Neoway N512 User guide

Hardware User Guide

Issue 1.1 Date 2022-09-26

N512 Hardware User Guide

Copyright

ii

No part of this document may be reproduced or transmitted in any form or by any means without prior written

consent of Neoway Technology Co., Ltd.

is the trademark of Neoway Technology Co., Ltd.

All other trademarks and trade names mentioned in this document are the property of their respective

holders.

Notice

This document provides guide for users to use N512.

This document is intended for system engineers (SEs), development engineers, and test engineers.

THIS GUIDE PROVIDES INSTRUCTIONS FOR CUSTOMERS TO DESIGN THEIR APPLICATIONS.

PLEASE FOLLOW THE RULES AND PARAMETERS IN THIS GUIDE TO DESIGN AND COMMISSION.

NEOWAY WILL NOT TAKE ANY RESPONSIBILITY OF BODILY HURT OR ASSET LOSS CAUSED BY

IMPROPER OPERATIONS.

THE INFORMATION IN THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE DUE TO

PRODUCT VERSION UPDATE OR OTHER REASONS.

EVERY EFFORT HAS BEEN MADE IN PREPARATION OF THIS DOCUMENT TO ENSURE ACCURACY

OF THE CONTENTS, BUT ALL STATEMENTS, INFORMATION, AND RECOMMENDATIONS IN THIS

DOCUMENT DO NOT CONSTITUTE A WARRANTY OF ANY KIND, EXPRESS OR IMPLIED.

Neoway provides customers complete technical support. If you have any question, please contact your

account manager or email to the following email addresses:

[email protected]

Website: http://www.neoway.com

 
N512 Hardware User Guide 
Contents 
 
Copyright © Neoway Technology Co., Ltd. All rights reserved. 
iii 
 
Contents 
Safety Recommendations ...................................................................... 10 
About N512 ............................................................................................ 11 
1 Product Overview ........................................................................................................................ 11 
2 Block Diagram ............................................................................................................................. 11 
3 Basic Features ........................................................................................................................... 12 
Reference Standards ............................................................................. 15 
Module Pins ........................................................................................... 16 
1 Pinout ......................................................................................................................................... 16 
2 Pin Description ........................................................................................................................... 17 
Application Interfaces ............................................................................. 25 
1 Power Interface .......................................................................................................................... 25 
2 Control Interfaces ....................................................................................................................... 28 
2.1 Startup Control Interface ................................................................................................... 28 
2.2 Reset Control Interfaces .................................................................................................... 32 
2.3 Forcible Download Control Interface ................................................................................. 34 
3 Peripheral Interfaces .................................................................................................................. 35 
3.1 USB ................................................................................................................................... 35 
3.2 USIM .................................................................................................................................. 37 
3.3 UART ................................................................................................................................. 39 
3.4 I2S ..................................................................................................................................... 43 
3.5 I2C ..................................................................................................................................... 44 
3.6 SPI ..................................................................................................................................... 45 
3.7 PCIe ................................................................................................................................... 46 
4 Other Interfaces ......................................................................................................................... 49 
4.1 LED_WWAN ...................................................................................................................... 49 
4.2 LED_SYSTEM ................................................................................................................... 49 
4.3 ADC ................................................................................................................................... 50 
4.4 RING .................................................................................................................................. 51 
4.5 DTR ................................................................................................................................... 52 
4.6 WAKEUP ........................................................................................................................... 55 
4.7 RF_DISABLE ..................................................................................................................... 55 
4.8 B Code Time ...................................................................................................................... 56 
4.9 PWM .................................................................................................................................. 56 
4.10 RFFE and ANTCTL ......................................................................................................... 57 
5 Multi-Function Interfaces ............................................................................................................ 57 
6 Antenna Interfaces ..................................................................................................................... 58 
6.1 Antenna Interface .............................................................................................................. 58 
6.2 Antenna RF Connector ...................................................................................................... 60 
Electrical Characteristics and Reliability ................................................. 63 

N512 Hardware User Guide

Contents

iv

6.1 Electrical Characteristics ............................................................................................................ 63

6.2 Temperature Characteristics ...................................................................................................... 64

6.3 ESD Protection ........................................................................................................................... 65

7 RF Characteristics .................................................................................. 66

7.1 Operating Band .......................................................................................................................... 66

7.2 CA Band Combinations .............................................................................................................. 67

