HD66773R datasheet(39/133 Pages) RENESAS

39 / 133 page

HD66773R

Rev.1.10, Jun.21.2003, page 39 of 133

REV: When REV = 1, a reverse display is shown. Inverting the grayscale levels allows the display of

same data on both normally white and normally black panels. The source output level is as follows.

Combination with partial display

Source output level

non-display area

Display area

PT1-0 = (0.*)

PT1-0= (1.0)

PT1-0 = (1.1)

REV

GRAM

data

VCOM =“L”

VCOM =”H”

VCOM=“L”

VCOM=”H”

VCOM =“L”

VCOM =“H”

VCOM =“L”

VCOM =“H”

16’h0000

16’hFFFF

V31

GND

Hi-z

16’h0000

16’hFFFF

V31

GND

Hi-z

Combination with D1-0 bits

Source output level

D1-0 = (1.1)

D1-0 = (1.0)

D1-0 = (0.1)

D1-0 = (0.0)

REV

GRAM

data

VCOM =“L”

VCOM =“H”

VCOM =“L”

VCOM =“H”

VCOM =“L”

VCOM =“H”

VCOM =“L”

VCOM =“H”

16’h0000

16’hFFFF

V31

GND

16’h0000

16’hFFFF

V31

GND

GON: When GON = 0, the gate-off level is VGH.

D1–0: The graphics display is on when D1 = 1, and off when D1 = 0. When setting D1 = 0, the data are

retained in GRAM. This means the graphics is instantly redisplayed when setting D1 to 1. When D1 is 0

(i.e., the display is off) all the source outputs are set to the GND level. This reduces the charged/discharged

current during liquid crystal AC drive.

When D1-0 = 01, the HD66773R continues internal display operation, even while the external display is

off. When D1-0 = 00, both internal and external display operation are halted.

In combination with GON and DTE bits, D1-0 bits control ON/OFF of display. For details, see “Instruction

Setting Flow”.

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