Specifications

• mfg_part_number RCM3900
• Microprocessor Features
• EMI Reduction Spectrum spreader for reduced EMI (radiated emissions)
• Ethernet Port 10/100Base-T, RJ-45, 3 LEDs
• SRAM 512K program (fast SRAM) + 512K data
• Flash Memory (Program) 512K
• Memory (Data Storage) 32 MB (fixed NAND flash)
• LED Indicators LINK/ACT (link/activity)
• Backup Battery Connection for user-supplied backup battery (to support RTC and data SRAM)
• General Purpose I/O 52 parallel digital I/O lines:
• Additional Inputs Startup mode (2), reset in
• Additional Outputs Status, reset out
• External I/O Bus Can be configured for 8 lines and 5 address lines (shared with parallel I/O lines)
• Serial Ports Five 3.3V, CMOS-compatible ports(shared with I/O)
• Serial Rate Maximum asynchronous baud rate = CLK/8
• Slave Interface A slave port allows the RCM3900/RCM3910 to be used as an intelligent peripheral device slaved to a master processor, which may either be another Rabbit 3000 or any other type of processor
• Real-Time Clock Yes
• Timers Ten 8-bit timers (6 cascadable, 3 reserved for internal peripherals, one 10-bit timer with 2 match registers
• Watchdog/Supervisor Yes
• Pulse/Width Modulators 4 PWM registers with 10-bit free-running counter and priority interrupts
• Input Capture 2-channel input capture can be used to time input signals from various port pins
• Quadrature Decoder 2-channel quadrature decoder accepts inputs from external incremental encoder modules
• Power 3.15-3.45 V DC 325 mA @ 44.2 MHz, 3.3 V
• Operating Temperature -20° C to +85° C
• Humidity 5% to 95%, non-condensing
• Connectors Two 2 x 17, 2 mm pitch
• URL