The RCM3900 module is ideal for developing high-performance and secure applications embedding the WEB or large masses of data. Main features: 10 / 100BaseT Ethernet, 1 GB SRAM, 512 Flash, microSD card support up to 1 GB, 6 serial ports, 52 digital I / O, Rabbit3000A @ 44.2 MHz microprocessor
Rabbit is a trademark of Digi International
| Characteristics |
RCM3900 |
RCM3910 |
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Microprocessor
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Rabbit3000A @ 44.2MHz
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Ethernet port
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10 / 100BaseT, RJ45 plug, 3 LEDs
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Flash memory
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512Kb
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SRAM memory
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512KB (programs) + 512KB (data)
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32MB NAND Flash additional memory
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Yes
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No
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MicroSD reader
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128MB cards up to 1GB
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Handling "hot" cards
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Yes
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Backup battery
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Connection for battery or user battery (RTC and SRAM support)
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LED indicators
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4: ACT (activity), LINK (connection), PFM (Parallel Flash Memory), USR (user programmable)
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Versatile inputs / outputs
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52 digital I / Os:
- 44 bidirectional
- 4 fixed inputs
- 4 fixed outputs
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Additional entries
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2 Startup, Reset modes
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Additional outputs
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Status, Reset
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Auxiliary bus inputs / outputs
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8 data lines and 6 address lines (shared with I / O), plus read / write I / O
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Serial ports
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5 3.3 volt CMOS compatible:
- 5 configurable asynchronously (with IrDA)
- 3 configurable synchronously (SPI)
- 2 configurable in SDLC / HDLC
- 1 asynchronous serial port dedicated to programming
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Series speed
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Maximum asynchronous speed = Clock / 8
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Slave interface
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Slave port for use of a master or smart devices from a master controller
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Real time clock
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Yes
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Timers
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10 8-bit timers (6 cascadable from the first) and 1 10-bit timer with 2 match registers
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| Watchdog / Supervisor |
Yes
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PWM
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10-bit counter and 4 modulation registers
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Pulse inputs
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2 pulse inputs for speed measurement or event detection
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Quadrature decoders
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2 quadrature strings for external incremental encoder module inputs
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Food
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3.15-3.45 VDC, 325mA / 3.3V @ 44.2 MHz
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| Operating temperature |
-20 ° C to + 85 ° C
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Humidity
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5 to 95% non-condensed
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Connections
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2 2x17 pin connectors (2mm pitch) and 1 2x5 pin 1.27mm pitch connector for programming
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Dimensions
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47 mm x 69 mm x 22 mm
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