20-101-0356 Rabbit Semiconductor, 20-101-0356 Datasheet - Page 35
20-101-0356
Manufacturer Part Number
20-101-0356
Description
COMPUTER SINGLE-BOARD BL1800
Manufacturer
Rabbit Semiconductor
Datasheet
1.20-101-0356.pdf
(94 pages)
Specifications of 20-101-0356
Module/board Type
Single Board Computer Module
Product
Modules
Data Bus Width
8 bit
Processor Type
Rabbit 2000
Sram
128 KB
Flash
256 KB
Timers
8 bit, 10 bit
Number Of I/os
14
Backup Battery
3 V Lithium Coin Type
Operating Voltage
8 V to 40 V
Power Consumption
1.2 W
Board Size
89 mm x 64 mm x 19 mm
Description/function
Computer Module
For Use With/related Products
BL1800
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
316-1079
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In addition to Serial Port A, the Rabbit 2000 startup-mode (SMODE0, SMODE1), status,
and reset pins are available on the serial programming port.
The two startup mode pins determine what happens after a reset—the Rabbit 2000 is
either cold-booted or the program begins executing at address 0x0000. These two
SMODE pins can be used as general inputs once the cold boot is complete.
The status pin is used by Dynamic C to determine whether a Rabbit microprocessor is
present. The status output has three different programmable functions:
1. It can be driven low on the first op code fetch cycle.
2. It can be driven low during an interrupt acknowledge cycle.
3. It can also serve as a general-purpose output.
The /RESET_IN pin is an external input that is used to reset the Rabbit 2000 and the
onboard peripheral circuits on the RabbitCore module. The serial programming port can be
used to force a hard reset on the RabbitCore module by asserting the /RESET_IN signal.
Refer to the Rabbit 2000 Microprocessor User’s Manual for more information.
User’s Manual
31
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