User`s manual

40 RabbitCore RCM2300
Table A-1 lists the electrical, mechanical, and environmental specifications for the RCM2300.
Table A-1. RabbitCore RCM2300 Specifications
Parameter Specification
Microprocessor
Rabbit 2000
®
at 22.1 MHz
Flash Memory 256K
SRAM 128K
Backup Battery
Connection for user-supplied backup battery
(to support RTC and SRAM)
General-Purpose I/O
*
* 15 additional I/O are available via less convenient 0.03" diameter through-hole connection points
29 parallel I/0 lines grouped in five 8-bit ports (shared with serial ports):
• 17 configurable I/O
• 8 fixed inputs
• 4 fixed outputs
Additional Inputs 2 startup mode, reset
Additional Outputs Status, reset
Memory I/O Interface
4 address lines, 8 data lines, I/O read/write
(extra address and buffer enable via separate connections)
Serial Ports
Four 5 V CMOS-compatible ports.
Two ports are configurable as clocked ports, one is a dedicated RS-232
programming port.
Serial Rate
Max. burst rate = CLK/32
Max. sustained rate = CLK/64
Slave Interface
A slave port allows the RCM2300 to be used as an intelligent peripheral
device slaved to a master processor, which may either be another Rabbit
2000 or any other type of processor
Real-Time Clock Yes
Timers
Five 8-bit timers cascadable in pairs, one 10-bit timer with 2 match registers
that each have an interrupt
Watchdog/Supervisor Yes
Power 4.75 V to 5.25 V DC, 108 mA
Operating Temperature –40°C to +85°C
Humidity 5% to 95%, noncondensing
Connectors Two IDC headers 2 × 13, 2 mm pitch
Board Size
1.15" × 1.60" × 0.55"
(29 mm × 41 mm × 14 mm)