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108
RabbitCore RCM3750
R
C
M
3
7
0
0
PE5
Output
RS-232 enable
Pulled up (Proto Board)
(RS-232 disabled)
PE6
Output
Serial Flash Select
Pulled up (core module)
PE7
Output
LCD/keypad module BUFEN
Pulled up (Proto Board)
PF0
Output
A/D converter select line
Pulled up (Proto Board)
PF1
Input
A/D converter busy
Pulled down (Proto Board)
PF2–PF3
Input
Not used
Pulled up (core module)
PF4
Input
Switch S1
Pulled up (Proto Board)
PF5
Output
RS-485 Tx enable
Pulled down (Proto Board)
PF6
Output
LED DS1
High
PF7
Output
LED DS2
High
PG0–PG1
Input
Not used
Pulled up (Proto Board)
PG2
Input
TXF IrDA
Serial Port F
Pulled up (core module)—
tied to PC1
PG3
Input
RXF IrDA
Pulled up (core module)—
tied to PC3
PG4–PG5
Input
Not used
Pulled up (Proto Board)
PG6
Output
TXE RS-485 or RS-232
Serial Port E
High (set by drivers)
PG7
Input
RXE RS-485 or RS-232
Pulled up (set by drivers)
Table B-6. RCM3700 Prototyping Board Use of Rabbit 3000 Parallel Ports
Port
I/O
Use
Initial State
Summary of Contents for RabbitCore
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