HT45R36 datasheet(2/40 Pages) HOLTEK

2 / 40 page

Block Diagram

Pin Assignment

HT45R36

Rev. 1.00

September 28, 2006

P A 0 / I N T 0

P A 1 / I N T 1

O S C 2

O S C 1

R E S

V D D

V D D B

M U X

P A C

P A

P O R T A

P A 0 / I N T 0

P A 1 / I N T 1

P A 2 / T M R

P A 3 ~ P A 7

W D T S

W D T

P C

P O R T C

P B C

P B

P O R T B

P B 0 ~ P B 7

V S S

V S S C

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 0

S T A C K 1

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

R C O S C

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

M P

P A 2 / T M R

T M R

T M R C

P r e s c a l e r

P C C

P C 0 ~ P C 7

A C C

P D C

P D

P O R T D

P D 0

T i m e r A

T i m e r B

R C O s c i l l a t i o n O u t p u t

A n a l o g

S w i t c h

R C 1 ~ R C 1 6

R C O U T

R C

O s c i l l a t i o n

I N

R R E F

C R E F

S y s t e m C l o c k

S y s t e m C l o c k / 4

S y s t e m C l o c k

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

3 4

3 5

3 6

3 7

3 8

3 9

4 8

4 9

5 0

5 1

5 2

2 3 2 4 2 5 2 6

2 7

2 8

2 9

3 0

3 1

3 2

3 3

4 0

4 1

4 2

4 3

4 4

4 5

4 6

4 7

H T 4 5 R 3 6

5 2 Q F P - A

P A 5

P A 6

P A 7

P B 0

P B 1

P B 2

P B 3

V D D B

P B 4

P B 5

P B 6

P B 7

P C 0

R C 1 3

R C 1 2

R C 1 1

R C 1 0

R C 9

R C 8

R C 7

R C 6

R C 5

R C 4

R C 3

R C 2

R C 1

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

3 3

3 4

3 5

3 6

3 7

3 8

3 9

4 0

4 1

4 2

4 3

4 4

H T 4 5 R 3 6

4 4 Q F P - B

P A 5

P A 6

P A 7

P B 0

P B 1

P B 2

P B 3

V D D B

P B 4

P B 5

P B 6

R C 1 1

R C 1 0

R C 9

R C 8

R C 7

R C 6

R C 5

R C 4

R C 3

R C 2

R C 1

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