HD66781 Datasheet, PDF (185/196 Pages) Renesas Technology Corp – 720-channel Source Driver for a-Si TFT/Low Temperature Poly-Si TFT Panels with 262,144-color display RAM

HD66781
Preliminary
Instruction Setting
The following flowcharts show the sequences with respect to power on/off of the combined use of
HD66781 and HD66783 or HD667P21, display on/off, standby set/release, and sleep set/release.
Whenever turning on or off the power supply and so on, it must be done in accordance to the following
procedures.
A serial interface is used to make instruction settings to the HD66783 and HD667P21, where a serial
transfer is always required. The serial transfer must be made in accordance to the serial transfer sequence
and right after the instructions are set.
Timing of the instruction setting is necessary to take into consideration the delay of 16-cycle internal clocks
(OSC) from the start of serial transfer from the HD66781 through TE and IDX2-0 before each of the
following mode settings becomes effective on the HD66783 and HD667P21.
Rev.0.5, July.31.2003, page 185 of 196