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PD178004A_15 Datasheet, PDF (41/58 Pages) Renesas Technology Corp – PD178004A_15
µPD178004A, 178006A, 178016A, 178018A
(b) Serial interface channel 1
(i) 3-wire serial I/O mode (SCK1 ... internal clock output)
Parameter
SCK1 cycle time
Symbol
Test Conditions
tKCY9
4.5 V ≤ VDD ≤ 5.5 V
SCK1 high/low-level width
SI1 setup time (to SCK1↑)
3.5 V ≤ VDD < 4.5 V
tKH9,
4.5 V ≤ VDD ≤ 5.5 V
tKL9
3.5 V ≤ VDD < 4.5 V
tSIK9
4.5 V ≤ VDD ≤ 5.5 V
3.5 V ≤ VDD < 4.5 V
SI1 hold time (from SCK1↑)
SO1 output delay time (from SCK1↓)
tKSI9
tKSO9
C = 100 pF Note
Note C is the load capacitance of SO1 output line.
MIN.
TYP.
MAX.
Unit
800
ns
1 600
ns
tKCY9/2 – 50
ns
tKCY9/2 – 100
ns
100
ns
150
ns
400
ns
300
ns
(ii) 3-wire serial I/O mode (SCK1 ... external clock input)
Parameter
Symbol
Test Conditions
SCK1 cycle time
tKCY10 4.5 V ≤ VDD ≤ 5.5 V
3.5 V ≤ VDD < 4.5 V
SCK1 high/low-level width
tKH10,
tKL10
4.5 V ≤ VDD ≤ 5.5 V
3.5 V ≤ VDD < 4.5 V
SI1 setup time (to SCK1↑)
tSIK10
SI1 hold time (from SCK1↑)
tKSI10
SO1 output delay time (from SCK1↓) tKSO10 C = 100 pF Note
SCK1 at rising or falling edge time tR10, tF10
MIN.
800
1 600
400
800
100
400
Note C is the load capacitance of SO1 output line.
TYP. MAX.
Unit
ns
ns
ns
ns
ns
ns
300
ns
1 000
ns
39