4.3 MCU Current Consumption with 3 V Supply
Unless otherwise indicated, typical conditions are: Module supply voltage = 3.0 V. Voltage scaling level = VSCALE1. T
A
= 25 °C. Mini-
mum and maximum values in this table represent the worst conditions across process variation at T
A
= 25 °C.
Table 4.3. MCU Current Consumption with 3 V Supply
Parameter
Symbol
Test Condition
Min
Typ
Max
Unit
Current consumption in EM0
mode with all peripherals dis-
abled
I
ACTIVE
76.8 MHz HFRCO w/ DPLL refer-
enced to 38.4 MHz crystal, CPU
running while loop from flash,
VSCALE2
—
27
—
µA/MHz
76.8 MHz HFRCO w/ DPLL refer-
enced to 38.4 MHz crystal, CPU
running CoreMark loop from flash,
VSCALE2
—
37
—
µA/MHz
38.4 MHz crystal, CPU running
Prime from flash
—
28
—
µA/MHz
38.4 MHz crystal, CPU running
while loop from flash
—
26
—
µA/MHz
38.4 MHz crystal, CPU running
CoreMark loop from flash
—
38
—
µA/MHz
38 MHz HFRCO, CPU running
while loop from flash
—
22
—
µA/MHz
76.8 MHz HFRCO w/ DPLL refer-
enced to 38.4 MHz crystal, CPU
running Prime from flash,
VSCALE2
—
28
—
µA/MHz
Current consumption in EM1
mode with all peripherals dis-
abled
I
EM1
76.8 MHz HFRCO w/ DPLL refer-
enced to 38.4 MHz crystal,
VSCALE2
—
17
—
µA/MHz
38.4 MHz crystal
—
17
—
µA/MHz
38 MHz HFRCO
—
13
—
µA/MHz
Current consumption in EM2
mode, VSCALE0
I
EM2_VS
Full RAM retention and RTC run-
ning from LFXO
—
1.40
—
µA
Full RAM retention and RTC run-
ning from LFRCO
—
1.40
—
µA
Full RAM retention and RTC run-
ning from LFRCO in precision
mode
—
1.75
—
µA
24 kB RAM retention and RTC
running from LFXO
—
1.32
—
µA
24 kB RAM retention and RTC
running from LFRCO in precision
mode
—
1.66
—
µA
8 kB RAM retention and RTC run-
ning from LFXO
—
1.21
—
µA
8 kB RAM retention and RTC run-
ning from LFRCO
—
1.20
—
µA
Current consumption in EM3
mode, VSCALE0
I
EM3_VS
8 kB RAM retention and RTC run-
ning from ULFRCO
—
1.05
—
µA
BGM220S Wireless Gecko Bluetooth
®
Module Data Sheet
Electrical Characteristics
silabs.com
| Building a more connected world.
Rev. 1.1 | 11