Product Description
The MT7668BSN is designed to provide integrated wireless connectivity, local processing, and low power consumption for a variety of IoT and embedded applications. Here’s a deeper look at the chip’s capabilities:
Wireless Connectivity:
The MT7668BSN provides dual connectivity with both Wi-Fi and Bluetooth:
Wi-Fi 4 (802.11 b/g/n) enables devices to connect to networks using the 2.4 GHz frequency band, providing stable communication at speeds up to 72 Mbps. This is suitable for most IoT applications where high-speed internet is not necessary but reliable, long-range connectivity is required.
Bluetooth 4.2 with BLE support allows the chip to communicate with other Bluetooth-enabled devices, providing both classic Bluetooth and low-energy connections. BLE is particularly valuable for battery-operated devices because it minimizes power consumption during communication.
Low Power Consumption:
The MT7668BSN is designed to be highly power-efficient, which is critical for IoT devices that are frequently deployed in remote locations or battery-powered environments. The chip supports various low-power modes, which help extend the battery life of the device.
In deep sleep mode, the power consumption can be drastically reduced, making it ideal for use in applications like wearable devices and remote sensors that spend most of their time idle but still need to maintain wireless connectivity.
Integrated Processing Power:
The 32-bit microcontroller integrated within the MT7668BSN is capable of handling simple tasks, such as processing data from sensors, controlling actuators, and managing wireless communication.
This microcontroller eliminates the need for an external microcontroller, reducing the system’s overall complexity and power consumption.
Security and Encryption:
WPA2 encryption for Wi-Fi ensures secure communication over wireless networks, a critical feature for IoT devices that may be transmitting sensitive data.
Secure boot prevents unauthorized firmware from running on the device, ensuring the integrity of the system’s operation and protecting it from potential security threats.
Flexible I/O and Peripheral Support:
The MT7668BSN provides a wide range of I/O options like SPI, I2C, UART, PWM, and GPIO, making it adaptable for a variety of use cases.
These interfaces make it easy to connect a wide range of peripherals such as temperature sensors, motor controllers, LED displays, and other devices.
Specification
Wi-Fi:
Wi-Fi 4 (802.11 b/g/n) with a maximum data rate of 72 Mbps.
Operates in the 2.4 GHz frequency band, providing reliable connectivity for most IoT applications.
WPA2 security support ensures encrypted wireless communication.
Bluetooth:
Bluetooth 4.2 with Bluetooth Low Energy (BLE) support for low-power, short-range wireless communication.
Ideal for connecting devices such as smartphones, tablets, health trackers, and other Bluetooth-enabled peripherals.
Microcontroller:
Integrated 32-bit microcontroller to handle control tasks and data processing locally without the need for an external processor.
Memory:
The MT7668BSN typically supports up to 128KB SRAM for local processing.
It can interface with external flash memory via SPI to store firmware, user data, and other application-specific content.
Power Supply:
Operating voltage range: 1.8V to 3.6V, allowing it to be used in low-power battery-operated devices.
I/O Interfaces:
Includes multiple I/O interfaces: SPI, I2C, UART, PWM, and GPIO, allowing easy connectivity with sensors, actuators, and other peripheral devices.
