PD178002_15 Datasheet, PDF (36/50 Pages) Renesas Technology Corp – 8-BIT SINGLE-CHIP MICROCONTROLLERS

µPD178002, 178003
(2) Serial interface (TA = –40 to +85°C, VDD = 3.5 to 5.5 V)
(a) Serial interface channel 1
(i) 3-wire serial I/O mode (SCK1 ... internal clock output)
Parameter
SCK1 cycle time
Symbol
Conditions
tKCY1
4.5 V ≤ VDD ≤ 5.5 V
3.5 V ≤ VDD < 4.5 V
SCK1 high-/low-level width
tKH1,
tKL1
4.5 V ≤ VDD ≤ 5.5 V
3.5 V ≤ VDD < 4.5 V
SI1 setup time (to SCK1↑)
tSIK1
4.5 V ≤ VDD ≤ 5.5 V
3.5 V ≤ VDD < 4.5 V
SI1 hold time (from SCK1↑)
tKSI1
SO1 output delay time from SCK1↓ tKSO1
C = 100 pF^Note
MIN.
TYP.
MAX.
Unit
800
ns
1600
ns
tKCY9/2 – 50
ns
tKCY9/2 – 100
ns
100
ns
150
ns
400
ns
300
ns
Note C is the load capacitance of the SO1 output line.
(ii) 3-wire serial I/O mode (SCK1 ... external clock input)
Parameter
SCK1 cycle time
Symbol
Conditions
tKCY2
4.5 V ≤ VDD ≤ 5.5 V
3.5 V ≤ VDD < 4.5 V
SCK1 high-/low-level width
tKH2,
tKL2
4.5 V ≤ VDD ≤ 5.5 V
3.5 V ≤ VDD < 4.5 V
SI1 setup time (to SCK1↑)
tSIK2
SI1 hold time (from SCK1↑)
tKSI2
SO1 output delay time from SCK1↓ tKSO2
C = 100 pF^Note
SCK1 rise/fall time
tR2, tF2
Note C is the load capacitance of the SO1 output line.
MIN.
TYP.
MAX.
Unit
800
ns
1600
ns
400
ns
800
ns
100
ns
400
ns
300
ns
1000
ns
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Data Sheet U12628EJ3V0DS00