Datasheet

RL78/G14 2. ELECTRICAL SPECIFICATIONS (A, D: TA = -40 to +85 C)
R01DS0053EJ0200 Rev. 2.00 Page 92 of 187
Oct 25, 2013
(Notes, Cautions, and Remarks are listed on the next page.)
(9) Communication at different potential (1.8 V, 2.5 V, 3 V) (CSI mode) (slave mode, SCKp... external clock
input)
(T
A = -40 to +85 C, 1.8 V  EVDD0 = EVDD1  VDD  5.5 V, VSS = EVSS0 = EVSS1 = 0 V)
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  EVDD0  5.5 V,
2.7 V
 Vb  4.0 V
24 MHz
 fMCK 14/fMCK ——ns
20 MHz
 fMCK  24 MHz 12/fMCK ——ns
8 MHz
 fMCK  20 MHz 10/fMCK ——ns
4 MHz
 fMCK  8 MHz 8/fMCK 16/fMCK —ns
f
MCK  4 MHz 6/fMCK 10/fMCK 10/fMCK ns
2.7 V
 EVDD0  4.0 V,
2.3 V
 Vb  2.7 V
24 MHz
 fMCK 20/fMCK ——ns
20 MHz
 fMCK  24 MHz 16/fMCK ——ns
16 MHz
 fMCK  20 MHz 14/fMCK ——ns
8 MHz
 fMCK  16 MHz 12/fMCK ——ns
4 MHz
 fMCK  8 MHz 8/fMCK 16/fMCK —ns
f
MCK  4 MHz 6/fMCK 10/fMCK 10/fMCK ns
1.8 V
 EVDD0  3.3 V,
1.6 V
 Vb  2.0 V
Note 2
24 MHz  fMCK 48/fMCK ——ns
20 MHz
 fMCK  24 MHz 36/fMCK ——ns
16 MHz
 fMCK  20 MHz 32/fMCK ——ns
8 MHz
 fMCK  16 MHz 26/fMCK ——ns
4 MHz
 fMCK  8 MHz 16/fMCK 16/fMCK —ns
f
MCK  4 MHz 10/fMCK 10/fMCK 10/fMCK ns
SCKp high-/
low-level width
t
KH2,
t
KL2
4.0 V  EVDD0  5.5 V, 2.7 V  Vb  4.0 V tKCY2/2
- 12
tKCY2/2
- 50
tKCY2/2
- 50
ns
2.7 V
 EVDD0  4.0 V, 2.3 V  Vb  2.7 V tKCY2/2
- 18
tKCY2/2
- 50
tKCY2/2
- 50
ns
1.8 V
 EVDD0  3.3 V, 1.6 V  Vb  2.0 V
Note 2
tKCY2/2
- 50
tKCY2/2
- 50
tKCY2/2
- 50
ns
SIp setup time
(to SCKp
↑)
Note 3
tSIK2 4.0 V  EVDD0  5.5 V, 2.7 V  Vb  4.0 V 1/fMCK
+ 20
1/fMCK
+ 30
1/fMCK
+ 30
ns
2.7 V
 EVDD0  4.0 V, 2.3 V  Vb  2.7 V 1/fMCK
+ 20
1/fMCK
+ 30
1/fMCK
+ 30
ns
1.8 V
 EVDD0  3.3 V, 1.6 V  Vb  2.0 V
Note 2
1/fMCK
+ 30
1/fMCK
+ 30
1/fMCK
+ 30
ns
SIp hold time
(from SCKp
↑)
Note 4
tKSI2 1/fMCK
+ 31
1/fMCK
+ 31
1/fMCK
+ 31
ns
Delay time from
SCKp
 to SOp
output
Note 5
tKSO2 4.0 V  EVDD0  5.5 V, 2.7 V  Vb  4.0 V,
C
b = 30 pF, Rb = 1.4 k
2/fMCK
+ 120
2/fMCK
+ 573
2/fMCK
+ 573
ns
2.7 V
 EVDD0  4.0 V, 2.3 V  Vb  2.7 V,
C
b = 30 pF, Rb = 2.7 k
2/fMCK
+ 214
2/fMCK
+ 573
2/fMCK
+ 573
ns
1.8 V
 EVDD0  3.3 V, 1.6 V  Vb  2.0 V
Note 2
,
C
b = 30 pF, Rv = 5.5 k
2/fMCK
+ 573
2/fMCK
+ 573
2/fMCK
+ 573
ns