R5F566TFCDFB datasheet(89/151 Pages) RENESAS

89 / 151 page

R01DS0315EJ0130 Rev.1.30

Page 89 of 151

Oct 06, 2023

RX66T 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 2.23

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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