20-101-1067 Rabbit Semiconductor, 20-101-1067 Datasheet - Page 109
20-101-1067
Manufacturer Part Number
20-101-1067
Description
MODULE RABBITCORE RCM3305
Manufacturer
Rabbit Semiconductor
Datasheet
1.20-101-1068.pdf
(160 pages)
Specifications of 20-101-1067
Module/board Type
MPU Core Module
Product
Microcontroller Modules
Flash
512 KBytes
Timers
10 bit
Operating Supply Voltage
3.15 to 3.45 V
Board Size
47 mm x 69 mm x 22 mm
For Use With/related Products
RCM3305
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
316-1113
Available stocks
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Part Number
Manufacturer
Quantity
Price
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C.2 Contrast Adjustments for All LCD/Keypad Modules
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 Prototyping Board for the RCM3305/RCM3315 —
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 RCM3300 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
Prototyping Board for the RCM3305/RCM3315. The older LCD/keypad modules are
no longer being sold.
Figure C-3. LCD/Keypad Module Contrast Adjustments
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