Microchip Technology MCP2120 User manual

 2001 Microchip Technology Inc. DS51246A

Information contained in this publication regarding device applications and the like is intended by way of suggestion

only. No representation or warranty is given and no liability is assumed by Microchip Technology Incorporated with

respect to the accuracy or use of such information. Use of Microchip’s products as critical components in life support

systems is not authorized except with express written approval by Microchip.

The Microchip logo, name, PIC, PICmicro, PICSTART, PRO MATE, K

EE

L

OQ

, MPLAB, and MXDEV are registered

trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. microID, and Smart Serial are

trademarks of Microchip Technology in the U.S.A. and other countries.

All product/company trademarks mentioned herein are the property of their respective companies.

MCP2120/MCP2150

DEVELOPER’S KIT USER’S GUIDE

MCP2120/2150 User’s Guide

DS51246A  2001 Microchip Technology Inc.

NOTES:

12

MCP2120/MCP2150

USER’S GUIDE

Table of Contents

 2001 Microchip Technology Inc. DS51246A-page iii

Chapter 1. Introduction

1.1 Welcome ......................................................................................... 1

1.2 MCP2120/MCP2150 Developer’s Kit User’s Guide ........................ 2

1.3 Sample Devices .............................................................................. 3

1.4 Reference Documents .................................................................... 3

1.5 Other Related Documents .............................................................. 3

Chapter 2. Getting Started

2.1 Introduction ..................................................................................... 5

2.2 Highlights ........................................................................................ 5

2.3 Developer Board Features .............................................................. 6

2.4 System Configurations .................................................................. 17

2.5 PC Requirements ......................................................................... 20

Chapter 3. MCP2120 Tutorial

3.1 Introduction ................................................................................... 21

3.2 Highlights ...................................................................................... 21

3.3 MCP2120 Tutorial Setup .............................................................. 21

3.4 Hardware Setup ............................................................................ 22

3.5 Setting Up the Terminal Program ................................................. 25

3.6 Transmitting/Receiving Data ......................................................... 35

Chapter 4. MCP2150 Tutorial

4.1 Introduction ................................................................................... 39

4.2 Highlights ...................................................................................... 39

4.3 MCP2150 Tutorial ......................................................................... 39

Chapter 5. Using a PICDEM™ 1 or PICDEM™ 2 Board as Host

5.1 Using the PICDEM 1 Board .......................................................... 41

5.2 Using the PICDEM 2 Board .......................................................... 43

MCP2120/MCP2150 USER’S GUIDE

DS51246A-page iv  2001 Microchip Technology Inc.

Appendix A. Hardware Detail

A.1 Power Supply ................................................................................45

A.2 Power Indicator .............................................................................45

A.3 RS-232 Serial Port ........................................................................45

A.4 Jumpers ........................................................................................46

A.5 Oscillator Options ..........................................................................48

A.6 Board Layout .................................................................................49

A.7 Schematics ....................................................................................50

Revision History ........................................................................................ 53

Index .......................................................................................................... 55

Worldwide Sales and Service ...................................................................... 0

 2001 Microchip Technology Inc. DS51246A-page 1

MCP2120/MCP2150

USER’S GUIDE

12

Chapter 1. Introduction

1.1 Welcome

Thank you for purchasing the MCP2120/MCP2150 Developer’s Kit from

Microchip Technology Inc. The MCP2120/MCP2150 Developer’s Kit

demonstrates the capabilities of the MCP2120 and MCP2150 infrared

communication products.

The MCP2120 Developer’s Board and the MCP2150 Developer’s Board can

be connected to either a PC via the DB9 connector, or to another system

(such as a PICDEM 2 board) via the four pin header.

The MCP2120/MCP2150 Developer’s Kit comes with the following:

1. Two MCP2120 Developer Boards.

2. One MCP2150 Developer Board.

3. Two serial cables.

4. One 9V power supply, with power cord.

5. One pair 18” (45 cm) power jumper cables.

6. Sample kit (one MCP2120 device and one MCP2150 device)–Not

shown.

7. MCP2120/MCP2150 Developer’s Kit User’s Guide (This document)–Not

shown.

If you are missing any part of the kit, please contact your nearest Microchip

sales office listed in the back of this publication for help.

Figure 1.1: MCP2120/MCP2150 Developer’s Kit

4

1

2

3

1

3

2

4

5

MCP2120/MCP2150 USER’S GUIDE

DS51246A-page 2  2001 Microchip Technology Inc.

