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User’s Manual 23
4. HARDWARE REFERENCE
Chapter 4 describes the hardware components and principal hardware
subsystems of the RCM4000. Appendix A, “RCM4000 Specifica-
tions,” provides complete physical and electrical specifications.
Figure 5 shows the Rabbit-based subsystems designed into the RCM4000.
Figure 5. RCM4000 Subsystems
32 kHz
osc
RabbitCore Module
RABBIT
®
4000
CMOS-level signals
RS-232, RS-485
serial communication
drivers on motherboard
Customer-specific
applications
Level
converter
Ethernet
44.2 MHz
osc
A/D Converter
SRAM
Program
Flash
NAND
Flash