20-101-1255 Rabbit Semiconductor, 20-101-1255 Datasheet - Page 120

• Manufacturer Part Number: 20-101-1255
• Description: COMPUTER SINGLE-BOARD BL4S100
• Manufacturer: Rabbit Semiconductor

Specifications of 20-101-1255

• Module/board Type: Single Board Computer Module
• Product: Modules
• Processor Type: BL4S100
• Sram: 512 KB
• Timers: 8 bit, 10 bit
• Number Of I/os: 20
• Backup Battery: 3 V Lithium Coin Type
• Operating Voltage: 9 V to 36 V
• Power Consumption: 2 W
• Board Size: 96 mm x 146 mm x 16 mm
• Description/function: Computer Module
• For Use With/related Products: BL4S100
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 316-1168

A.3 Use of Rabbit Microprocessor Parallel Ports
Table A-3 lists the Rabbit microprocessor parallel ports and their use in the BL4S100
boards.
BL4S100 User’s Manual
PA0–PA7
PB3–PB5
Port
PB0
PB1
PB2
PB6
PB7
PC0
PC1
PC2
PC3
PC4
PC5
PC6
PC7
PD0
PD1
PD2
PD3
PD4
PD5
PD6
PD7
PE0
PE1
PE2
PE3
Table A-3. Use of Rabbit Microprocessor Parallel Ports
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
I/O
I/O
Rabbit RIO D0–D7
PB0/SCLKB
PB1/SCLKA
Rabbit RIO PI
Rabbit RIO CH0–CHA2
Rabbit RIO /CS
Rabbit RIO G//B
TXD
RXD
TXC (A/D converter)
RXC (A/D converter)
TXB (serial flash)
RXB (serial flash)
TXA programming port
RXA programming port
RabbitNet CLK
XBee 1-button
SCLKC (A/D converter)
XBee reduce power
Rabbit RIO GS
XBee /CTS
TXE (XBee Tx)
RXE (XBee Rx)
A20
RIO interrupt input
TXF (RTS)
RXF (CTS)
Signal
Serial Port D
Serial Port C
Serial Port B
Serial Port A
Serial Port E
Serial Port F
Bus address line
Bus address line
Driven by U12
Initial State
Inactive high
Inactive high
Inactive high
Inactive high
Inactive high
Inactive high
Clock signal
Bus data line
Pulled up
Pulled up
Pulled up
Pulled up
Pulled up
Pulled up
Low
Low
Low
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