HT69F340 datasheet(204/235 Pages) HOLTEK

204 / 235 page

Rev. 1.30

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Rev. 1.30

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HT69F340/HT69F350/HT69F360

TinyPowerTM I/O Flash MCU with LCD & EEPROM

HT69F340/HT69F350/HT69F360

TinyPowerTM I/O Flash MCU with LCD & EEPROM

V A

V B

V C

V SS

1 Fr am e

V A

V B

V C

V SS

V A

V B

V C

V SS

V A

V B

V C

V SS

V A

V B

V C

V SS

V A

V B

V C

V SS

V A

V B

V C

V SS

V A

V B

V C

V SS

V A

V B

V C

V SS

V A

V B

V C

V SS

CO M0

CO M1

CO M2

Al l se gm ent s OF F

CO M0 s egm ent s ON

CO M3

CO M1 s egm ent s ON

CO M2 s egm ent s ON

(o th er c om bi na ti on s ar e om i tte d)

CO M0 , 1 s egm ent s ON

CO M3 s egm ent s ON

LC D F unc ti on in N or ma l Op er at io n Mo de

Du ri ng R eset o r LC D Func ti on i s sw it ch ed o ff

CO M0 , C OM 1, C OM 2, C OM 3

A ll se gm en t o ut pu ts

V LC D

V SS

V LC D

V SS

V A

V B

V C

V SS

CO M0 , 2 s egm ent s ON

V A

V B

V C

V SS

CO M0 , 3 s egm ent s ON

V A

V B

V C

V SS

A ll se gm ent s ON

R ty pe bi as

C ty pe bi as

R ty pe bi as

C ty pe bi as

VSS

1 Frame

VSS

COM0

COM1

COM2

All segments are OFF

COM0 side segments are ON

COM3

COM1 side segments are ON

COM2 side segments are ON

(other combinations are omitted)

COM0, 1 side segments are ON

COM3 side segments are ON

Normal Operation Mode

During Reset or LCD Off

COM0, COM1, COM2, COM3

All segment outputs

VSS

COM0, 2 side segments are ON

VSS

COM0, 3 side segments are ON

VSS

All segments are ON

LCD Driver Output – Type B -- 1/4 Duty, 1/3 Bias

Note:For1/3Rtypebias,theVA=VLCD,VB=VLCD×2/3andVC=VLCD×1/3

For1/3Ctypebias,theVA=VLCD×1.5,VB=VLCDandVC=VLCD×1/2

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