7.3 EN-DC Band Combinations ....................................................................................................... 67

7.4 TX Power and RX Sensitivity ..................................................................................................... 67

8 Mechanical Characteristics ..................................................................... 69

8.1 Dimensions................................................................................................................................. 69

8.2 Label ........................................................................................................................................... 70

8.3 Packing ....................................................................................................................................... 70

8.4 Moisture...................................................................................................................................... 71

9 Mounting ................................................................................................ 73

9.1 PCB Package ............................................................................................................................. 73

9.2 Application Foot Print ................................................................................................................. 74

9.3 Stencil ......................................................................................................................................... 74

9.4 Solder Paste ............................................................................................................................... 75

9.5 SMT Oven Temperature Profile .................................................................................................. 75

Abbreviations ......................................................................................... 77

N512 Hardware User Guide

Table of Figures

v

Table of Figures

Figure 2-1 N512 block diagram ........................................................................................................ 12

Figure 4-1 N512 pinout .................................................................................................................... 16

Figure 5-1 Recommended design of the power supply circuit 1 ...................................................... 26

Figure 5-2 Recommended design of the power supply circuit 2 ...................................................... 27

Figure 5-3 Recommended design of the power supply circuit 3 ...................................................... 27

Figure 5-4 Reference design of startup controlled by buttons ......................................................... 29

Figure 5-5 Reference design of startup controlled by MCU ............................................................. 30

Figure 5-6 Reference design of automatic startup ........................................................................... 30

Figure 5-7 Startup process ............................................................................................................... 31

Figure 5-8 Hard shutdown process .................................................................................................. 32

Figure 5-9 Resetting the module by using a button ......................................................................... 33

Figure 5-10 Reference design for reset controlled by an MCU ....................................................... 33

Figure 5-11 Reset process of the N512 module .............................................................................. 34

Figure 5-12 Reference forcible download control circuit .................................................................. 35

Figure 5-13 Recommended design of the USB 2.0 interface .......................................................... 36

Figure 5-14 Recommended design of the USB 3.0 interface .......................................................... 37

Figure 5-15 Reference design of the USIM card interface .............................................................. 38

Figure 5-16 Reference design of the UART1 interface .................................................................... 40

Figure 5-17 Reference design of the UART1 or UART2 interface ................................................... 40

Figure 5-18 Recommended level shifting circuit 1 ........................................................................... 41

Figure 5-19 Recommended level shifting circuit 2 ........................................................................... 42

Figure 5-20 Recommended level shifting circuit 3 ........................................................................... 42

Figure 5-21 Reference design of the I2S interface .......................................................................... 44

Figure 5-22 Reference design of the I2C interface .......................................................................... 45

Figure 5-23 Reference design of the SPI interface .......................................................................... 46

Figure 5-24 Reference design PCIe RC mode connection .............................................................. 47

Figure 5-25 Reference design of PCIe EP mode connection .......................................................... 48

N512 Hardware User Guide

Table of Figures

vi

Figure 5-26 Reference design of LED_WWAN control .................................................................... 49

Figure 5-27 LED_SYSTEM reference design circuit........................................................................ 50

Figure 5-28 ADC reference design circuit ........................................................................................ 50

Figure 5-29 RING indicator for an incoming call .............................................................................. 51

Figure 5-30 RING indicator for SMS ................................................................................................ 52

Figure 5-31 Process of entering the sleep mode ............................................................................. 52

Figure 5-32 Process of incoming call service processing in sleep mode ........................................ 53

Figure 5-33 Process of outgoing call service processing in sleep mode ......................................... 54

Figure 5-34 Process of exiting from the sleep mode ....................................................................... 54

Figure 5-35 WAKEUP indication control .......................................................................................... 55

Figure 5-36 Reference design of the RF_DISABLE connection ...................................................... 56

Figure 5-37 L-type network .............................................................................................................. 59

Figure 5-38 T-type network .............................................................................................................. 59

Figure 5-39 π-type network .............................................................................................................. 59

Figure 5-40 Recommended RF PCB design ................................................................................... 60

Figure 5-41 RF connector dimensions ............................................................................................. 61

Figure 5-42 RF cable connections ................................................................................................... 61

Figure 5-43 Antenna layout .............................................................................................................. 61

Figure 5-44 Layout around the antenna ........................................................................................... 62

