Use Of Rabbit 3000 Parallel Ports - Rabbit RabbitCore RCM3305 User Manual

B.6 Use of Rabbit 3000 Parallel Ports
Table B-5 lists the Rabbit 3000 parallel ports and their use for the Prototyping Board.
Table B-5. Prototyping Board Use of Rabbit 3000 Parallel Ports
Port I/O
PA0–PA3 Data Bus
PA4 Data Bus
PA5–PA7 Data Bus
PB0 Input
PB1 Input
PB2–PB5 Address Bus
PB6–PB7 Address Bus
PC0 Output
PC1 Input
PC2 Output
PC3 Input
PC4 Output
PC5 Input
PC6 Output
PC7 Input
†
Output
PD0
†
Output
PD1
PD2 Output
PD3 Output
PD4–PD6 Input
PD7 Output
PE0–PE1 Input
†
Output
PE2
PE3 Output
PE4–PE5 Input
PE6 Output
PE7 Output
98
Use
LCD/keypad module, motor driver, LEDs, J7
LCD/keypad module, motor driver, relay, J7
LCD/keypad module, motor control, J7
CLKB, Serial Flash SCLK
CLKA Programming Port
LCD/keypad module, J6
J6
TXD SPI, serial flash, J7
RXD SPI, serial flash, J7
TXC RS-485 J7
RXC RS-485 J7
TXB
RCM3305 serial flash
RXB
RCM3305 serial flash
TXA Programming Port
RXA Programming Port
RCM3305 USR LED
RCM3305 onboard serial flash select
SPI, serial flash, J7
SPI, serial flash, J7
Serial flash, J7
RS-485 Tx enable
IN0–IN1, J6
Ethernet AEN
Motor driver A clock pulse
IN2–IN3, J6
LCD/keypad module
Motor driver B clock pulse
Initial State
Active high
Active high
Active high
(when not driven by CLKA)
High (disabled)
Serial Port D
High (disabled)
High (disabled)
Serial Port C
High (disabled)
High (disabled)
*
Serial Port B
High (disabled)
Serial Port A
High (disabled)
Low (SPI disabled)
High (SPI CS disabled)
High (disabled)
Low (disabled)
Low (disabled)
Low (disabled)
High (disabled)
High (disabled)
RabbitCore RCM3305/RCM3315
High
High
High
High
High
High
High
High
High