Rev. 2.1 - December 2007 - ETH_CPU-1433_USM20-2007- 12
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User Manual
2 Introduction
CPU-1433 User Manual
Disclaimer
The information in this manual has been carefully checked and is believed to be accurate. Eurotech assumes no
responsibility for any infringements of patents or other rights of third parties, which may result from its use.
Eurotech assumes no responsibility for any inaccuracies that may be contained in this document. Eurotech makes no
commitment to update or keep current the information contained in this manual.
Eurotech reserves the right to make improvements to this document and/or product at any time and without notice.
Warranty
This product is supplied with a limited warranty. The product warranty covers failure of any Eurotech manufactured
product caused by manufacturing defects. Eurotech will make all reasonable effort to repair the product or replace it with
an equivalent alternative. Eurotech reserves the right to replace the returned product with an alternative variant or an
equivalent fit, form and functional product. Delivery charges will apply to all returned products.
Trademarks
All trademarks, both marked and not marked, appearing in this document are the property of their respective owners.
WEEE
The information below is issued in compliance with the regulations as set out in the 2002/96/CE directive, subsequently
superseded by 2003/108/CE. It refers electrical and electronic equipment and the waste management of such products.
When disposing of a device, including all of its components, subassemblies, and materials that are an integral part of the
product, you should consider the WEEE directive.
This symbol has been attached to the equipment or, if this has not been possible, on the packaging,
instruction literature and/or the guarantee sheet. By using this symbol, it states that the device has been
marketed after August 13th 2005, and implies that you must separate all of its components when possible,
and dispose of them in accordance with local waste disposal legislations.
• Because of the substances present in the equipment, improper use or disposal of the refuse can cause damage
to human health and to the environment.
• With reference to WEEE, it is compulsory not dispose of the equipment with normal urban refuse, arrangements
should be instigated for separate collection and disposal.
• Contact your local waste collection body for more detailed recycling information.
• In case of illicit disposal, sanctions will be levied on transgressors.
RoHS
This device, including all it components, subassemblies and the consumable materials that are an integral part of the
product, has been manufactured in compliance with the European directive 2002/95/EC known as the RoHS directive
(Restrictions on the use of certain Hazardous Substances). This directive targets the reduction of certain hazardous
substances previously used in electrical and electronic equipment (EEE).
© 2007 Eurotech Spa
Eurotech S.p.A.
A member of the Eurotech Group
Via Fratelli Solari, 3/a
33020 - AMARO (UD)
ITALY
Introduction 3
CPU-1433 User Manual
Introduction
Manual Conventions
The following conventions are used throughout this manual.
The “Mode” of the register:
Symbol / Text Definition
RW Readable and Writable register
RO Read only register
W Meaning of the register when written
R Meaning of the register when read
Hexadecimal numbering:
Hexadecimal numbers are indicated with an “h” suffix (for example: 11Ch)
Symbols and Text used in Pin-out tables:
Symbol / Text Definition
◄ Input
► Output
◄► Bi-Directional
▬ Passive
Module specific Dependent on module installed
NC Not Connected
Reserved Use reserved to Eurotech, must remain unconnected
# Active low signal
Warnings and Important Notices:
Within this manual you will find the following tables, please ensure that you read and understand these as they are
intended to highlight potential risks or precautions that should be taken.
Warnings:
Information to alert you to potential hazards:
Potential personal injury or damage to a system, device, or program.
Information notes:
Indicates important features or instructions that should be observed
4 Introduction
CPU-1433 User Manual
Technical Assistance
If you have any technical questions or if you cannot isolate a problem with your device, please e-mail the Eurotech
Technical Support Team: mailto:techsupp@eurotech.it
RMA Requests
Before returning any Eurotech product, for any reason, you must e-mail the Eurotech Technical Support Team on the
above email address, giving the following information; you will then be sent an RMA number (Returned Material
Authorization) for the return of the material:
• Model number (see Figure 1)
• Serial number (see Figure 1)
• Detailed fault description
• Company Details
• Contact details
Transportation
When transporting any module or system, for any reason, it should be packed using anti-static material and placed in a
sturdy box with enough packing material to adequately cushion it.
