M38867E8AHP MITSUBISHI [Mitsubishi Electric Semiconductor], M38867E8AHP Datasheet - Page 14

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

Fig. 10 Port block diagram (1)
14
( 1 ) P o r t P 0
( 3 ) P o r t P 2
( 7 ) P o r t P 4
( 5 ) P o r t P 3
P W M
D a t a b u s
D a t a b u s
D a t a b u s
D a t a b u s
C o m p a r a t o r r e f e r e n c e p o w e r s o u r c e i n p u t
1
o u t p u t p i n s e l e c t i o n b i t
P o r t X
0
0
P W M
s t r u c t u r e s e l e c t i o n b i t
1
P W M
C
s w i t c h b i t
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
P o r t l a t c h
1
P 0
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
D i r e c t i o n
r e g i s t e r
e n a b l e b i t
P o r t l a t c h
1 0
0
– P 0
o u t p u t
3
o u t p u t
P 3
0
– P 3
C o m p a r a t o r r e f e r e n c e i n p u t
3
p u l l - u p c o n t r o l b i t
P o r t P 4
P o r t X
K e y - o n w a k e - u p
1
p i n s e l e c t b i t
O s c i l l a t o r
C o m p a r a t o r
C
s w i t c h b i t
i n p u t
( 2 ) P o r t s P 0
( 4 ) P o r t P 3
( 6 ) P o r t s P 3
( 8 ) P o r t P 4
D a t a b u s
D a t a b u s
P W M
D a t a b u s
D a t a b u s
0
o u t p u t p i n s e l e c t i o n b i t
P o r t X
P 0
P 0
P 1
P 1
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
0
4
0
4
0
P W M
– P 0
– P 0
– P 1
– P 1
1
1
2
P W M
C
– P 0
– P 3
s w i t c h b i t
3
7
3
7
P o r t l a t c h
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
D i r e c t i o n
r e g i s t e r
0
o u t p u t s t r u c t u r e
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
P o r t l a t c h
e n a b l e b i t
D i r e c t i o n
r e g i s t e r
S u b - c l o c k g e n e r a t i n g c i r c u i t i n p u t
0 0
7
7
s e l e c t i o n b i t s
, P 1
o u t p u t
P 3
P 3
MITSUBISHI MICROCOMPUTERS
0
4
– P 3
– P 3
3
7
P 3
,
p u l l - u p c o n t r o l b i t
0
– P 3
3
p u l l - u p c o n t r o l b i t
K e y - o n w a k e - u p
C o m p a r a t o r
3886 Group
K e y - o n w a k e - u p
C o m p a r a t o r
i n p u t
i n p u t