Rabbit RabbitCore RCM3305 User Manual page 31

Figure 6 shows the use of the Rabbit 3000 microprocessor ports in the RCM3305/
RCM3315 modules.
PC0, PC2
PC1, PC3
PG2–PG3
PG6–PG7
PB1, PC6, STATUS
PC7, /RESET,
SMODE0, SMODE1
4 Ethernet signals
The ports on the Rabbit 3000 microprocessor used in the RCM3305/RCM3315 are config-
urable, and so the factory defaults can be reconfigured. Table 2 lists the Rabbit 3000 fac-
tory defaults and the alternate configurations.
User's Manual
PA0–PA7
PB2–PB7
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
PD2–PD7
Port D
Port E
PE0–PE1,
(+Ethernet Port) PE3–PE7
Port F
PF0–PF7
Port G
PG0–PG1,
(+Serial Ports)
PG4–PG5
/RES
Misc. I/O
/RES
/IORD
/IOWR
Flash
25