參數(shù)資料
型號: HD66300T
廠商: Hitachi,Ltd.
英文描述: Horizontal Driver for TFT-Type LCD Color TV(TFT型LCD彩色電視機(jī)水平驅(qū)動(dòng)器)
中文描述: 水平驅(qū)動(dòng)的TFT型液晶彩色電視(的TFT型液晶彩色電視機(jī)水平驅(qū)動(dòng)器)
文件頁數(shù): 25/64頁
文件大?。?/td> 702K
代理商: HD66300T
HD66300T
1476
Sampling Operation
The HD66300T has a bidirectional shift register composed of 120 bits and each bit of the shift register
generates the sampling pulses to control the sampling operation of the four sample and hold circuits
connected to each LCD drive signal output pin. When a bit of the shift register is 1, the corresponding
sample and hold circuits are in the sampling state; when it is 0, the corresponding sample and hold
circuits are in the hold state. Consequently, shifting a 1 into the shift register activates in turn the sample
and hold circuits corresponding to each LCD drive signal output pin.
Figure 11 is a shift register sketch illustrating the relationship between the shift register and the shift
clocks HCK1, HCK2, and HCK3. Note that the order of sampling pulse generation depends on the state
of pin SHL. D1 corresponds to DL and D120 to DR.
Figure 12 is a timing chart of sampling pulses generated by the shift register.
D1
SH1
D2
SH2
D3
SH3
D4
SH4
D117
SH117
D118
SH118
D119
SH119
D120
SH120
SR1
SR2
SR3
SR4
SR117 SR118 SR119 SR120
...........
...........
...........
...........
...........
DL
SHL
HCK1
HCK2
HCK3
DR shift register
Output pins
Sample and hold circuitry
Figure 11 Shift Register Sketch
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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