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參數(shù)資料
| 型號(hào)： | HD66135T |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | 120-Channel High-Voltage Common Driver for a Dot-Matrix STN Liquid Crystal Display(點(diǎn)陣STN LCD的高電壓120通道驅(qū)動(dòng)器) |
| 中文描述： | 120通道高電壓共同驅(qū)動(dòng)的點(diǎn)矩陣STN液晶顯示器（點(diǎn)陣STN液晶顯示器的高電壓120通道驅(qū)動(dòng)器） |
| 文件頁(yè)數(shù)： | 5/12頁(yè) |
| 文件大?。?/td> | 91K |
| 代理商： | HD66135T |
HD66135T
5
Pin Functions
Table 1
Pin Functions
Classification
Power supply
Symbol
VLCDL
VLCDR
VEEL
VEER
V
GND
VHL
VHR
VLL
VLR
VML
VMR
Pin No. Pin Name
137
124
136
125
128
131
GND
138
123
140
121
139
122
VMR
Input/
Output
—
Function
VLCDL, VLCDR
–
VEEL, VEER:
LCD drive power supply
VCC
–
GND: Logic power supply
VLCDL
VLCDR
VEEL
VEER
VCC
VHL
VHR
VLL
VLR
VML
Input
LCD drive voltage level
VHL, VHR: Selection level (equivalent to
VLCDL and VLCDR levels)
VLL, VLR: Selection level (equivalent to
VEEL and VEER levels)
VML, VMR: Non-selection level
Inputs data shift clock pulses for the shift
register. At the falling edge of each CL
pulse, the shift register shifts the data input.
Changes the LCD drive outputs to AC.
Selects the data-shift mode. (CH = low: 120-
output mode, CH = high: 60
×
2-output mode)
Selects the data-shift direction as shown in
Table 2.
Control signal
CL
130
Clock
Input
M
CH
132
127
M
CH
Input
Input
SHL
133
Shift left
Input
DIO1
135
Data
Input/
output
Serial input/output (shift-register-data
input/output). This pin is used for serial input
when SHL is high, and for serial output when
SHL is low.
Serial input/output (shift-register-data
input/output). This pin is used for serial input
when SHL is low, and for serial output when
SHL is high.
Serial input (shift-register-data input). In the
60
×
2-output mode, shift register data is
input to pins X61 to X120 in serial when SHL
is high, and to pins X1 to X60 in serial when
SHL is low. This pin must be connected to
GND when not used.
Pins X1 to X120 are set at level VM by
connecting this pin to GND. Registers are
not cleared.
Output One of three levels VH, VL, and VM is output
according to the combination of the M signal
and display data when the
',63
pin is
connected to V
CC
. See figure 3.
DIO2
126
Data
Input/
output
DI
129
Data
Input
',63
134
Disp off
Input
LCD drive
output
X1 to
X120
1 to 120 X1 to
X120
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