Distributor of Digi International: Excellent Integrated System Limited
Datasheet of 20-101-1194 - MODULE RABBITCORE RCM3309 ROHS
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User’s Manual
23
Figure 6 shows the use of the Rabbit 3000 microprocessor ports in the RCM3309/
RCM3319 modules.
Figure 6. Use of Rabbit 3000 Ports
The ports on the Rabbit 3000 microprocessor used in the RCM3309/RCM3319 are config-
urable, and so the factory defaults can be reconfigured. Table 2 lists the Rabbit 3000
factory defaults and the alternate configurations.
R
ABBIT
®
3000
Port A
Port B
Port D
PA0PA7
PB2PB7
PE0PE1,
PE3PE7
PD2PD7
/RES
/IORD
/IOWR
Watchdog
11 Timers
Clock Doubler
Slave Port
Real-Time Clock
RAM
Backup Battery
Support
Flash
Port C
(Serial Ports C & D)
Programming
Port
(Serial Port A)
Ethernet
Port
4 Ethernet signals
PB1, PC6, STATUS
PC7, /RESET,
SMODE0, SMODE1
PC0, PC2
PC1, PC3
Port G
(Serial Ports E & F)
Port F
PF0PF7
/RES
PG2PG3
PG6PG7
Misc. I/O
PG0PG1,
PG4PG5
Port G
(
+
Serial Ports)
Port E
(
+
Ethernet Port)
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