101-0558 Rabbit Semiconductor, 101-0558 Datasheet - Page 70

• Manufacturer Part Number: 101-0558
• Description: COMPUTER SNG BD BL1800 512K SRAM
• Manufacturer: Rabbit Semiconductor

Specifications of 101-0558

• Module/board Type: Single Board Computer Module
• For Use With/related Products: BL1800
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

The ports on the Rabbit 2000 microprocessor used in the Jackrabbit are configurable, and
so the factory defaults can be reconfigured. Table A-3 lists the Rabbit 2000 factory
defaults and the alternate configurations.
66
PA0–PA7 Parallel I/O
PB0
PB1
PB2
PB3
PB4
PB5
PB6
PB7
PC0
PC1
PC2
PC3
PC4
PC5
PC6
PC7
Pin
Input
Input
Input
Input
Input
Input
Output
Output
Output
Input
Output
Input
Output
Input
Output
Input
Factory Default
Table A-3. Jackrabbit Pinout Configurations
Rabbit 2000
Slave port data bus SD0–
SD7
Serial port clock CLKB
Serial port clock CLKA
Slave port write /SWR
Slave port read /SRD
Slave port address lines
SA1–SA0
Slave port attention line
/SLAVEATTN
TXD
RXD
TXC
RXC
TXB
RXB
TXA
RXA
Alternate Use
PB1 (CLKA) is
connected to J3
(programming port)
Connected to RS-485 IC
Tx input
Connected to RS-485 IC
Rx output
Connected to RS-232 IC
Tx input
Connected to RS-232 IC
Rx output
Connected to RS-232 IC
Tx input
Connected to RS-232 IC
Rx output
Connected to
programming port
Jackrabbit Use
Jackrabbit (BL1800)