RA4C1 datasheet(76/97 Pages) RENESAS

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Voltage on the

EXLVDVBAT pin

tpw_lvdvbat

Detection voltage

VLVDVBAT

td_lvdvbat

LVDVBAT

td_lvdvbat

Figure 2.53

EXLVDVBAT pin voltage detection circuit timing

2.10

VRTC Pin Voltage Detection Characteristics

Table 2.60

VRTC pin voltage detection characteristics

Conditions: VCC = AVCC = 1.6 to 3.6 V, VRTC = 1.6 to 3.6 V

Parameter

Symbol

Conditi

ons

Min

Typ

Max

Unit

Test conditions

Internal reference

voltage

VLVDVRTC0

Rising

1.61

1.65

1.70

—

Falling

1.55

1.59

1.63

—

VLVDVRTC1

Rising

1.80

1.85

1.90

—

Falling

1.74

1.79

1.84

—

VLVDVRTC2

Rising

1.99

2.05

2.11

—

Falling

1.94

1.99

2.05

—

VLVDVRTC3

Rising

2.19

2.25

2.31

—

Falling

2.13

2.19

2.25

—

VLVDVRTC4

Rising

2.38

2.45

2.52

—

Falling

2.33

2.39

2.46

—

VLVDVRTC5

Rising

2.58

2.65

2.72

—

Falling

2.52

2.59

2.66

—

VLVDVRTC6

Rising

2.77

2.85

2.93

—

Falling

2.71

2.79

2.87

—

VLVDVRTC7

Rising

2.97

3.05

3.13

—

Falling

2.91

2.99

3.07

—

Minimum pulse width

tpw_lvdvrtc

—

500

—

µs

Figure 2.54

Detection delay time

td_lvdvrtc

—

500

µs

Figure 2.54

Operation stabilization

time (after LVDVRTC is

enabled)

td(E-A)_lvdvrtc

—

300

µs

Figure 2.54

Setting change

stabilization time

td_set_lvdvrtc

—

Pin resistor

rin_lvdvrtc

VBTLV

DCR.L

VDE = 1

150

280

MΩ

—

RA4C1 Datasheet

2. Electrical Characteristics

R01DS0457EJ0110 Rev.1.10

Jul 4, 2025

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