M38B79FFFP MITSUBISHI, M38B79FFFP Datasheet - Page 42

• Manufacturer Part Number: M38B79FFFP
• Description: Single-chip 8-bit CMOS microcomputer. ROM 61440 bytes, RAM 2048 bytes. Flash memory version.
• Manufacturer: MITSUBISHI

MITSUBISHI MICROCOMPUTERS
38B7 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
S y n c h r o n o u s c l o c k
T r a n s f e r c l o c k
S e r i a l I / O 3 r e g i s t e r
w r i t e s i g n a l
( N o t e )
D
D
D
D
D
D
D
D
S e r i a l I / O 3 o u t p u t S
0
1
2
3
4
5
6
7
O U T 3
S e r i a l I / O 3 i n p u t S
I N 3
R e c e i v e e n a b l e s i g n a l S
R D Y 3
N o t e: 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
O U T 3
S e r i a l I / O 3 i n t e r r u p t r e q u e s t b i t s e t
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 .
Fig. 43 Timing of serial I/O3 (LSB first)
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