101-1226 Rabbit Semiconductor, 101-1226 Datasheet - Page 163

RCM3900 DEV KIT UNIVERSAL

101-1226

Manufacturer Part Number
101-1226
Description
RCM3900 DEV KIT UNIVERSAL
Manufacturer
Rabbit Semiconductor
Series
RabbitCore 3900r
Type
MPU Moduler
Datasheet

Specifications of 101-1226

Contents
RabbitCore Module, Dev. Board, AC Adapter, Cable and Dynamic C® CD-Rom
For Use With/related Products
RCM3900
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
316-1137
D.1.3 Reset Generator
The RCM3900 uses a reset generator to reset the Rabbit 3000 microprocessor when the volt-
age drops below the voltage necessary for reliable operation. The reset occurs between
2.85 V and 3.00 V, typically 2.93 V.
The RCM3900 has a reset pin, pin 36 on header J1. This pin provides access to the reset
output from the reset generator, and is also connected to the reset input of the Rabbit 3000
to allow you to reset the microprocessor externally. A resistor divider consisting of R22
and R23 attenuates the signal associated with an externally applied reset to prevent it from
affecting the reset generator.
RabbitCore RCM3900 User’s Manual
163

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