RX71M_15 Datasheet, PDF (152/228 Pages) Renesas Technology Corp – Renesas MCUs

RX71M Group
5. Electrical Characteristics
Table 5.15 HOCO Clock Timing
Conditions: VCC = AVCC0 = AVCC1 = VCC_USB = V_BATT = 2.7 to 3.6 V, 2.7 ≤ VREFH0 ≤ AVCC0,
VCC_USBA = AVCC_USBA = 3.0 to 3.6 V,
VSS = AVSS0 = AVSS1 = VREFL0 = VSS_USB = VSS1_USBA = VSS2_USBA = PVSS_USBA = AVSS_USBA = 0 V,
T_a = T_opr
Item
HOCO clock oscillation frequency
HOCO clock oscillation stabilization wait time
HOCO clock power supply stabilization time
Symbol
Min.
Typ.
Max.
Unit
Test Conditions
f_HOCO
15.61
16
16.39 MHz –20C  T_a  85C
17.56
18
18.44 MHz
19.52
20
20.48 MHz
15.52
16
16.48 MHz –40C  T_a  –20C
17.46
18
18.54 MHz
19.40
20
20.60 MHz
t_HOCOWT
—
105
149
μs Figure 5.8
t_HOCOP
—
—
150
μs Figure 5.9
HOCOCR.HCSTP
High-speed on-chip
oscillator output
OSCOVFSR.HCOVF
HOCO clock
t_HOCOWT
Figure 5.8
HOCO Clock Oscillation Start Timing (Oscillation is Started by Setting the
HOCOCR.HCSTP Bit)
HOCOPCR.HOCOPCNT
HOCOCR.HCSTP
Internal power supply for
high-speed on-chip oscillator
t_HOCOP
Figure 5.9 High-Speed On-Chip Oscillator Power Supply Control Timing
R01DS0249EJ0100 Rev.1.00
Jan 15, 2015
Page 152 of 228