hd66765 Renesas Electronics Corporation., hd66765 Datasheet - Page 63

• Manufacturer Part Number: hd66765
• Description: 396-channel Segment Driver With Internal Ram For 4096-color Displays - Hitachi Semiconductor
• Manufacturer: Renesas Electronics Corporation.

Instruction Setting Flow
When the common driver HD66764 is used, follow the below about each instruction setting. The
instruction setting for the common driver is executed by the serial interface. When the instruction for the
common driver is set, the serial transfer must be executed to the common driver. The transfer to the
common driver must be executed immediately after the instruction set.
Follow the below serial transfer flow about each setting and then transfer must be executed.
Display off (D1 to 0 = 00)
Power off (AP1 to 0 = 00)
Display on (D1 to 0 = 10)
Display on (D1 to 0 = 11)
Wait at least one frame
Duty setting, etc.
[Display on/off]
[Partial setting]
Serial transfer
Serial transfer
Serial transfer
Serial transfer
Power setting
Partial setting
[Duty setting]
Note: For more information on the flow for power settings, refer to the common-driver data sheet.
Display
off
Display
on
Figure 47 Instruction Setting Flow
Standby cancel (STB = "0")
Standby set (STB = "1")
Oscillation start
Display off flow
Display on flow
Power setting
Wait 10 ms
[Standby]
63
Standby
set
Standby
cancel
Sleep cancel (SLP = "0")
Sleep set (SLP = "1")
Power setting flow
Display off flow
Display on flow
Serial transfer
Serial transfer
[Sleep]
HD66765
Sleep
set
Sleep
cancel