CHAPTER 20 ELECTRICAL SPECIFICATIONS
User’s Manual U13850EJ6V0UD
625
(9) 3-wire variable length serial interface (CSI4) timing
(a) Master mode
(T
A
= –40 to +85
°°°°
C, V
DD
= 4.0 to 5.5 V, BV
DD
= EV
DD
= 3.0 to 5.5 V, V
SS
= AV
SS
= BV
SS
= EV
SS
= 0 V)
Parameter
Symbol
Conditions
MIN.
MAX.
Unit
4.0 V
≤
EV
DD
≤
5.5 V
200
ns
SCK4 cycle
<68>
t
KCY1
3.0 V
≤
EV
DD
< 4.0 V
400
ns
4.0 V
≤
EV
DD
≤
5.5 V
60
ns
SCK4 high-level width
<69>
t
KH1
3.0 V
≤
EV
DD
< 4.0 V
140
ns
4.0 V
≤
EV
DD
≤
5.5 V
60
ns
SCK4 low-level width
<70>
t
KL1
3.0 V
≤
EV
DD
< 4.0 V
140
ns
4.0 V
≤
EV
DD
≤
5.5 V
25
ns
SI4 setup time (to SCK4
↑
)
<71>
t
SIK1
3.0 V
≤
EV
DD
< 4.0 V
50
ns
SI4 hold time (from SCK4
↑
)
<72>
t
KSI1
20
ns
Delay time from SCK4
↓
to SO4 output
<73>
t
KSO1
55
ns
(b) Slave mode
(T
A
= –40 to +85
°°°°
C, V
DD
= 4.0 to 5.5 V, BV
DD
= EV
DD
= 3.0 to 5.5 V, V
SS
= AV
SS
= BV
SS
= EV
SS
= 0 V)
Parameter
Symbol
Conditions
MIN.
MAX.
Unit
4.0 V
≤
EV
DD
≤
5.5 V
200
ns
SCK4 cycle
<68>
t
KCY2
3.0 V
≤
EV
DD
< 4.0 V
400
ns
4.0 V
≤
EV
DD
≤
5.5 V
60
ns
SCK4 high-level width
<69>
t
KH2
3.0 V
≤
EV
DD
< 4.0 V
140
ns
4.0 V
≤
EV
DD
≤
5.5 V
60
ns
SCK4 low-level width
<70>
t
KL2
3.0 V
≤
EV
DD
< 4.0 V
140
ns
4.0 V
≤
EV
DD
≤
5.5 V
25
ns
SI4 setup time (to SCK4
↑
)
<71>
t
SIK2
3.0 V
≤
EV
DD
< 4.0 V
50
ns
SI4 hold time (from SCK4
↑
)
<72>
t
KSI2
20
ns
4.0 V
≤
EV
DD
≤
5.5 V
55
ns
Delay time from SCK4
↓
to SO4 output
<73>
t
KSO2
3.0 V
≤
EV
DD
< 4.0 V
100
ns
Содержание V850/SB1
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