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參數(shù)資料
| 型號(hào)： | HD66523R |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | 240-Channel Common Driver with Internal LCD Timing Circuit(帶內(nèi)部LCD定時(shí)電路的240通道驅(qū)動(dòng)器) |
| 中文描述： | 240頻道共同的內(nèi)部LCD定時(shí)電路（帶內(nèi)部液晶定時(shí)電路的240通道驅(qū)動(dòng)器驅(qū)動(dòng)程序） |
| 文件頁(yè)數(shù)： | 7/30頁(yè) |
| 文件大?。?/td> | 139K |
| 代理商： | HD66523R |
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HD66523R
7
Pin Description
Classi-
fication
Power
supply
Symbol
V
CC
Pin Name
V
CC
I/O
Power
supply
Power
supply
Power
supply
Power
supply
—
—
—
I
Number
of pins
1
Functions
V
CC
–GND: logic power supply
GND
GND
1
VLCD1,
VLCD2
V
EE1
, V
EE2
VLCD
2
Power supply for LCD driving circuit
V
EE
2
VRH1, VRH2
VM1, VM2
VRL1, VRL2
M/
S
VRH
VM
VRL
Master/
Slave
Duty
2
2
2
1
LCD drive level power supply
Control
signals
Select master or slave mode.
DUTY
I
1
Selects the display duty cycle.
Low level: 1/200 display duty ratio
High level:1/240 display duty ratio
Set vertical retrace period
BP4 to BP0
Blanking
period
Display off
control
Display off
I
5
DOC
I/O
1
Control the display-off function.
DISPOFF
I
1
Turn off the LCD.
During display off, all LCD driver output VM
level
Pin SHL switches the shift direction of the
scanning direction.
Reset the LSI internally.
Oscillator with external resistor and capacitor
Test pins, must be connected to GND.
The bidirectional shift register shifts data at
the falling edge of CL1.
During master mode, this pin outputs a data
transfer clock with a two times larger cycle
than the internal oscillator (or the cycle of the
external clock) with a duty of 50%.
During slave mode, this pin inputs the
external data transfer clock.
During master mode, pin FLM outputs the
first line marker signal.
During slave mode, this pin inputs the
external data first line marker signal.
Output scanning function signals during
master mode. Input scanning function signals
during slave mode.
This pin shows vertical retrace period.
Select one from among three levels, VRH,
VM and VRL.
SHL
Shift left
I
1
RESET
CR, C, R
TEST1, TEST0 Test
CL1
Reset
Oscillator
I
—
I
I/O
1
3
2
1
LCD
timing
Clock 1
FLM
First line
marker
I/O
1
FX1, FX0
Scanning
function
I/O
2
BLANK
X1 to X240
Blank
X1 to X240
O
O
1
240
LCD drive
output
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