Key Features
▪ Basic Function
• 32-bit ARM Cortex-M0 CPU
• Integrated 512KB Flash, 64 KB Data SRAM, 8 KB Code Cache
• Support OTA
▪ 2.4G Transceiver
• Support BLE 5.0
• Support two data rates
– 2Mbps
– 1Mbps
• Tx Power -20 ~ 5 dBm in 3 dBm steps
▪ Power Consumption
• Tx mode: 8.5 mA @ 0 dBm Tx power
• Rx mode: 8 mA
• Sleep mode: 13 uA @ 32 K RTC work, SRAM keeps all content
• OFF mode: 0.7 uA
▪ Peripheral
• 17 GPIOs
– Digital peripherals can be mapped to any IO port
– All GPIOs support wake-up input and external interrupt input
– The GPIO output state can be maintained in Sleep mode
• 2x UART
• 6x PWM
• 2x I2C
• 2x SPI
• 1x 12-bit ADC, support 5 single-ended input
• SWD debug
▪ Working Environment
• Working Voltage:1.9 V ~ 3.6 V
• Working Temperature:-40 °C ~ 85 °C
▪ Package
• SMD
• Dimension:16 x 10.5 x 2.3 mm
▪ Certifications
• BQB
• SRRC
• CE
• FCC