UPD161623 datasheet(66/83 Pages) NEC

66 / 83 page

Data Sheet S15817EJ2V0DS

µµµµPD161623

(4/8)

Bit

Symbol

Function

R17

D7 to D0

SSTn

Scroll step count register (00H to EFH)

When the screen is scrolled, the screen of the number of lines set by the scroll area line count

by this command.

Note that because this command is invalid in the partial display mode, the scroll function

cannot be used.

PGR

PGG

R19

PGB

Partial off area color register

Sets the color of the screen other than the partial display area during partial display (R0: DTY

= 1). One of eight colors can be selected (RGB: 1 bit each) as the off color.

The relationship between each color data and the bits of this register is as follows.

This relationship is not dependent upon the value of ADC.

PGR: R OFF= 0, ON = 1

PGG: G OFF= 0, ON = 1

PGB: B OFF= 0, ON = 1

R20

D7 to D0

P1SLn

Partial1 display area start line register (00H to EFH)

During partial display (R0: DTY = 1), the area starting from the line set by this command and

ending as set by the partial 1 display area line count register (R22) is the partial 1 display area.

R21

D7 to D0

P2SLn

Partial2 display area start line register (00H to EFH)

During partial display (R0: DTY = 1), the area starting from the line set by this command and

ending as set by the partial 2 display area line count register (R23) is the partial 2 display area.

R22

D7 to D0

P1AWn

Partial1 display area line count register (00H to EFH)

An area starting from the line set by the partial 1 display area start register (R20) and ending

as set by this command is the partial 1 display area.

If this register is 0, the values of the partial 2 display area start line register (R29) and the

partial 2 display area line count register (R31) are not valid.

R23

D7 to D0

P2AWn

Partial 2 display area line count register (00H to EFH)

An area starting from the line set by the partial 2 display area start register (R21) and ending

as set by this command is the partial 2 display area.

If the partial 1 display area line count register is 0, the values of the partial 2 display area start

line register (R21) and partial 2 display area line count register (R23) are not valid.

BGRS

This pin selects whether to use the internal power supply or an external power supply (input

from the BRGIN pin) for generation the common center voltage output from the VCOM pin.

0: The internal power supply is selected as the VCOM power supply

1: Input from the external power supply BGRIN is selected as the BCOM power supply

VCE

Selects the VO output level of the power supply IC (

µ PD161660).

The VCE pin of the

µ PD161623 and the VCE pin of the power supply IC must be connected.

0: The Vo high-level booster voltage level is VDD2 minus 1 level

1: The Vo high-level booster voltage level is the same level as VDD2

VCD2

Selects the VDD2 output level of the power supply IC (

µ PD161660).

The VCD2 pin of the

µ PD161623 and the VCD2 pin of the power supply IC must be connected.

0: VDD2 = VCD

× 2

1: VDD2 = VCD

× 3

R25

PVCOM

Selects the voltage supplied to the VCOM output circuit.

0: VCOM output circuit power supply, VDD2

1: VCOM output circuit power supply, VS

UPD161623 Datenblatt(PDF) 66 Page - NEC

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