參數(shù)資料
型號(hào): KS0090i
廠商: SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述: Driver & Controller for Dot Matrix LCD(點(diǎn)陣LCD的驅(qū)動(dòng)器和控制器)
中文描述: 驅(qū)動(dòng)程序
文件頁(yè)數(shù): 7/45頁(yè)
文件大小: 685K
代理商: KS0090I
26COM/64SEG DRIVER & CONTROLLER FOR DOT MATRIX LCD
KS0090i
7
Preliminary
PIN DESCRIPTION
Table 1. Pin Description
Name
I/O
Description
Power Supply
V
DD
Power
Power supply. Connect to MPU power supply pin.
V
SS
0 V (GND)
V0
V1
V2
V3
V4
I/O
Bias voltage level for LCD driving.
Voltages have the following relationship;
V0
V1
V2
V3
V4
V
SS
When the built-in power circuit is on, the following voltages are given to pin V1 to
V4 using internal 1/5 bias resistors.
LCD Driver Supply
CAP1+
O
Capacitor1+ connecting pin for the internal voltage converter.
This pin connects the capacitor with CAP1
.
CAP1
Capacitor1
connecting pin for the internal voltage converter.
This pin connects the capacitor with CAP+.
CAP2+
Capacitor2+ connecting pin for the internal voltage converter.
When VOUT is 2 times boosting, this pin connects the capacitor with V
DD.
When 3 times boosting, this pin connects the capacitor with CAP2
.
CAP2
Capacitor2
connecting pin for the internal voltage converter.
When VOUT is 2 times boosting, this pin is not used.
When 3 times boosting, this pin connects the capacitor with CAP2+
.
VOUT
I/O
2 or 3 times DC/DC voltage converter output.
This pin connects a capacitor with V
DD
pin.
VR
I
Voltage adjust pin. This pin gives a voltage between V0 and Vss by resistance-
division of voltage.
LCD Bias
V1
V2
V3
V4
(1/5) Bias
(4/5) V0
(3/5) V0
(2/5) V0
(1/5) V0
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