IPC@CHIP DB54
Hardware Manual V1.1 [04.10.2007]
I2C I/O port expander PCF8574A to LCD assignment:
I2C Port
Display
Name
D0 LCD_D4
D4
D1 LCD_D5
D5
D2 LCD_D6
D6
D3 LCD_D7
D7
D4
LCD_R/W
1 = read from LCD / 0 = write to LCD
D5 LCD_RS
Register
select
D6
LCD_E
1 = data enable. LCD reads data with falling edge
D7
LCD_LED
(No function) Backlight
4.8 S39 - Pin header with power supplies
This pin header can be used for accommodating all the power supplies of the DB54.
Pin assignment (1x6 pin header, pitch 2.54mm)
Pin No.
Name
Description
1
+24V (9..30V DC)
DB54 board power supply
2 GND
3
+5V
5V power supply for USB host, CAN
4
VCC_USB_DEVICE
Voltage input of USB Device Interface
5
+3.3V
3.3V logic voltage
6 GND
4.9 IC11 - IPC@CHIP SC23 Socket
Socket for the IPC@CHIP SC23 module
The SC23 is described in the SC2x Hardware Manual
Pin assignment (32 pin IC socket)
Pin No.
Name
Description
Pin No.
1 RXD1
PFI/PIO9
32
2 TXD1
TMRIN1/INT5#/PIO0 31
3 CTS1#/PIO12
TMROUT1/INT3/PIO1
30
4 RTS1
TMROUT0/PIO10
29
5 TXD2/PIO22
TMRIN0/PIO11
28
6 RXD2/PIO23
INT1/PIO2
27
7 CTS2#/CAN1RX/PIO12
RESETOUT#
26
8 RTS2#/CAN1TX/PIO20
I2CCLK/PIO31
25
9 RXD3/SDI/PIO28 I2CSDA/PIO13
24
10 TXD3/SDO/PIO27 CAN0RX
23
11 RTS3#/SCK/PIO19 CAN0TX
22
©2000-2008 Beck IPC GmbH
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