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Features
- Small size: 2.0" × 3.5" × 0.80"
(51 mm × 89 mm × 20 mm)
- Microprocessor: Rabbit 2000 running at 22.1 MHz
- 34 CMOS-compatible parallel I/O lines grouped in five 8-bit ports (shared with serial
ports)
- 8 data lines (BD0–BD7)
- 13 address lines (BA0–BA12)
- I/0 read, write, buffer enable
- Status, watchdog and clock outputs
- Two startup mode inputs for booting and master/slave configuration
- External reset input
- Reset output
- Five 8-bit timers, two 10-bit timers; five timers are cascadable in pairs
- 2 × 256K flash memory, 512K SRAM
- Real-time clock
- Watchdog supervisor
- Provision for customer-supplied backup battery via connections on header J2
- Four CMOS-compatible serial ports: maximum asynchronous baud rate of 690,625 bps,
maximum synchronous baud rate of 5.52 Mbps. Two ports are configurable as clocked
ports.
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