UPD16732AN-XXX 데이터 시트보기 (PDF) - NEC => Renesas Technology

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UPD16732AN-XXX

384-OUTPUT TFT-LCD SOURCE DRIVER (COMPATIBLE WITH 64-GRAY SCALES)

NEC => Renesas Technology 

µ PD16732A, 16732B

8. RELATIONSHIP BETWEEN STB, CLK, AND OUTPUT WAVEFORM

The output voltage is written to the LCD panel synchronized with the STB falling edge.

DAC

Figure 8−1. Output Circuit Block Diagram

Output Amp

-

+

SW1

VOUT

VAMP(IN)

CLK

(External Input)

Figure 8−2. Output Circuit Timing Waveform

[1]

[2]

STB

(External Input)

SW1 : ON

SW1 : OFF

SW1 : ON

VAMP(IN)

VOUT

(External Output)

Output

Hi-Z

Output

Remarks 1. STB = L : SW1 = ON

STB = H : SW1 = OFF

2. STB = “H” is acknowledged at timing [1].

3. The display data latch is completed at timing [2] and the input voltage

(Vamp (in) : gray-scale level voltage) of the output amplifier changes.

10

Data Sheet S13972EJ3V0DS00

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