M38867E8AHP MITSUBISHI [Mitsubishi Electric Semiconductor], M38867E8AHP Datasheet - Page 17

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M38867E8AHP

Manufacturer Part Number
M38867E8AHP
Description
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER??
Manufacturer
MITSUBISHI [Mitsubishi Electric Semiconductor]
Datasheets

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Fig. 13 Port block diagram (4)
6 . T h e i n p u t l e v e l c a n b e s w i t c h e d b e t w e e n C M O S c o m p a t i b l e i n p u t l e v e l a n d S M B U S l e v e l b y t h e I 2 C - B U S i n t e r f a c e p i n i n p u t
( 2 5 ) P o r t s P 7
( 2 7 ) P o r t P 7
D a t a b u s
s e l e c t i o n b i t o f t h e I
D a t a b u s
I
2
C - B U S i n t e r f a c e
7
4 ,
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P 7
P o r t l a t c h
S
D i r e c t i o n
r e g i s t e r
P o r t l a t c h
D i r e c t i o n
r e g i s t e r
C L
5
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C c o n t r o l r e g i s t e r ( a d d r e s s 0 0 1 5
I N T
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4
5
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S
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( 2 6 ) P o r t P 7
( 2 8 ) P o r t P 8
D a t a b u s
D a t a b u s b u f f e r e n a b l e b i t
D a t a b u s
I
2
C - B U S i n t e r f a c e
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
6
e n a b l e b i t
S t a t u s r e g i s t e r 0
S t a t u s r e g i s t e r 1
O u t p u t b u f f e r 0
P o r t l a t c h
O u t p u t b u f f e r 1
S
D i r e c t i o n
r e g i s t e r
S
S
P o r t l a t c h
D A
D i r e c t i o n
r e g i s t e r
0
1
I n p u t b u f f e r 0
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o u t p u t
MITSUBISHI MICROCOMPUTERS
R
3
3
S
D A
i n p u t
3886 Group
6
17

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