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Wi Fi Control MCU ,Wi Fi Audio and Video MCU,Bluetooth Low Power SoC
Wi Fi Control MCU ,Wi Fi Audio and Video MCU,Bluetooth Low Power SoC Bluetooth dual-mode SoC Private protocol chip
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Product
IC/Optical Lotus
WIFI IC
- Product Description
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- Commodity name: Wi Fi Control MCU ,Wi Fi Audio and Video MCU,Bluetooth Low Power SoC
Wi-Fi® • IEEE 802.11b/g/n/ax 1x1 compliant • 20 MHz/40 MHz channel bandwidths for 2.4 GHz • Supports 802.11ax with 20 MHz and 40 MHz channels up to MCS9 • Supports MCS 32 HT duplicate mode • Supports antenna diversity to combat multipath fading and improve reception • Supports dual carrier modulation (DCM) for improved signal reliability and coverage • Supports channel state information (CSI)-based Wi-Fi sensing • Support for 802.11mc precise indoor location positioning • Supports downlink Multi-User Multiple-Input Multiple-Output (DL MU-MIMO) • Supports Orthogonal Frequency Division Multiple Access (OFDMA) • Supports Target Wake Time (TWT) • TX and RX Low-Density Parity Check (LDPC) support for extended range • WPATM/WPA2TM/WPA3TM-Personal support for enhanced security • Supports STA, SoftAP, and Wi-Fi Direct (P2P) modes • Supports concurrent SoftAP + STA • Integrated Bluetooth/Wi-Fi coexistence (PTA) • TX power up to +20 dBm • RX sensitivity -98 dBm Bluetooth® • Dual-mode Bluetooth 5.4 compliant • Dedicated low-power Bluetooth transceiver (BK7258QN88617 and BK7258QN6868 only) • Supports Basic Rate (BR), Enhanced Data Rate (EDR) 2 Mbps and 3 Mbps, Low Energy (LE) 1 Mbps, 2 Mbps, and long range (125 kbps and 500 kbps) • 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 • Supports an antenna array with up to 16 antennas for precise positioning
Core • Arm®v8-M STAR-MC1 MCU at up to 480 MHz: - - - - - Double-precision floating-point unit (FPU) 16 KB ITCM + 16 KB DTCM Embedded TrustZone® Supports DSP instructions with SIMD 3.84 CoreMark®/MHz • UART flash download • Serial Wire Debug (SWD) interface Memories • Flash (XIP): SiP flash up to 8 MB, external flash up to 16 MB • SiP PSRAM: up to 16 MB • Flash/PSRAM expansion: up to 4 GB via QSPI interface • 640 KB Share SRAM • 64 KB ROM • eFuse Clock Management • External oscillators: 26 MHz crystal oscillator (XTALH), 32 kHz crystal oscillator (XTALL) • Internal oscillators: 26–360 MHz digitally controlled oscillator (DCO), 32 kHz ring oscillator (ROSC) • 320 MHz/480 MHz PLL (DPLL) • Audio PLL (APLL) Power Management • 2.5 to 4.35 V VBAT supply • On-chip Power-On Reset (POR) and Brown-Out Detector (BOD) • Embedded buck (DC-DC) converters and LDO regulators • Low power consumption: - - - - - Wi-Fi active mode RX: 17.5 mA Bluetooth LE active mode RX: 12 mA (BK7258QN88617 and BK7258QN6868) Bluetooth LE active mode TX: 19 mA (BK7258QN88617 and BK7258QN6868) Sleep mode: 43 μA Deep sleep mode: 16 μA
Shutdown mode: 2.5 μA Peripherals • GPIOs: 56 in QFN88, 46 in BK7258QN6854 QFN68, 40 in BK7258QN6855 QFN68, 38 in BK7258QN6868 QFN68 • 2x SPI • 2x QSPI • 3x UART, 1 with hardware flow control and flash download support • 1x Smart Card controller (SC) • 1x SDIO • 2x I2C • 1x high-speed USB2.0 (HS) • 1x CAN controller with CAN FD (CAN) • 1x LIN controller (LIN) • 2x general-purpose DMA controller (GDMA), each with 8 channels • 1x DMA2D controller (DMA2D) • 1x rotation module (ROTT) • 2x scaling module (SCALE) • 1x display controller (DISPLAY) supporting RGB and 8080 interfaces • 1x segment LCD controller (SLCD) for up to 8 x 28 segments • 1x JPEG hardware encoder • 1x JPEG hardware decoder • 1x 8-bit CIS DVP interface (CIS) • 1x 720p H.264 video encoder (H.264) • 1x Ethernet MAC interface (ENET) • 12x 32-bit PWM channel • 3x I2S • 1x four-band digital hardware equalizer (EQ) • 2x audio ADC • 1x audio DAC • 1x DMIC • 1x SBC accelerator (SBC) • 12-bit AUX ADC, up to 11 channels
• 6x 32-bit general-purpose timer • 2x watchdog timer (WDT) • 1x real-time counter (RTC) • 1x IrDA • 1x temperature sensor • 1x touch sensor (TOUCH), up to 16 touch sensing I/Os Packaging • QFN88 package, 9 x 9 x 0.9 mm • BK7258QN6854/BK7258QN6855: QFN68 package, 8 x 8 x 0.9 mm • BK7258QN6868: QFN68 package, 7 x 7 x 0.9 mm • Operating temperature range: -40 to +85 °C Applications • HMI (Human Machine Interface) applications • Home appliance - - - - - Refrigerator Air conditioner Thermostat Washing machine Robot cleaner • Smart plug • Smart lighting - - - - Light bulb Light switch Ceiling light Stand light • Others - - - - - Remote controller Toy Drone Industrial terminal Factory automation sensor/switch
- - - - - - - Smart meter Payment terminal Industrial computer Medical devices Kitchen appliances Home automation switch/sensor Door lock Door camera
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Address: 12F, Building C, Tongjian Building, Nanyuan Street, Futian District, Shenzhen
