KS0070B データシートの表示（PDF） - Samsung
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KS0070B Datasheet PDF : 42 Pages
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KS0070B
16COM / 80SEG DRIVER & CONTROLLER FOR DOT MATRIX LCD
PAD DESCRIPTION
Pad No.
(Normal/Mirror)
VDD (54/50)
VSS(35, 69)
V1 ~ V5
(42~46/62~58)
SEG1 ~ SEG80
(34~2, 128~82/
70~128, 2~22)
COM1 ~ COM16
(66~81/38~23)
OSC1,OSC2
(37,36/67,68)
CLK1,CLK2
(47,48/57,56)
M (49/55)
D (50/54)
RS (51/53)
RW (52/52)
E (53/51)
DB0~DB3
(55~58/49~46)
DB4~DB7
(59~62/45~42)
TEST (63/41)
Input/
Output
-
Output
Output
Input
(OSC1)/
Output
(OSC2)
Output
Output
Output
Input
Input
Input
Input
/
Output
Input
Name
Power supply
Segment output
Common output
Oscillator
Extension driver
Latch (CLK1)/Shift
(CLK2) clock
Alternated signal
for LCD driver
output
Display data
interface
Register select
Read/Write
Read/Write enable
Data bus 0~7
Test Pin
Description
For logical circuit (+3 V, + 5 V)
0 V (GND)
Bias voltage level for LCD driving.
Segment signal output for LCD drive.
Common signal output for LCD drive.
When using internal oscillator, connect
external Rf resistor.
If external clock is used, connect it to
OSC1.
Each outputs extension driver latch clock
and extension driver shift clock.
Outputs the alternating signal to convert
LCD driver waveform to AC.
Output extension driver data (the 41st
dot's data)
Used as register selection input.
When RS = "1", Data register is selected.
When RS = "0", Instruction register is
selected.
Used as read/write selection input. When
RW = "1", read operation. When RW =
"0", write operation.
Used as read. Write enable signal.
When 8-bit bus mode, used as low order
bidirectional data bus.
During 4-bit bus mode open these pins.
When 8-bit bus mode, used as high
order bidirectional data bus. In case of
4-bit bus mode, used as both high and
low order.
DB7 used for Busy Flag output.
This pin must be fixed to VDD or open.
Interface
Power
Supply
LCD
LCD
External
resistor/
oscillator
(OSC1)
Extension
driver
Extension
driver
Extension
driver
MPU
MPU
MPU
MPU
MPU
–
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