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Chapter 4 describes the hardware components and principal hardware
subsystems of the RCM3700. Appendix A, "RCM3700 Specifica-
tions," provides complete physical and electrical specifications.
Figure 4 shows the Rabbit-based subsystems designed into the RCM3700.
Ethernet
SRAM
Program
Flash
Serial
Flash
RabbitCore Module
RabbitCore RCM3700 User's Manual
4. H
ARDWARE
11 MHz
32 kHz
osc
osc
®
RABBIT
3000
Battery-Backup
Circuit
Figure 4. RCM3700 Subsystems
R
Customer-specific
applications
CMOS-level signals
Level
converter
RS-232, RS-485, IrDA
serial communication
drivers on motherboard
Customer-supplied
external 3 V battery
EFERENCE
25
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