HD66781 Datasheet, PDF (187/196 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
Power-supply/display OFF (LPTS = 0: a-Si TFT panel, with HD66783)
Preliminary
Display OFF
(
EQW =0
2 frames
or more
Display OFF (1)
D1-0 = "2'h2"
Display OFF (2)
DTE = 0
) required
only when
equalization
function is
in use.
Display OFF (3)
GON = 0
Serial transfer
Display OFF (4)
D1-0="2'h0"
Power supply OFF Sequence
Instructions for setting
power supply OFF
Power-supply off setting bits
(HD66781)
SAP = 3'h0, AP = 3'h0
(HD66783)
VCOMG =0, AP = 3'h0
serial transfer
PON =0
see Note 2)
serial transfer
Power supply OFF
(Vcc, Vci, IOVcc,Vcc1)
The power-suppy must be turned on
in the order of Vcc(781), Vci, IOVcc,
Vcc1, Vcc(783) or
all power-supplies must be turned on
simultaneously.
Note 1) Do not set GON = 1 when D=2'h0
Note 2) Set PON = 0 after transferring the AP[2:0] = 3'h0 setting
to HD66783 when the power-supply is turned off.
Rev.0.5, July.31.2003, page 187 of 196