RA4C1 datasheet(77/97 Pages) RENESAS

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Voltage on the

VRTC pin

tpw_lvdvrtc

Detection voltage

VLVDVRTC

td_lvdvrtc

LVDVRTC

Figure 2.54

VRTC pin voltage detection circuit timing

2.11

EXLVD Pin Voltage Detections

Table 2.61

EXLVD pin voltage detection characteristics

Conditions: VCC = AVCC = 1.6 to 3.6 V

Parameter

Symbol

Conditi

ons

Min

Typ

Max

Unit

Test conditions

Internal reference

voltage

VLVDEXLVD

Rising

1.25

1.33

1.41

—

Falling

1.20

1.28

1.36

—

Minimum pulse width

tpw_lvdexlvd

—

500

—

µs

Figure 2.55

Detection delay time

td_exlvd

—

500

µs

Figure 2.55

Operation stabilization

time (after EXLVD is

enabled)

td(E-A)_exlvd

—

300

µs

Figure 2.55

Pin resistor

rin_exlvd

EXLVD

CR.LVD

E = 1

115

MΩ

—

Voltage on the

EXLVD pin

tpw_lvdexlvd

Detection voltage

VLVDEXLVD

td_exlvd

LVDEXLVD

td_exlvd

Figure 2.55

EXLVD pin voltage detection circuit timing

RA4C1 Datasheet

2. Electrical Characteristics

R01DS0457EJ0110 Rev.1.10

Jul 4, 2025

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