1.2 MCP2120/MCP2150 Developer’s Kit User’s Guide

This document describes the MCP2120/MCP2150 Developer’s Kit and

tutorials, giving the user a brief overview of Microchip’s MCP2120 and

MCP2150 family of infrared communication products. Detailed information on

the individual device may be found in the device’s respective data sheet.

Detailed information on the PICDEM 2 development board may be found in

the PICDEM 2 User’s Guide (DS30374).

Chapter 1: Introduction – This chapter introduces the MCP2120/MCP2150

Developer’s Kit, lists the components in the kit, and lists related

documentation.

Chapter 2: Getting Started – This chapter gives an overview of the MCP2120

and MCP2150 Developer’s Boards, the hardware features of each

Developer’s Board, the system configurations that can be used to

demonstrate the MCP2120 and MCP2150 devices, and the PC requirements.

Chapter 3: MCP2120 Tutorial – This chapter provides a detailed description

of the steps to get the MCP2120 Developer’s board operating. These steps

include the configuration of the Developer’s boards and the Terminal

Emulation program (Hyperterminal) used on the PC.

Chapter 4: MCP2150 Tutorial – This chapter provides a detailed description

of the steps to get the MCP2150 Developer’s board operating. These steps

include the configuration of the Developer’s boards, the Terminal Emulation

program (Hyperterminal) used on the PC, and the installation and

configuration of the PC IrDA standard drivers.

Chapter 5: Using PICDEM 1 or PICDEM 2 Board as Host. This chapter

discusses the use of the PICDEM boards as a demonstration platform as a

Host Controller for an MCP2120 Developer’s Board or an MCP2150

Developer’s Board. This chapter makes reference to Application Notes which

contain demonstration code.

Appendix A: Hardware Description: This appendix describes in detail the

hardware of the MCP2120 Developer’s board and MCP2150 Developer’s

board. This includes the component layout of each board (silkscreen) and the

schematic of each board.

Revision History: This covers the major changes to the document between

the revisions.

Index: This lists the pages where major topics are located.

 2001 Microchip Technology Inc. DS51246A-page 3

Introduction

1.3 Sample Devices

Each kit comes with one MCP2120 device and one MCP2150 device. This

allows a prototype system to be developed that can be used with an

MCP2120 Developer’s Board or an MCP2150 Developer’s Board.

1.4 Reference Documents

Reference documents may be obtained by contacting your nearest Microchip

sales office (listed in the back of this document) or by downloading via the

Microchip website (www.microchip.com).

• MCP2120 Data Sheet, DS21618

• MCP2150 Data Sheet, DS21655

• AN756, “Using the MCP2120 for Infrared Communication”, DS00756

• AN758,

“Using the MCP2150 to Add IrDA

®

Standard Wireless Connec-

tivity”, DS00758

• TB046, “Connecting the MCP2150 to the Psion Operating System”,

DS91046

• TB047,

“Connecting the MCP2150 to the Windows

®

CE Operating Sys-

tem”

, DS91047

• TB048, “Connecting the MCP2150 to the Windows

®

Operating Sys-

tem”, DS91048

• TB049, “Connecting the MCP2150 to the Palm™ Operating System”,

DS91049

1.5 Other Related Documents

• MPASM User’s Guide with MPLINK™ Linker and MPLIB™ Library,

DS33014

•PRO MATE

®

II User’s Guide, DS30082

•PICSTART

®

Plus User’s Guide, DS51028

• MPLAB

®

ICE User’s Guide, DS51159

• MPLAB

®

ICD User’s Guide, DS51184

• Microchip’s Third Party Guide, DS00104

IrDA is a registered trademark of the Infrared Data Association.

MCP2120/MCP2150 USER’S GUIDE

DS51246A-page 4  2001 Microchip Technology Inc.

NOTES:

 2001 Microchip Technology Inc. DS51246A-page 5

MCP2120/MCP2150

USER’S GUIDE

12

Chapter 2. Getting Started

2.1 Introduction

This chapter covers an overview of the MCP2120 and MCP2150 Developer’s

Boards features, the system configurations that they can be used in, and the

system requirements for the tutorials.

2.2 Highlights

Topics covered in this chapter

• MCP2120 Developer’s Board

• MCP2150 Developer’s Board

• System Configurations

• PC Requirements

MCP2120/MCP2150 USER’S GUIDE

DS51246A-page 6  2001 Microchip Technology Inc.

