20-101-1028 Rabbit Semiconductor, 20-101-1028 Datasheet - Page 113

• Manufacturer Part Number: 20-101-1028
• Description: MODULE RABBITCORE RCM3750
• Manufacturer: Rabbit Semiconductor

Specifications of 20-101-1028

• Module/board Type: MPU Core Module
• Product: Microcontroller Modules
• Core Processor: Rabbit 3000
• Flash: 512 KBytes
• Operating Supply Voltage: 4.75 to 5.25 V
• Board Size: 75 mm x 30 mm x 23 mm
• For Use With/related Products: RCM3750
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 316-1110

B.1.9 Use of Rabbit 3000 Parallel Ports
Table B-6 lists the Rabbit 3000 parallel ports and their use for the RCM3700 Prototyping
Board.
User’s Manual
PD6–PD7
PB2–PB5
PA0–PA7
Port
PD0
PD1
PD2
PD3
PD4
PD5
PB0
PB1
PB6
PB7
PC0
PC1
PC2
PC3
PC4
PC5
PC6
PC7
PE0
PE1
PE2
PE3
PE4
Table B-6. RCM3700 Prototyping Board Use of Rabbit 3000 Parallel Ports
Output
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
I/O
External ID0–ID7, LCD/keypad module
CLKB, A/D Converter SCLK
CLKA Programming Port
External IA0–IA3, LCD/keypad module
IA4, not used
External IA5, Switch S2
TXD RS-232
RXD RS-232
TXC RS-232
RXC RS-232
TXB Serial Flash
RXB Serial Flash
TXA Programming Port
RXA Programming Port
Ethernet RSTDRV
Ethernet BD5 (EESK)
Ethernet BD6 (EEDI)
Ethernet BD6 (EEDO)
ATXB, A/D converter SDI
ARXB, A/D converter SDO
Not used
IrDA MD0
IrDA MD1
Ethernet AEN
Not used
IrDA FIR_SEL
Use
Serial Port D
Serial Port C
Serial Port B
Serial Port A
Pulled down (Proto Board)
High (driven by Ethernet)
(when not driven by CLKA)
Pulled up (core module)
Pulled up (core module)
Pulled up (core module)
Pulled up (core module)
Pulled up (core module)
Pulled up (core module)
Pulled up (core module)
Pulled up (core module)
High (SCLK set by driver)
Pulled up (Proto Board)
High (when not driven)
High (set by drivers)
High (set by drivers)
High (set by drivers)
High (set by driver)
Low (slow baud rate)
High (core module)
High (core module)
High (core module)
Set by Ethernet
Set by Ethernet
Set by Ethernet
Initial State
High
High
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