Beck IPC SC123 - UART1 Interface; UART2 Interface; Table 4-6: Pin Description of UART1; Table 4-7: Pin Description of UART2

IPC@CHIP SC123/SC143
Hardware Manual V1.06 [18.02.2010]
©2000-2008 BECK IPC GmbH Page 15
4.7 UART1 Interface
Ball Pin
Name
Ball
Pin
Type
Description
TXD1
(1)
B10
OUT [2mA]
Transmit Data 1 Out
This pin provides serial Transmit data to the system from serial port 1.
RXD1
(1)
C9
IN
Receive Data 1 In (Schmitt Trigger Input, Active HIGH with Pull-up)
This pin provides serial Receive Data from the system to serial port 1.
RTS1#
(1)
A9
OUT [2mA]
Ready to send 1 Out
This pin provides the Ready to Send output for serial port 1. It
provides the handshaking output for serial port 1.
CTS1#
(1)
B8
IN
Clear to Send 1 In (Schmitt Trigger Input, Active HIGH with Pull-up)
This pin provides the Clear to Send input for serial port 1. It provides
the handshaking input for serial port 1.
Table 4-6: Pin Description of UART1
4.8 UART2 Interface
Ball Pin
Name
Ball
Pin
Type
Description
PIO22
(1)
TXD2
A11
I/O [4mA]
OUT [4mA]
Transmit Data 2 Out (Schmitt Input with Pull-up)
This pin can be used with UART 2 as Transmit Data (TXD2).
It can also be used as PIO[22].
PIO23
(1)
RXD2
(1)
C10
I/O [4mA]
IN
Receive Data 2 In (Schmitt Input with Pull-up)
This pin can be used with UART 2 as Receive Data (RXD2).
It can also be used as PIO[23].
PIO20
(1)
RTS2#
A10
I/O [4mA]
OUT [4mA]
Ready to send 2 Out (Schmitt Input with Pull-up)
This pin can be used with UART 2 as Ready to Send (RTS2#).
It can also be used as PIO[20].
PIO21
(1)
CTS2#
(1)
B9
I/O [4mA]
IN
Clear to Send 2 In (Schmitt Input with Pull-up)
This pin can be used with UART 2 as Clear to Send (CTS2#).
It can also be used as PIO[21].
Table 4-7: Pin Description of UART2