Rabbit RabbitCore User Manual page 29

Figure 6 shows the use of the Rabbit 3000 microprocessor ports in the RCM3750 modules.
PC0, PC2
PC1, PC3
PG2–PG3
PG6–PG7
PC6
PB1, PC7, /RESET,
STATUS,
SMODE0, SMODE1
4 Ethernet signals
The ports on the Rabbit 3000 microprocessor used in the RCM3750 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
PB0, PB7,
PA0–PA7
PB2–PB5
Port A
Port B
Port C
(Serial Ports C & D)
Port G
(Serial Ports E & F)
Real-Time Clock
Programming
Port
Watchdog
(Serial Port A)
11 Timers
Ethernet
Slave Port
Port
Clock Doubler
Backup Battery
RAM
Support
Figure 6. Use of Rabbit 3000 Ports
PD4–PD5
Port D
(+Ethernet Port)
PE0–PE1,
Port E
PE4–PE5,
PE7
Port F
PF4–PF7
/RES
/IORD
Misc. I/O
/RES,
/IOWR
Flash
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