Warnings:
Any product returned to Eurotech that is damaged due to inappropriate packaging will not be
covered by the warranty!
Board labelling
On the external side of the ISA Bus connector, you will find several labels displaying the following:
• Batch Number
• Serial Number
• Model Number
• Hardware Revision
Note:
The actual location of these labels may vary depending on the product purchased.
For example: If no ISA bus is present, the PCI bus may be used instead.
However, the labelling formats will remain the same.
Figure 1. Board label locations
Serial Number
Model Number Hardware Revision
Batch Number
Table of Contents
Introduction...................................................................................................................................................... 3
Manual Conventions.......................................................................................................................................... 3
Technical Assistance ......................................................................................................................................... 4
RMA Requests................................................................................................................................................... 4
Transportation.................................................................................................................................................... 4
Board labelling ................................................................................................................................................... 4
Table of Contents ............................................................................................................................................ 5
Chapter 1 Product Overview ...................................................................................................................... 7
Product Definition .............................................................................................................................................. 8
Electrical and Environmental Specifications...................................................................................................... 9
Operating Characteristics ........................................................................................................................................9
Absolute Maximum Ratings.....................................................................................................................................9
MTBF.......................................................................................................................................................................9
Chapter 2 Jumpers .................................................................................................................................... 11
Jumper Layout and Configuration ................................................................................................................... 11
Chapter 3 Connectors ............................................................................................................................... 13
Connector Layout ............................................................................................................................................ 13
How to connect the CPU-1433 with other PC/104 & PC/104-Plus devices: the stack assembly ................... 14
J1 and J2: the ISA Bus .................................................................................................................................... 15
J3: PCI Bus...................................................................................................................................................... 17
J4: Flat Panel Display, USB0 and AC97 Codec.............................................................................................. 18
J5: Parallel and Serial 1 & 2 ............................................................................................................................ 19
J6: USB 0 & 1 and AC97 Codec...................................................................................................................... 21
J7: Multifunction............................................................................................................................................... 22
J8: External Ring ............................................................................................................................................. 23
J9: IDE ............................................................................................................................................................. 24
J11: Auxiliary power......................................................................................................................................... 25
J12: IDE LED ................................................................................................................................................... 26
J16: Ethernet ................................................................................................................................................... 27
J17: USB 2 & 3 ................................................................................................................................................ 28
Chapter 4 The Setup Program.................................................................................................................. 29
Main menu.............................................................................................................................................................29
Sub menu ..............................................................................................................................................................29
Navigation / Input options ......................................................................................................................................29
Navigation Keys:.............................................................................................................................................. 30
General: ........................................................................................................................................................... 31
Devices: ........................................................................................................................................................... 32
Communications: ............................................................................................................................................. 33
ATAPI Units: .................................................................................................................................................... 34
Advanced:........................................................................................................................................................ 35
PCI Bus............................................................................................................................................................ 36
ISA Bus:........................................................................................................................................................... 37
Flat Panel:........................................................................................................................................................ 38
Error Handling:................................................................................................................................................. 39
Quit: ................................................................................................................................................................. 40
6 Table of Contents
CPU-1433 User Manual
Chapter 5 BTOOL Program and Solid State Disk................................................................................... 41
The BTOOL program....................................................................................................................................... 41
OPTIONS:..............................................................................................................................................................42
The Integrated Solid State Disk....................................................................................................................... 43
Chapter 6 Virtual Peripheral ..................................................................................................................... 45
How “Virtual Peripheral” works ........................................................................................................................ 46
Choosing the Virtual Peripheral connection type ............................................................................................ 46
Serial Connection:..................................................................................................................................................46
Parallel Connection:...............................................................................................................................................47
The VP2000.EXE program .............................................................................................................................. 48
How to perform a Virtual Peripheral session ................................................................................................... 49
To perform a Virtual Peripheral session you need:................................................................................................ 49
Follow these steps to perform a Virtual Peripheral session: ..................................................................................49
Chapter 7 Watchdog Timer....................................................................................................................... 51
Watchdog modes............................................................................................................................................. 51
BIOS INT 52h - functions 0Ch, 0Dh, 0Eh...............................................................................................................51
Super I/O registers programming...........................................................................................................................52
Appendix ........................................................................................................................................................ 53
A.1. Mechanical Dimensions........................................................................................................................ 53
A.2. Manual Revision History ....................................................................................................................... 54
Chapter 1 Product Overview
The CPU-1433 is a highly integrated PC/104-Plus CPU module, based on the AMD™ Geode™ GX466 333 MHz
microprocessor.
