Users Manual

RF-BM-2642B1
www.szrfstar.com V1.0 - Jan., 2020
Shenzhen RF-star Technology Co., Ltd. Page 11 of 20
retention
RCOSC_LF
RTC running, CPU, 80 KB RAM and (partial) register retention.
XOSC_LF
1.09
μA
Standby
with cache retention
RTC running, CPU, 80 KB RAM and (partial) register retention.
RCOSC_LF
3.2
μA
RTC running, CPU, 80 KB RAM and (partial) register retention.
XOSC_LF
3.3
μA
Idle
Supply Systems and RAM powered RCOSC_HF
675
μA
Active
MCU running CoreMark at 48 MHz
RCOSC_HF
3.39
mA
Peripheral Current Consumption
I
peri
Peripheral power
domain
Delta current with domain enabled
97.7
μA
Serial power domain
Delta current with domain enabled
7.2
μA
RF Core
Delta current with power domain enabled,
clock enabled, RF core idle
210.9
μA
μDMA
Delta current with clock enabled, module is idle
63.9
μA
Timer
Delta current with clock enabled, module is idle
81.0
μA
I2C
Delta current with clock enabled, module is idle
10.1
μA
I2S
Delta current with clock enabled, module is idle
26.3
μA
SSI
Delta current with clock enabled, module is idle
82.9
μA
UART
Delta current with clock enabled, module is idle
167.5
μA
CRYPTO (AES)
Delta current with clock enabled, module is idle
25.6
μA
PKA
Delta current with clock enabled, module is idle
84.7
μA
TRNG
Delta current with clock enabled, module is idle
35.6
μA
Sensor Controller Engine Consumption
I
SCE
Active mode
24 MHz, Infinite loop
808.5
μA
Low-power mode
2 MHz, Infinite loop
30.1
μA