HT46R46 datasheet(19/77 Pages) HOLTEK

19 / 77 page

HT46R46/C46/R47/C47/R48A/C48A/R49

Rev. 1.30

June 5, 2008

V D D

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 u l l - H i g h

O p t i o n

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 B 0 / A N 0 ~ P B 3 / A N 3

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

W e a k

P u l l - u p

A n a l o g

I n p u t

S e l e c t o r

C K

PB Input/Output Ports

V D D

P F D o r P W M W a v e f o r m

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 u l l - H i g h

O p t i o n

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 F D / P W M O p t i o n

W e a k

P u l l - u p

C K

P A 3 / P F D

P D 0 / P W M

P D 0 / P W M 0

P D 1 / P W M 1 ( H T 4 6 R 4 9 2 8 - p i n p a c k a g e o n l y )

PA3/PFD and PD/PWM Input/Output Ports

HT46R46 Datasheet(PDF) 19 Page - Holtek Semiconductor Inc

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