M38867E8AHP MITSUBISHI [Mitsubishi Electric Semiconductor], M38867E8AHP Datasheet - Page 18

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

Fig. 14 Structure of port I/O related register
18
b 7
b 7
b 0
b 0
P 0
P 0
P 1
P 1
P 3
P 3
P W M
P W M
P 4 i n p u t l e v e l s e l e c t i o n b i t ( P 4
P 7 i n p u t l e v e l s e l e c t i o n b i t ( P 7
P 4 o u t p u t s t r u c t u r e s e l e c t i o n b i t ( P 4
P 8 f u n c t i o n s e l e c t i o n b i t
I N T
T i m e r Y c o u n t s o u r c e s e l e c t i o n b i t
O s c i l l a t i o n s t a b i l i z i n g t i m e s e t a f t e r S T P i n s t r u c t i o n r e l e a s e d b i t
P o r t o u t p u t P 4
( P C T L 1 : a d d r e s s 0 0 2 E
( P C T L 2 : a d d r e s s 0 0 2 F
P o r t c o n t r o l r e g i s t e r 1
0 : C M O S
1 : N - c h a n n e l o p e n - d r a i n
0 : C M O S
1 : N - c h a n n e l o p e n - d r a i n
0 : C M O S
1 : N - c h a n n e l o p e n - d r a i n
0 : C M O S
1 : N - c h a n n e l o p e n - d r a i n
0 : N o p u l l - u p
1 : P u l l - u p
0 : N o p u l l - u p
1 : P u l l - u p
0 : P W M
1 : P W M
0 : P W M
1 : P W M
P o r t c o n t r o l r e g i s t e r 2
0 : C M O S l e v e l i n p u t
1 : T T L l e v e l i n p u t
0 : C M O S l e v e l i n p u t
1 : T T L l e v e l i n p u t
0 : C M O S
1 : N - c h a n n e l o p e n - d r a i n
0 : P o r t P 8 / P o r t P 8 d i r e c t i o n r e g i s t e r
1 : P o r t P 4 i n p u t r e g i s t e r / P o r t P 7 i n p u t r e g i s t e r
0 : I N T
1 : I N T
0 : f ( X
1 : f ( X
1 : N o a u t o m a t i c s e t
0 : O n l y s o f t w a r e c l e a r
1 : S o f t w a r e c l e a r a n d o u t p u t d a t a b u s b u f f e r 0 r e a d i n g
0 : A u t o m a t i c s e t “ 0 1
0
4
0
4
0
4
2
( s y s t e m b u s s i d e )
– P 0
– P 0
– P 1
– P 1
– P 3
– P 3
, I N T
0
1
I N
C I N
e n a b l e b i t
e n a b l e b i t
2 0
2 1
3
7
3
7
3
7
) / 1 6 ( f ( X
o u t p u t s t r u c t u r e s e l e c t i o n b i t
o u t p u t s t r u c t u r e s e l e c t i o n b i t
o u t p u t s t r u c t u r e s e l e c t i o n b i t
o u t p u t s t r u c t u r e s e l e c t i o n b i t
p u l l - u p c o n t r o l b i t
p u l l - u p c o n t r o l b i t
0
0
1
1
, I N T
, I N T
3
)
, I N T
o u t p u t d i s a b l e d
o u t p u t e n a b l e d
o u t p u t d i s a b l e d
o u t p u t e n a b l e d
3 0
3 1
2
4
/ P 4
, I N T
, I N T
C I N
i n t e r r u p t s w i t c h b i t
3
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
) / 1 6 i n l o w - s p e e d m o d e )
c l e a r f u n c t i o n s e l e c t i o n b i t
4 0
4 1
1 6
” t o t i m e r 1 a n d “ F F
i n t e r r u p t
i n t e r r u p t
1 6
1 6
)
)
2
0
MITSUBISHI MICROCOMPUTERS
– P 4
– P 7
6
5
2
)
)
, P 4
3
, P 4
1 6
” t o p r e s c a l e r 1 2
4
, P 4
6
3886 Group
)