hd66789 Renesas Electronics Corporation., hd66789 Datasheet - Page 72

• Manufacturer Part Number: hd66789
• Description: 528-channel, One-chip Driver For Amorphous Tft Panels With 262,144-color Display Ram, Power Supply Circuit, And Gate Circuit
• Manufacturer: Renesas Electronics Corporation.

HD66789
Operation modes and interfaces
Operation Mode
Internal operating clock only
(Displaying still pictures)
RGB interface (1)
(Displaying moving pictures)
RGB interface (2)
(Rewriting still pictures while
displaying moving pictures)
VSYNC interface
(Displaying moving pictures)
Note 1) the instruction register setting can be made only through a system interface.
Note 2) The RGB-I/F and VSYNC-I/F are not compatible with each other.
Note 3) Do not change the setting for RGB-I/F mode (RIM-0) while RGB I/F is in operation.
Note 4) See the “External Display Interface” section for the transition flow of each operation mode.
Note 5) In the RGB-I/F and VSYNC-I/F modes, write data in the high speed write mode (HWM = 1).
Rev.0.12, May 09 2003, page 72 of 156
System interface
System
RGB interface
RAM Access Setting
(RM)
System interface
(RM = 0)
RGB interface
(RM = 1)
System interface
(RM = 0)
System interface
(RM = 0)
Interfaces and HD66789
18/16/9/8
18/16/6
CSn*
RS
WR*
(RD*)
DB17-0
DOTCLK
VLD
ENABLE
VSYNC
HSYNC
PD17-0
HD66789
Display Operation Mode
(DM1-0)
Internal operating clock
(DM1-0 = 00)
RGB interface
(DM1-0 = 01)
RGB interface
(DM1-0 = 01)
VSYNC interface
(DM1-0 = 10)
Preliminary