101-0399 Rabbit Semiconductor, 101-0399 Datasheet - Page 67
![no-image](/images/no-image-200.jpg)
101-0399
Manufacturer Part Number
101-0399
Description
KIT DEV RABBIT RCM2000 INT'L
Manufacturer
Rabbit Semiconductor
Series
RabbitCore 2000r
Type
MPU Moduler
Datasheet
1.20-101-0383.pdf
(80 pages)
Specifications of 101-0399
Contents
RabbitCore Module, Dev. Board, AC Adapter, Cable and Dynamic C® CD-Rom
For Use With/related Products
RCM2000, RCM2010, RCM2020
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
101-399
101-399
101-399
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A
C. P
M
PPENDIX
OWER
ANAGEMENT
Appendix C describes the RCM2000 power circuitry.
C.1 Power Supplies
The RCM2000 requires a regulated 5 V ± 0.25 V DC power source.
An RCM2000 with no loading at the outputs operating at 18.432 MHz typically draws 88 mA,
and an RCM2000 operating at 25.8048 MHz typically draws 120 mA. The RCM2000 will
consume 13 mA to 15 mA of additional current when the programming cable is used to
connect J3 to a PC.
C.1.1 Batteries and External Battery Connections
The RCM2000 does not have a battery, but there is provision for a customer-supplied bat-
tery to back up SRAM and keep the internal Rabbit 2000 real-time clock running.
Header J2, shown in Figure C-1, allows access to the external battery. This header makes
it possible to connect an external 3 V power supply. This allows the SRAM and the inter-
nal Rabbit 2000 real-time clock to retain data with the RCM2000 powered down.
Figure C-1. External Battery Connections at Header J2
A lithium battery with a nominal voltage of 3 V and a minimum capacity of 165 mA·h is
recommended. A lithium battery is strongly recommended because of its nearly constant
nominal voltage over most of its life.
User’s Manual
63
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