HT46RU232 datasheet(2/60 Pages) HOLTEK

2 / 60 page

Block Diagram

HT46RU232

Rev. 1.00

April 23, 2008

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

E P 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

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

L V R

H A L T

E N / D I S

W D T O S C

P F D 0

f S Y S

P r e s c a l e r

T M R 0

f S Y S / 4

P A C

P A

I 2 C B u s

S l a v e M o d e

B P

P A 5

P o r t F

P F 0 ~ P F 7

P o r t D

P o r t C

P o r t B

P o r t A

T M R 0 C

T M R 0

P F D 1

f S Y S / 4

T M R 1

T M R 1 C

T M R 1

f S Y S

P r e s c a l e r

T M R 2

T M R 2 C

T M R 2

P B

P B C

P C

P C C

P D

P D C

8 - C h a n n e l

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

P W M

P F

P F C

W D T

P A 0 ~ P A 2

P A 3 / P F D

P A 4

P A 5 / I N T

P A 6 / S D A

P A 7 / S C L

P B 0 / A N 0 ~

P B 7 / A N 7

P C 0 / T X

P C 1 / R X

P C 2 ~ P C 7

P D 0 / P W M 0 ~ P D 3 / P W M 3

P D 4 ~ P D 7

U A R T

HT46RU232 Datasheet(PDF) 2 Page - Holtek Semiconductor Inc

HT46RU232 Datasheet(HTML) 2 Page - Holtek Semiconductor Inc

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