UPD16640CN データシートの表示（PDF） - NEC => Renesas Technology

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UPD16640CN

300/309-OUTPUT TFT-LCD SOURCE DRIVER (64 GRAY SCALE)

NEC => Renesas Technology 

µ PD16640C

5. RELATIONSHIP BETWEEN INPUT DATA AND OUTPUT PIN

Data format : 6 bits x RGB(3 dots)

Input width : 18 bits

(1) R,/L = H (right shift)

Output

S1

S2

S3

…

S308

S309

Data

D00 to D05 D10 to D15 D20 to D25

…

D10 to D15 D20 to D25

(2) R,/L = L (left shift)

Output

S1

S2

S3

…

S299

S300

Data

D00 to D05 D10 to D15 D20 to D25

…

D10 to D15 D20 to D25

6. OPERATION OF OUTPUT BUFFER

The output buffer consists of an operational amplifier circuit that does not perform precharge operation.

Therefore, driver output current IVOH1/2 is the charging current to the LCD, and IVOL1/2 is the discharging current.

Figure 6-1. LCD Panel Driving Waveform

VDD2

Sn

VSS2

Write

(IVOL1/2/IVOH1/2)

1 horizontal period

Write

(IVOL1/2/IVOH1/2)

8

Data Sheet S11269EJ1V1DS00

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