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參數(shù)資料
| 型號： | LH168R |
| 廠商： | Sharp Corporation |
| 英文描述： | 384-output TFT-LCD Source Driver IC |
| 中文描述： | 384輸出的TFT - LCD驅(qū)動器IC |
| 文件頁數(shù)： | 4/19頁 |
| 文件大?。?/td> | 193K |
| 代理商： | LH168R |
LH168R
4
BLOCK
FUNCTION
Shift Register
Used as a bi-directional shift register which performs the shifting operation by CK and
selects bits for data sampling.
Used to temporary latch the input data which is sent to the sampling memory.
Used to sample the data to be entered by time sharing.
Used for latch processing of data in the sampling memory by LS input.
Used to shift the data in the hold memory to the power supply level of the analog circuit
unit and sends the shifted data to DA converter.
Data Latch
Sampling Memory
Hold memory
Level Shifter
Reference Voltage
Generation Circuit
Used to generate a gamma-corrected 256 x 2-level voltage by the resistor dividing circuit.
DA Converter
Used to generate an analog signal according to the display data and sends the signal to
the output circuit.
Used as a voltage follower, configured with an operational amplifier and an output buffer,
which outputs analog signals of 256 x 2 gray scales to LCD drive output pin.
Output Circuit
INPUT/OUTPUT CIRCUITS
I
V
CC
GND
To Internal Circuit
Fig. 1 Input Circuit (1)
Applicable pins
CK, LS, REV, LBR,
XA
0
-XA
7
, XB
0
-XB
7
,
YA
0
-YA
7
, YB
0
-YB
7
,
ZA
0
-ZA
7
, ZB
0
-ZB
7
I
V
CC
GND
GND
To Internal Circuit
Fig. 2 Input Circuit (2)
Applicable pins
POLA, POLB
FUNCTIONAL OPERATIONS OF EACH BLOCK
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