User's Manual

4.1.3 Current Consumption
4.1.3.1 Current Consumption 1.85 V without DC-DC Converter
EMU_PWRCFG_PWRCG=NODCDC. EMU_DCDCCTRL_DCDCMODE=BYPASS. See 5.1 Power, Ground, Debug and UART.
Table 4.3. Current Consumption 1.85V without DC/DC
Parameter Symbol Test Condition Min Typ Max Unit
Current consumption in EM0
Active mode with radio disa-
bled, All peripherals disabled
I
ACTIVE
38.4 MHz crystal, CPU running
while loop from flash
— 128 — μA/MHz
38 MHz HFRCO, CPU running
Prime from flash
— 87 — μA/MHz
38 MHz HFRCO, CPU running
while loop from flash
— 103 — μA/MHz
38 MHz HFRCO, CPU running
CoreMark from flash
— 112 — μA/MHz
26 MHz HFRCO, CPU running
while loop from flash
— 105 — μA/MHz
1 MHz HFRCO, CPU running
while loop from flash
— 235 — μA/MHz
Current consumption in EM1
Sleep
mode with radio disa-
bled. All peripherals disabled
I
EM1
38.4 MHz crystal —
61 — μA/MHz
38 MHz HFRCO — 35 — μA/MHz
26 MHz HFRCO — 37 — μA/MHz
1 MHz HFRCO — 167 — μA/MHz
Current consumption in EM2
Deep Sleep
mode.
I
EM2
Full RAM retention and RTCC
running from LFXO
— 3.36 — μA
4 kB RAM retention and RTCC
running from LFRCO
— 3.13 — μA
Current consumption in EM3
Stop mode
I
EM3
Full RAM retention and CRYO-
TIMER running from ULFRCO
— 2.84 — μA
Current consumption in
EM4H Hibernate
mode
I
EM4
128 byte RAM retention, RTCC
running from LFXO
—
1.08 — μA
128 byte RAM retention, CRYO-
TIMER running from ULFRCO
— 0.64 — μA
128 byte RAM retention, no RTCC — 0.63 — μA
Current consumption in
EM4S Shutoff
mode
I
EM4S
No RAM retention, no RTCC —
0.02 — μA
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