2.3 Developer Board Features

2.3.1. MCP2120 Developer’s Board

The MCP2120 Developer’s Board, as shown in Figure 2.1, has the following

hardware features:

1. On-board +5V regulator for direct input from 9V, 750 mA AC/DC wall

adapter or 9V battery.

2. Hooks for a +5V, 750 mA regulated DC supply.

3. DB-9 connector and associated hardware for direct connection to

MCP2120 UART (DB-9 interface requires RS-232 signal levels).

4. Four-pin header connection to UART interface (Header requires TTL

level signals).

5. Two jumpers to select source of UART signals. Either DB-9 connector or

the four-pin header.

6. Three jumpers to select desired baud rate.

7. Green power-on indicator LED.

8. Two IR Transceiver options (two jumpers select transceiver).

9. Jumper to disable MCP2120 device operation.

10. Hardware and Software Baud selection.

11. Jumper for Software Baud control when using RS-232C interface.

12. Socketed crystal.

Note: A schematic of the MCP2120 Developer’s Board is shown in

Figure A.5

 2001 Microchip Technology Inc. DS51246A-page 7

Getting Started

Figure 2.1: MCP2120 Developer’s Board Hardware

1

3

45 6

7

8

9

10

11

2

U5

J5

D4

C15

C12

C13

C14

C9

C5

C1

J2

MCP2120 Developer’s Board

02-01608 Rev. 1

U1

DB9

J1

J4

R14

CR1

C4

C7

C8

R1

Q1

JP5

U3

R2 C2

C3

Header

RX

TX

MODE

RTS

J3

+5V

GND

R13

C16

JP3:JP1

000=F

OSC

/768

001=F

OSC

/384

010=F

OSC

/192

011=F

OSC

/128

100=F

OSC

/64

111=S/W Baud

Open=0

Integrated

Transceiver

U6

R8 R7 R6

R4

JP4

(MCP2120)

Open=Enabled

R9 D3

Y1

D6 D2

U2

C6

R3

C10

U4

R5

R11R10

C17

Component

Transceiver

J7

J6

R12

D1

D5

C18

R15

C11

12

MCP2120/MCP2150 USER’S GUIDE

DS51246A-page 8  2001 Microchip Technology Inc.

2.3.1.1 Selecting UART Source and Optical Transceiver

Interface

Figure 2.2 shows two pairs of jumpers used to route signals to and from the

MCP2120.

Jumpers J1 and J4 are used to determine the source of the signals used by

the UART interface. When the header has the pins closest to the “DB9” label

jumpered to the center pin, the DB9 is the source of the UART signal. When

the header has the pins closest to the “Header” label jumpered to the center

pin, the four-pin header is the source of the UART signal.

Jumpers J6 and J7 are used to determine the source and destination of the

infrared data signals used by the interface between the MCP2120 and Optical

Transceiver. When the header has the pins closest to the “Integrated

Transceiver” label jumpered to the center pin, the integrated transceiver is

used. When the header has the pins closest to the “Component Transceiver”

label jumpered to the center pin, the component transceiver logic is used.

Figure 2.2: MCP2120 Selecting Sources

U5

J5

D4

C15

C12

C13

C14

C9

C5

C1

J2

MCP2120 Developer’s Board

02-01608 Rev. 1

U1

DB9

J1

J4

R14

CR1

C4

C7

C8

R1

Q1

JP5

U3

R2 C2

C3

Header

RX

TX

MODE

RTS

J3

+5V

GND

R13

C16

JP3:JP1

000=F

OSC/768

001=F

OSC/384

010=F

OSC/192

011=F

OSC/128

100=F

OSC

/64

111=S/W Baud

Open=0

Integrated

Transceiver

U6

R8 R7 R6

R4

JP4

(MCP2120)

Open=Enabled

R9 D3

Y1

D6 D2

U2

C6

R3

C10

U4

R5

R11R10

C17

Component

Transceiver

J7

J6

R12

D1

D5

C18

R15

C11

These two jumpers select the

source of the Host signals.

Header is source.

DB9 is source.

