Use Of Rabbit 3000 Parallel Ports - Z-World Wolf BL2600 User Manual

A.4 Use of Rabbit 3000 Parallel Ports
Figure A-6 shows the Rabbit 3000 parallel ports.
PC0, PC2, PC4
PC1, PC3, PC5
PG2, PG6
PG3, PG7
PC6
PC7, /RES
4 Ethernet signals
Table A-3 lists the Rabbit 3000 parallel ports and their use in the BL2600.
Port
PA0–PA7
PB0–PB1 Input
PB2–PB4 Output
PB5–PB7 Output
PC0 Output
PC1 Input
PC2 Output
PC3 Input
PC4 Output
PC5 Input
PC6 Output
PC7 Input
User's Manual
PA0–PA7
Port A
Port C
(Serial Ports B,C & D)
Port G
(Serial Ports E & F)
Programming
Port
(Serial Port A)
Ethernet
Port
RAM
Figure A-6. BL2600 Rabbit-Based Subsystems
Table A-3. Use of Rabbit 3000 Parallel Ports
I/O
I/O ID0–ID7
Not connected
IA0–IA2
Not connected
TXD SPI
RXD SPI
TXC RS-232
RXC RS-232
Not connected
Not connected
TXA Programming Port
RXA Programming Port
PD0–PD1
PB2–PB4 PD4–PD5
Port D
Port B
(+Ethernet Port)
Port E
R
(+Ethernet Port)
ABBIT
3000
Port F
Real-Time Clock
Port G
Watchdog
(+Serial Ports)
11 Timers
Slave Port Misc. I/O
Clock Doubler
Backup Battery
Support
Signal
Serial Port D
Serial Port C
Serial Port A
PE0–PE3
PE4–PE5
PF0
PF1–PF7
PG0, PG1,
PG4
/RES _ IN
/IORD
/RESET,
/IOWR,
STATUS
SMODE0
Flash
SMODE1
Initial State
Pulled up
Pulled up
High
High
Inactive high
Pulled up
Inactive high
Pulled up
Inactive high
Pulled up
Low
Pulled up
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