User’s Manual 1
1. INTRODUCTION
The RCM3200 RabbitCore™ module is designed to be the heart
of embedded control systems. The RCM3200 features an inte-
grated 10/100Base-T Ethernet port and provides for LAN and
Internet-enabled systems to be built as easily as serial-communi-
cation systems.
Throughout this manual, the term RCM3200 refers to the complete series of RCM3200
RabbitCore modules unless other production models are referred to specifically.
The RCM3200 has a Rabbit
®
3000 microprocessor operating at 44.2 MHz, data and pro-
gram execution SRAM, flash memory, two clocks (main oscillator and timekeeping), and
the circuitry necessary for reset and management of battery backup of the Rabbit 3000’s
internal real-time clock and the data SRAM. Two 34-pin headers bring out the Rabbit
3000 I/O bus lines, parallel ports, and serial ports.
The RCM3200 receives its +3.3 V power from the customer-supplied motherboard on
which it is mounted. The RabbitCore RCM3200 can interface with all kinds of CMOS-
compatible digital devices through the motherboard.
1.1 RCM3200 Features
• Small size: 1.85" × 2.65" × 0.86"
(47 mm × 67 mm × 22 mm)
• Microprocessor: Rabbit 3000 running
at 44.2 MHz
• 52 parallel 5 V tolerant I/O lines: 44 configurable for I/O, 4 fixed inputs, 4 fixed outputs
• Two additional digital inputs, two additional digital outputs
• External reset input
• Alternate I/O bus can be configured for 8 data lines and 6 address lines (shared with
parallel I/O lines), I/O read/write
• Ten 8-bit timers (six cascadable) and one 10-bit timer with two match registers
• 512K flash memory, 512K program execution SRAM, 256K data SRAM
• Real-time clock
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