HT95R22 datasheet(23/52 Pages) HOLTEK

23 / 52 page

HT95R22

Rev. 1.00

January 6, 2009

I N T C 1 R e g i s t e r

R e a l T i m e C l o c k I n t e r r u p t E n a b l e

1 : e n a b l e

0 : d i s a b l e

b 7

b 0

E M F I

M u l t i - f u n c t i o n I / O I n t e r r u p t E n a b l e

1 : e n a b l e

0 : d i s a b l e

R e a l T i m e C l o c k I n t e r r u p t R e q u e s t F l a g

1 : a c t i v e

0 : i n a c t i v e

R T C F

M F F

M u l t i - f u n c t i o n I / O I n t e r r u p t R e q u e s t F l a g

1 : a c t i v e

0 : i n a c t i v e

N o t i m p l e m e n t e d , r e a d a s " 0 "

R T C I

Interrupt Control 1 Register

M F I C

P C 0 I n t e r r u p t ( F a l l i n g E d g e )

1 : e n a b l e

0 : d i s a b l e

b 7

b 0

E P C 0 I

P C 0 F

P C 0 I n t e r r u p t ( F a l l i n g E d g e ) R e q u e s t F l a g

1 : a c t i v e

0 : i n a c t i v e

N o t i m p l e m e n t e d , r e a d a s " 0 "

MFIC Register

A u t o m a t i c a l l y C l e a r e d b y I S R

M a n u a l l y S e t o r C l e a r e d b y S o f t w a r e

E x t e r n a l I n t e r r u p t

R e q u e s t F l a g E I F

T i m e r / E v e n t C o u n t e r 0

I n t e r r u p t R e q u e s t F l a g T 0 F

T i m e r / E v e n t C o u n t e r 1

I n t e r r u p t R e q u e s t F l a g T 1 F

E E I

E T 0 I

E T 1 I

E M I

A u t o m a t i c a l l y D i s a b l e d b y I S R

C a n b e E n a b l e d M a n u a l l y

P r i o r i t y

H i g h

I n t e r r u p t

P o l l i n g

R T C I n t e r r u p t

R e q u e s t F l a g R T F

E R T C I

L o w

M u l t i - f u n c t i o n I n t e r r u p t

R e q u e s t F l a g M F F

E M F I

Interrupt Structure

HT95R22 Datasheet(PDF) 23 Page - Holtek Semiconductor Inc

HT95R22 Datasheet(HTML) 23 Page - Holtek Semiconductor Inc

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