HT45FM03B datasheet(2/83 Pages) HOLTEK

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Block Diagram

Pin Assignment

HT45FM03B

Rev. 1.00

December 16, 2009

I n - c i r c u i t

P r o g r a m m i n g

C i r c u i t r y

S t a c k

R A M D a t a

M e m o r y

I / O

P o r t s

8 - b i t / 1 6 - b i t

T i m e r

P r o g r a m m a b l e

F r e q u e n c y

G e n e r a t o r

W a t c h d o g

T i m e r

P r o g r a m

M e m o r y

8 - b i t

R I S C

M C U

C o r e

W a t c h d o g

T i m e r O s c i l l a t o r

R e s e t

C i r c u i t

I n t e r r u p t

C o n t r o l l e r

I R C / E R C / C r y s t a l

S y s t e m O s c i l l a t o r

L o w

V o l t a g e

R e s e t

A / D

C o n v e r t e r

P W M

G e n e r a t o r

O P A

C o n t r o l

R e g i s t e r

A n a l o g

C o m p a r a t o r

C o n t r o l

R e g i s t e r

P A , P B , P C , P D

T M R 0 / T M R 1

P F D

O P A

C M P

R E S

I N T 0 A

I N T 0 B

I N T 0 C

I N T 1

O S C 1

O S C 2

P W M 0 H

P W M 0 L

P W M 1 H

P W M 1 L

P W M 2 H

P W M 2 L

O P V I N P

O P V I N N

O P O U T

C V I N P

C V I N N

C O U T

A N 0 ~ A N 7

H T 4 5 F M 0 3 B

2 8 S O P - A

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

P B 5 / A N 5 / [ I N T 0 B ]

P B 4 / A N 4 / [ I N T 0 A ]

P A 3 / C O U T

P A 2 / C V I N N

P A 1 / C V I N P

P A 0 / O P V I N P

P B 3 / A N 3 / O P V I N N

P B 2 / A N 2 / O P O U T

P B 1 / A N 1

P B 0 / A N 0

V S S / A V S S

P C 0 / P W M 0 H

P C 1 / P W M 0 L

P C 2 / P W M 1 H

P B 6 / A N 6 / [ I N T 0 C ]

P B 7 / A N 7 / T M R 0 / T M R 1

P A 4 / I N T 0 A

P A 5 / I N T 0 B

P A 6 / I N T 0 C

P A 7 / I N T 1

P D 3 / O S C 2

P D 2 / O S C 1

V D D / A V D D

P D 1 / R E S

P D 0 / P F D

P C 5 / P W M 2 L

P C 4 / P W M 2 H

P C 3 / P W M 1 L

HT45FM03B Datasheet(PDF) 2 Page - Holtek Semiconductor Inc

HT45FM03B Datasheet(HTML) 2 Page - Holtek Semiconductor Inc

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