The MT7686DN is a highly integrated microcontroller unit (MCU) featuring Wi-Fi functionality and an Arm Cortex-M4 processor core. It is designed for applications in smart home devices, IoT, and automation systems. The chip supports IEEE 802.11 b/g/n standards, low-power modes, and multiple communication interfaces, making it suitable for battery-powered and cloud-connected devices.
CoreArm Cortex-M4 with FPU
Frequency192 MHz
Voltage1.62V to 3.63V (VRTC), 3.3V (+/-10%) for VPMU/VRF
Memory4MB PSRAM, 4MB Flash
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Technical Specifications
MediaTek MT7686DN technical specifications.
General
| Processor Core | Arm Cortex-M4 with FPU |
| Clock Speed | 192 MHz |
| Memory | 4MB PSRAM, 4MB Flash |
| Wi-Fi Standards | IEEE 802.11 b/g/n (2.4GHz, 1x1) |
| Bandwidth Support | 20 MHz, 40 MHz |
| Security Protocols | WEP, WPA2, WPS, WPA2-Enterprise |
| Interfaces | UART, SPI, I2C, PWM, SDIO, ADC |
| Power Modes | Low Power, RTC Mode |
| Operating Voltage | 1.62V to 3.63V (VRTC), 3.3V (+/-10%) for VPMU/VRF |
| Applications | Home Appliances, Smart Devices, IoT |
| CPU core | ARM Cortex‑M4F |
| CPU frequency, max | 192MHz |
| Embedded SRAM | 384KB |
| Embedded PSRAM | 4MB |
| Embedded Flash | 4MB |
| Wi‑Fi standards | IEEE 802.11 b/g/n (1T1R), 2.4 GHz |
| Peripherals | SDIO, UART, I2C, SPI, I2S, PWM, auxiliary ADC |
Compliance
| RoHS Compliant | Yes |
| Lead Free | Yes |
Datasheet
MediaTek MT7686DN Datasheet
Download the complete datasheet for MediaTek MT7686DN to view detailed technical specifications.
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