HT46R51 datasheet(2/42 Pages) HOLTEK

2 / 42 page

Block Diagram

Pin Assignment

HT46R51/HT46R52

Rev. 1.40

July 12, 2005

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

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

B P

f S Y S

P r e s c a l e r

T M R

T M R C

T M R

W D T O S C

W D T

f S Y S / 4

W D T S

W D T

P r e s c a l e r

E N / D I S

P o r t A

P A

P A C

P A 0 ~ P A 2 , P A 3 / P F D

P A 4 / T M R , P A 5 / I N T

P A 6 ~ P A 7

V R E F

V D D

P o r t B

P B

P B C

P B 0 / A N 0 ~ P B 4 / A N 4

A / D C o n v e r t e r

P o r t D

P D

P D C

P D 0 / P W M

O p t i o n R O M

O T P O n l y

I N T

S T A C K

H T 4 6 R 5 1 / H T 4 R 5 2

1 8 D I P - A

P A 4 / T M R

P A 5 / I N T

P A 6

P A 7

O S C 2

O S C 1

V D D

R E S

P B 3 / A N 3

P A 3 / P F D

P A 2

P A 1

P A 0

P D 0 / P W M

P B 2 / A N 2

P B 1 / A N 1

P B 0 / A N 0

V S S

1 8

1 7

1 6

1 5

1 4

1 3

1 2

1 1

1 0

2 0

1 9

1 8

1 7

1 6

1 5

1 4

1 3

1 2

1 1

1 0

H T 4 6 R 5 1 / H T 4 R 5 2

2 0 S O P - A / S S O P - A

P A 4 / T M R

P A 5 / I N T

P A 6

P A 7

O S C 2

O S C 1

V D D

R E S

P B 4 / A N 4

P A 3 / P F D

P A 2

P A 1

P A 0

P D 0 / P W M

P B 2 / A N 2

P B 1 / A N 1

P B 0 / A N 0

V S S

V R E F

P B 3 / A N 3

HT46R51 Scheda tecnica(PDF) 2 Page - Holtek Semiconductor Inc

HT46R51 Scheda tecnica(HTML) 2 Page - Holtek Semiconductor Inc

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