J1 and J4

These two jumpers select the

optical transceiver logic. Both jumpers

Component Transceiver

Integrated Transceiver

J6 and J7

should connect the same pin positions

 2001 Microchip Technology Inc. DS51246A-page 9

Getting Started

2.3.1.2 Selecting Baud Rate

Figure 2.3 shows the three Baud Rate Select Jumpers (JP3:JP1) and the

baud rate formula that is specified (baud rate dependant on MCP2120

operational frequency). Table 2.1 shows the baud rates for some crystal

frequencies.

Figure 2.3: MCP2120 Baud Rate

Table: 2.1 Hardware Baud Rate Selection vs. Frequency

U5

J5

D4

C15

C12

C13

C14

C9

C5

C1

J2

MCP2120 Developer’s Board

02-01608 Rev. 1

U1

DB9

J1

J4

R14

CR1

C4

C7

C8

R1

Q1

JP5

U3

R2 C2

C3

Header

RX

TX

MODE

RTS

J3

+5V

GND

R13

C16

JP3:JP1

000=F

OSC/768

001=F

OSC/384

010=F

OSC/192

011=F

OSC/128

100=F

OSC/64

111=S/W Baud

Open=0

Integrated

Transceiver

U6

R8 R7 R6

R4

JP4

(MCP2120)

Open=Enabled

R9 D3

Y1

D6 D2

U2

C6

R3

C10

U4

R5

R11

R10

C17

Component

Transceiver

J7

J6

R12

D1

D5

C18

R15C11

These three jumpers select the baud rate:

JP3:JP2:JP1

F

OSC

/768

F

OSC

/384

F

OSC

/192

JP3:JP2:JP1

F

OSC

/128

F

OSC

/64

Software Baud Mode

F

OSC

Frequency (MHz)

BAUD2:BAUD0

0.6144

(1)

2.000 3.6864 4.9152 7.3728 14.7456

(2)

20.000

(2)

Bit Rate

000

800 2604 4800 6400 9600 19200 26042 F

OSC

/ 768

001 1600 5208 9600 12800 19200 38400 52083 F

OSC

/ 384

010

3200 10417 19200 25600 38400 78600 104167 F

OSC

/ 192

011

4800 15625 28800 38400 57600 115200 156250 F

OSC

/ 128

100

9600 31250 57600 78600 115200 230400 312500 F

OSC

/ 64

Note 1:

An external clock is recommended for frequencies below 2 MHz.

Note 2:

For frequencies above 7.5 MHz, the TXIR pulse width (MCP2120 Data Sheet, Electrical Specification, parameter

IR121) will be shorter than the minimum pulse width of 1.6 µs in the IrDA standard specification.

MCP2120/MCP2150 USER’S GUIDE

DS51246A-page 10  2001 Microchip Technology Inc.

2.3.1.3 UART Mode

Figure 2.4 shows the jumper which determines if the MCP2120 Developer’s

Board is to be used in Hardware Baud operation, or Software Baud operation.

When in Software Baud operation, an additional signal is required, Request

To Send (RTS), which is used to drive the RESET

pin low to cause a change

of baud rate to occur.

Figure 2.4: MCP2120 UART

U5

J5

D4

C15

C12

C13

C14

C9

C5

C1

J2

MCP2120 Developer’s Board

02-01608 Rev. 1

U1

DB9

J1

J4

R14

CR1

C4

C7

C8

R1

Q1

JP5

U3

R2

C2

C3

Header

RX

TX

MODE

RTS

J3

+5V

GND

R13

C16

JP3:JP1

000=F

OSC/768

001=F

OSC/384

010=F

OSC/192

011=F

OSC

/128

100=F

OSC

/64

111=S/W Baud

Open=0

Integrated

Transceiver

U6

R8 R7 R6

R4

JP4

(MCP2120)

Open=Enabled

R9 D3

Y1

D6 D2

U2

C6

R3

C10

U4

R5

R11

R10

C17

Component

Transceiver

J7

J6

R12

D1

D5

C18

R15C11

PC UART configuration for Hardware/Software Baud mode

Software Baud Selection

Hardware Baud Selection

 2001 Microchip Technology Inc. DS51246A-page 11

Getting Started

2.3.1.4 Disabling the MCP2120

Figure 2.5 shows the jumper, JP4, which will enable or disable the MCP2120

device. When the MCP2120 is disabled, the device will consume less current.

Figure 2.5: MCP2120 Enable/Disable

In most cases, this jumper will be open. It may be closed to test system

operation when the MCP2120 is disabled. The Host Controller board may

control the operation of the MCP2120 by connecting a signal to the JP4

header as shown in Figure 2.6.

