User`s manual

62 RabbitCore RCM2100
Table A-1 lists the electrical, mechanical, and environmental specifications for the RCM2100 .
Table A-1. RCM2100 Specifications
Parameter RCM2100 RCM2110 RCM2120 RCM2130
Microprocessor
Rabbit
®
2000 at 22.1 MHz
Ethernet Port
10/100-compatible with 10Base-T
interface, RJ-45, 2 LEDs
None
Flash Memory Two 256K × 8 One 256K × 8 Two 256K × 8 One 256K × 8
SRAM 512K × 8 128K × 8 512K × 8 128K × 8
Backup Battery
Connection for user-supplied backup battery
(to support RTC and SRAM)
General-Purpose I/O
34 parallel I/0 lines grouped in
five 8-bit ports (and shared with
serial ports):
• 20 configurable I/O
• 8 fixed inputs
• 6 fixed outputs
40 parallel I/0 lines grouped in
five 8-bit ports (and shared with
serial ports):
• 26 configurable I/O
• 8 fixed inputs
• 6 fixed outputs
Additional Inputs 2 startup mode (for master/slave), reset
Additional Outputs Status, clock, watchdog, reset
Memory, I/O Interface 13 address lines, 8 data lines, I/O read/write, buffer enable
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
Maximum burst rate = CLK/32
Maximum sustained rate = CLK/64
Slave Interface
A slave port allows the RCM2100 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, 140 mA
Operating Temperature –40°C to +70°C –40°C to +85°C
Humidity 5% to 95%, noncondensing
Connectors Two IDC headers 2 × 20, 2 mm pitch
Board Size
2.00" × 3.50" × 0.86"
(51 mm × 89 mm × 22 mm)
2.00" × 3.50" × 0.5"
(51 mm × 89 mm × 13 mm)