HT1380 데이터 시트보기 (PDF) - Holtek Semiconductor
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HT1380 Datasheet PDF : 10 Pages
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· To disable the write
protect (WP=0) bit and
enable the oscillator
(CH=0)
STAR T
· Single byte data
transfer
STAR T
HT1380/HT1381
· Burst mode data
transfer
STAR T
S e t R E S T p in
fr o m lo w to h ig h
In p u t th e w r ite
p ro te c t c o m m a n d
b y te 8 E H
D is a b le th e w r ite
p r o te c t b it ( W P )
b y s e ttin g th e M S B
o f r e g is te r 7 to z e r o
R e s e t R E S T p in
fr o m h ig h to lo w
S e t R E S T p in
fr o m lo w to h ig h
In p u t th e w r ite
c o m m a n d b y te 8 0 H
E n a b le th e o s c illa to r
b y s e ttin g th e M S B o f
r e g is te r 0 to z e r o
R e s e t R E S T p in
fr o m h ig h to lo w
D is a b le th e w r ite p r o te c t
b it a n d e n a b le th e o s c illa to r
D is a b le th e w r ite p r o te c t
b it a n d e n a b le th e o s c illa to r
S e t R E S T p in
fr o m lo w to h ig h
In p u t th e c o m m a n d
b y te s ta r tin g w ith b it 0
*
R e a d o r w r ite th e
c o r r e s p o n d in g r e g is te r d a ta
b y te s ta r tin g w ith b it 0
R e s e t R E S T p in
fr o m h ig h to lo w
S e t R E S T p in
fr o m lo w to h ig h
In p u t th e b u rs t m o d e
c o m m a n d b y te ($ B E o r
$ B F ) s ta r tin g w ith b it 0
* R e a d o r w r ite a ll r e g is te r
d a ta b y te ( 6 4 d a ta b its ) in
th e H T 1 3 8 1 s ta r tin g w ith
b it 0 o f r e g is te r 0
R e s e t R E S T p in
fr o m h ig h to lo w
If a n o th e r r e g is te r
Y es
END
is a c c e s s e d
No
END
END
* In reading data byte from HT1380/HT1381 register, the first data bit to be transmitted at the first
falling edge after the last bit of the command byte is written.
8
September 18, 2000
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