MSM6222B-xx OKI, MSM6222B-xx Datasheet - Page 5
MSM6222B-xx
Manufacturer Part Number
MSM6222B-xx
Description
DOT MATRIX LCD CONTROLLER WITH 16 DOT COMMON DRIVER AND 40 DOT SEGMENT DRTVER
Manufacturer
OKI
Datasheet
1.MSM6222B-XX.pdf
(45 pages)
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PIN DESCRIPTIONS
R/W
RS
E
DB
OSC
COM
SEG
DO
CP
L
DF
V
GND
V
DD
1
, V
0
Symbol
1
1
- DB
1
2
, OSC
- SEG
, V
- COM
3
7
, V
2
40
4
16
, V
5
Read/write selection input pin.
"H" : Read, and "L" : Write
Register selection input pin.
"H" : Data register, and "L" : Instruction register
Input pin for data input/output between CPU and MSM6222B-xx and for instruction
register activation.
Input/output pins for data send/receive between CPU and MSM6222B-xx.
Clock oscillating pins required for internal operation upon receipt of the LCD drive signal
and CPU instruction.
LCD COMMON signal output pins.
LCD SEGMENT signal output pins.
Output pin to be connected to MSM5259 to expand the number of characters to be
displayed.
Clock output pin used when DO pin data output shifts inside of MSM5259.
Clock output pin for the serially transferred data to be latched to MSM5259.
The alternating current signal (Display Frequency) output pin.
Power supply pin.
Ground pin.
Bias voltage input pins to drive the LCD.
Description
MSM6222B-xx
5/45
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