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E-lock

E-lock, unlike the locks that have been improved on the basis of the traditional mechanical locks, refers to those that are more intelligent and convenient in terms of user safety, recognition, and management. E-lock is the executive part of the door lock in the access control system.

Based on MindMotion’s MM32F3270 microcontroller, the E-lock takes MM32F3270 as the fingerprint recognition module, MM32F0130 as the main control and MM32W0130 as the Bluetooth interface:

- MM32F3270 is connected to the fingerprint sensor and used to sample and recognize the fingerprint, and then send the result to the main control

- As the main control, MM32F0130 manages the functions of the entire E-lock, including fingerprint management, bolt motor management, power management, Bluetooth management, RFID smart card management, etc., with an external LCD display and buttons for human-machine interaction

- MM32W0130 is responsible for Bluetooth communication. Its main function is to establish Bluetooth communication with the mobile phone for unlocking, management, etc.



E-lock


Fingerprint identification module

MM32 MCU Model：

MM32F3270 Series

MCU Specifications：

This device is a 32-bit microcontroller based on the high-performance Arm® Cortex-M3 core, operating at a frequency of up to 120MHz, with built-in high-speed memory, an extensive range of enhanced I/O ports and peripherals.
- 512KB Flash, 128KB SRAM
- Three 12-bit ADCs, two 12-bit DACs and two comparators
- Two 16-bit general-purpose timers, two 32-bit general-purpose timers, two 16-bit basic timers and two 16-bit advanced timers
- Two I2C interfaces, three SPI interfaces, three I2S interfaces and 8 UART interfaces
- One USB OTG full-speed interface
- One CAN interface
- One SDIO interface
- Working voltage:2.0V~5.5V
- Working temperature range (ambient temperature): -40℃ to +85℃ industrial type and -40℃ to +105℃ extendable industrial type (V is the suffix)
- Multiple sets of power-saving modes make possible the design of low-power applications.
- Provide five package types: LQFP144, LQFP100, LQFP64, LQFP48 and QFN40

Main control

MM32 MCU Model：

MM32F0130 Series

MCU Specifications：

This device is a 32-bit microcontroller based on the high-performance Arm® Cortex-M0 core, operating at a frequency of up to 72MHz, with built-in high-speed memory, an extensive range of enhanced I/O ports and peripherals.
- 64KB Flash, 16KB SRAM
- One 12-bit ADC and two comparators
- One 16-bit general-purpose timer, one 32-bit general-purpose timer, three 16-bit basic timers and one 16-bit advanced timer
- Two I2C interfaces, two SPI interfaces and two UART interfaces
- One USB interface
- One CAN interface
- Working voltage: 2.0V~5.5V
- Working temperature range (ambient temperature): -40℃ to +85℃ industrial type and -40℃ to +105℃ extendable industrial type (V is the suffix)
- Multiple sets of power-saving modes make possible the design of low-power applications
- Provide five package types: LQFP64, LQFP48, LQFP32, QFN32 and QFN28

Wireless communication

MM32 MCU Model：

MM3W0130 Series

MCU Specifications：

- Arm® Cortex-M0 core, operating at a frequency of up to 72 MHz
- Program memory up to 64KB and data memory up to 16KB
- BLE 5.0 wireless communication
- 2.3V - 3.9V wide voltage for power supply
- Ultra-low power consumption during normal operation and multiple low-power modes being available
- Multiple communication ways like SPI, UART, I2C, USB and CAN
- Multiple update methods like IAP, ISP and OTA
- MM32W0130 supports multiple package types like QFN48 and LQFP48

Features：

- High-speed hardware SPI can quickly communicate with sensors
- Flash with large capacity can store the fingerprints of many users
- Able to quickly process the acquisition, processing as well as feature extraction and comparison of fingerprint image
- Low-power microcontroller can extend the running time of products to 12 months

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