Z-World Fox LP3500 User Manual page 85

Table A-3. Use of Rabbit 3000 Parallel Ports (continued)
Port
PF0 Output
PF1 Input
PF2 Input
PF3 Output
PF4 Output
PF5 Output
PF6 Output
PF7 Output
PG0 Output
PG1 Output
PG2 Output
PG3 Input
PG4 Output
PG5 Output
PG6 Output
PG7 Input
User's Manual
I/O
ADC Serial Clock
ADC Busy
Not used
ADC Device Select
PWM0
PWM1
PWM2
Power Enable Control
RS-485 Transmit Enable
RS-232 Shutdown Control
TxF RS-485
RxF RS-485
Relay Set
Relay Reset
TxE RS-232
RxE RS-232
Signal
Serial Port F
Serial Port E
Output Function State
Inactive high
Inactive low
Pulled up
Inactive high
Inactive high
Inactive high
Inactive high
Low when external power
source is connected; high
for battery
Inactive low
Inactive high
Inactive high
Inactive high
Inactive low
Inactive low
Inactive high
Inactive high
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