101-0393 Rabbit Semiconductor, 101-0393 Datasheet - Page 169
101-0393
Manufacturer Part Number
101-0393
Description
CARD D/A 0-10V SR9400 SMARTSTAR
Manufacturer
Rabbit Semiconductor
Datasheet
1.101-0437.pdf
(184 pages)
Specifications of 101-0393
Accessory Type
Smart Star D/A Card
For Use With/related Products
SR9400
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
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C.2.4 Reset Generator
The CPU Card uses a reset generator, U4, to reset the Rabbit 2000 microprocessor when
the voltage drops below the voltage necessary for reliable operation. The reset occurs
between 4.50 V and 4.75 V, typically 4.63 V. The reset can be initiated either externally or
by a watchdog timeout (
User’s Manual
NOTE: The Dynamic C function chkWDTO is not able to detect whether a watchdog
timeout has occurred on the SR9100 series of CPU cards. The GCSR status bits are
read and stored by the BIOS, and the reset status bit would normally change once a
reset has occurred. However, since WDTOUT is tied to the reset generator, a watchdog
timeout forces a hardware reset, followed by the BIOS reading and storing the status
bits corresponding to power-up or reset.
WDTOUT
Figure C-3. Reset Generator
) on the Rabbit 2000 microprocessor.
W
W
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