101-0602 Rabbit Semiconductor, 101-0602 Datasheet - Page 78

• Manufacturer Part Number: 101-0602
• Description: COMPUTER SNGL BRD BL2500 44.2MHZ
• Manufacturer: Rabbit Semiconductor

Specifications of 101-0602

• Module/board Type: Single Board Computer Module
• For Use With/related Products: BL2500
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

A.4 Use of Rabbit 3000 Parallel Ports
Figure A-6 shows the Rabbit 3000 parallel ports.
Table A-3 lists the Rabbit 3000 parallel ports and their use in the Coyote.
72
Port
PA0
PA1
PA2
PA3
PA4
PA5
PA6
PA7
PB0
PB1
PB2
PB3
Output
Output
Output
Output
Output
Output
Output
Output
Output
Input
Input
Input
Table A-3. Use of Rabbit 3000 Parallel Ports
I/O
Figure A-6. Coyote Rabbit-Based Subsystems
OUT0
OUT1
OUT2
OUT3
RS-485 Transmit Enable
SPI Select
LED DS4
LED DS3
CLKB SPI
Programming Port Clock
AD0 Low Comparator
AD0 High Comparator
Signal
Low (disables transmit)
Driven by comparator
Driven by comparator
Low (= select SPI1)
(high selects SPI2)
High (disabled)
High (disabled)
Initial State
Coyote (BL2500)
High
High
Low
Low
Low
Low