
Figure 8 shows the use of the Rabbit 4000 microprocessor ports in the RCM4510W
modules.
PA0?PA7
Port A
PB0
PB2?PB7
Port B
PD0?PD7
Port D
(RCM4510W only)
PC0, PC2
PC1, PC3
PB1, PC6, STATUS
PC7, /RES,
SMODE0, SMODE1
PC4, RxD+
PC5, TxD?
Port C
(Serial Ports C & D)
Serial Ports E & F
Programming
Port
(Serial Port A)
ZigBee? Modem
(Serial Port B)
RAM
R ABBIT?
4000
Real-Time Clock
Watchdog
11 Timers
Slave Port
Clock Doubler
Backup Battery
Support
Port E
Misc. I/O
Flash
PE0?PE7
/RES_IN
/RESET_OUT,
/IORD
/IOWR
Figure 8. Use of Rabbit 4000 Ports
The ports on the Rabbit 4000 microprocessor used in the RCM4510W are configurable,
and so the factory defaults can be reconfigured. Table 2 lists the Rabbit 4000 factory
defaults and the alternate configurations.
User ’s Manual
27