RA4W1 datasheet(83/105 Pages) RENESAS

83 / 105 page

R01DS0359EJ0100 Rev.1.00

Page 83 of 105

Mar 31, 2020

RA4W1 Datasheet

2. Electrical Characteristics

2.9

POR and LVD Characteristics

Note 1.

These characteristics apply when noise is not superimposed on the power supply.

Note 2.

# in the symbol Vdet0_# denotes the value of the OFS1.VDSEL1[2:0] bits.

Note 3.

# in the symbol Vdet1_# denotes the value of the LVDLVLR.LVD1LVL[4:0] bits.

Table 2.52

Power-on reset circuit and voltage detection circuit characteristics (1)

Parameter

Symbol

Min

Typ

Max

Unit

Test conditions

Voltage detection

level*1

Power-on reset (POR)

VPOR

1.27

1.42

1.57

Figure 2.68,

Figure 2.69

Voltage detection circuit (LVD0)*2

Vdet0_1

2.68

2.85

2.96

Figure 2.70

At falling edge

VCC

Vdet0_2

2.38

2.53

2.64

Vdet0_3

1.78

1.90

2.02

Voltage detection circuit (LVD1)*3

Vdet1_4

2.98

3.10

3.22

Figure 2.71

At falling edge

VCC

Vdet1_5

2.89

3.00

3.11

Vdet1_6

2.79

2.90

3.01

Vdet1_7

2.68

2.79

2.90

Vdet1_8

2.58

2.68

2.78

Vdet1_9

2.48

2.58

2.68

Vdet1_A

2.38

2.48

2.58

Vdet1_B

2.10

2.20

2.30

Vdet1_C

1.84

1.96

2.05

Vdet1_D

1.74

1.86

1.95

Vdet1_E

1.63

1.75

1.84

Vdet1_F

1.60

1.65

1.73

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