Product Info
5
2. The BLE/802.15.4/2.4GHz Radio, USB and Audio (I2S, DMIC, AMIC) are powered
down by default.
3. The power management module and clock should be always powered on, even in
deep sleep.
4. In deep sleep, except for the power management and clock, all other modules
should be powered down.
2.
Key Features
• Bluetooth 5 Compliant, 1Mbps, 2Mbps, Long Range 125kbps and 500kbps
• IEEE802.15.4 compliant, 250kbps
• 2.4GHz proprietary 1Mbps/2Mbps/250kbps/500kbps mode with Adaptive
Frequency Hopping feature support
• 64kB on-chip SRAM with up to 32kB retention
• 512kB internal Flash
• A rich set of I/Os: SPI, I2C, USB, Single wire, up to 16 GPIOs, UART with
hardware flow control,DMIC (Digital Mic) , AMIC (Analog Mic ),I2S, Stereo Audio
output
• 6-channel PWM (Pulse Width Modulation) output
• 10-channel (only GPIO input), 14-bit SAR ADC with 10.5-bit ENOB
3.
Electrical Specifications
Note: The electrical characteristics currently listed in this section are target
specifications and only supplied for reference. Some data may be updated according
to actual test results.
3.1 Absolute Maximum Ratings
Characteristics
Sym
Min
Max
Unit
Supply Voltage
V
DD
-0.3
3.6
V
Voltage on Input Pin
V
i
n
--0.3
VDD+0.3
V
Output Voltage
V
ou
t
0
VDD
V
Storage Temperature Range
T
st
r
-65
250
◦C
Soldering Temperature
T
sl
d
260
◦C
Table 1: Absolute Maximum Ratings
CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause
permanent damage to the device. This is a stress only rating and operation of the
device at these or any other conditions above those indicated in the operational
sections of this specification is not implied.