HT45F4M datasheet(8/138 Pages) HOLTEK

8 / 138 page

Rev. 1.10

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Rev. 1.10

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HT45F4M

Lithium Battery Backup Power ASSP MCU

HT45F4M

Lithium Battery Backup Power ASSP MCU

Pin Assignment

PB 3/ TP 1_0

PB2

PB 1/ TP 1_1

PB 0/ TP 0_1

PB6

PA7 /T P 0_0 /A N7 /I CP CK /O CDS CK

PA6 /I NT 1/ TC K1 /A N6 /I CP DA /O CDS DA

PA5 /I NT 0/ TC K0 /A N5

PA 4/ AN 4

PA 3/ OC P/ AN 3

PA 1/ D APW R/ AN 1/ VR EF

PA 0/ OV P/ AN 0

VS S

VD D

PB 4/ OU TH

PB 5/ OU TL

HT45F4M 16 NSOP- A

PB2

PB1 /T P 1_1

PB0 /T P 0_1

PB6

PA7 /T P 0_0 /A N7 /I CP CK /O CD SC K

PA6 /IN T1 /T CK 1/ AN 6/ IC PD A/ OC DS DA

PA 5/ IN T0 /T CK 0/ AN 5

PA 4/ AN 4

PA 3/ OC P/ AN 3

PA 1/ DA PW R/ AN 1/ VR EF

PA 0/ OV P/ AN 0

VS S

VD D

PB3 /T P 1_0

PB 5/ OU TL

PB7

PA 2/ AN 2

PB 4/ OU TH

HT45F4M 20 SSOP- A

Note:1.Ifthepin-sharedpinfunctionshavemultipleoutputssimultaneously,itspinnamesatthe

rightsideofthe“/”signcanbeusedforhigherpriority.

2.BothrealICandOCDSEVICsharethesamepackage.TheOCDSEVICisHT45V4M.

TheOCDSCKandOCDSDApinsareonlyfortheOCDSEVIC.

HT45F4M Datasheet(PDF) 8 Page - Holtek Semiconductor Inc

HT45F4M Datasheet(HTML) 8 Page - Holtek Semiconductor Inc

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