hd66789 Renesas Electronics Corporation., hd66789 Datasheet - Page 123

• 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
To switch between the 262, 144-color mode and the 8-color mode, make settings according to the following
sequences.
Rev.0.12, May 09 2003, page 123 of 156
Wait (40 msec or more)
Wait (2 frame or more)
Wait (2 frame or more)
Wait (2 frame or more)
262,144 to 8 colors
Wait (2H or longer)
in 8-color mode
Setting of RAM
D1-0 = “10”
D1-0 = “00”
D1-0 = “10”
D1-0 = “01”
D1-0 = “11”
D1-0 = “11”
Displaying
Display off
GON = “1”
Display off
GON = “0”
Display off
GON = “1”
DTE = “0”
DTE = “0”
Display on
GON = “0”
Display on
Display on
Display on
D1-0 = 01
DTE = “1”
DTE = “0”
GON =”1”
DTE = “0”
GON =”1”
DTE = “1”
GON = 1
CL = “1”
DTE = 0
Wait (2 frame or more)
Wait (40 msec or more)
Wait (2 frame or more)
in 262,144-color mode
Wait (2 frame or more)
Wait (2H or longer)
8 to 22,144 colors
Setting of RAM
D1-0 = “10”
D1-0 = “00”
D1-0 = “10”
D1-0 = “01”
D1-0 = “01”
D1-0 = “11”
D1-0 = “11”
Display off
GON = “1”
Display off
GON = “0”
Display off
Display on
GON = “0”
Display on
Display on
GON = “1”
Display on
Displaying
DTE = “0”
DTE = “0”
GON =”1”
DTE = “1”
DTE = “0”
GON =”1”
DTE = “0”
DTE = “0”
GON =”1”
DTE = “1”
CL = “0”
Preliminary