HT46R23 datasheet(2/42 Pages) HOLTEK

2 / 42 page

Block Diagram

Pin Assignment

HT46R23

Rev. 1.30

August 17, 2001

PA 5 / I N T

OS C 2

OS C 1

RE S

VD D

MU X

PA C

PO R T A

PA 4 / T M R

S Y S C L K /4

WD T

PD C

PO R T D

PD 0 / PW M 0 ~ P D 1 / P W M 1

PO R T B

TM R

TM R C

VS S

P r es cal er

f SY S

PA 4

P r ogr am

RO M

P r ogr am

C ount e r

I n t e r r upt

Ci r cu i t

ST AC K

IN T C

DA T A

Me m o r y

In s t r u cti o n

R egi s t er

I n st r u ct i o n

D e coder

ST AT U S

AL U

S h i fte r

Ti m i n g

G ene r a t o r

AC C

RC O S C

WD T

P r es cal er

PBC

PB0 / A N 0 ~ PB7 / A N 7

PA0 ~ PA2

PA3 / P F D

PA4 / T M R

PA5 / I N T

PA6 / S D A

PA7 / S C L

PW M

8- C h annel

A / D C onv er t e r

PA 3 / PF D

Op t i o n

PR O M

LV R

PA3 , PA5

PC C

PC 0 ~ PC 4

I C B U S

S l a v e M o de

H T 4 6R 23

2 8 SK D I P- A / SO P- A

PB 5 / AN 5

PB 4 / AN 4

PA 3 / PF D

PA 2

PA 1

PA 0

PB 3 / AN 3

PB 2 / AN 2

PB 1 / AN 1

PB 0 / AN 0

VS S

PC 0

PC 1

PC 2

PB 6 / AN 6

PB 7 / AN 7

PA 4 / T M R

PA 5 / I N T

PA 6 / SD A

PA 7 / SC L

OS C 2

OS C 1

VD D

RE S

PD 1 / P W M 1

PD 0 / P W M 0

PC 4

PC 3

PB 5 / AN 5

PB 4 / AN 4

PA 3 / PF D

PA 2

PA 1

PA 0

PB 3 / AN 3

PB 2 / AN 2

PB 1 / AN 1

PB 0 / AN 0

VS S

PC 0

PB 6 / AN 6

PB 7 / AN 7

PA 4 / T M R

PA 5 / I N T

PA 6 / SD A

PA 7 / SC L

OS C 2

OS C 1

VD D

RE S

PD 0 / P W M

PC 1

H T 4 6R 23

2 4 SK D I P- A / SO P- A

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