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EFR32FG12 Datasheet, PDF (30/183 Pages) –
EFR32FG12 Flex Gecko Proprietary Protocol SoC Family Data Sheet
Electrical Specifications
Parameter
Symbol
Test Condition
Min
Typ
Max
Unit
Current consumption in EM2 IEM2_VS
Full 256 kB RAM retention and
—
2.1
—
μA
mode, with voltage scaling
RTCC running from LFXO
enabled, DCDC in LP mode3
Full 256 kB RAM retention and
—
2.2
—
μA
RTCC running from LFRCO
16 kB (1 bank) RAM retention and
—
1.5
—
μA
RTCC running from LFRCO5
Current consumption in EM3 IEM3_VS
mode, with voltage scaling
enabled
Full 256 kB RAM retention and
—
1.81
—
μA
CRYOTIMER running from ULFR-
CO
Current consumption in
EM4H mode, with voltage
scaling enabled
IEM4H_VS
128 byte RAM retention, RTCC
—
running from LFXO
128 byte RAM retention, CRYO-
—
TIMER running from ULFRCO
0.69
0.39
—
μA
—
μA
128 byte RAM retention, no RTCC
—
0.39
—
μA
Current consumption in
EM4S mode
IEM4S
No RAM retention, no RTCC
—
0.06
—
μA
Note:
1. DCDC Low Noise CCM Mode = Light Drive (PFETCNT=NFETCNT=3), F=6.4 MHz (RCOBAND=4), ANASW=DVDD.
2. DCDC Low Noise DCM Mode = Light Drive (PFETCNT=NFETCNT=3), F=3.0 MHz (RCOBAND=0), ANASW=DVDD.
3. DCDC Low Power Mode = Medium Drive (PFETCNT=NFETCNT=7), LPOSCDIV=1, LPCMPBIASEM234H=0, LPCLIMILIM-
SEL=1, ANASW=DVDD.
4. CMU_HFXOCTRL_LOWPOWER=0.
5. CMU_LFRCOCTRL_ENVREF = 1, CMU_LFRCOCTRL_VREFUPDATE = 1
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