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CHAPTER 22 ELECTRICAL SPECIFICATIONS (
(3) Serial interface 1A0 (SIO1A0) (T
(a) 3-wire serial I/O mode, 3-wire serial I/O mode with automatic transmit/receive function
(internal clock output)
Parameter
Symbol
SCK10 cycle time
t
KCY4
SCK10 high-/low-level
t
KH4
width
t
KL4
SI10 setup time
t
SIK4
(to SCK10↑)
SI10 hold time
t
KSI4
(from SCK10↑)
Delay time from SCK10↓
t
KSO4
to SO10 output
Note R and C are the load resistance and load capacitance of the SO10 output line.
(b) 3-wire serial I/O mode, 3-wire serial I/O mode with automatic transmit/receive function
(external clock input)
Parameter
Symbol
SCK10 cycle time
t
KCY5
SCK10 high-/low-level
t
KH5
width
t
KL5
SI10 setup time
t
SIK5
(to SCK10↑)
SI10 hold time
t
KSI5
(from SCK10↑)
Delay time from SCK10↓
t
KSO5
to SO10 output
Note R and C are the load resistance and load capacitance of the SO10 output line.
= –40 to +85°C, V
A
Conditions
V
= 2.7 to 5.5 V
DD
V
= 1.8 to 5.5 V
DD
,
V
= 2.7 to 5.5 V
DD
V
= 1.8 to 5.5 V
DD
V
= 2.7 to 5.5 V
DD
V
= 1.8 to 5.5 V
DD
V
= 2.7 to 5.5 V
DD
V
= 1.8 to 5.5 V
DD
Note
R = 1 kΩ, C = 100 pF
Conditions
V
= 2.7 to 5.5 V
DD
V
= 1.8 to 5.5 V
DD
,
V
= 2.7 to 5.5 V
DD
V
= 1.8 to 5.5 V
DD
V
= 2.7 to 5.5 V
DD
V
= 1.8 to 5.5 V
DD
V
= 2.7 to 5.5 V
DD
V
= 1.8 to 5.5 V
DD
Note
R = 1 kΩ, C = 100 pF
User's Manual U15331EJ4V1UD
µ
PD789488, 78F9488, 789489, 78F9489)
= 1.8 to 5.5 V)
DD
MIN.
800
3200
t
/2–50
KCY4
t
/2–150
KCY4
150
500
400
600
V
= 2.7 to 5.5 V
0
DD
V
= 1.8 to 5.5 V
0
DD
MIN.
800
3200
400
1600
100
150
400
600
V
= 2.7 to 5.5 V
0
DD
V
= 1.8 to 5.5 V
0
DD
TYP.
MAX.
Unit
ns
ns
ns
ns
ns
ns
ns
ns
250
ns
1000
ns
TYP.
MAX.
Unit
ns
ns
ns
ns
ns
ns
ns
ns
300
ns
1000
ns
355
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