Nordic Semiconductor nRF52840-CKAA-F-R7 BLE 5.3，蓝牙网状网络，NFC，Thread，Zigbee 多协议蓝牙 5.3 SoC，支持低功耗蓝牙、蓝牙网状网络、NFC、Thread 和 Zigbee
ModelnRF52840-CKAA-F-R7
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Core: ARM Cortex M4
Technology: Si
Sensitivity: - 89 dBm
Data RAM Size: 256 kB
Data RAM Type: SRAM
Data Bus Width: 32 bit
Interface Type: I2C, SPI, UART
Mounting Style: SMD/SMT
Maximum Data Rate: 2 Mbps
Program Memory Size: 1 MB
Program Memory Type: Flash
Supply Voltage - Max: 5.5 V
Supply Voltage - Min: 1.7 V
Maximum Clock Frequency: 64 MHz
