R5F5671CDDFM datasheet(94/178 Pages) RENESAS

94 / 178 page

R01DS0373EJ0110 Rev.1.10

Page 94 of 178

Apr 15, 2022

RX671 Group

2. Electrical Characteristics

Figure 2.6

LOCO Clock Oscillation Start Timing

Figure 2.7

IWDT-dedicated Low-Speed Clock Oscillation Start Timing

Table 2.18

LOCO and IWDT-Dedicated Low-Speed Clock Timing

Conditions: VCC = AVCC0 = AVCC1 = VCC_USB = VBATT = 2.7 to 3.6 V, 2.7 V ≤ VREFH0 ≤ AVCC0,

VSS = AVSS0 = AVSS1 = VREFL0 = VSS_USB = 0 V,

Ta = Topr

Item

Symbol

Min.

Typ.

Max.

Unit

Test

Conditions

LOCO clock cycle time

tLcyc

3.78

4.16

4.63

µs

LOCO clock oscillation frequency

fLOCO

216 (–10%)

240

264 (+10%)

kHz

LOCO clock oscillation stabilization waiting time

tLOCOWT

—

µs

Figure 2.6

IWDT-dedicated low-speed clock cycle time

tILcyc

7.57

8.33

9.26

µs

IWDT-dedicated low-speed clock oscillation

frequency

fILOCO

108 (–10%)

120

132 (+10%)

kHz

IWDT-dedicated low-speed clock oscillation

stabilization waiting time

tILOCOWT

—

142

190

µs

Figure 2.7

LOCO clock

LOCOCR.LCSTP

tLOCOWT

On-chip oscillator output

OSCOVFSR.ILCOVF

ILOCOCR.ILCSTP

tILOCOWT

IWDT-dedicated

low-speed clock

IWDT-dedicated on-chip

oscillator output

R5F5671CDDFM Datasheet(PDF) 94 Page - Renesas Technology Corp

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