20-101-0673 Rabbit Semiconductor, 20-101-0673 Datasheet - Page 95

• Manufacturer Part Number: 20-101-0673
• Description: MODULE RABBITCORE RCM3610
• Manufacturer: Rabbit Semiconductor

Specifications of 20-101-0673

• Module/board Type: MPU Core Module
• Product: Microcontroller Modules
• Core Processor: Rabbit 3000
• Clock Speed: 22.1 MHz
• Interface Type: Serial
• Flash: 256 KB
• Timers: 10 x 8 bit, 1 x 10 bit
• Operating Supply Voltage: 3 V to 3.6 V
• Board Size: 31 mm x 54 mm x 16 mm
• Core: RCM3610
• Processor Series: RCM3600
• For Use With/related Products: RCM3610
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 316-1103

C.2 Contrast Adjustments for All Boards
Starting in 2005, LCD/keypad modules were factory-configured to optimize their contrast
based on the voltage of the system they would be used in. Be sure to select a KDU3V
LCD/keypad module for use with the RCM3600 Prototyping Board — these modules
operate at 3.3 V. You may adjust the contrast using the potentiometer at R2 as shown in
Figure C-3. LCD/keypad modules configured for 5 V may be used with the 3.3 V
RCM3600 Prototyping Board, but the backlight will be dim.
You can set the contrast on the LCD display of pre-2005 LCD/keypad modules by adjust-
ing the potentiometer at R2 or by setting the voltage for 3.3 V by connecting the jumper
across pins 3–4 on header J5 as shown in Figure C-3. Only one of these two options is
available on these LCD/keypad modules.
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 not work with the
RCM3600 Prototyping Board. The older LCD/keypad modules are no longer being sold.
Figure C-3. LCD/Keypad Module Voltage Settings
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