JL AC791N Full Featured Kit Highly Integrated WiFi and Dual-Mode Bluetooth5.2 Audio Development Board

Introduction:
- JL-AC79-DevKit V1.0 is a highly integrated audio and video multimedia system board that combines WiFi 802.11b/g/n and dual-mode Bluetooth V2.1 to V5.3. The equipped AC7916 belongs to the second generation chip of JL wutong. It has a dual core floating point DSP processor with a main frequency up to 320MHz, and its own D-cache, I-cache, MMU, etc. provide powerful computing capabilities for various schemes; And fully supports various communication modes of single antenna 40MHz BW WiFi 802.11b/g/n AP and STA; Provide rich audio and video processing resources such as ADC/DAC/ISC/push screen, and come with PMU module to provide multiple low-power working modes. It can use LDO or DCDC power supply modes to meet the power management needs of the work plan.
- The JL-AC79-DevKit V1.0 development board mainly consists of a base board JL-AC79-DevKitBoard V1.0, a core board JL-AC79-WIFI V1.0, and a screen board JL-AC79-DevKitLCD V1.0. It provides a variety of audio and video development interfaces, including touch screen display, DVP camera, TF card, DAC, USB, ADC, IIC, SPI, PWM and other rich peripheral interfaces. Suitable for high-performance wireless transmission audio and video solutions and application development of smart devices.

Hardware Resources:
CPU:
- Dual core 32DSP, supporting single precision floating-point and mathematical operation acceleration engines, with I-cache, D-cache, MMU functions, and a maximum clock frequency of 320MHz
- Integrated on-chip 578K bytes of SRAM
- 32K bytes 8-Way I-cache (occupying SRAM)
- 32K bytes 8-Way D-cache (occupying SRAM)
- Support external storage such as flash, SDRAM, PSRAM, etc.

Peripheral Interfaces:
- GPIO, IIC, SPI, SDIO, PWM, MCPWM, UART interfaces
- USB1.1 and USB2.0 OTG controllers
- ADC, DAC, IIS, PDM, ISC audio and video interfaces
- 720P DVP camera interface
- EMI, PAP, SPI screen push interface, supports 8/16/32Bit 8080MCU screen, RGB screen supports RGB888 (8-bit)/666 (6-bit)
- Infrared remote control, touch, watchdog, timer

WiFi:
- Supports IEEE 802.11b/g/n
- 802.11n supports MCS0 ~ MCS7, MCS32, 20MHz/40MHz bandwidth
- 800ns and 400ns protection interval
- Supports AP mode, STA mode, and monitor distribution network mode
- AP mode supports multiple base station access
- STA mode supports saving multiple connection networks and connecting to the network with the best matching signal
- Support STA mode cold start fast connection
- Support power save mode
- Support for Open System, WEP, WPA-PSK/WPA2-PSK + TKIP/AES/CCMP encryption methods
- Support breaking away from the 802.11 protocol and directly utilizing the underlying RF to send and receive data packets
- Support connecting CMW270 and other testers to test the RF performance of the board
- Transmission power: DSSS 1M/S 17dBm MCS0 16dBm MCS7 12dBm
- Receiving sensitivity: DSSS 1M/S -95dBm MCS0 -91dBm MCS7 -72dBm

Bluetooth:
- Compliant with Bluetooth V5.3+BR+EDR+BLE specifications
- Supports Bluetooth micro network and scatter network
- Meet the transmission power requirements of Class 2 and Class 3
- Supports all packet types of GFSK and π/4 DQPSK
- Provide +15dBm transmission power
- Receiver sensitivity is -93dBm

Working Conditions:
- Working voltage: 4.5V ~ 5.5V
- Working temperature: -40℃ ~ +85℃

Application Scenarios:
- Children's picture book storytelling machine
- Reading pen/scanning pen/translation pen
- WiFi Bluetooth smart speaker
- Visual doorbell/video door lock/building intelligence
- WiFi surveillance camera IP Camera
- Visual beauty device
- Bluetooth/USB barcode scanner
- Baby monitor
- Pet feeder
- WiFi camera toy
- Smart home/IoT devices

Package Included:
- 1 x Top Board
- 1 x Base Board
- 1 x DVP Camera Module
- 1 x SPI Camera Module
- 1 x Screen Module