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CHAPTER 28 ELECTRICAL SPECIFICATIONS
User’s Manual U19780EJ2V0UD
645
Caution The pins mounted depend on the product. Refer to Caution 2 at the beginning of this chapter.
(c) CSI10 (master mode, SCK10... internal clock output)
Note 1
Parameter Symbol
Conditions
MIN.
TYP.
MAX.
Unit
4.0 V
≤
V
DD
≤
5.5 V
160
ns
2.7 V
≤
V
DD
< 4.0 V
250
ns
SCK10 cycle time
t
KCY1
1.8 V
≤
V
DD
< 2.7 V
500
ns
4.0 V
≤
V
DD
≤
5.5 V
t
KCY1
/2
−
15
Note 2
ns
2.7 V
≤
V
DD
< 4.0 V
t
KCY1
/2
−
25
Note 2
ns
SCK10 high-/low-level width
t
KH1
,
t
KL1
1.8 V
≤
V
DD
< 2.7 V
t
KCY1
/2
−
50
Note 2
ns
4.0 V
≤
V
DD
≤
5.5 V
55
ns
2.7 V
≤
V
DD
< 4.0 V
80
ns
SI10 setup time (to SCK10
↑
) t
SIK1
1.8 V
≤
V
DD
< 2.7 V
170
ns
SI10 hold time (from SCK10
↑
) t
KSI1
30
ns
Delay time from SCK10
↓
to
SO10 output
t
KSO1
C = 50 pF
Note 3
40
ns
Notes
1.
The master mode can be used only when bit 2 (ISC2) of the input switch control register (ISC) is set to 1.
2.
This value is when high-speed system clock (f
XH
) is used.
3.
C is the load capacitance of the SCK10 and SO10 output lines.
(d) CSI10 (slave mode, SCK10... external clock input)
Parameter Symbol
Conditions
MIN.
TYP.
MAX.
Unit
SCK10 cycle time
t
KCY2
400
ns
SCK10 high-/low-level width
t
KH2
,
t
KL2
t
KCY2
/2
ns
SI10 setup time (to SCK10
↑
) t
SIK2
80 ns
SI10 hold time (from SCK10
↑
) t
KSI2
50 ns
4.0 V
≤
V
DD
≤
5.5 V
120
ns
2.7 V
≤
V
DD
< 4.0 V
120
ns
Delay time from SCK10
↓
to
SO10 output
t
KSO2
C = 50 pF
Note
1.8 V
≤
V
DD
< 2.7 V
165
ns
Note
C is the load capacitance of the SO10 output line.