Related Products Available:
• 10/100 RJ45 Ethernet adapter
• AC97 Audio CODEC
• 4x USB A adapter
• Cable set
• Development kit
For a complete list of our products visit our website: www.eurotech.it
In the following paragraphs, you will find a brief description of the CPU-1433.
8 Product Overview
CPU-1433 User Manual
Product Definition
Architecture:
PC PCI-Architecture with ISA-bus
Dimensions:
Compliant with the PC/104-Plus standard
Processor:
AMD™ Geode™ GX466 333 MHz
Memory:
128MB on board soldered DDR
Solid State Disk:
Connector for a secured Disk-On-Module
Operating Systems:
Windows CE® & XPE® and Linux®
BIOS Flash:
1MB 8-bit +5V Flash EPROM
Interfaces:
• IDE Controller 66MB/second UDMA ATA-5
• Integrated display controller:
o TFT or VGA Interface
o Supports up to 1600 x 1200 x 24 BPP at 85 Hz
• Four USB 2.0 ports
• Audio: AC97 specification v2.3 compliant
• Ethernet (Realtek RL8139D):
o 10/100 Mbps with N-way Auto-negotiation
o Wake-On-LAN availability
• Parallel port
• Serial ports:
o One RS232
o One software configurable RS232/422/485
• AT Keyboard
• PS/2 Mouse
BUS:
PCI/ISA PC/104-Plus compliant
Power Supply:
+5V only
Product Overview 9
CPU-1433 User Manual
Electrical and Environmental Specifications
Operating Characteristics
Electrical Operating Characteristics
Power supply Nominal 5.00 V
Minimum 4.75 V
Maximum 5.25 V
Power consumption Typical <6 W
Backup Battery Characteristics
There is no configuration data saved by the BIOS for the CMOS Real Time Clock. Therefore, the CPU module does not
need a battery except for applications that need to retain date and time data at power-off.
Battery Voltage Nominal 3.6 V
Minimum 3.0 V
Maximum 3.9 V
Note:
Setup data is stored in the BIOS Flash EPROM; it is therefore impossible to lose the setup
data due to a lack of power.
Operating Temperature Range
For correct operation of the module, the ambient air temperature must remain within the following range:
Standard Minimum +0 °C
Maximum +60 °C
Extended Minimum -40 °C
Maximum +85 °C
Absolute Maximum Ratings
Supply Voltage Minimum 0.00 V
Maximum 5.25 V
Storage Temperature Range Minimum -40 °C
Maximum +85 °C
Non-Condensing Relative Humidity <95% at 40°C
Warning:
Stressing the module beyond the “Absolute Maximum Ratings” may cause permanent damage.
These are stress ratings only. Operation beyond the “Operating Conditions” is not recommended.
Extended exposure beyond the “Operating Conditions” may affect device reliability
MTBF
Hours 615.000
Standard Mil std. 217 ground benign
Temperature 25.0 °C
(This page is intentionally left blank.)
Chapter 2 Jumpers
Jumper Layout and Configuration
Jumpers are shown as JP followed by its designated number.
