Download User`s Manual - Digi International

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4. HARDWARE REFERENCE
Chapter 4 describes the hardware components and principal hardware
subsystems of the RCM3360/RCM3370 modules. Appendix A,
“RCM3360/RCM3370 Specifications,” provides complete physical
and electrical specifications.
Figure 4 shows the Rabbit-based subsystems designed into the RCM3360/RCM3370.
Ethernet
Fast SRAM
(program)
Data
SRAM
32 kHz 44.2 MHz
osc
osc
RABBIT ®
3000
Program
Flash
NAND
Flash
Battery-Backup
Circuit
RabbitCore Module
Customer-specific
applications
CMOS-level signals
Level
converter
RS-232, RS-485
serial communication
drivers on motherboard
Customer-supplied
external 3 V battery
Figure 4. RCM3360/RCM3370 Subsystems
User’s Manual
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