Figure 8-1 Front, rear, and side views of N512 (unit: mm) .............................................................. 69

Figure 8-2 N512 label ....................................................................................................................... 70

Figure 8-3 Packing process ............................................................................................................. 71

Figure 9-1 Bottom view of N512 PCB package (unit: mm) .............................................................. 73

Figure 9-2 N512 recommended PCB package (unit: mm) ............................................................... 74

Figure 9-3 Oven temperature profile ................................................................................................ 75

N512 Hardware User Guide

Table of Tables

vii

Table of Tables

Table 2-1 Variants and frequency bands ........................................................................................... 11

Table 2-2 N512 baseband and wireless features ............................................................................. 12

Table 4-1 IO definition and DC characteristics ................................................................................. 17

Table 4-2 Pin description .................................................................................................................. 18

Table 5-1 Pin definition description .................................................................................................. 57

Table 6-1 N512 operating conditions ............................................................................................... 63

Table 6-2 N512 Current consumption (Typical) ................................................................................ 63

Table 6-3 N512 temperature features .............................................................................................. 64

Table 6-4 N512 ESD protection features ......................................................................................... 65

Table 7-1 N512 operating bands ...................................................................................................... 66

Table 7-2 N512 TX power and RX sensitivity ................................................................................... 67

Table 8-1 N512 specifications and dimensions ................................................................................ 69

N512 Hardware User Guide

About This Document

viii

About This Document

Scope

This document is applicable to N512 series.

It defines the features, indicators, and test standards of the N512 module and provides reference for

the hardware design of each interface.

Audience

This document is intended for system engineers (SEs), development engineers, and test engineers.

Change History

Issue

Date

Change

Changed By

1.0

2022-03

Initial draft

Wu Xinxing

1.1

2022-06

⚫ Added notes for Power Interface and Startup

Control Interface and USIM.

⚫ Updated description of the I2S multiplexing

function in section 5.5 .

⚫ Modified the pin no. in section 5.4.10 .

Wu Xinxing

Conventions

Symbol

Indication

Indicates danger or warning. This information must be followed. Otherwise, a

catastrophic module or user device failure or bodily injury may occur.

Indicates caution. This symbol alerts the user to important points about using the

module. If these points are not followed, the module or user device may fail.

N512 Hardware User Guide

About This Document

ix

Indicates instructions or tips. This symbol provides advices or suggestions that

may be useful when using the module.

Related Documents

Neoway_N512_Datasheet

Neoway_N512_Product_Specifications

Neoway_N512_AT_Commands_Mannual

Neoway_N512_EVK_User_Guide

N512 Hardware User Guide

Chapter 1 Safety Recommendations

10

1 Safety Recommendations

Ensure that this product is used in compliance with the requirements of the country and the

environment. Please read the following safety recommendations to avoid body hurts or damages of

product or workplace:

⚫ Do not use this product at any places with a risk of fire or explosion such as gasoline stations, oil

refineries, and so on.

If the product is used in a place with flammable gas or dust such as propane gas, gasoline, or

flammable spray, the product will cause an explosion or fire.

⚫ Do not use this product in environments such as hospitals or airplanes where it might interfere

with other electronic equipment.

If the product is used in medical institutions or on airplanes, electromagnetic waves emitted by

this product may interfere with surrounding equipment.

Please follow the requirements below in the design and use of the application for this module:

⚫ Do not disassemble the module without permission from Neoway. Otherwise, we are entitled to

refuse to provide further warranty.

⚫ Please use the product according to this document. Please connect the product to a stable

power supply and layout traces following fire safety standards.

⚫ Please avoid touching the pins of the module directly in case of damages caused by ESD.

⚫ Do not insert/remove a USIM card while the module is still switched on.

N512 Hardware User Guide

Chapter 2 About N512

11

2 About N512

N512 is an industrial-grade dual antenna 5G NR Sub-6 GHz module using the LGA package.

Supporting both NSA and SA modes where FDD and TDD are used in SA mode, it is also backward

compatible with FDD/TDD-LTE and WCDMA network modes. Apart from a rich set of network modes,

the module supports interfaces including PCIe Gen2 and USB3.0, which meet the requirements of

ultra-high-speed transmission applications. It also supports USB drivers for Windows 7/8/8.1/10, Linux,

and Android OS.

2.1 Product Overview

The operating bands of N512 can meet application requirements in most regions around the world.