JP2
JP3 JP1
Figure 2. Jumpers and solder jumpers
Jumper Type Function Options Default
JP1 2 pin Ethernet IRQ selection Open: Ethernet use PCI_INTB#
Closed: Ethernet use PCI_INTD#
Open
JP2 3 pin VGA or Flat Panel selection 1-2: Use VGA
2-3: Use Flat Panel
1-2
JP3 2 pin Invalid Setup Open: Module starts with saved parameters
Closed: Module starts with default settings
Open
Table 1. Jumper Functions
(This page is intentionally left blank.)
Chapter 3 Connectors
Connector Layout
Connectors are shown as J followed by its designated number and a red pad indicates pin 1.
J9 J12
J7
A
uxiliary
Power
USB 2 & 3
Ethernet
Parallel,
Serial 1 & 2
External
Ring
USB0 & 1,
AC97 Codec
Flat Panel, USB0
AC97 CODEC
IDE/DOM IDE LED
Multifunction
J11
J17
J16
J10
J5 J8
J6
J4
J1
J2
J3
Figure 3. Connector layout
Connector # Function Qty of pins Format Pitch (mm)
J1 ISA Bus 64 PC104: 32x2 2.54
J2 ISA Bus 40 PC104: 20x2 2.54
J3 PCI Bus 120 PC104PLUS: 30x4 2.00
J4 Flat Panel, USB0 and AC97 Codec 40 20x2 1.25
J5 Parallel, Serial 1 & 2 40 20x2 2.00
J6 USB 0 & 1, AC97 Codec 20 10x2 2.00
J7 Multifunction 18 9x2 2.00
J8 External Ring 2 2x1 2.00
J9 IDE 44 22x2 2.00
J10 Reserved 10 10x1 2.00
J11 Auxiliary Power 12 6x2 2.54
J12 IDE Led 2 2x1 2.00
J14 Reserved 10 10x1 2.00
J16 Ethernet 8 8x1 2.00
J17 USB 2 & 3 8 8x1 2.00
Table 2. Connector Functions
14 Connectors
CPU-1433 User Manual
How to connect the CPU-1433 with other PC/104 & PC/104-Plus
devices: the stack assembly
The ISA and PCI bus connectors of the module are designed to allow it to be connected with other PC/104 and/or
PC/104-Plus devices, we recommend users to follow this procedure to ensure that stacked modules are not damaged.
Warning:
Appropriate ESD (Electro Static Discharge) precautions should be used for the following
procedure.
1. Turn off the power to the PC/104 (or PC/104-Plus) system or stack.
2. Select and install standoffs as required to correctly position the module on the PC/104 stack.
3. Remove the module from its anti-static bag.
4. Check that keying pins in the bus connector are correctly positioned.
5. Check the stacking order; make sure an XT bus card will not be placed between two AT bus cards or it will
interrupt the AT bus signals.
6. Hold the module by its edges and orient it so that the bus connector pins line up with the matching connector on
the stack.
7. Press the module evenly onto the PC/104 stack.
Figure 4 shows a typical module stack with two PC/104 modules, one PC/104 1
6-BIT module, and one PC/104 8-BIT
module.
The maximum number of modules is four in addition to the Host Board.
0.6 in. (15mm) Spacers (4 plcs.)
Stackthrough
8-bit module
0.435 in. (11 mm)
0.6 in. (15 mm)
Stackthrough
16-bit module
Stackthrough
PC/104Plus module
Non-Stackthrough
PC/104Plus module
0.6 in. (15mm) Spacers (4 plcs.)
0.6 in. (15mm) Spacers (4 plcs.)
0.100 in. (2.54 mm)
0.062 in. (1.57 mm)
Figure 4. The Module Stack
Warning:
Do not force the module onto the stack! Wiggling the module or applying too much pressure may
damage it. If the module does not readily press into place, remove it, check for bent pins or out-of-
place keying pins, and try again.
