參數(shù)資料
型號: UPD16772A
廠商: NEC Corp.
英文描述: 480-OUTPUT TFT-LCD SOURCE DRIVER COMPATIBLE WITH 64-GRAY SCALES
中文描述: 480輸出的TFT - LCD源驅(qū)動程序完全兼容64灰度
文件頁數(shù): 10/20頁
文件大?。?/td> 122K
代理商: UPD16772A
Data Sheet S14725EJ1V0DS00
10
μ
PD16772A
8. RELATIONSHIP BETWEEN STB, CLK AND OUTPUT WAVEFORM
The output voltage is written to the LCD panel synchronized with the STB falling edge.
Figure 8–1. Output Circuit Block Diagram
DAC
+
Output Amp
SW1
S
n
(V
OUT
)
V
AMP(IN)
-
Figure 8–2. Output Circuit Timing Waveform
STB
(External Input)
(V
OUT
: External output)
S
n
CLK
(External Input)
V
AMP(IN)
Hi-Z
Output
Output
SW1 : ON
SW1 : OFF
SW1 : ON
[1]
[2]
Remarks 1.
STB = L : SW1 = ON
STB = H : SW1 = OFF
2.
STB = “H” is acknowledged at timing [1].
3.
The display data latch is compensated at timing [2] and the input voltage (V
AMP(IN)
: gray-
scale level voltage) of the output amplifier changes.
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