User`s manual

MiniCore RCM5700/RCM6700 User’s Manual rabbit.com 48
Table A-1 lists the electrical, mechanical, and environmental specifications for the RCM5700.
Table A-1. RCM5700 Specifications
Parameter RCM5700 RCM5710 RCM5750 RCM5760
Microprocessor
Rabbit
®
5000 at 50.0 MHz
EMI Reduction Spectrum spreader for reduced EMI (radiated emissions)
Ethernet Port
10/100Base-T
PHY only
10/100Base-T,
RJ-45, 2 LEDs
10/100Base-T
PHY only
10/100Base-T,
RJ-45, 2 LEDs
Flash Memory (program) 1MB
Flash Memory
(mass data storage)
— 2MB (serial flash)
External SRAM — 512KB (8-bit)
SRAM
128KB (Rabbit
®
5000 onchip)
Backup Battery
Connection for user-supplied backup
battery
(to support RTC)
None
General-Purpose I/O
up to 35 parallel digital I/0 lines configurable with four layers of alternate
functions
Additional Inputs Reset in
Additional Outputs Status, reset out
External I/O Bus
Can be configured for 8 data lines and
8 address lines (shared with parallel I/O lines),
plus I/O read/write
Serial Ports
6 high-speed, CMOS-compatible ports:
• all 6 configurable as asynchronous (with IrDA), 4 as clocked serial (SPI),
and 2 as SDLC/HDLC
• 1 clocked serial port shared with programming port
Serial Rate Maximum asynchronous baud rate = CLK/8
Slave Interface
Slave port allows the RCM5700 to be used as an intelligent peripheral device
slaved to a master processor
Real-Time Clock Yes
Timers
Ten 8-bit timers (6 cascadable from the first),
one 10-bit timer with 2 match registers, and
one 16-bit timer with 4 outputs and 8 set/reset registers
Watchdog/Supervisor Yes
Pulse-Width Modulators
4 channels synchronized PWM with 10-bit counter or
4 channels variable-phase or synchronized PWM with 16-bit counter