S6A2067 Datasheet, PDF (6/10 Pages) Samsung semiconductor – 80 SEGMENT DRIVER FOR DOT MATRIX LCD

S6A2067
80 SEGMENT DRIVER FOR DOT MATRIX LCD
PIN DESCRIPTION
PIN (NO.) I/O
Name
Description
VDD(42) _{Power Operating Voltage}
For logical circuit (2.7 - .5V)
VSS(GND)(36)
0V (GND)
VEE(31)
Negative Supply
Voltage
For LCD driver circuit
V1, V2
(32, 33)
Input LCD driver output
voltage level
Bias voltage level for LCD drive (Select level)
V3, V4
(34,35)
Input
Bias voltage level for LCD drive (Non-select level)
S1 - S40 Output Part 1 LCD driver LCD driver output
SHL1(38) Input
Data Interface Selection of the shift direction of shift register
SHL1
VDD
VSS
DL1
OUT
IN
DR1
IN
OUT
DL1, DR1
(44,45)
Input
Output
Data Input/output of shift register (part 1)
S41 - S80
SHL2 (39)
Output Part 2 LCD driver LCD driver output
Input
Data Interface Selection of the shift direction of shift register
SHL2
VDD
VSS
DL2
OUT
IN
DR2
IN
OUT
DL2, DR2
(46,47)
Input
Output
Data Input/output of shift register (part 2)
M(48)
CL1, CL2
(37,43)
NC
(40,41,49,50)
Input
Input
Alternated signal for
LCD driver output
Data shift/
latch clock
The alternating signal to convert LCD drive
waveform to AC
CL1 : Data latch clock
CL2 : Data shift clock
No connection
Interface
Power
Supply
Power
LCD
VDD or VSS
Controller or
S6A2067/
S6A0065
LCD
VDD or VSS
Controller or
S6A2067/
S6A0065
Controller
NC
6