Rev. 1.00

13

June 19, 2017

HT16E07

Charge Pump OFF (CPOF) Command

Command

R/W

D/CX

D7

D6

D5

D4

D3

D2

D1

D0

Default

Charge Pump

OFF (CPOF)

0

0

0

0

0

0

0

0

1

0

02h

0

1

—

—

—

—

—

—

SGM_FL VCOM_FL

03h

“—”: Don't care

AfterexecutingachargepumpOFFcommand,BUSY_Nwillbesetto“0”.Thiscommandwillturnoffthecharge

pump,driveroutputandtemperaturesensorbuttheregisterdatawillbekeptuntilVDDOFF.Thechargepump

OFFsequenceisshownbelow.

Thecommanddescriptionsareasfollows:

SGM_FL:SegmentandBGlevelselectionwhenchargepumpOFF

0:SegmentandBG–floatingwhenchargepumpOFF

1:SegmentandBG–groundwhenchargepumpOFF(default)

VCOM_FL:COMlevelselectionwhenchargepumpOFF

0:COM–floatingwhenchargepumpOFF

1:COM–groundwhenchargepumpOFF(default)

Notethatthisactioncouldnotchangethedata_flagstatus.

ThiscommandisonlyactivewhenBUSY_N=“1”.

Afterfinishingapower-onreset,thedriverisinthechargepumpOFFstage.

CPOF

SPI

Internal

Vsync

S[1:120], BG

COM

BUSY_N

Based on CPOF setting: 0V or floating

Charge Pump OFF Sequence