This module is suitable for consumer electronics, smart energy, industrial control, smart transportation

industries. The figure below lists the supported versions and bands.

Table 2-1 Variants and frequency bands

Variant

Network mode

Band

MIMO

CN

NR

NR-FDD: n1, n3, n8, n28

DL MIMO2X2, UL 1X1

NR-TDD: n41, n77, n78, n79

DL MIMO2X2, UL 1X1

LTE

LTE-FDD: B1, B3, B5, B8

LTE-TDD: B34, B38, B39, B40, B41

DL MIMO2X2, UL 1X1

WCDMA

B1, B8

DL MIMO2X2, UL 1X1

2.2 Block Diagram

N512 consists of the following functionality units:

⚫ Baseband

⚫ NAND Flash

⚫ 26 MHz crystal oscillator and 32.768 kHz crystal

⚫ Power management unit

⚫ RF section (Transceiver, RF front-end)

⚫ Digital interfaces (USIM, I2S, I2C, ADC, UART, USB2.0, USB3.0, and PCIe)

N512 Hardware User Guide

Chapter 2 About N512

12

Figure 2-1 N512 block diagram

VBAT

NR

RF transceiver

26 MHz

oscillator

RF front-end

ANT2

NAND flash

Baseband

MEMORY SUPPORT

RFFE I/F S

Connectivity

ADI

VDDs

TRX

SPI

Input PM

Output PM

VBAT

UART

USB2.0

Power

manager

VDD

VDDs

ANT1

DC/DC

32.768 kHz

crystal

Interfaces

I2C

USIM

USB3.0

PCIe

CLK

VBAT

DC/DC

MIPI

GRFC

W_DISBLE

LED

RESET

PWR

ON/OFF

LVDS

LTE

RF transceiver

TRX

SPI

LVDS

ADC

B Code

Time

I2S

BOOT

...

2.3 Basic Features

Table 2-2 N512 baseband and wireless features

Parameter

Description

Operating voltage

VBAT: 3.3 V - 4.3 V, typical value: 3.8 V

Operating current

Sleep mode1: 10 mA

Sleep mode

1

: the module enters a low power consumption state. In this state, the peripheral interface of the module is

disabled, but the radio frequency (RF) is functioning properly. The module will exit the sleep mode when there is an

incoming call or SMS message, and will re-enter the sleep mode at the end of the incoming call or conversation.

N512 Hardware User Guide

Chapter 2 About N512

13

Standby mode2: 80 mA

Average current at maximum throughput: TBD A@Max Tx Power, NSA

mode

Application

processor

Dual-core ARM Cortex-A55 processor, main frequency, 1.35 GHz at most.

Operating System

Linux

Memory

4 Gb LPDDR4X

2 Gb NAND Flash

Wireless rate

WCDMA:

Support 3GPP Release 9

Support DL diversity and type3i receive

WCDMA DL throughput: DC-HSPA+, Cat.24 Max 42 Mbps

WCDMA UL throughput: HSUPA, Cat.7 Max 11 Mbps

LTE:

Support 3GPP Release 14

Support DL MIMO2X2

LTE-TDD/FDD DL throughput: Cat.12, Max TBD Mbps

LTE-TDD/FDD UL throughput: Cat.13, Max TBD Mbps

NR:

Support 3GPP Release 15

Support NSA (EN-DC) and SA

Support SCS: 15 kHz, 30 kHz

Support CBW: 5 MHz, 10 MHz, 15 MHz, 20 MHz, 25 MHz, 30 MHz, 40 MHz,

50 MHz, 60 MHz, 80 MHz, 90 MHz, 100 MHz

SUB-6G SA mode

NR DL throughput Max: 1.0 Gbps (@100 MHz, 2RX, 256QAM)

NR UL throughput Max: 350 Mbps (@100 MHz, 1TX, 256QAM)

SUB-6G NSA mode

DL throughput Max: 1.0 Gbps (@100 MHz, 2RX, 256QAM)

UL throughput Max: 350 Mbps (@100 MHz, 1TX, 256QAM)

Transmit power

WCDMA: +24 dBm (Power Class 3)

LTE: +23 dBm (Power Class 3)

NR: +23 dBm (Power Class 3)

Application

interfaces

ANT1 - ANT2 3G/4G/5G antenna interfaces

50 Ω characteristic impedance

Three UART interfaces

Two USIM interfaces, 1.8 V/3.0 V adaptive.

