HT48R10A datasheet(2/42 Pages) HOLTEK

2 / 42 page

Block Diagram

Pin Assignment

HT48R10A-1

Rev. 1.20

July 2, 2001

H T 4 8R 10A - 1

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

PB 6

PB 7

PA 4

PA 5

PA 6

PA 7

OS C 2 / P C 4

OS C 1 / P C 3

VD D

RE S

PC 2

PC 1 / T M R

PB 5

PB 4

PA 3

PA 2

PA 1

PA 0

PB 3

PB 2

PB 1 / BZ

PB 0 / BZ

VS S

P C 0 /IN T

IN T / P C 0

OS C 2 /

PC 4

OS C 1 /

PC 3

RE S

VD D

MU X

PA C

PO R T A

PA0 ~ P A7

TM R / P C 1

SYS C LK/ 4

WD T S

WD T

PC C

PO R T C

PC 0 ~ PC 4

PBC

PO R T B

PB0 ~ PB7

TM R

TM R C

VS S

P r e sca l e r

f SY S

BZ / B Z

PC 0

PC 1

P r ogr am

RO M

P r ogr am

C ount e r

I n t e r r upt

Ci r c u i t

ST AC K

IN T C

DA T A

Me m o r y

I n st r u ct i o n

R egi s t er

I n st r u ct i o n

D e c oder

ST AT U S

ALU

S h i fte r

Ti m i n g

G ene r a t o r

AC C

Op t i o n R OM

OT P O n l y

WD T O S C

W D T P r e sca l e r

RT C O S C

E N /D IS

PC 3

PC 4

In te r n a l

RC O S C

HT48R10A Datasheet(PDF) 2 Page - Holtek Semiconductor Inc

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