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EFR32BG24 | 藍牙® 無線 SoC
EFR32BG24
EFR32BG24 無線 SoC 是使用藍牙低能耗和藍牙網狀網路實現物聯網無線連接的理想選擇,適用於智慧家居、照明和便攜式醫療產品。

產品敘述
EFR32BG24 無線 SoC 是使用藍牙低能耗和藍牙網狀網路實現物聯網無線連接的理想選擇,適用於智慧家居、照明和便攜式醫療產品。憑藉高性能 2.4 GHz RF、低電流消耗、AI/ML 硬體加速器和 Secure Vault 等關鍵特性,物聯網設備製造商可創建智慧、穩健、節能的產品,避免遠程和本地網路攻擊。 ARM Cortex® -M33 運行高達 78 MHz、1.5 MB 的快閃記憶體和 256kB 的 RAM,可為要求苛刻的應用程序提供資源,同時為未來增長留出空間。目標應用包括網關/集線器、感測器、開關、門鎖、智慧插頭、LED 燈泡、燈具、血糖儀和脈搏血氧計。
EFR32BG24 一般規格
Low Power Wireless System-on-Chip
- High Performance 32-bit 78.0 MHz ARM Cortex®-M33 with DSP instruction and floating-point unit for efficient signal processing
- Up to 1536 kB flash program memory
- Up to 256 kB RAM data memory
- 2.4 GHz radio operation
Radio Performance
- -104.5 dBm sensitivity @ 250 kbps O-QPSK DSSS
- -104.9 dBm sensitivity @ 125 kbps GFSK
- -97.5 dBm sensitivity @ 1 Mbit/s GFSK
- -94.4 dBm sensitivity @ 2 Mbit/s GFSK
- TX power up to 19.5 dBm
Low System Energy Consumption
- 4.4 mA RX current (1 Mbps GFSK)
- 5.1 mA TX current @ 0 dBm output power
- 20 mA TX current @ 10 dBm output power
- 155 mA TX current @ 19.5 dBm output power
- 32.2 μA/MHz in Active Mode (EM0) at 39.0 MHz
- 1.3 μA EM2 DeepSleep current (16 kB RAM retention and RTC running from LFRCO)
Wide Selection of MCU Peripherals
- Analog to Digital Converter (IADC)
- 12-bit @ 1 Msps or 16-bit @ 76.9 ksps
- Select OPNs support High Speed Mode (up to 2 Msps) and High Accuracy Mode (up to 16 bits ENOB at 3.8 ksps)
- 2 × Analog Comparator (ACMP)
- 2 × Digital to Analog Converter (VDAC)
- Up to 32 General Purpose I/O pins with output state retention and asynchronous interrupts
- 8 Channel DMA Controller (LDMA)
- 16 Channel Peripheral Reflex System (PRS)
- 3 × 16-bit Timer/Counter with 3 Compare/Capture/PWM channels (TIMER2/3/4)
- 2 × 32-bit Timer/Counter with 3 Compare/Capture/PWM channels (TIMER0/1)
- 32-bit Real Time Counter (SYSRTC)
- 24-bit Low Energy Timer for waveform generation (LETIMER)
- 16-bit Pulse Counter with asynchronous operation (PCNT)
- 2 × Watchdog Timer (WDOG)
- 1 × Universal Synchronous/Asynchronous Receiver/Transmitter (USART), supporting UART/SPI/SmartCard (ISO 7816)/IrDA/I2S
- 2 × Enhanced Universal Synchronous/Asynchronous Receiver/Transmitter (EUSART) supporting UART/SPI/DALI/IrDA
- 2 × I2C interface with SMBus support
- Low-Frequency RC Oscillator with precision mode to replace 32 kHz sleep crystal (LFRCO)
- Keypad scanner supporting up to 6x8 matrix (KEYSCAN)
- Die temperature sensor with +/-TBD degree C accuracy after single-point calibration
Supported Modulation Format
- 2 (G)FSK with fully configurable shaping
- (G)MSK
Protocol Support
- Bluetooth Low Energy (Bluetooth 5.2)
- Bluetooth Mesh
- Proprietary
Wide Operation Range
- 1.71 V to 3.8 V single power supply
- -40 °C to 125 °C
Packages
- QFN40 5 mm × 5 mm × 0.85 mm
- QFN48 6 mm × 6 mm × 0.85 mm
*Silicon Labs Authorized Distributor