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iPac HCS12 Manual.doc
- 9 -
Rev 1.2 - 11/11/03
2.9 CAN I/O
The iPac HCS12 provides a single optically coupled CAN bus with 2 connectors (in & out). The CAN bus is provided by the
processor CAN port which is available on port lines PM0 & PM1. Jumpering JP 2 enables the terminating resistor for end of
network termination.
Table 9: CAN (HDR4)
Pin
Signal
DB9 Description
1
NC
-
2
NC
CANL
3
CANL
GND
4
CANH
-
5
GND
-
6
NC
-
7
NC
CANH
8
NC
-
9
NC
-
10
NC
Table 10: CAN (HDR5)
Pin
Signal
DB9 Description
1
NC
-
2
NC
CANL
3
CANL
GND
4
CANH
-
5
GND
-
6
NC
-
7
NC
CANH
8
NC
-
9
NC
-
10
NC
2.10 LCD
This header currently supports 2 and 4 line, character LCDs.
Table 11: LCD Interface (HDR6)
Pin
Signal
Pin
Signal
1
VCC
2
GND
3
RS
4
CNTR
5
E
6
R/W*
7
D1
8
D0
9
D3
10
D2
11
D5
12
D4
13
D7
14
D6
15
K (JP1 Pin3)
16
A (JP1 Pin4)
