Rabbit RabbitCore RCM3400 User Manual page 27

Figure 6 shows the use of the Rabbit 3000 microprocessor ports in the RCM3400 modules.
PC0, PC2
PC1, PC3
PG2, PG6
PG3, PG7
PB1, PC6
PC7, /RES
PC4*
PC5*
PC4 and PC5 are
*
not available on
RCM3400 I/O pins.
The ports on the Rabbit 3000 microprocessor used in the RCM3400 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
PA0–PA7 PB1–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
A/D Converter
Slave Port
(Serial Port B)
Clock Doubler
Backup Battery
RAM
Support
Figure 6. Use of Rabbit 3000 Ports
PD0
PD4–PD7
Port D
PE0–PE2
Port E
PE4–PE7
PF0–PF1
Port F
PF4–PF7
Port G
PG0–PG7
(+Serial Ports)
/RES _ IN
Misc. I/O
/IORD
/RESET,
/IOWR,
STATUS
SMODE0
Flash
SMODE1
21