20-101-1028 Rabbit Semiconductor, 20-101-1028 Datasheet - Page 163
20-101-1028
Manufacturer Part Number
20-101-1028
Description
MODULE RABBITCORE RCM3750
Manufacturer
Rabbit Semiconductor
Datasheet
1.20-101-1028.pdf
(172 pages)
Specifications of 20-101-1028
Module/board Type
MPU Core Module
Product
Microcontroller Modules
Core Processor
Rabbit 3000
Flash
512 KBytes
Operating Supply Voltage
4.75 to 5.25 V
Board Size
75 mm x 30 mm x 23 mm
For Use With/related Products
RCM3750
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
316-1110
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D.1 Power Supplies
Power is supplied from the motherboard to which the RCM3750 is connected via header
J1.
D.1.1 RCM3750
The RCM3750 has an onboard +3.3 V linear power regulator that provides the +3.3 V
supply to operate the microprocessor-related circuitry of the RCM3750. Figure D-1 shows
the power-supply circuit.
The RCM3750 requires a regulated 4.75 V to 5.25 V DC power source. An RCM3750 with
no loading at the outputs operating at 22.1 MHz typically draws 175 mA when the Ethernet
connection is active.
User’s Manual
Appendix D provides information on the current requirements
of the RCM3750, and includes some background on the chip
select circuit used in power management.
A
Figure D-1. RCM3750 Power Supply
PPENDIX
W
D. P
OWER
S
UPPLY
157
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