User`s manual

User’s Manual 7
Figure 3 shows the use of the Rabbit 3000 ports in the RCM3000 series RabbitCore mod-
ules.
Figure 3. Use of Rabbit 3000 Ports
The ports on the Rabbit 3000 microprocessor used in the RCM3000 Series are config-
urable, and so the factory defaults can be reconfigured. Table 1 lists the Rabbit 3000 fac-
tory defaults and the alternate configurations.
R ABBIT
3000
Port A
Port B
Port D
(+Ethernet Port)
Port E
PA0PA7
PB0,
PB2PB7
PE0PE1,
PE3PE7
PD4PD5
/RESET,
/IOWR,
STATUS
SMODE0
SMODE1
Watchdog
11 Timers
Clock Doubler
Slave Port
Real-Time Clock
RAM
Backup Battery
Support
Flash
Port C
(Serial Ports B,C & D)
Programming
Port
(Serial Port A)
Ethernet
Port
4 Ethernet signals
PC6
PB1, PC7, /RES
PC0, PC2, PC4
PC1, PC3, PC5
Port G
(Serial Ports E & F)
Port F
PF0PF7
PG0PG1,
PG4PG5
Port G
(+Serial Ports)
Misc. I/O
/RES
_
IN
/IORD
PG0PG7