20-101-0654 Rabbit Semiconductor, 20-101-0654 Datasheet - Page 60

• Manufacturer Part Number: 20-101-0654
• Description: INTERFACE OP6800 512K FLASH&SRAM
• Manufacturer: Rabbit Semiconductor

Specifications of 20-101-0654

• Module/board Type: Single Board Computer Module
• Product: Modules
• Processor Type: Rabbit 2000
• Sram: 128 KB
• Flash: 256 KB
• Timers: 8 bit, 10 bit
• Backup Battery: Lithium Battery
• Operating Voltage: 9 V to 36 V
• Power Consumption: 1.5 W
• Board Size: 111 mm x 91 mm x 33 mm
• Description/function: Computer Module
• For Use With/related Products: OP6800
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 20-101-654; 20-101-654

56
Port
PD0
PD1
PD2
PD3
PD4
PD5
PD6
PD7
PB4
PB5
PB6
PB7
PC0
PC1
PC2
PC3
PC4
PC5
PC6
PC7
PE0
PE1
PE2
PE3
PE4
PE5
PE6
PE7
Table A-4. Use of Rabbit 2000 Parallel Ports (continued)
Output
Output
Output
Output
Output
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
N/A
N/A
N/A
I/O
IN11
Connected to PB7
Not Used
Connected to PB5
TXD RS-485
RXD RS-485
RTS/TXC RS-232
CTS/RXC RS-232
TPOUT– (Realtek reset)
TPOUT+ (Realtek INT0)
TXA Programming Port
RXA Programming Port
Realtek CLK (OP6800)
Not used (OP6810)
Realtek SDO (OP6800)
Not used (OP6810)
Not used
OUT07
ATXB RS-232
ARXB RS-232
Not used
Not used
RS-485 control register
OUT08
Realtek IORB strobe (OP6800)
Not used (OP6810)
Realtek SDI line (OP6800)
Not used (OP6810)
OUT09
OUT10
Realtek IOWB strobe (OP6800)
Not used (OP6810)
LCD_KEYPAD strobe
Signal
Serial Port D
Serial Port C
Serial Port A
Serial Port B
Output Function State
Initialized by
Initialized by
Initialized by
Initialized by
Initialized by
Initialized by
Low (output driver off)
Low (output driver off)
Low (output driver off)
Low (output driver off)
Low (Tx disabled)
Inactive high
Inactive high
Inactive high
Inactive high
Inactive high
Inactive high
Inactive high
Inactive high
Driven by PB7
MiniCom (OP6800)
Pulled up
Pulled up
Pulled up
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
sock_init
sock_init
sock_init
sock_init
sock_init
sock_init