Datasheet
RL78/G13  3. ELECTRICAL SPECIFICATIONS (G: T
A = -40 to +105°C) 
Page 155 of 194R01DS0131EJ0310 Rev.3.10 
Nov 15, 2013 
(6)  Communication at different potential (1.8 V, 2.5 V, 3 V) (CSI mode) (master mode, SCKp... internal clock 
output) (1/3) 
 (T
A = −40 to +105°C, 2.4 V ≤ EVDD0 = EVDD1 ≤ VDD ≤ 5.5 V, VSS = EVSS0 = EVSS1 = 0 V) 
Parameter Symbol Conditions  HS (high-speed main) Mode Unit 
MIN. MAX. 
SCKp cycle time  tKCY1 tKCY1 ≥ 4/fCLK 4.0 V ≤ EVDD0 ≤ 5.5 V, 2.7 V ≤ Vb ≤ 4.0 
V, 
C
b = 30 pF, Rb = 1.4 kΩ 
600
 ns 
2.7 V ≤ EVDD0 < 4.0 V, 2.3 V ≤ Vb ≤ 2.7 
V, 
C
b = 30 pF, Rb = 2.7 kΩ 
1000
 ns 
2.4 V ≤ EVDD0 < 3.3 V, 1.6 V ≤ Vb ≤ 2.0 
V, 
C
b = 30 pF, Rb = 5.5 kΩ 
2300
 ns 
SCKp high-level width  tKH1 4.0 V ≤ EVDD0 ≤ 5.5 V, 2.7 V ≤ Vb ≤ 4.0 V, 
C
b = 30 pF, Rb = 1.4 kΩ 
t
KCY1/2 − 150    ns 
2.7 V ≤ EVDD0 < 4.0 V, 2.3 V ≤ Vb ≤ 2.7 V, 
C
b = 30 pF, Rb = 2.7 kΩ 
t
KCY1/2 − 340    ns 
2.4 V ≤ EVDD0 < 3.3 V, 1.6 V ≤ Vb ≤ 2.0 V, 
C
b = 30 pF, Rb = 5.5 kΩ 
t
KCY1/2 − 916    ns 
SCKp low-level width  tKL1 4.0 V ≤ EVDD0 ≤ 5.5 V, 2.7 V ≤ Vb ≤ 4.0 V, 
C
b = 30 pF, Rb = 1.4 kΩ 
t
KCY1/2 − 24    ns 
2.7 V ≤ EVDD0 < 4.0 V, 2.3 V ≤ Vb ≤ 2.7 V, 
C
b = 30 pF, Rb = 2.7 kΩ 
t
KCY1/2 − 36    ns 
2.4 V ≤ EVDD0 < 3.3 V, 1.6 V ≤ Vb ≤ 2.0 V, 
C
b = 30 pF, Rb = 5.5 kΩ 
t
KCY1/2 − 100    ns 
Caution  Select the TTL input buffer for the SIp pin and the N-ch open drain output (V
DD tolerance (When 
20- to 52-pin products)/EVDD tolerance (When 64- to 100-pin products)) mode for the SOp pin and 
SCKp pin by using port input mode register g (PIMg) and port output mode register g (POMg). For 
V
IH and VIL, see the DC characteristics with TTL input buffer selected. 
(Remarks are listed two pages after the next page.) 










