上海博通BK7259-WiFi6音视频双Armv8.1-M Cortex-M52单SOC低功耗芯片
BK7259是一款面向高端物联网应用的Wi-Fi6/蓝牙5.4双模芯片，集成双Arm Cortex-M52内核（480MHz）及丰富外设。其采用低功耗设计，支持2.4GHz频段802.11ax标准（20/40MHz带宽）、MU-MIMO、OFDMA等技术，蓝牙5.4支持LE Audio和精确定位功能。芯片具备Arm TrustZone安全架构和浮点运算单元，适用于智能门锁、视频对讲、数字相框等需要
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BK7259是一款高度集成的1x1单频段2.4 GHz Wi-Fi 6（802.11b/g/n/ax）和蓝牙低功耗（LE）5.4组合解决方案，
专为需要大量资源和低功耗的应用设计。双Armv8.1-M Cortex-M52单片机和一整套外设的集成，使BK7259成为高
级物联网（IoT）应用的理想选择。
采用先进的设计技术和超低功耗工艺技术，BK7259为具有大可视屏幕、IP视频对讲机、数字相框、AoV IP摄像
头、HMI应用和其他先进物联网应用的智能门锁提供高集成度和最小功耗。
Wi-Fi®
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IEEE 802.11b/g/n/ax 1x1 compliant
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20/40 MHz channel bandwidth for 2.4 GHz
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Supports downlink Multi-User Multiple-Input Multiple-Output (DL MU-MIMO)
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Supports Orthogonal Frequency Division Multiple Access (OFDMA)
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Supports Target Wake Time (TWT)
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TX and RX Low-Density Parity Check (LDPC) support for extended range
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WPA/WPA2/WPA3-Personal support for enhanced security
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Supports STA and SoftAP modes
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Supports concurrent SoftAP + STA
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TX power up to +20 dBm
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RX sensitivity -98 dBm
Bluetooth® Low Energy
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Bluetooth Low Energy (LE) 5.4
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Supports Bluetooth Low Energy 1 Mbps, 2 Mbps, and long range (125 kbps and 500 kbps)
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Supported Bluetooth Low Energy features: LE Audio, Angle of Arrival (AoA) and Angle of Departure (AoD) direction
finding, 2 Mbps, advertising extensions, and long range
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Supports an antenna array with up to 16 antennas for precise positioning
Dual Cores
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Dual Arm®v8.1-M Cortex®-M52 MCUs at up to 480 MHz
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Arm HeliumTM vector processing enables enhanced DSP and machine learning (ML) processing
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Half-, full-, and double-precision floating-point unit (FPU)
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Arm TrustZone® for system-wide security and protection of software investments
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PACBTI extension (Pointer Authentication, Branch Target Identification) mitigated SW ROP/JOP attacks
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UART flash download
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Serial Wire Debug (SWD) interface
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UART for debugging
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