HT82A822R_07 datasheet(2/39 Pages) HOLTEK

Part #	HT82A822R

Description	USB Audio MCU

Download	39 Pages

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Manufacturer	HOLTEK [Holtek Semiconductor Inc]

Direct Link	http://www.holtek.com

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2 / 39 page

Block Diagram

Pin Assignment

HT82A822R

Rev. 1.10

2

June 29, 2007

O S C O O S C I

W D T 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 1 5

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

T i m i n g

G e n e r a t o r

W D T O S C

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

M

U

X

M P

E N / D I S

W D T

P A C

P A

P O R T A

P A 0 ~ P A 7

U S B 1 . 1

F u l l S p e e d E n g i n e

T M R 1 C

T M R 1

M

U

X

f S Y S / 4

T M R 0

T M R 0 C

M

U

X

f S Y S / 4

A C C

M U X

S T A C K 1 4

S T A C K 2

S T A C K 1

S T A C K 0

B P

U S B 1 . 1 X C V R

U S B D +

U S B D -

V 3 3 O

3 . 3 V R e g u l a t o r

P B C

P B

P O R T B

P B 0 ~ P B 7

P C C

P C

P O R T C

P C 0

P C 3 ~ P C 5

P C 1 / T M R 0

P C 2 / T M R 1

F I F O

I S O

P r o c e s s

D i g i t a l

V o l u m e

C o n t r o l

1 6 - b i t

D / A

P o w e r

A m p

L O U T

R O U T

M U X

D A C W r i t e D a t a

H T 8 2 A 8 2 2 R

4 8 S S O P - A

P A 3

P A 2

P A 1

P A 0

A V D D 2

R O U T

L O U T

A V S S 2

A V S S 1

B I A S

A V D D 1

D V S S 3

P B 7

P B 6

P B 5

P B 4

P B 3

P B 2

P B 1

P B 0

P C 7

P C 6

P C 5

D V S S 2

P A 4

P A 5

P A 6

P A 7

D V S S 1

V 3 3 O

U S B D P

U S B D N

D V D D 1

R E S E T

O S C O

O S C I

N C

P C 0

P C 1

P C 2

P C 3

P C 4

D V D D 2

4 8

4 7

4 6

4 5

4 4

4 3

4 2

4 1

4 0

3 9

3 8

3 7

3 6

3 5

3 4

3 3

3 2

3 1

3 0

2 9

2 8

2 7

2 6

2 5

1

2

3

4

5

6

7

8

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

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