M38867E8AHP MITSUBISHI [Mitsubishi Electric Semiconductor], M38867E8AHP Datasheet - Page 31

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

MITSUBISHI MICROCOMPUTERS
3886 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
T r a n s f e r c l o c k ( N o t e 1 )
S e r i a l I / O 2 r e g i s t e r
w r i t e s i g n a l
( N o t e 2 )
S e r i a l I / O 2 o u t p u t S
D
D
D
D
D
D
D
D
2
O U T 2
0
1
3
4
5
6
7
S e r i a l I / O 2 i n p u t S
I N 2
R e c e i v e e n a b l e s i g n a l S
R D Y 2
S e r i a l I / O 2 i n t e r r u p t r e q u e s t b i t s e t
N o t e s
1 : W h e n t h e i n t e r n a l c l o c k i s s e l e c t e d a s t h e t r a n s f e r c l o c k , t h e d i v i d e r a t i o c a n b e s e l e c t e d b y s e t t i n g b i t s 0 t o 2 o f t h e s e r i a l
I / O 2 c o n t r o l r e g i s t e r .
2 : W h e n t h e i n t e r n a l c l o c k i s s e l e c t e d a s t h e t r a n s f e r c l o c k , t h e S
p i n g o e s t o h i g h i m p e d a n c e a f t e r t r a n s f e r c o m p l e t i o n .
O U T 2
Fig. 28 Timing of serial I/O2 function
31