Connectors 15
CPU-1433 User Manual
J1 and J2: the ISA Bus
Connectors J1 and J2 carry the signals for the ISA Bus.
These signals match the definitions of the IEEE P996 standard.
J2
J1
Figure 5. ISA BUS layout
According to the PC/104 specifications, these connectors include KEY pins; these are filled holes in the upper side and
missing pins in the lower side of the bus. This is done to avoid the wrong insertion in/of another module.
Pin # Use Signal Pin # Use Signal
1 ISA Bus IOCHK# 33 ISA Bus A14
2 ISA Bus Ground 34 ISA Bus DACK1#
3 ISA Bus D7 35 ISA Bus A13
4 ISA Bus RSTDRV 36 ISA Bus DRQ1
5 ISA Bus D6 37 ISA Bus A12
6 ISA Bus +5 Volts 38 ISA Bus REFRESH#
7 ISA Bus D5 39 ISA Bus A11
8 ISA Bus IRQ 9 40 ISA Bus ISACLK
9 ISA Bus D4 41 ISA Bus A10
10 ISA Bus -5 Volts 42 ISA Bus IRQ 7
11 ISA Bus D3 43 ISA Bus A9
12 ISA Bus DRQ2 44 ISA Bus IRQ 6
13 ISA Bus D2 45 ISA Bus A8
14 ISA Bus -12 Volts 46 ISA Bus IRQ 5
15 ISA Bus D1 47 ISA Bus A7
16 ISA Bus ZEROWS# 48 ISA Bus IRQ 4
17 ISA Bus D0 49 ISA Bus A6
18 ISA Bus +12 Volts 50 ISA Bus IRQ 3
19 ISA Bus IOCHRDY 51 ISA Bus A5
20 Not Connected Key 52 ISA Bus DACK2#
21 ISA Bus AEN 53 ISA Bus A4
22 ISA Bus SMEMW# 54 ISA Bus TC
23 ISA Bus A19 55 ISA Bus A3
24 ISA Bus SMEMR# 56 ISA Bus BALE
25 ISA Bus A18 57 ISA Bus A2
26 ISA Bus IOW# 58 ISA Bus +5 Volts –1
27 ISA Bus A17 59 ISA Bus A1
28 ISA Bus IOR# 60 ISA Bus OSC
29 ISA Bus A16 61 ISA Bus A0
30 ISA Bus DACK3# 62 ISA Bus Ground 1
31 ISA Bus A15 63 ISA Bus Ground 3
32 ISA Bus DRQ3 64 ISA Bus Ground 2
Table 3. J1 pinout
16 Connectors
CPU-1433 User Manual
Pin # Use Signal Pin # Use Signal
1 ISA Bus Ground 0 21 ISA Bus MEMW#
2 ISA Bus Ground 1 22 ISA Bus DACK5#
3 ISA Bus SBHE# 23 ISA Bus SD8
4 ISA Bus ISA_MEMCS16# 24 ISA Bus DRQ5
5 ISA Bus LA23 25 ISA Bus SD9
6 ISA Bus IOC16# 26 ISA Bus DACK6#
7 ISA Bus LA22 27 ISA Bus SD10
8 ISA Bus IRQ10 28 ISA Bus DRQ6
9 ISA Bus LA21 29 ISA Bus SD11
10 ISA Bus IRQ11 30 ISA Bus DACK7#
11 ISA Bus LA20 31 ISA Bus SD12
12 ISA Bus IRQ12 32 ISA Bus DRQ7
13 ISA Bus LS19 33 ISA Bus SD13
14 ISA Bus IRQ15 34 ISA Bus +5 Volts
15 ISA Bus LA18 35 ISA Bus SD14
16 ISA Bus IRQ14 36 ISA Bus MASTER#
17 ISA Bus LA17 37 ISA Bus SD15
18 ISA Bus DACK0# 38 ISA Bus Ground 2
19 ISA Bus MEMR# 39 ISA Bus Not Connected
20 ISA Bus DRQ0 40 ISA Bus Ground 3
Table 4. J2 pinout
Note:
For further information regarding the ISA and PCI bus, please visit the Eurotech website
(http://www.eurotech.it/
), referring to the section titled “Industry Standards.”