Figure 2.6: Host Controller Disabling the MCP2120

U5

J5

D4

C15

C12

C13

C14

C9

C5

C1

J2

MCP2120 Developer’s Board

02-01608 Rev. 1

U1

DB9

J1

J4

R14

CR1

C4

C7

C8

R1

Q1

JP5

U3

R2

C2

C3

Header

RX

TX

MODE

RTS

J3

+5V

GND

R13

C16

JP3:JP1

000=F

OSC/768

001=F

OSC/384

010=F

OSC/192

011=F

OSC

/128

100=F

OSC

/64

111=S/W Baud

Open=0

Integrated

Transceiver

U6

R8 R7 R6

R4

JP4

(MCP2120)

Open=Enabled

R9 D3

Y1

D6 D2

U2

C6

R3

C10

U4

R5

R11

R10

C17

Component

Transceiver

J7

J6

R12

D1

D5

C18

R15C11

MCP2120 Enable/Disable

Disabled

Enabled

JP4

MCP2120

EN

I/O Pin

MCP2120 Developer’s Board

Host Controller

(High or Hi Impedance = Enabled

Low = Disabled)

MCP2120/MCP2150 USER’S GUIDE

DS51246A-page 12  2001 Microchip Technology Inc.

2.3.2. MCP2150 Developer’s Board

The MCP2150 Developer’s Board, as shown in Figure 2.7, has the following

hardware features:

1. On-board +5V regulator for direct input from 9V, 750 mA AC/DC wall

adapter or 9V battery.

2. Hooks for a +5V, 750 mA regulated DC supply.

3. DB-9 connector and associated hardware for direct connection to

MCP2150 UART (DB-9 interface requires RS-232 signal levels).

4. Ten-pin header connection to UART interface (Header requires TTL

level signals).

5. Three jumpers to select source of UART signals. Either DB-9 connector

or the eight-pin header.

6. Two jumpers to select desired baud rate.

7. Green power-on indicator LED.

8. Green LED for Carrier Detect.

9. Two IR Transceiver options (two jumpers select transceiver).

10. Jumper to disable MCP2150 device operation.

11. Hardware Baud selection.

Note: A schematic of the MCP2150 Developer’s Board is shown in

Figure A.6

 2001 Microchip Technology Inc. DS51246A-page 13

Getting Started

Figure 2.7: MCP2150 Board Hardware

MCP2150 Dev Board

02-01609 Rev. 1

DB9

J1

J4

Header

TX

RX

RTS

+5V

GND

J3

J2

CTS

DTR

DSR

CD

RI

GND

+5

R11 C16

Integrated

Transceiver

R13

JP2 JP1 BAUD

0

1

0

1

0

1

9600

19200

57600

115200

Component

Transceiver

J8

J7

U5

J6

J5

BT1

C17

D4

C14

C15

CR1

C16

C12

U2

Y1

C1 C4

C2

C3

U1

C10

D7

CD

R2

JP3

(MCP2150)

Open=Enabled

R4 R3

JP2 JP1

C8

C7

D3

R7

Power

C5

U4

R5

C11

R9

R8

D2

D5

R1

C9

U3

R6 C13

C6

R14

R10

D1

D6

U6

1

3

45 6

7

8

9

10

11

2

MCP2120/MCP2150 USER’S GUIDE

DS51246A-page 14  2001 Microchip Technology Inc.

2.3.2.1 Selecting UART Source and Optical Transceiver

Interface

Figure 2.8 shows two sets of jumpers used to route signals to and from the

MCP2150.

Jumpers J2, J3 and J4 are used to determine the source of the signals used

by the UART interface. When the header has the pins closest to the “DB9”

label jumpered to the center pin, the DB9 is the source of the UART signal.

When the header has the pins closest to the “Header” label jumpered to the

center pin, the four-pin header is the source of the UART signal.

Jumpers J7 and J8 are used to determine the source and destination of the

IrDA signals used by the interface between the MCP2150 and Optical

Transceiver. When the header has the pins closest to the “Integrated

Transceiver” label jumpered to the center pin, the integrated transceiver is

used. When the header has the pins closest to the “Component Transceiver”

label jumpered to the center pin, the component transceiver logic is used.

Figure 2.8: MCP2150 Selecting Sources

These three jumpers select the

source of the Host signals.

