HT46R12A datasheet(2/48 Pages) HOLTEK

Part #	HT46R12A

Description	A/D Type 8-Bit OTP MCU

Download	48 Pages

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Manufacturer	HOLTEK [Holtek Semiconductor Inc]

Direct Link	http://www.holtek.com

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2 / 48 page

Block Diagram

Pin Assignment

HT46R12A

Rev. 1.00

2

August 3, 2007

O S C 2

O S C 1

R E S

V D D

M U X

P A C

P A

P o r t A

P o r t B

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

M

U

X

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

A C C

M P

L V R

M

U

X

M

U

X

W D T O S C

W D T

M

U

X

P F D 0

P F D 1

f S Y S / 4

f S Y S

P r e s c a l e r

T M R 0

f S Y S / 4

T M R 1

T M R 0 C

T M R 0

T M R 1 C

T M R 1

P P G

f S Y S

P r e s c a l e r

P P G 0 C

P P G T 0

P C 0 / C 0 V I N -

P C 1 / C 0 V I N +

P C 2 / C 0 O U T

P C 3 / C 1 O U T

P C 4 / C 1 V I N -

P o r t C

P C C

P C

4 - C h a n n e l

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

P B C

P B

P A 0 ~ P A 2

P A 3 / P F D

P A 4 / T M R 0

P A 5 , P A 6

P A 7 / T M R 1

P B 0 / A N 0 ~ P B 3 / A N 3

P P G 0 C

P P G

H A L T

E N / D I S

T i m i n g

G e n e r a t o r

H T 4 6 R 1 2 A

2 4 S K D I P - A / S O P - A

P B 1 / A N 1

P B 0 / A N 0

P A 3 / P F D

P A 2

P A 1

P A 0

C 1 V I N +

P C 4 / C 1 V I N -

P C 3 / C 1 O U T

P C 2 / C 0 O U T

V S S

P C 1 / C 0 V I N +

P B 2 / A N 2

P B 3 / A N 3

P A 4 / T M R 0

P A 5

P A 6

P A 7 / T M R 1

O S C 2

O S C 1

V D D

R E S

P P G

P C 0 / C 0 V I N -

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

2

3

4

5

6

7

8

9

1 0

1 1

1 2

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HT46R12A Datasheet(PDF) 2 Page - Holtek Semiconductor Inc

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