HD66789 datasheet(93/156 Pages) RENESAS

Part #	HD66789

Description	528-channel, One-chip Driver for Amorphous TFT Panels with 262,144-color display RAM, Power Supply Circuit, and Gate Circuit

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Manufacturer	RENESAS [Renesas Technology Corp]

Direct Link	http://www.renesas.com

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93 / 156 page

HD66789

Preliminary

Rev.0.12, May 09 2003, page 93 of 156

VSYNC

ENABLE

DOTCLK

PD17-0

Transfer synchronization

2nd

Trans-

mission

1st

Trans-

mission

2nd

Trans-

mission

3rd

Trans-

mission

1st

Trans-

mission

2nd

Trans-

mission

3rd

Trans-

mission

6-bit data transmission synchronization

16-bit RGB interface

The 16-bit RGB interface is selected by setting RIM1-0 bits to 01. The display operation is synchronized

with VSYNC, HSYNC, and DOTCLK signals. Display data are transmitted to RAM in synchronization

with the display operation through 16-bit RGB data bus (PD17-13, 11-1) according to the data valid signal

(VLD), and the data enable signal (ENABLE).

The instructions are set only through a system interface.

LCDC

VSYNC

HSYNC

DOTCLK

C

VLD

ENABLE

HD66789

16

PD17-13,11- 1

2

GND

PD12,0

16-bit RGB interface

Input

R5

R4

R3

R2

R1

R0

G5

G4

G3

G2

G1

G0

B5

B4

B2

B1

B0

B3

Write data to

GRAM

One pixel

PD

17

PD

16

PD

15

PD

14

PD

13

PD

11

PD

10

PD

9

PD

8

PD

7

PD

6

PD

5

PD

4

PD

3

PD

2

PD

1

RAM data Write

Data format for 16-bit interface

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HD66789 Datasheet(PDF) 93 Page - Renesas Technology Corp

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