Datasheet

RL78/G12 2. ELECTRICAL SPECIFICATIONS (A, D: T
A = −40 to +85°C)
R01DS0193EJ0200 Rev.2.00
Sep 06, 2013
Page 41 of 106
(7) Communication at different potential (2.5 V, 3 V) (CSI mode) (master mode, SCK00... internal clock output,
corresponding CSI00 only)
(T
A = −40 to +85°C, 2.7 V ≤ VDD ≤ 5.5 V, VSS = 0 V)
Parameter Symbol Conditions
HS (high-speed
main) Mode
LS (low-speed
main) Mode
Unit
MIN. MAX. MIN. MAX.
SCK00 cycle time tKCY1 tKCY1 ≥ 2/fCLK
4.0 V ≤ V
DD ≤ 5.5 V,
2.7 V ≤ V
b ≤ 4.0 V,
C
b = 20 pF, Rb = 1.4 kΩ
200 1150 ns
2.7 V ≤ VDD < 4.0 V,
2.3 V ≤ V
b ≤ 2.7 V,
C
b = 20 pF, Rb = 2.7 kΩ
300 1150 ns
SCK00 high-level width tKH1 4.0 V ≤ VDD ≤ 5.5 V, 2.7 V ≤ Vb ≤ 4.0 V,
C
b = 20 pF, Rb = 1.4 kΩ
t
KCY1/2 −
50
tKCY1/2−
50
ns
2.7 V ≤ VDD < 4.0 V, 2.3 V ≤ Vb ≤ 2.7 V,
C
b = 20 pF, Rb = 2.7 kΩ
t
KCY1/2 −
120
t
KCY1/2 −
120
ns
SCK00 low-level width tKL1 4.0 V ≤ VDD ≤ 5.5 V, 2.7 V ≤ Vb ≤ 4.0 V,
C
b = 20 pF, Rb = 1.4 kΩ
t
KCY1/2 −
7
t
KCY1/2 −
50
ns
2.7 V ≤ VDD < 4.0 V, 2.3 V ≤ Vb ≤ 2.7 V,
C
b = 20 pF, Rb = 2.7 kΩ
t
KCY1/2 −
10
t
KCY1/2 −
50
ns
SI00 setup time
(to SCK00↑)
Note 1
t
SIK1 4.0 V ≤ VDD ≤ 5.5 V, 2.7 V ≤ Vb ≤ 4.0 V,
C
b = 20 pF, Rb = 1.4 kΩ
58 479 ns
2.7 V ≤ VDD < 4.0 V, 2.3 V ≤ Vb ≤ 2.7 V,
C
b = 20 pF, Rb = 2.7 kΩ
121 479 ns
SI00 hold time
(from SCK00↑)
Note 1
t
KSI1 4.0 V ≤ VDD ≤ 5.5 V, 2.7 V ≤ Vb ≤ 4.0 V,
C
b = 20 pF, Rb = 1.4 kΩ
10 10 ns
2.7 V ≤ VDD < 4.0 V, 2.3 V ≤ Vb ≤ 2.7 V,
C
b = 20 pF, Rb = 2.7 kΩ
10 10 ns
Delay time from SCK00↓
to SO00 output
Note 1
t
KSO1 4.0 V ≤ VDD ≤ 5.5 V, 2.7 V ≤ Vb ≤ 4.0 V,
C
b = 20 pF, Rb = 1.4 kΩ
60 60 ns
2.7 V ≤ VDD < 4.0 V, 2.3 V ≤ Vb ≤ 2.7 V,
C
b = 20 pF, Rb = 2.7 kΩ
130 130 ns
SI00 setup time
(to SCK00↓)
Note 2
t
SIK1 4.0 V ≤ VDD ≤ 5.5 V, 2.7 V ≤ Vb ≤ 4.0 V,
C
b = 20 pF, Rb = 1.4 kΩ
23 110 ns
2.7 V ≤ VDD < 4.0 V, 2.3 V ≤ Vb ≤ 2.7 V,
C
b = 20 pF, Rb = 2.7 kΩ
33 110 ns
SI00 hold time
(from SCK00↓)
Note 2
t
KSI1 4.0 V ≤ VDD ≤ 5.5 V, 2.7 V ≤ Vb ≤ 4.0 V,
C
b = 20 pF, Rb = 1.4 kΩ
10 10 ns
2.7 V ≤ VDD < 4.0 V, 2.3 V ≤ Vb ≤ 2.7 V,
C
b = 20 pF, Rb = 2.7 kΩ
10 10 ns
Delay time from SCK00↑
to SO00 output
Note 2
t
KSO1 4.0 V ≤ VDD ≤ 5.5 V, 2.7 V ≤ Vb ≤ 4.0 V,
C
b = 20 pF, Rb = 1.4 kΩ
10 10 ns
2.7 V ≤ VDD < 4.0 V, 2.3 V ≤ Vb ≤ 2.7 V,
C
b = 20 pF, Rb = 2.7 kΩ
10 10 ns
(Notes, Caution, and Remarks are listed on the next page.)
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