Connectors 17
CPU-1433 User Manual
J3: PCI Bus
Connector J3 carries the PCI Bus signals. The PCI Bus mechanical interface is a stackable 30x4 header. This interface
carries all the required PCI signals as per PCI Local Bus Specification Version. 2.1.
PCI Bus
J3
Figure 6. PCI BUS layout
Pin A B C D
1 GND Reserved +5 AD00
2 VI/O AD02 AD01 +5V
3 AD05 GND AD04 AD03
4 C/BE0# AD07 GND AD06
5 GND AD09 AD08 GND
6 AD11 VI/O AD10 M66EN
7 AD14 AD13 GND AD12
8 +3.3V C/BE1# AD15 +3.3V
9 SERR# GND Reserved PAR
10 GND PERR# +3.3V Reserved
11 STOP# +3.3V LOCK# GND
12 +3.3V TRDY# GND DEVSEL#
13 FRAME# GND IRDY# +3.3V
14 GND AD16 +3.3V C/BE2#
15 AD18 +3.3V AD17 GND
16 AD21 AD20 GND AD19
17 +3.3V AD23 AD22 +3.3V
18 IDSEL0 GND IDSEL1 IDSEL2
19 AD24 C/BE3# VI/O IDSEL3
20 GND AD26 AD25 GND
21 AD29 +5V AD28 AD27
22 +5V AD30 GND AD31
23 REQ0# GND REQ1# VI/O
24 GND REQ2# +5V GNT0#
25 GNT1# VI/O GNT2# GND
26 +5V CLK0 GND CLK1
27 CLK2 +5V CLK3 GND
28 GND INTD# +5V RST#
29 +12V INTA# INTB# INTC#
30 -12V REQ3# GNT3# GND
Table 5. J3 pinout
Note:
For further information regarding the ISA and PCI bus, please visit the Eurotech website
(http://www.eurotech.it/
), referring to the section titled “Industry Standards.”
18 Connectors
CPU-1433 User Manual
J4: Flat Panel Display, USB0 and AC97 Codec
J4 includes the following:
• Flat panel display controller for TFT or CRT Interface supporting up to 1600 x 1200 x 24 BPP at 85 Hz
• AC97 port, specification v2.3 compliant
• USB port (USB0)
Note:
The AC97 CODEC and the USB0 port are also made available on connector J6. The
user must choose either J4 or J6 (Not both) in order to use these peripherals
Flat Panel, USB0
AC97 CODEC
J4
Figure 7. J4 layout
Pin # Use Signal Pin # Use Signal
1 Flat Panel Ground 21 Flat Panel FP09_GreenD3
2 Flat Panel Flat Panel DCLK 22 Flat Panel FP08_GreenD2
3 Flat Panel Ground 23 Flat Panel FP07_GreenD1
4 Flat Panel FP17_BlueD5 24 Flat Panel FP06_GreenD0
5 Flat Panel FPDISPEN 25 Flat Panel FPC_VSYNC
6 Flat Panel FP16_BlueD4 26 Flat Panel FPC_HSYNC
7 Flat Panel FP15_BlueD3 27 USB0 USB Ground
8 Flat Panel FP14_BlueD2 28 USB0 + Data
9 Flat Panel FP13_BlueD1 29 USB0 - Data
10 Flat Panel FP12_BlueD0 30 USB0 Vdd
11 Flat Panel FP5_RedD5 31 Codec PC Beep
12 Flat Panel FPVDDEN 32 Codec Vdd
13 Flat Panel FP4_RedD4 33 Codec S Data Out
14 Flat Panel FP3_RedD3 34 Codec Reset Driver
15 Flat Panel FP2_RedD2 35 Codec S Data In
16 Flat Panel FP1_RedD1 36 Codec Sync
17 Flat Panel FP0_RedD0 37 Codec Ground
18 Flat Panel FP11_GreenD5 38 Codec N.C.
19 Flat Panel FPBCKLEN 39 Codec Ground
20 Flat Panel FP10_GreenD4 40 Codec Bit Clock
Table 6. J4 pinout
NOTE FOR CPU-1432 USERS:
The pin-out diagram for CPU-1433 LCD connector is the same as the pin-out diagram for
CPU-1432 LCD connector except for the Red and Blue colours assignment.
Note:
For further information, refer to the Technical Datasheet Td0023 that can be downloaded
from www.eurotech.it
.
Connectors 19
CPU-1433 User Manual
J5: Parallel and Serial 1 & 2
J5 includes the following:
• Serial Port 1 is RS232, RS422 or RS485 (Software configurable)
• Serial Port 2 is RS232 only
• The maximum baud rate for both serial ports is 115K.
Parallel,
Serial 1 & 2
J5
Figure 8. J5 layout
Pin # Use Signal Pin # Use Signal
1 Parallel - Strobe 21 Parallel + Select
2 Parallel - Auto Feed 22 Parallel Vdd
3 Parallel + Data Bit 0 23 Serial 1 Data Carrier Detect
4 Parallel ERR# 24 Serial 1 Data Set Ready
5 Parallel + Data Bit 1 25 Serial 1 Receive Data
6 Parallel INIT# 26 Serial 1 Request To Send
7 Parallel + Data Bit 2 27 Serial 1 Transmit Data
8 Parallel SLIN# 28 Serial 1 Clear To Send
9 Parallel + Data Bit 3 29 Serial 1 Data Terminal Ready
10 Parallel Ground 30 Serial 1 Ring Indicator
11 Parallel + Data Bit 4 31 Serial 1 Ground
12 Parallel Ground 32 Serial 2 Data Carrier Detect
13 Parallel + Data Bit 5 33 Serial 2 Data Set Ready
14 Parallel Ground 34 Serial 2 Receive Data
15 Parallel + Data Bit 6 35 Serial 2 Request To Send
16 Parallel Ground 36 Serial 2 Transmit Data
17 Parallel + Data Bit 7 37 Serial 2 Clear To Send
18 Parallel - Acknowledge 38 Serial 2 Data Terminal Ready
19 Parallel + Busy 39 Serial 2 Ring Indicator
20 Parallel + Paper End 40 Serial 2 Ground
Table 7. J5 pinout
Note:
For further information, refer to the Technical Datasheet Td0023 that can be downloaded
from www.eurotech.it
.
20 Connectors
CPU-1433 User Manual
RS422 RS485
Pin # Signal Function In/out Signal Function In/out Pin #
23 -TX Transmit data Out -TX/-RX Transmit/Receive data In / Out 23
24 -- Not connected -- -- Not connected -- 24
25 +TX Transmit Data Out +TX/+RX Transmit/Receive data In / Out 25
26 -- Not connected -- -- Not connected -- 26
27 -RX Receive Data In -- Not connected -- 27
28 -- Not connected -- -- Not connected -- 28
29 +RX Receive Data In -- Not connected -- 29
30 -- Not connected -- -- Not connected -- 30
31 Ground Signal ground -- Ground Signal ground -- 31
Table 8. Serial Port 1 and 2 in RS422-RS485 modes
Note:
If the Serial port is used in RS485 mode, the bi-directional line must be controlled via
software, using the Data Terminal Ready (DTR) signal of the serial controller.
This signal is defined by bit 0 of the UART Modem Control Register (MCR) and the bi-
directional line is controlled as follows:
• Bit 0 of the MCR register = 0 means RS485 line receiving
• Bit 0 of the MCR register = 1 means RS485 line transmitting
The I/O address of the MCR is "Serial port Base address" +4H.
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