One USB 2.0 interface

2

In standby mode, the module is in normal working state but there is no on-going data service.

N512 Hardware User Guide

Chapter 2 About N512

14

One USB 3.0 interface

One I2S interface

Two I2C interfaces

Two SPI interfaces

Two PWM interfaces

Two ADC interfaces

One B code timing interface

One PCIe interface

One RF MIPI interface

Two general RF control interfaces

Four GPIO interfaces

AT commands

3GPP Release 15

Neoway extended commands

Data

RNDIS, NCM, ECM

Protocol

TCP, UDP, MQTT, FTP/FTPS, HTTP/HTTPS, SSL, TLS

Certification

approval

CCC*, SRRC*, CTA*

Dimensions

30 mm x 38mm x 2.9mm (W x L x H)

Temperature ranges

Operating: -30°C to +70°C

Extended3: -40°C to +85°C

Storage temperature: -40°C to +90°C

* indicates in development.

3

The module can register with the network, but some indicators do not meet 3GPP standards.

N512 Hardware User Guide

Chapter 3 Reference Standards

15

3 Reference Standards

⚫ 3GPP TS 27.007 V15.7.0 AT command set for User Equipment (UE)

⚫ 3GPP TS 34.121-1 V10.8.0 User Equipment (UE) conformance specification

⚫ 3GPP TS 34.122 V10.1.0 Technical Specification Group Radio Access Network

⚫ 3GPP TS 36.521-1 V14.0.0 User Equipment (UE) conformance specification; Radio transmission

and reception

⚫ 3GPP TS 38.521-1 V15.2.0 User Equipment (UE) conformance specification; Radio transmission

and reception; Part 1: Range 1 Standalone

⚫ 3GPP TS 38.521-3 V15.2.0 User Equipment(UE) conformance specification; Radio transmission

and reception; Part 3: Range 1 and Range 2 Interworking operation with other radios

⚫ 3GPP TS 38.101-

1, NR; User Equipment (UE) radio transmission and reception; Part 1: Range 1 Standalone

⚫ 3GPP TS 38.101-

2, NR; User Equipment (UE) radio transmission and reception; Part 2: Range 2 Standalone

⚫ 3GPP TS 38.101-

3, NR; User Equipment (UE) radio transmission and reception; Part 3: Range 1 and Range 2 Int

erworking operation with other radios

⚫ 3GPP TS 38.101-

3, NR; User Equipment (UE) radio transmission and reception; Part 3: Range 1 and Range 2 Int

erworking operation with other radios

⚫ 3GPP TS 38.101-

4, NR; User Equipment (UE) radio transmission and reception; Part 4: Performance requirement

s

⚫ PCI Express Base Specification, Revision 2.0

⚫ Universal Serial Bus 2.0 Specification, Revision 2.0 (April 27, 2000 or later)

⚫ Universal Serial Bus 3.0 Specification, Revision 0.9 (July 30, 2008)

⚫ ISO/IEC 7816-3

⚫ MIPI Alliance Specification for RF Front-End Control Interface (RFFE), v1.10

⚫ Phillips I2S Bus Specifications revised June 5, 1996

⚫ I2C-bus specification and user manual

N512 Hardware User Guide

Chapter 4 Module Pins

16

4 Module Pins

4.1 Pinout

The N512 module has a total of 232 pins and supports the functional interfaces including power supply,

USIM, I2S, I2C, ADC, SPI, UART, USB2.0, USB3.0, and PCIe.

Figure 4-1 N512 pinout

N512 Hardware User Guide

Chapter 4 Module Pins

17

4.2 Pin Description

Leave the pin floating if it is not used.

Table 4-1 lists the definition of IO types.

Table 4-1 IO definition and DC characteristics

IO Type

DIO

Digital input/output

DO

Digital output

DI

Digital input

OD

Open drain output

PI

Power input

PO

Power output

AI

Analog input

AIO

Analog input/output

Level Feature

P1

USIM1 interface voltage,

adaptive to 1.8 V and 3.0 V.

1.8 V USIM card:

VOH= 1.62 V - 1.8 V

VOL= 0 V - 0.18 V

3.0 V USIM card:

VOH= 2.97 V - 3.3 V

VOL= 0 V - 0.3 V

P2

USIM2 interface voltage,

adaptive to 1.8 V and 3.0 V.

