M38867E8AHP MITSUBISHI [Mitsubishi Electric Semiconductor], M38867E8AHP Datasheet - Page 48

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

Fig. 45 Structure of I
Note: Do not set “00000
Fig. 46 Address data communication format
48
Table 14 Recommended set value to START/STOP condition set bits (SSC4–SSC0) for each oscillation frequency
f(X
Oscillation
frequency
S T S P
b 7
S E L
IN
( 1 ) A m a s t e r - t r a n s m i t t e r t r a n s n m i t s d a t a t o a s l a v e - r e c e i v e r
( 2 ) A m a s t e r - r e c e i v e r r e c e i v e s d a t a f r o m a s l a v e - t r a n s m i t t e r
( 3 ) A m a s t e r - t r a n s m i t t e r t r a n s m i t s d a t a t o a s l a v e - r e c e i v e r w i t h a 1 0 - b i t a d d r e s s
( 4 ) A m a s t e r - r e c e i v e r r e c e i v e s d a t a f r o m a s l a v e - t r a n s m i t t e r w i t h a 1 0 - b i t a d d r e s s
S : S T A R T c o n d i t i o n
A : A C K b i t
S r : R e s t a r t c o n d i t i o n
) (MHz)
10
S
S
S
S
8
8
4
2
S I S S I P
S l a v e a d d r e s s R / W
S l a v e a d d r e s s R / W
S l a v e a d d r e s s
1 s t 7 b i t s
S l a v e a d d r e s s
1 s t 7 b i t s
S S C 4 S S C 3 S S C 2 S S C 1 S S C 0
7 b i t s
7 b i t s
7 b i t s
7 b i t s
Main clock
divide ratio
2
2
8
2
2
2
2
” or an odd number to the START/STOP condition set bit (SSC4 to SSC0).
C START/STOP condition control register
R / W
R / W
“ 1 ”
“ 0 ”
“ 0 ”
“ 0 ”
b 0
System
clock
(MHz)
P : S T O P c o n d i t i o n
R / W : R e a d / W r i t e b i t
( S 2 D : a d d r e s s 0 0 1 7
I
c o n t r o l r e g i s t e r
5
4
1
2
1
S T A R T / S T O P c o n d i t i o n s e t b i t
S
s e l e c t i o n b i t
S
S T A R T / S T O P c o n d i t i o n g e n e r a t i n g
s e l e c t i o n b i t
2
C S T A R T / S T O P c o n d i t i o n
C L
C L
0 : F a l l i n g e d g e a c t i v e
1 : R i s i n g e d g e a c t i v e
0 : S
1 : S
0 : S e t u p / H o l d t i m e s h o r t m o d e
1 : S e t u p / H o l d t i m e l o n g m o d e
A
A
A
A
/ S
/ S
D A
D A
D A
C L
1 t o 8 b i t s
S l a v e a d d r e s s
2 n d b y t e s
S l a v e a d d r e s s
2 n d b y t e s
1 t o 8 b i t s
control register
START/STOP
i n t e r r u p t p i n p o l a r i t y
i n t e r r u p t p i n s e l e c t i o n b i t
v a l i d
v a l i d
D a t a
XXX11010
XXX11000
XXX00100
XXX01100
XXX01010
XXX00100
D a t a
XXX11110
condition
8 b i t s
8 b i t s
1 6
A
A
)
1 t o 8 b i t s
1 t o 8 b i t s
A
A
D a t a
D a t a
6.75 s (27 cycles)
6.25 s (25 cycles)
1 t o 8 b i t s
6.2 s (31 cycles)
6.5 s (13 cycles)
5.5 s (11 cycles)
S
5.0 s (5 cycles)
5.0 s (5 cycles)
S r
D a t a
CL
release time
A / A
A
S l a v e a d d r e s s
1 s t 7 b i t s
( s)
7 b i t s
A
P
P
1 t o 8 b i t s
D a t a
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
R / W
“ 1 ”
3.25 s (13 cycles)
3.2 s (16 cycles)
3.5 s (14 cycles)
A / A
3.0 s (3 cycles)
3.5 s (7 cycles)
3.0 s (6 cycles)
3.0 s (3 cycles)
Setup time
A
MITSUBISHI MICROCOMPUTERS
( s)
P
1 t o 8 b i t s
D a t a
A
1 t o 8 b i t s
3886 Group
3.25 s (13 cycles)
D a t a
3.0 s (15 cycles)
3.0 s (12 cycles)
2.0 s (2 cycles)
3.0 s (6 cycles)
2.5 s (5 cycles)
2.0 s (2 cycles)
Hold time
( s)
A
P