HT48E30 datasheet(2/43 Pages) HOLTEK

Part #	HT48E30

Description	I/O Type 8-Bit MTP MCU With EEPROM

Download	43 Pages

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Manufacturer	HOLTEK [Holtek Semiconductor Inc]

Direct Link	http://www.holtek.com

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2 / 43 page

Block Diagram

Pin Assignment

HT48E30

Rev. 1.20

2

March 3, 2006

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

2

3

4

5

6

7

8

9

1 0

1 1

1 2

1 3

1 4

P B 6

P B 7

P A 4

P A 5

P A 6

P A 7

O S C 2

O S C 1

V D D

R E S

P C 5

P C 4

P C 3

P C 2

P B 5

P B 4

P A 3

P A 2

P A 1

P A 0

P B 3

P B 2

P B 1 / B Z

P B 0 / B Z

V S S

P G 0 / I N T

P C 0 / T M R

P C 1

H T 4 8 E 3 0

2 8 S K D I P - A / S O P - A

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

H T 4 8 E 3 0

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

P B 6

P B 7

P A 4

P A 5

P A 6

P A 7

O S C 2

O S C 1

V D D

R E S

P C 2

P C 0 / T M R

P B 5

P B 4

P A 3

P A 2

P A 1

P A 0

P B 3

P B 2

P B 1 / B Z

P B 0 / B Z

V S S

P G 0 / I N T

I N T / P G 0

O S C 2

O S C 1

R E S

V D D

M U X

T M R / P C 0

T M R 0 C

T M R 0

V S S

P r e s c a l e r

f S Y S

P G 0

P r o g r a m

M e m o r y

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

4 L e v e l s

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

A C C

M

U

X

M P

W D T S

W D T

W D T O S C

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

M

U

X

E N / D I S

P G 1

P G 2

P G C

P G

P O R T G

P B C

P O R T B

P B 0 ~ P B 7

B Z / B Z

P B

P A C

P O R T A

P A 0 ~ P A 7

P A

P C

P O R T C

P C 0 ~ P C 5

P C C

M

U

X

f S Y S / 4

P G 0

D a t a M e m o r y

E E P R O M

E E C R

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HT48E30 Datasheet(PDF) 2 Page - Holtek Semiconductor Inc

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