參數(shù)資料
型號(hào)： 101-0558
廠商： Rabbit Semiconductor
文件頁數(shù)： 60/94頁
文件大小： 0K
描述： COMPUTER SNG BD BL1800 512K SRAM
標(biāo)準(zhǔn)包裝： 10
系列： SBC
模塊/板類型： 單板計(jì)算機(jī)模塊
適用于相關(guān)產(chǎn)品： BL1800
User’s Manual
59
Table A-1 lists the electrical, mechanical, and environmental specifications for the Jackrabbit boards.
Table A-1. Jackrabbit Board Specifications
Parameter
BL1800
BL1810
BL1820
Microprocessor
Rabbit 2000 @ 29.5 MHz
Rabbit 2000 @ 14.74 MHz
Flash EPROM
256K
(supports 128K–512K)
128K
(supports 128K–512K)
SRAM
128K
(supports 32K–512K)
Backup Battery
3 V lithium coin type, 950 mAh,
supports real-time clock and SRAM
None
Digital Inputs
6, CMOS-level
7, CMOS-level
Digital Outputs
4 CMOS-level plus
4 high-power outputs—3
sink up to 1 A and 30 V
each, 1 sources up to
500 mA
4 CMOS-level plus
4 high-power outputs—3
sink up to 200 mA and
30 V each, 1 sources up
to 100 mA
5 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
15 CMOS-level:
8 are bytewide, 7 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 (RS-485 driver not installed on BL1820)
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
8–40 V DC, 1.2 W max.,
switching regulator
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" × 0.76"
(64 mm × 89 mm × 19 mm)
2.50" × 3.50" × 0.94"
(64 mm × 89 mm × 24 mm)
2.50" × 3.50" × 0.63"
(64 mm × 89 mm × 16 mm)
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