Datasheet

RL78/L12 CHAPTER 30 ELECTRICAL SPECIFICATIONS (A, G: T
A = -40 to +85°C)
R01UH0330EJ0200 Rev.2.00 891
Dec 13, 2013
(7) Communication at different potential (1.8 V, 2.5 V, 3 V) (CSI mode) (slave mode, SCKp... external clock input)
(TA = −40 to +85°C, 1.8 V ≤ EVDD = VDD ≤ 5.5 V, VSS = EVSS = 0 V) (1/2)
Parameter Symbol Conditions
HS (high-
speed main)
mode
LS (low-speed
main) mode
LV (low-
voltage main)
mode
Unit
MIN. MAX. MIN. MAX. MIN. MAX.
SCKp cycle time
Note 1
tKCY2 4.0 V ≤ EV DD ≤ 5.5 V,
2.7 V
≤ V b ≤ 4.0 V
20 MHz < f
MCK ≤ 24 MHz 12/fMCK ns
8 MHz < f MCK ≤ 20 MHz 10/fMCK ns
4 MHz < f MCK ≤ 8 MHz 8/fMCK 16/fMCK ns
f MCK ≤ 4 MHz 6/fMCK 10/fMCK 10/fMCK ns
2.7 V ≤ EV DD < 4.0 V,
2.3 V
≤ V b ≤ 2.7 V
20 MHz < f
MCK ≤ 24 MHz 16/fMCK ns
16 MHz < f MCK ≤ 20 MHz 14/fMCK ns
8 MHz < f MCK ≤ 16 MHz 12/fMCK ns
4 MHz < f MCK ≤ 8 MHz 8/fMCK 16/fMCK ns
f MCK ≤ 4 MHz 6/fMCK 10/fMCK 10/fMCK ns
2.4 V ≤ EV DD < 3.3 V,
1.6 V
≤ V b ≤ 2.0 V
20 MHz < f
MCK ≤ 24 MHz 36/fMCK ns
16 MHz < f MCK ≤ 20 MHz 32/fMCK ns
8 MHz < f MCK ≤ 16 MHz 26/fMCK ns
4 MHz < f MCK ≤ 8 MHz 16/fMCK 16/fMCK ns
f MCK ≤ 4 MHz 10/fMCK 10/fMCK 10/fMCK ns
1.8 V ≤ EV DD < 3.3 V,
1.6 V
≤ V b ≤ 2.0 V
Note 2
4 MHz < f MCK ≤ 8 MHz 16/fMCK ns
f MCK ≤ 4 MHz 10/fMCK 10/fMCK ns
SCKp high-/low-level
width
t
KH2,
t
KL2
4.0 V ≤ EV
DD ≤ 5.5 V, 2.7 V ≤ Vb ≤ 4.0 V t KCY2/2
− 12
t KCY2/2
− 50
t KCY2/2
− 50
ns
2.7 V ≤ EVDD < 4.0 V, 2.3 V ≤ Vb ≤ 2.7 V t KCY2/2
− 18
t KCY2/2
− 50
t KCY2/2
− 50
ns
2.4 V ≤ EVDD < 3.3 V, 1.6 V ≤ Vb ≤ 2.0 V t KCY2/2
− 50
t KCY2/2
− 50
t KCY2/2
− 50
ns
1.8 V ≤ EVDD < 3.3 V,
1.6 V ≤ V
b ≤ 2.0 V
Note 2
t KCY2/2
− 50
t KCY2/2
− 50
ns
SIp setup time
(to SCKp↑)
Note 3
t
SIK2 4.0 V ≤ EVDD < 5.5 V, 2.7 V ≤ Vb ≤ 4.0 V 1/f MCK +
20
1/f MCK +
30
1/f MCK +
30
ns
2.7 V ≤ EVDD < 4.0 V, 2.3 V ≤ Vb ≤ 2.7 V 1/f MCK +
20
1/f MCK +
30
1/f MCK +
30
ns
2.4 V ≤ EVDD < 3.3 V, 1.6 V ≤ Vb ≤ 2.0 V 1/f MCK +
30
1/f MCK +
30
1/f MCK +
30
ns
1.8 V ≤ EVDD < 3.3 V,
1.6 V ≤ V
b ≤ 2.0 V
Note 2
1/f MCK +
30
1/f MCK +
30
ns
SIp hold time
(from SCKp↑)
Note 4
t
KSI2 4.0 V ≤ EVDD < 5.5 V, 2.7 V ≤ Vb ≤ 4.0 V 1/f MCK +
31
1/f MCK +
31
1/f MCK +
31
ns
2.7 V ≤ EVDD < 4.0 V, 2.3 V ≤ Vb ≤ 2.7 V 1/f MCK +
31
1/f MCK +
31
1/f MCK +
31
ns
2.4 V ≤ EVDD < 3.3 V, 1.6 V ≤ Vb ≤ 2.0 V 1/f MCK +
31
1/f MCK +
31
1/f MCK +
31
ns
1.8 V ≤ EVDD < 3.3 V,
1.6 V ≤ V
b ≤ 2.0 V
Note 2
1/f MCK +
31
1/f MCK +
31
ns
(Notes, Caution and Remarks are listed on the next page.)
<R>