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参数资料
型号： 20-101-1067
厂商： Rabbit Semiconductor
文件页数： 12/160页
文件大小： 0K
描述： MODULE RABBITCORE RCM3305
标准包装： 1
系列： RabbitCore®
模块/板类型： MPU 核心模块
适用于相关产品： RCM3305
其它名称： 316-1113
User’s Manual
103
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.
Figure C-3. LCD/Keypad Module Contrast Adjustments
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.
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.
C2
R2
R1
C3
D2 C1
D1
C5 U2
JP1
R3
U1
C4
C10
CR1
R6
C13
C12
R7
R8
R25
R26
R11
R13
R14
R10
R9
R12
R15
R18
Q8
R16
Q5
R21
Q2
U5
J2
DISPLAY
BOARD
J4
KP1
R17 Q4
R22
Q6
R23
Q7
R20
Q3 R19
U7 C14
R24 C15
C16
U6
U4
C7
C9
U3
LCD1
C11
R4
R5
C6
J1
Q1
J5
C17
RN1
J5
LP3500
2.8 V
OTHER
3.3 V
1
2
3
4
n.c. = 5 V
LCD/Keypad Module Jumper Configurations
Header
Description
Pins
Connected
Factory
Default
J5
2.8V
3.3V
5V
12
34
n.c.
×
J5
1
2
3
4
Part
No.
101-0541
Contrast
Adjustment
相关PDF资料
PDF描述
046232116015800+ CONN FFC/FPC 16POS 1MM VERT SMD
046232108103800+ CONN FFC/FPC 8POS 1MM R/A SMD
345-030-521-202 CARDEDGE 30POS DUAL .100 GREEN
345-030-521-201 CARDEDGE 30POS DUAL .100 GREEN
345-030-520-804 CARDEDGE 30POS DUAL .100 GREEN
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