1.8 V USIM card:

VOH= 1.62 V - 1.8 V

VOL= 0 V - 0.18 V

3.0 V USIM card:

VOH= 2.97 V - 3.3 V

VOL= 0 V - 0.3 V

P3

1.8 V IO voltage

VIH min=1.26 V, VIL max= 0.54 V

VOH min=1.62 V, VOL max=0.18 V

N512 Hardware User Guide

Chapter 4 Module Pins

18

Table 4-2 Pin description

Signal

I/O

Function description

Level feature

Remarks

USB2.0 Interfaces

1

USB_DP

AIO

USB data positive signal

Compliant with the USB 2.0 specification.

2

USB_DM

AIO

USB data negative signal

3

USB_VBUS

PI

Voltage detection pin

Vmin = 3.3 V

Vmax = 5.2 V

-

4

GND

Ensure that all GND pins are grounded.

UART Interfaces

5

UART1_CTS

DI

The user allows the module to

send data.

P3

Used for high-speed serial port and support

flow control.

6

UART1_RTS

DO

The module requests the user to

send data.

P3

7

UART1_RXD

DI

I2S data receiving

P3

8

UART1_TXD

DO

I2S data sending

P3

9

GND

Ensure that all GND pins are grounded.

10

UART2_RXD

DI

I2S data receiving

P3

-

11

UART2_TXD

DO

I2S data sending

P3

-

12

UART3_RXD

DI

I2S data receiving

P3

-

13

UART3_TXD

DO

I2S data sending

P3

-

14

GND

Ensure that all GND pins are grounded.

N512 Hardware User Guide

Chapter 4 Module Pins

19

Status Control and Indication Interfaces

15

LED_WWAN

DO

Network indicator control

P3

-

16

RF_DISABLE

DI

Flight mode control

P3

An external place reserved for a pull-up

resistor is required.

17

DTR

DI

Sleep mode control

P3

-

18

WAKEUP

DO

Wake up indication control

P3

-

19

RING

DO

Indicator control of incoming calls

or SMSs

P3

-

Main Power Supply

20 - 22

GND

Ensure that all GND pins are grounded.

23 - 28

VBAT

PI

Main power supply of the module

Vmin = 3.3 V

Vmax = 4.3 V

The minimum input current shall be greater

than 4 A.

29 - 31

GND

Ensure that all GND pins are grounded.

Control Interfaces

32

PWRKEY1

DI

ON/OFF button 1

VBAT

Low-pulse startup

33

PWRKEY2

DI

ON/OFF button 2

VBAT

Low-level startup

34

RESET

DI

Reset control

VBAT

Triggered by low pulse

35

USB_BOOT

DI

Forcible download control pin

P3

Triggered by a low level

Power Output Interface

36

VDD_1P8

PO

1.8 V power output

Vnorm = 1.8 V

Imax = 50 mA

-

System Indication Interfaces

37

LED_SYSTEM

OD

System status indication

Vmin = 3.45 V

-

N512 Hardware User Guide

Chapter 4 Module Pins

20

Vmax = 4.3 V

38

GND

Ensure that all GND pins are grounded.

USIM1 Interfaces

39

USIM1_VCC

PO

USIM1 power output

P1

-

40

USIM1_RST

DO

USIM1 reset signal

P1

-

41

USIM1_CLK

DO

I2C clock

P1

-

42

USIM1_DATA

DIO

I2C data

P1

An external place reserved for a pull-up

resistor is not required.

43

USIM1_DET

DI

USIM1 detection signal

P1

44

GND

Ensure that all GND pins are grounded.

SPI1 Interfaces

45

SPI1_CSN

DO

SPI1 chip select signal of the slave

device

P3

-

46

SPI1_CLK

DO

I2C clock

P3

-

47

SPI1_DI

DI

SPI1 input of the master device

P3

-

48

SPI1_DO

DO

SPI1 output of the master device

P3

-

49

GND

Ensure that all GND pins are grounded.

ADC Interfaces

50

ADC1

AI

Universal analog-to-digital signal 1

For the voltage acquisition range, see 5.4.3 .

51

ADC2

AI

Universal analog-to-digital signal 2

52

GND

Ensure that all GND pins are grounded.

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Neoway N512 User guide

Neoway N512 User guide

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