Rabbit 2000, Руководство по началу работы

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40 Rabbit 2000 Development Kit
A.1 Electrical and Mechanical Specifications
Table A-1. BL1810 Specifications
Parameter BL1810
Microprocessor Rabbit 2000 @ 14.7 MHz
Flash EPROM
128K
(supports 128K–512K)
SRAM
128K
(supports 32K–512K)
Backup Battery
3 V lithium coin type, 950 mA·h,
supports real-time clock and SRAM
Digital Inputs 6, CMOS-level
Digital Outputs
4 CMOS-level plus 4 high-power outputs—3 sink up to
200 mA and 30 V each, 1 sources up to 100 mA
Configurable I/O 14 CMOS-level: 8 are bytewide, 6 are by bit
Analog Inputs
One low-grade A/D input—input range 0.1 V to 2.8 V,
9-bit resolution, 8-bit accuracy, 10 samples/s
Analog Outputs
Two 9-bit filtered and buffered PWM outputs,
one 0.1–2.8 V DC, one 0.7–3.5 V DC, update rate 50 Hz
Serial Ports
Up to four serial ports:
•
two RS-232 or one RS-232 (with CTS/RTS) rated at 15 kV
ESD
•
one RS-485 rated at 15 kV ESD
•
one 5 V CMOS-compatible programming port
Two serial ports (A and B) can be clocked.
Serial Rate
Max. burst rate = CLK/32 (async)
Max. sustained rate = CLK/64
Connectors Two 2 × 20, 2 mm IDC headers
Real-Time Clock Yes
Timers
Five 8-bit timers (four cascadable from the first)
and one 10-bit timer with two match registers
Watchdog/Supervisor Yes
Power 7.5–25 V DC, 100 mA, linear regulator
Operating Temperature –40°C to +70°C
Humidity 5% to 95%, noncondensing
Board Size
2.50" × 3.50" × 0.94"
(64 mm × 89 mm × 24 mm)
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