UPD161401WSLASHP datasheet(67/126 Pages) RENESAS

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Data Sheet S15726EJ2V0DS

µµµµPD161401

6.2 Control Register 2 (R1)

This command specifies the general operation mode of the

µPD161401.

/RD

R,/W

/WR

FDM

BMOD

DTY

INC

XDIR

YDIR

FDM

Sets all screen display modes.

0: Normal operation

1: All screen display (Turns ON all screens [outputs grayscale level 16 to all screens].)

BMOD

Selects data length when parallel data is input.

0: 16-bit data bus

1: 8-bit data bus

DTY

0: Main duty display mode

1: Sub-duty display mode

INC Note

0: Increments/decrements X address each time it is accessed.

1: Increments/decrements Y address each time it is accessed.

XDIR Note

Specifies the direction in which the X address is to be accessed.

0: Increment (+1)

1: Decrement (-1)

YDIR Note

Specifies the direction in which the Y address is to be accessed.

0: Increment (+1)

1: Decrement (-1)

Note If the access direction is changed by INC, XDIR, or YDIR, be sure to set the X address register (R4) and Y

address register (R5) before accessing the display RAM.

Table 6

−−−−3. Relationship between Functions of µµµµPD161401 and Display Mode

Display Setting

Main Duty Display (DTY = 0)

Sub-duty Display (DTY = 1)

Duty

Main duty setting register (R14)

Sub-duty setting register (R17)

N-line inversion

Main duty N-line inversion register (R15)

Sub-duty N-line inversion register (R18)

M-line shift

Main duty M-line shift register (R16)

Sub-duty M-line shift register (R19)

VLCD adjustment

Power system control register 2 (R53)

VRR3 to VRR0

Power system control register 2 (R53)

SVR3 to SVR0

Bias value

Power system control register 3 (R54)

BIS2 to BIS0

Power system control register 3 (R54)

SBIS to SBIS0

Number of boosting

steps

Power system control register 4 (R55)

MBT2 to MBT0

Power system control register 4 (R55)

SBT2 to SBT0

Electronic volume

Main electronic volume register (R57)

Sub-electronic volume register (R58)

Grayscale data

setting

Main R grayscale data register (R65 to R72)

Main G grayscale data register (R73 to R80)

Main B grayscale data register (R81 to R84)

Sub R grayscale data register (R85 to R92)

Sub G grayscale data register (R93 to R100)

Sub B grayscale data register (R101 to R104)

Default (default value of reset command)

Note

0000

Note 0 or 1

UPD161401W/P Datasheet(PDF) 67 Page - Renesas Technology Corp

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