UPD16647 View Datasheet(PDF) - NEC => Renesas Technology

Part Name

Description

Manufacturer

UPD16647

402/384-OUTPUT TFT-LCD SOURCE DRIVER (64 GRAY SCALE)

NEC => Renesas Technology 

µ PD16647

5. RELATION BETWEEN INPUT DATA AND OUTPUT VOLTAGE

Data format : 6 bits x RGB (3 dots)

Input width : 18 bits (1 pixel data)

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

Output

S1

S2

S3

S4

…

S401/383

S402/384

Data

D00 to D05

D10 to D15

D20 to D25

D00 to D05

…

D10 to D15

D20 to D25

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

Output

S1

S2

S3

S4

…

S401/383

S402/384

Data

D00 to D05

D10 to D15

D20 to D25

D00 to D05

…

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.

Figure6–1. LCD panel driving waveform of µ PD16647

VDD2

Sn

VSS2

Write

(IVOL1/2/IVOH1/2)

1 horizontal period

Write

(IVOL1/2/IVOH1/2)

8

Data Sheet S13607EJ2V0DS00

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