Header is source.

DB9 is source.

J2, J3 and J4

These two jumpers select the

optical transceiver logic. Both jumpers

Component Transceiver

Integrated Transceiver

J7 and J8

should connect the same pin positions

MCP2150 Dev Board

02-01609 Rev. 1

DB9

J1

J4

Header

TX

RX

RTS

+5V

GND

J3

J2

CTS

DTR

DSR

CD

RI

GND

+5

R11 C16

Integrated

Transceiver

R13

JP2 JP1 BAUD

0

1

0

1

0

1

9600

19200

57600

115200

Component

Transceiver

J8

J7

U5

J6

J5

BT1

C17

D4

C14

C15

CR1

C16

C12

U2

Y1

C1 C4

C2

C3

U1

C10

D7

CD

R2

JP3

(MCP2150)

Open=Enabled

R4 R3

JP2 JP1

C8

C7

D3

R7

Power

C5

U4

R5

C11

R9

R8

D2D5

R1

C9

U3

R6

C13

C6

R14

R10

D1

D6

U6

 2001 Microchip Technology Inc. DS51246A-page 15

Getting Started

2.3.2.2 Selecting Baud Rate

Figure 2.9 shows the two Baud Rate Select jumpers (JP2:JP1) and the baud

rate. Table 2.2 shows the baud rates for some crystal frequencies.

Figure 2.9: MCP2150 Baud Rate

Table: 2.2 Serial Baud Rate Selection vs. Frequency

BAUD1:BAUD0 Baud Rate @ 11.0592 MHz Bit Rate

00 9600 FOSC

/ 1152

01 19200 F

OSC

/ 576

10 57600 F

OSC

/ 192

11 115200 F

OSC

/ 96

These three jumpers select the Baud Rate

JP2:JP1

9600

19200

57600

JP2:JP1

115200

MCP2150 Dev Board

02-01609 Rev. 1

DB9

J1

J4

Header

TX

RX

RTS

+5V

GND

J3

J2

CTS

DTR

DSR

CD

RI

GND

+5

R11 C16

Integrated

Transceiver

R13

JP2 JP1 BAUD

0

1

0

1

0

1

9600

19200

57600

115200

Component

Transceiver

J8J7

U5

J6

J5

BT1

C17

D4

C14

C15

CR1

C16

C12

U2

Y1

C1 C4

C2

C3

U1

C10

D7

CD

R2

JP3

(MCP2150)

Open=Enabled

R4 R3

JP2 JP1

C8

C7

D3

R7

Power

C5

U4

R5

C11

R9

R8

D2D5

R1

C9

U3

R6 C13

C6

R14

R10

D1

D6

U6

MCP2120/MCP2150 USER’S GUIDE

DS51246A-page 16  2001 Microchip Technology Inc.

2.3.2.3 Disabling the MCP2150

Figure 2.10 shows the jumper (JP3) which will enable or disable the

MCP2150 device. When the MCP2150 is disabled, the device will consume

less current.

Figure 2.10: MCP2150 Enable/Disable

In most cases, this jumper will be open. It may be closed to test system

operation when the MCP2150 is disabled. The Host Controller board may

control the operation of the MCP2150 by connecting a signal to the JP3

header as shown in Figure 2.11.

Figure 2.11: Host Controller Disabling the MCP2150

MCP2150 Enable/Disable

Disabled

Enabled

MCP2150 Dev Board

02-01609 Rev. 1

DB9

J1

J4

Header

TX

RX

RTS

+5V

GND

J3

J2

CTS

DTR

DSR

CD

RI

GND

+5

R11 C16

Integrated

Transceiver

R13

JP2 JP1 BAUD

0

1

0

1

0

1

9600

19200

57600

115200

Component

Transceiver

J8

J7

U5

J6

J5

BT1

C17

D4

C14

C15

CR1

C16

C12

U2

Y1

C1 C4

C2

C3

U1

C10

D7

CD

R2

JP3

(MCP2150)

Open=Enabled

R4 R3

JP2 JP1

C8

C7

D3

R7

Power

C5

U4

R5

C11

R9

R8

D2

D5

R1

C9

U3

R6 C13

C6

R14

R10

D1

D6

U6

JP4

MCP2150

EN

I/O Pin

MCP2150 Developer’s Board

Host Controller

(High or Hi Impedance = Enabled

Low = Disabled)

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