HT47R20 datasheet(2/42 Pages) HOLTEK

2 / 42 page

HT47R20

Rev. 1.10

2002-07-25

方框图

P B 0 / I N T

P r o g r a m

C o u n t e r

P r o g r a m

E P R O M

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

T i m i n g

G e n e r a t o r

O S C 2

O S C 4

O S C 1

R E S

V D D

V S S

I n t e r r u p t

C i r c u i t

I N T C

M P

M U X

D A T A

M e m o r y

A L U

S h i f t e r

S T A T U S

A C C

P A

P o r t A

P A 0 / B Z

T i m e r A

S y s t e m C l o c k

S Y S C L K / 4

P B

P o r t B

P B 2 / T M R

W D T O S C

P A 1 / B Z

P A 2 / I R

P A 3 / P F D

P A 4 ~ P A 7

P B 0 / I N T

P B 1

P B 3

R T C O S C

O S C 3

O S C 4

R T C

S T A C K

L C D

M e m o r y

B P

L C D D r i v e r

C O M 0 ~

C O M 2

C O M 3 /

S E G 1 9

S E G 0 ~

S E G 1 8

T i m e B a s e

W D T

T i m e r B

T 1

R T C O u t p u t

P B 2 / T M R

P F D

P A 3 / P F D

O v e r f l o w

R C T y p e

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

A / D C l o c k

I N 0

C S 0

R S 0

C R T 0

R T 0

I N 1

C S 1

R S 1

R T 1

H a l v e

V o l t a g e

V 1 V 2 V L C D

C 1

C 2

O S C 3

H A L T

E N / D I S

L V D / L V R

HT47R20 Datenblatt(PDF) 2 Page - Holtek Semiconductor Inc

HT47R20 Datenblatt(HTML) 2 Page - Holtek Semiconductor Inc

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