20-101-0522 Rabbit Semiconductor, 20-101-0522 Datasheet - Page 47

• Manufacturer Part Number: 20-101-0522
• Description: MODULE RABBITCORE RCM3220
• Manufacturer: Rabbit Semiconductor

Specifications of 20-101-0522

• Module/board Type: MPU Core Module
• Product: Microcontroller Modules
• Core Processor: Rabbit 3000
• Clock Speed: 44.2 MHz
• Interface Type: Ethernet, Serial
• Flash: 512 KB
• Timers: 10 x 8 bit, 1 x 10 bit
• Operating Supply Voltage: 3.15 V to 3.45 V
• Board Size: 69 mm x 47 mm x 22 mm
• Core: RCM3220
• Processor Series: RCM3200
• For Use With/related Products: RCM3220
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 316-1098

C.2 Contrast Adjustments for All Boards
Depending on when you acquired your LCD/keypad module, you will be able to set the
contrast on the LCD display by adjusting the potentiometer at R2 or by setting the voltage
for 5 V by not using the jumper across any pins on header J5 as shown in Figure C-2. Only
one of these two options is available on a given LCD/keypad module.
User’s Manual
NOTE: Older LCD/keypad modules that do not have a header at J5 or a contrast adjust-
ment potentiometer at R2 are limited to operate only at 5 V, and will work with the
Prototyping Board. The older LCD/keypad modules are no longer being sold.
Figure C-2. LCD/Keypad Module Voltage Settings
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