44.6 Power Consumption

The values in this section are measured values of power consumption under the following conditions, except where noted:
  • Operating conditions
    • CPU is running on flash with 1 wait states for VDD=3.3V and 3 wait states for VDD=1.8V
    • Low power cache is enabled.
    • BOD33 disabled
    • I/Os are inactive input mode with Input trigger disable
  • Oscillators
    • XOSC (crystal oscillator) stopped
    • XOSC32K (32kHz crystal oscillator) running with external 32kHz crystal
    • When in active PL2 mode FDPLL using XOSC32K as reference and running at 32MHz
    • When in active PL0 internal Multi RC Oscillator running at 8MHz or 4MHz
Table 44-7. Active Current Consumption
ModeConditionsRegulator PLClockVDDTaTyp.Max.Units
ACTIVECoremarkLDO ModePL0OSC 8MHz1.8VMax at 85°C Typ at 25°C85126µA/MHz
3.3V90131
OSC 4MHz1.8V94181
3.3V100188
PL2OSC 12MHz1.8V101149
3.3V106151
FDPLL 32MHz1.8V87100
3.3V103116
BUCK ModePL0OSC 8MHz1.8V5581
3.3V4157
OSC 4MHz1.8V62116
3.3V4984
PL2OSC 12MHz1.8V79110
3.3V5276
FDPLL 32MHz1.8V6375
3.3V4653
ACTIVEFIBOLDO ModePL0OSC 8MHz1.8VMax at 85°C Typ at 25°C69111µA/MHz
3.3V71113
OSC 4MHz1.8V78166
3.3V81170
PL2OSC 12MHz1.8V85130
3.3V87132
FDPLL 32MHz1.8V8396
3.3V8396
BUCK ModePL0OSC 8MHz1.8V4471
3.3V3149
OSC 4MHz1.8V52107
3.3V3976
PL2OSC 12MHz1.8V66103
3.3V4263
FDPLL 32MHz1.8V6071
3.3V3542
ACTIVEWhile 1LDO ModePL0OSC 8MHz1.8VMax at 85°C Typ at 25°C5195µA/MHz
3.3V5397
OSC 4MHz1.8V60151
3.3V62154
PL2OSC 12MHz1.8V60109
3.3V62111
FDPLL 32MHz1.8V5675
3.3V5975
BUCK ModePL0OSC 8MHz1.8V3361
3.3V2543
OSC 4MHz1.8V4197
3.3V3370
PL2OSC 12MHz1.8V4784
3.3V3154
FDPLL 32MHz1.8V4355
3.3V2534
IDLE2BUCKPL0OSC 8MHz1.8V1431µA/MHz
3.3V1223
Table 44-8. Current Consumption - Standby Mode(1)
ModeconditionsRegulator ModeVDDTaTyp.Max.Units
STANDBYNo interface runningLPEFF Disable1.8V25°C1.87.6µA
85°C43.2170.4
LPEFF Enable3.3V25°C1.66.9
85°C31.5103.4
RTC running on XOSC32KLPEFF Disable1.8V25°C2.28.1
85°C43.7171.4
LPEFF Enable3.3V25°C2.07.3
85°C32.0104.1
RTC running on ULP32KLPEFF Disable1.8V25°C1.98.0
85°C43.4170.9
LPEFF Enable3.3V25°C1.77.0
85°C31.6103.6
Table 44-9. Current Consumption - BACKUP and OFF Mode
ModeconditionsVDDTaTyp.Max.Units
BACKUPpowered by VDDIO, VDDANA+VDDIO consumption1.8V25°C0.470.79µA
85°C4.48.6
3.3V25°C0.550.9
85°C5.79.9
powered by VDDIO, VBAT consumption1.8V25°C0.0000.00
85°C0.0130.009
3.3V25°C0.0000.00
85°C0.0260.018
powered by VDDIO with RTC running on OSCULP32K, VDDANA+VDDIO consumption1.8V25°C0.550.88
85°C4.48.7
3.3V25°C0.631.0
85°C5.710.0
powered by VDDIO with RTC running on OSCULP32K, VBAT consumption1.8V25°C0.0000.00
85°C0.0080.009
3.3V25°C0.0000.00
85°C0.0150.018
BACKUPpowered by VBAT, VDDANA+VDDIO consumption1.8V25°C0.080.09µA
85°C2.02.2
3.3V25°C0.140.2
85°C3.23.5
powered by VBAT, VBAT consumption1.8V25°C0.380.69
85°C2.36.3
3.3V25°C0.410.73
85°C2.46.4
powered by VBAT with RTC running on OSCULP32K, VDDANA+VDDIO consumption1.8V25°C0.080.09
85°C2.12.3
3.3V25°C0.140.1
85°C3.23.5
powered by VBAT with RTC running on OSCULP32K, VBAT consumption1.8V25°C0.460.77
85°C2.46.4
3.3V25°C0.490.81
85°C2.56.6
OFF VDDIN + VDDANA + VDDIO1.8V25°C0.100.18µA
85°C2.34.5
3.3V25°C0.180.39
85°C3.67.5