101-0517 Rabbit Semiconductor, 101-0517 Datasheet - Page 60

• Manufacturer Part Number: 101-0517
• Description: MODULE RABBITCORE RCM3100
• Manufacturer: Rabbit Semiconductor

Specifications of 101-0517

• Rohs Status: RoHS non-compliant
• Module/board Type: MPU Core Module
• For Use With/related Products: RCM3100
• Other names: 316-1021

B.5 Use of Rabbit 3000 Parallel Ports
Table B-2 lists the Rabbit 3000 parallel ports and their use for the RCM30/31/32XX
Prototyping Board.
54
PD0–PD4
PD6–PD7
PA0–PA7
PB0–PB1
PB2–PB5
PB6–PB7
PE0–PE1
PF0–PF7
Port
PD5
PC0
PC1
PC2
PC3
PC4
PC5
PC6
PC7
PE2
PE3
PE4
PE5
PE6
PE7
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Input
Input
Input
Input
Input
Input
Input
Input
Input
Table B-2. RCM30/31/32XX Prototyping Board
I/O
Use of Rabbit 3000 Parallel Ports
Configurable external I/O bus
Not used
Configurable external I/O bus
Not used
Not used
Not used
TXC
RXC
TXB
RXB
TXA Programming Port
RXA Programming Port
Not used
Not used
Not used
Not used
Not used
LCD device select
IrDA speed select
Not used
External I/O strobe
Not used
Reserved for future use
Use
Serial Port C
Serial Port B
Serial Port A
Pulled up on RCM3100
Pulled up on RCM3100
Pulled up on RCM3100
Pulled up on RCM3100
Pulled up on RCM3100
Pulled up on RCM3100
High when not driven
High when not driven
Prototyping Board
Prototyping Board
Prototyping Board
RabbitCore RCM3100
High (disabled)
High (disabled)
High (disabled)
High (disabled)
High (disabled)
High (disabled)
Low (disabled)
Low (disabled)
Initial State
Pulled up on
Pulled up on
Pulled up on
by I/O bus
by I/O bus
High
High
High
High