LC79431D 데이터 시트보기 (PDF) - SANYO -> Panasonic
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LC79431D Datasheet PDF : 5 Pages
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Pin Descriptions
Pin No
90
92
84
87
86
Pin name
VDD
VSS
VEE
V1
V2
85
V5
96
CP
98
DIO1
82
DIO80
91
RS/LS
Input/Output
Power supply
Power supply
Input
Input/Output
Input/Output
Input
94
M
89
DISP OFF
1
O1
Input
Input
Output
80
O80
LC79431D
Functions
VDD to VSS: Power supply for logic block
VDD to VEE: Power supply for LCD drive block
LCD drive level power supply
V1 to VEE
V2 to V5
: Select level
: Nonselect level
Bidirectional shift register’s shift clock (triggering on the trailing edge)
RS/LS Data Transfer Direction
L(Shift right)
O1 → O80
H (Shift left)
O80 → O1
DIO1
IN
OUT
DIO80
OUT
IN
LCD drive output alternating signal
O1 to O80 output controlling input pin
LCD drive output
The combination of scanning data, M signal, and DISP OFF signal can be
used to create output levels as shown below.
M
Data
DISP OFF
L
L
H
L
H
H
H
L
H
H
H
H
*
*
L
* Don’t care (To be set to either “H” or “L”)
Output
V2
VEE
V5
V1
V1
No. 4349-4/5
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