Rabbit RabbitCore RCM5400W, Руководство пользователя, Страница: 86 / 120

80 RabbitCore RCM5400W
Table A-1 lists the electrical, mechanical, and environmental specifications for the RCM5400W.
Table A-1. RCM5400W Specifications
Parameter RCM5400W RCM5450W
Microprocessor
Rabbit
®
5000 at 73.73 MHz
Data SRAM 512K 512K
Program Execution Fast SRAM 512K 1MB
Flash Memory 512K 1MB
Serial Flash Memory 1MB 2MB
Backup Battery
Connection for user-supplied backup battery
(to support RTC and data SRAM)
General Purpose I/O
up to 39 parallel digital I/0 lines configurable with four layers
of alternate functions
Additional Inputs Startup mode (2), reset in
Additional Outputs Status, reset out
External I/O Bus
Can be configured for 8 data lines and
6 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 asynchronous clocked serial port shared with program-
ming port
•
1 clocked serial port shared with serial flash
Serial Rate Maximum asynchronous baud rate = CLK/8
Slave Interface
Slave port allows the RCM5400W 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
4 channels variable-phase or synchronized PWM with 16-bit
counter
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