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DIN Conn. | Device Bus | | Interface Bus | |
PIN | | | | | | |
PIN NO. | CPU Pin Nr. | Function | CPU PIN Nr. | SIGNAL | | 2nd Function |
| | | | | | |
A28 | | | 73 | TX0 | | P94 |
| | | | | | |
B28 | | | 74 | RX0 | | P95 |
| | | | | | |
C28 | | | 75 | TX1 | | P96 |
| | | | | | |
A29 | | | 76 | RX1 | | P97 |
| | | | | | |
B29 | | | 79 | X1AJ | | |
| | | | | | |
C29 | | | 80 | X0AJ | | |
| | | | | | |
A30 | | | 82 | X0J | | |
| | | | | | |
B30 | | | 83 | X1J | | |
| | | | | | |
C30 | | VCC | | VCC | | |
| | | | | | |
A31 | | | 49 | MD0 | | |
| | | | | | |
B31 | | | 50 | MD1 | | |
| | | | | | |
C31 | | | | NC | | |
| | | | | | |
A32 | | | 51 | MD2 | | |
| | | | | | |
B32 | | | | NC | | |
| | | | | | |
C32 | | GND | | GND | | |
| | | | | | |
