Datasheet
RL78/L12  CHAPTER 30 ELECTRICAL SPECIFICATIONS (A, G: T
A = -40 to +85°C) 
R01UH0330EJ0200 Rev.2.00      888 
Dec 13, 2013 
(6)  Communication at different potential (1.8 V, 2.5 V, 3 V) (CSI mode) (master mode, SCKp... internal clock output) (3/3) 
 (TA = −40 to +85°C, 1.8 V ≤ EVDD = VDD ≤ 5.5 V, VSS = EVSS = 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. 
SIp hold time 
(from SCKp↓) 
Note 2
t
KSI1 4.0 V ≤ EVDD ≤ 5.5 V, 2.7 V ≤ Vb ≤ 4.0 V,
C
b = 30 pF, Rb = 1.4 kΩ 
19 19 19 ns 
2.7 V ≤ EVDD < 4.0 V, 2.3 V ≤ Vb ≤ 2.7 V,
C
b = 30 pF, Rb = 2.7 kΩ 
19 19 19 ns 
2.4 V ≤ EVDD < 3.3 V, 1.6 V ≤ Vb ≤ 2.0 V,
C
b = 30 pF, Rb = 5.5 kΩ 
19 19 19 ns 
1.8 V ≤ EVDD < 3.3 V, 
1.6 V ≤ V
b ≤ 2.0 V
 Note 3
, 
C
b = 30 pF, Rb = 5.5 kΩ 
   19 19 ns 
Delay time from SCKp↑ to 
SOp output 
Note 2
t
KSO1 4.0 V ≤ EVDD ≤ 5.5 V, 2.7 V ≤ Vb ≤ 4.0 V,
C
b = 30 pF, Rb = 1.4 kΩ 
 25 25 25 ns 
2.7 V ≤ EVDD < 4.0 V, 2.3 V ≤ Vb ≤ 2.7 V,
C
b = 30 pF, Rb = 2.7 kΩ 
 25 25 25 ns 
2.4 V ≤ EVDD < 3.3 V, 1.6 V ≤ Vb ≤ 2.0 V,
C
b = 30 pF, Rb = 5.5 kΩ 
 25 25 25 ns 
1.8 V ≤ EVDD < 3.3 V, 
1.6 V ≤ V
b ≤ 2.0 V
 Note 3
, 
C
b = 30 pF, Rb = 5.5 kΩ 
     25 25 ns 
Notes 1.  When DAPmn = 0 and CKPmn = 0, or DAPmn = 1 and CKPmn = 1. 
  2.  When DAPmn = 0 and CKPmn = 1, or DAPmn = 1 and CKPmn = 0. 
 3.  Use it with EV
DD ≥ Vb. 
Caution  Select the TTL input buffer for the SIp pin and the N-ch open drain output (V
DD tolerance (32-pin to 52-
pin products)/EV
DD tolerance (64-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 VIH and VIL, see the DC 
characteristics with TTL input buffer selected. 
<R> 
<R> 










