RX72T datasheet(64/120 Pages) RENESAS

64 / 120 page

R01DS0331EJ0110 Rev.1.10

Page 64 of 120

Oct 06, 2023

RX72T Group

2. Electrical Characteristics

Figure 2.9

HOCO Clock Oscillation Start Timing (Oscillation is Started by Setting the

HOCOCR.HCSTP Bit)

Figure 2.10

High-Speed On-Chip Oscillator Power Supply Control Timing

Table 2.21

HOCO Clock Timing

Conditions: VCC = 2.7 to 5.5 V, VCC_USB = 2.7 to 5.5 V, AVCC0 = AVCC1 = AVCC2 = 3.0 to 5.5V,

VSS = VSS_USB = AVSS0 = AVSS1 = AVSS2 = 0 V,

Ta = Topr

Item

Symbol

Min.

Typ.

Max.

Unit

Test Conditions

HOCO clock oscillation frequency

fHOCO

15.61

16.39

MHz

–20°C ≤ Ta ≤ 105°C

17.56

18.44

19.52

20.48

15.52

16.48

–40°C ≤ Ta < –20°C

17.46

18.54

19.40

20.60

HOCO clock oscillation stabilization wait time

tHOCOWT

—

105

149

µs

Figure 2.9

HOCO clock power supply stabilization time

tHOCOP

—

150

Figure 2.10

HOCO clock

HOCOCR.HCSTP

OSCOVFSR.HCOVF

tHOCOWT

High-speed on-chip

oscillator output

Internal power supply for

high-speed on-chip oscillator

HOCOPCR.HOCOPCNT

tHOCOP

HOCOCR.HCSTP

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