HT82M9BA datasheet(2/44 Pages) HOLTEK

2 / 44 page

Block Diagram

Pin Assignment

HT82M9BE/HT82M9BA

Rev. 1.80

December 22, 2008

O S C 2

O S C 1

R E S

V D D

M U X

V S S

P r o g r a m

R O M

P r o g r a m

C o u n t e r

I n t e r r u p t

C i r c u i t

S T A C K

I N T C

D a t a

M e m o r y

I n s t r u c t i o n

R e g i s t e r

I n s t r u c t i o n

D e c o d e r

S T A T U S

A L U

S h i f t e r

T i m i n g

G e n e r a t o r

A C C

M P

U S B 1 . 1

P S 2

B P

U S B D + / C L K U S B D - / D A T A V 3 3 O

S Y S C L K / 4

W D T S

W D T

W D T O S C

W D T P r e s c a l e r

E N / D I S

P B C

P o r t B

P B

P A C

P o r t A

P A

P o r t C

P C C

P A 0 ~ P A 5

P A 6 / T M R 0

P A 7 / T M R 1

P B 0 ~ P B 7

P C 0 ~ P C 3

P A 7 / T M R 1

f S Y S / 4

T M R 1 C

T M R 1

P C

T M R 0 C

T M R 0

f S Y S / 4

P A 6 / T M R 0

P A 6

P A 7

H T 8 2 M 9 B E / H T 8 2 M 9 B A

2 4 S S O P - A

P B 5

P B 6

V S S

V 3 3 O

U S B D + / C L K

U S B D - / D A T A

R E S

P A 0

P A 1

P B 2

P B 3

P B 4

P B 1

P B 0

O S C I

O S C O

V D D

P A 7

P A 6

P A 5

P A 4

P A 3

P A 2

P B 7

2 4

2 3

2 2

2 1

2 0

1 9

1 8

1 7

1 6

1 5

1 4

1 3

1 0

1 1

1 2

H T 8 2 M 9 B E / H T 8 2 M 9 B A

2 8 S S O P - A

P C 2

P C 3

P B 5

P B 6

V S S

V 3 3 O

U S B D + / C L K

U S B D - / D A T A

R E S

P A 0

P A 1

P B 2

P B 3

P B 4

P C 1

P C 0

P B 1

P B 0

O S C I

O S C O

V D D

P A 7

P A 6

P A 5

P A 4

P A 3

P A 2

P B 7

2 8

2 7

2 6

2 5

2 4

2 3

2 2

2 1

2 0

1 9

1 8

1 7

1 6

1 5

1 0

1 1

1 2

1 3

1 4

9 1 0 1 1 1 2 1 3 1 4 1 5 1 6

1 7

1 8

1 9

2 0

2 1

2 2

2 3

2 4

2 5

2 6

2 7

2 8

2 9

3 0

3 1

3 2

V S S

V 3 3 O

U S B D + / C L K

U S B D - / D A T A

N C

R E S

P A 0

N C

O S C I

O S C O

V D D

N C

P A 7

P A 6

P A 5

P A 4

H T 8 2 M 9 B E

H T 8 2 M 9 B A

3 2 Q F N - A

HT82M9BA Datenblatt(PDF) 2 Page - Holtek Semiconductor Inc

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