Renesas R61509V ユーザーズマニュアル

Rev. 0.11 April 25, 2008, page 121 of 181  

 

The R61509V supports the RGB interface.  The interface format is set by RM[1:0] bits.  The internal RAM 
is accessible via RGB interface. 

RIM 

RGB Interface 

DB Pin 

0 

18-bit RGB interface 

DB17-0 

1 

16-bit RGB interface 

DB17-13, DB11-1 

Note: 

Using multiple interface at a time is prohibited. 

 

The display operation via RGB interface is synchronized with VSYNCX, HSYNCX, and DOTCLK.  The 
data can be written only within the specified area with low power consumption by using window address 
function.  In RGB interface operation, front and back porch periods must be made before and after the 
display period. When RGB interface is used, instructions should be transferred via clock synchronous serial 
interface. RGB and 80-system bus interfaces cannot be used simultaneously. 

VSYNCX

1. The front porch period continues until next VSYNCX input is detected.    

2. Make sure to match the VSYNCX, HSYNCX, and DOTCLK frequencies to the resolution of liquid crystal panel.

Moving picture

display area

Display period (NL)

Back porch period (BP)

Front porch period (FP)

Notes:

Back porch period (BPP):
Front porch period (FPP):

Display period:
The number of lines for one frame:

14H 

҈ BP  ҈

 2H

14H 

҈ FP ҈

 2H

FP + BP 

҇ 16H

NL 

҇

 432H

FP + NL + BP

 

VSYNCX: Frame synchronization signal
HSYNCX: Line synchronization signal  
DOTCLK: Dot clock 
ENABLE: Data enable signal 
DB 17-0: RGB (6:6:6) display data  

HSYNCX

DOTCLK

ENABLE (H)

DB17-0

ENABLE (V)