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Renesas rl78 User Manual

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RL78/G1A 
CHAPTER  29   ELECTRICAL  SPECIFICATIONS  (T
A
  =  
−40  to  +85°C) 
R01UH0305EJ0200  Rev.2.00 
 
 
903  
Jul 04, 2013 
LVD Detection Voltage of Interrupt & Reset Mode 
(T
A
 = 
−40 to +85°C, V
PDR
 
≤ V
DD
 
≤ 3.6 V, V
SS
 = 0 V) 
Parameter Symbol 
Conditions 
MIN. 
TYP. 
MAX.
Unit 
V
LVD13
 
VPOC2, VPOC1, VPOC0 = 0, 0, 0, falling reset voltage 
1.60 1.63 1.66  V 
Rising release reset voltage
1.74 1.77 1.81  V 
V
LVD12
 
LVIS1, LVIS0 = 1, 0
Falling interrupt voltage 
1.70 1.73 1.77  V 
Rising release reset voltage
1.84 1.88 1.91  V 
V
LVD11
 
LVIS1, LVIS0 = 0, 1
Falling interrupt voltage 
1.80 1.84 1.87  V 
Rising release reset voltage
2.86 2.92 2.97  V 
V
LVD4
 
 
LVIS1, LVIS0 = 0, 0
Falling interrupt voltage 
2.80 2.86 2.91  V 
V
LVD11
 
VPOC2, VPOC1, VPOC0 = 0, 0, 1, falling reset voltage 
1.80 1.84 1.87  V 
Rising release reset voltage
1.94 1.98 2.02  V 
V
LVD10
 
LVIS1, LVIS0 = 1, 0
Falling interrupt voltage 
1.90 1.94 1.98  V 
Rising release reset voltage
2.05 2.09 2.13  V 
V
LVD9
 
LVIS1, LVIS0 = 0, 1
Falling interrupt voltage 
2.00 2.04 2.08  V 
Rising release reset voltage
3.07 3.13 3.19  V 
V
LVD2
 
 
LVIS1, LVIS0 = 0, 0
Falling interrupt voltage 
3.00 3.06 3.12  V 
V
LVD8
 
VPOC2, VPOC1, VPOC0 = 0, 1, 0, falling reset voltage 
2.40 2.45 2.50  V 
Rising release reset voltage
2.56 2.61 2.66  V 
V
LVD7
 
LVIS1, LVIS0 = 1, 0
Falling interrupt voltage 
2.50 2.55 2.60  V 
Rising release reset voltage
2.66 2.71 2.76  V 
V
LVD6
 
 
LVIS1, LVIS0 = 0, 1
Falling interrupt voltage 
2.60 2.65 2.70  V 
V
LVD5
 
VPOC2, VPOC1, VPOC0 = 0, 1, 1, falling reset voltage 
2.70 2.75 2.81  V 
Rising release reset voltage
2.86 2.92 2.97  V 
V
LVD4
 
LVIS1, LVIS0 = 1, 0
Falling interrupt voltage 
2.80 2.86 2.91  V 
Rising release reset voltage
2.96 3.02 3.08  V 
Interrupt & reset 
mode 
V
LVD3
 
 
LVIS1, LVIS0 = 0, 1
Falling interrupt voltage 
2.90 2.96 3.02  V 
 
Caution  Set the detection voltage (V
LVD
) to be within the operating voltage range.  The operating voltage range 
depends on the setting of the user option byte (000C2H/010C2H).  The following shows the operating 
voltage range. 
 
HS (high-speed main) mode:  V
DD
 = 2.7 to 3.6 V@1 MHz to 32 MHz 
 
V
DD
 = 2.4 to 3.6 V@1 MHz to 16 MHz 
LS (low-speed main) mode:   V
DD
 = 1.8 to 3.6 V@1 MHz to 8 MHz 
LV (low-voltage main) mode:  V
DD
 = 1.6 to 3.6 V@1 MHz to 4 MHz 
 
29.6.5  Supply voltage rise slope characteristics 
 
(T
A
 = 
−40 to +85°C, V
SS
 = 0 V) 
Parameter Symbol
Conditions 
MIN. 
TYP. 
MAX.
Unit 
Supply voltage rise 
SV
DD
  
 
 
54  V/ms 
Caution  Be sure to maintain the internal reset state until V
DD
 reaches the operating voltage range specified in 
29.4  AC Characteristics, by using the LVD circuit or external reset pin.