Rabbit RabbitCore RCM4000, User Manual

Page: 86 / 124

80 RabbitCore RCM4000
Table A-1 lists the electrical, mechanical, and environmental specifications for the RCM4000.
Table A-1. RCM4000 Specifications
Parameter RCM4000 RCM4010
Microprocessor
Rabbit
®
4000 at 58.98 MHz
Ethernet Port 10Base-T, RJ-45, 2 LEDs
SRAM 512K (16-bit)
Flash Memory (program) 512K (16-bit)
Flash Memory
(mass data storage) 32 Mbytes
(NAND flash)
—
Backup Battery
Connection for user-supplied backup battery
(to support RTC and data SRAM)
General Purpose I/O
19 parallel digital I/O lines:
• configurable with four layers
of alternate functions
25 parallel digital I/O lines:
• configurable with four layers
of alternate functions
Additional Inputs 2 startup mode, reset in, CONVERT 2 startup mode, reset in
Additional Outputs Status, reset out, analog VREF Status, reset out
Analog Inputs
8 channels single-ended
or 4 channels differential
Programmable gain
1, 2, 4, 5, 8, 10, 16, and 20 V/V
—
•
A/D Converter
Resolution
12 bits (11 bits single-ended)
•
A/D Conversion Time
(including 120 µs raw
count and Dynamic C)
180 µs
Auxiliary 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
5 shared high-speed, CMOS-compatible ports:
•
all 5 configurable as asynchronous (with IrDA), 4 as clocked serial (SPI),
and 1 as SDLC/HDLC
•
1 asynchronous clocked serial port dedicated for programming
•
1 clocked serial port dedicated for A/D converter (RCM4000)
Serial Rate Maximum asynchronous baud rate = CLK/8
Slave Interface
Slave port allows the RCM4000 to be used as an intelligent peripheral device
slaved to a master processor
Real Time Clock Yes