Distributor of Digi International: Excellent Integrated System Limited
Datasheet of 20-101-1194 - MODULE RABBITCORE RCM3309 ROHS
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User’s Manual
21
4. H
ARDWARE
R
EFERENCE
Chapter 4 describes the hardware components and principal hardware
subsystems of the RCM3309/RCM3319 modules. Appendix A,
“RCM3309/RCM3319 Specifications,” provides complete physical
and electrical specifications.
Figure 4 shows the Rabbit-based subsystems designed into the RCM3309/RCM3319.
Figure 4. RCM3309/RCM3319 Subsystems
32 kHz
osc
RabbitCore Module
RABBIT
®
3000
Customer-supplied
external 3 V battery
CMOS-level signals
RS-232, RS-485
serial communication
drivers on motherboard
Customer-specific
applications
Battery-Backup
Circuit
Level
converter
Ethernet
44.2 MHz
osc
Program
Flash
Fast SRAM
(program)
Data
SRAM
Serial
Flash
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