Description and Features
Features
-
Bluetooth LE 5.3
-
up to 24/26/34 GPIOs
-
package size- QFN 6x6, 48 pins
-
Operating temperature range:
-
ER version: -40°C ~ +85°C
-
GR version: -40°C ~ +105°C
-
-
SRAM-256KB, FLASH-1MB/2MB/External
-
Clock- The SoC’s clock sources are a 24 MHz RC oscillator and an external 24 MHz crystal
-
Power supply
-
VBAT (battery): 1.8 V~4.3 V
-
VBUS (USB): 4.5 V~5.5 V
-
Applications
-
IoT modules
-
Smart lighting, smart home devices
-
Smart grid
-
Smart home devices
-
Mobile apps
-
Cloud services
Benefits
-
ultra-low power operation
-
ultra low cost requirements