HT46R01 datasheet(17/60 Pages) HOLTEK

17 / 60 page

HT46R01/HT46R02/HT46R03

Rev. 1.00

September 21, 2007

V D D

P F D o r P W M

( P A 1 / P A 4 )

C o n t r o l B i t

D a t a B u s

W r i t e C o n t r o l R e g i s t e r

C h i p R e s e t

R e a d C o n t r o l R e g i s t e r

W r i t e D a t a R e g i s t e r

D a t a B i t

C K

P A 0 / A N 0

P A 1 / P F D / A N 1

P A 2 / T M R 0 / A N 2

P A 3 / I N T / A N 3

T M R 0 / T M R 1 ( P A 2 / P A 4 o n l y )

I N T ( P A 3 o n l y )

S y s t e m W a k e - u p

R e a d D a t a R e g i s t e r

P F D o r P W M

W a v e f o r m

P A W K 4 ~ P A W K 0

P A P U 4 ~ P A P U 0

W e a k

P u l l - u p

P A 4 / T M R 1 / P W M

A C S 2 ~ A C S 0

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

P C R 2

P C R 1

P C R 0

A n a l o g

I n p u t

S e l e c t o r

PA0~PA4 Input/Output Ports

P A W K 5 / P A W K 6

S y s t e m W a k e - u p

R e a d D a t a R e g i s t e r

C o n t r o l B i t

P A P U 5 , P A P U 6

D a t a B u s

W r i t e C o n t r o l R e g i s t e r

C h i p R e s e t

R e a d C o n t r o l R e g i s t e r

W r i t e D a t a R e g i s t e r

D a t a B i t

P A 5 / O S C 2

P A 6 / O S C 1

S c h m i t t T r i g g e r I n p u t

W e a k

P u l l - u p

C K

V D D

O s c i l l a t o r

C i r c u i t

O s c i l l a t o r

C o n f i g u r a t i o n

O p t i o n s

PA5~PA6 Input/Output Ports

R e a d D a t a

D a t a B u s

T o R e s e t C i r c u i t

R e s e t C o n f i g u r a t i o n O p t i o n

P A 7 / R E S

PA7 Input Port

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