Rabbit RCM3000 User Manual page 25

Figure 6 shows the use of the Rabbit 3000 ports in the RCM3000 modules.
The ports on the Rabbit 3000 microprocessor used in the RCM3000 are configurable, and
so the factory defaults can be reconfigured. Table 2 lists the Rabbit 3000 factory defaults
and the alternate configurations.
User's Manual
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PA0–PA7
Port A
PC0, PC2, PC4
Port C
(Serial Ports B,C & D)
PC1, PC3, PC5
PG2, PG6
Port G
(Serial Ports E & F)
PG3, PG7
Programming
PC6
PB1, PC7, /RES
(Serial Port A)
Ethernet
4 Ethernet signals
Figure 6. Use of Rabbit 3000 Ports
PB0,
PB2–PB7
Port B
Real-Time Clock
Port
Watchdog
11 Timers
Slave Port
Port
Clock Doubler
Backup Battery
RAM
Support
PD4–PD5
Port D
(+Ethernet Port)
PE0–PE1,
Port E
PE3–PE7
Port F
PF0–PF7
Port G
PG0–PG1,
(+Serial Ports) PG4–PG5
/RES _ IN
/IORD
Misc. I/O
/RESET,
/IOWR,
STATUS
SMODE0
Flash
SMODE1
17