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參數(shù)資料
| 型號： | HD66100FH |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | LCD Driver with 80-Channel Outputs |
| 中文描述： | 液晶顯示驅(qū)動器，80通道輸出 |
| 文件頁數(shù)： | 7/17頁 |
| 文件大小： | 111K |
| 代理商： | HD66100FH |
HD66100F
115
Block Functions
LCD Drive Circuits
Select one of four levels of voltage V1, V2, V3, and V4 for driving a LCD and transfer it to the output
terminals according to the combination of M and the data in the latch circuit.
Latch Circuit
Latches the data input from the bidirectional shift register at the fall of CL1 and transfer its outputs to the
LCD drive circuits.
Bidirectional Shift Register
Shifts the serial data at the fall of CL2 and transfers the output of each bit of the register to the latch
circuit. When SHL = GND, the data input from DI shifts from bit 1 to bit 80 in order of entry. On the
other hand, when SHL = V
CC
, the data shifts from bit 80 to bit-1. In both cases, the data of the last bit of
the register is latched to be output from DO at the rise of CL2.
LCD drive outputs
Latch circuit
Shift register
1 2
79 80
1 2
79 80
CL1
CL2
DI
DO
SHL = GND
Y1 Y2
Y79 Y80
LCD drive outputs
Latch circuit
Shift register
1 2
79 80
1 2
79 80
CL1
CL2
DO
DI
SHL = V
CC
Y1 Y2
Y79 Y80
Figure 3 Relation between SHL and the Shift Direction
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