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Features
- Small size: 1.60" × 2.30" × 0.86" (41 mm × 58 mm × 22 mm)
- Microprocessor: Rabbit 2000 running at 22.1 MHz
- 26 parallel I/O lines: 16 configurable for input or output, 7 fixed inputs, 3 fixed outputs
- 8 data lines (D0–D7)
- 4 address lines (A0–A3)
- Memory I/0 read, write
- External reset input
- Five 8-bit timers (cascadable in pairs) and two 10-bit timers
- 256K–512K flash memory, 128K–512K SRAM
- Real-time clock
- Watchdog supervisor
- Provision for customer-supplied backup battery via connections on header J5
- 10/100-compatible RJ-45 Ethernet port with 10Base-T interface (Ethernet jack not installed on all models)
- Raw Ethernet and two associated LED control signals available on 26-pin header
- Three CMOS-compatible serial ports: maximum asynchronous baud rate of 691,200 bps, maximum synchronous baud rate of 5,529,600 bps. One port is configurable as a clocked port.
- Six additional I/O lines are located on the programming port, can be used as I/O lines when the programming port is not being used for programming or in-circuit debugging—one synchronous serial port can also be used as two general CMOS inputs and one general CMOS output, and there are two additional inputs and one additional output.
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