MM32L0020
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- Target Application
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- Product Information
Product Description
Preliminary information
This device is a 32-bit microcontroller based on the high-performance Arm® Cortex®-M0 derivative core, operating at a frequency of up to 48MHz, with built-in high-speed memory, an extensive range of enhanced I/O ports and peripherals.
- 32KB Flash and 2KB RAM
- Two UART interfaces (including one LPUART interface), one I2C interface and one SPI interface
- Four 16-bit timers
- One 12-bit SAR ADC with eight external channels whose conversion rate up to 1MSPS
- Two operational amplifiers
- One low-power comparator
- Working voltage: 1.8V~5.5V
- Supported temperature range: -40℃~85℃
- Multiple sets of power-saving modes make possible the design of low-power applications
- Provide TSSOP20 and QFN20 package types
It is suitable for a wide range of applications:
- Portable medical device
- Battery supervision
- Signal sampling
- Firefighting on-site equipment
Product Features

Related Videos
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Application Note
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AN0001 MDK5.18 Installation Guide (Chinese)
简体中文 1.30 PDF 337.74KB 2022.03.10Description: MDK5.18 installation guide, a brief introduction to the establishment of a MM32 chip project.
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AN0005 setting the chip to factory (Chinese)
简体中文 1.40 ZIP 175.64KB 2022.03.10Description: MM32 series chip restore the factory settings
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AN0006 programmer supported by third party (Chinese)
简体中文 1.20 PDF 363.41KB 2022.03.10Description: Third-party tools for programming MM32 products
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AN0012 Installation of MM32 Series Keil pack (Chinese)
简体中文 1.00 PDF 745.44KB 2022.03.10Description: MM32 Series Keil pack installation method
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AN0016 Use J-Flash to program the MM32 (Chinese)
简体中文 1.00 PDF 1.69MB 2022.03.10Description: Brief for Using J-Flash to program MM32 chip
Lib Samples
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No Details
Recommended Tools
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MM32-LINK Emulator
MM32-LINK is an integrated development tool for emulator and programmer
Support Win 10, Win 7 and Windows XP operating systems, no driver installation is required under Win10 environment
Support the whole series of MCU code programming of MM32 Cortex-M to automatically match the targeted chip
Support online ICP SWD programming
Support online ICP automatic programming machine interface
Support offline ICP and APM automatic programming machine interface
In online/offline ICP/APM programming mode, the programming time for 128KB is less than 3 seconds, and for 16KB is less than 0.5 seconds
Micro USB high-speed communication interface provides power supply
Programming adapter options:ICP-Adapter, ISP-Adapter and APM-Adapter
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MM32-LINK Programmer
Online ICP programming and APM automatic programming machine programming
Offline ICP manual/automatic programming and offline APM automatic programming machine programming
Provide traceability service of the programming information
Adopt AES256 encryption method and support remotely authorized programming operations
With high-speed programming algorithm, the online programming time for 128KB Flash is only 2.2~3.0 seconds
Programming adapter options:ICP-Adapter, ISP-Adapter and APM-Adapter
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MM32-DAP
Support CMSIS-DAP protocol for programming, downloading and debugging of MM32 MCU
Fast speed, stable firmware as well as open-source software and hardware
Support single-step debugging
Support the drag and drop function of virtual com port and U disk as well as the upgrade of U disk firmware
Driver-free installation, plug and play
Applicable to all versions of Windows and Linux operating systems
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MM32-LCD cloud programmer
3.2 inch TFT color screen offline programmer
Support one-to-multiple burning
Support the update of remote code data
Support up to 200 mirrors and the setting of burning number
1G space is reserved as U disk for users to use
Automatic programming unction supports automatic IC detection and automatic startup and stop
Support the encryption of chip’s UID and the import and export of algorithm
Recommended Software
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No Details
Target Application
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No Details
Selection
Buy
Part No.
Core
Max Speed (MHz)
Flash (KB)
RAM (KB)
I/O#
Advanced TMR
GP TMR
UART
I²C
SPI
USB 2.0 FS
CAN 2.0B
Ethernet
ADC (1Msps, 12bit)
ADC (3Msps, 12bit)
Pin Counts
Package
Package Size
Operation Temp
-
样片申请Agent Channel Link
- MM32L0020B1N
- M0+
- 48
- 32
- 2
- 18
- -
- 3
- 2
- 1
- 1
- -
- -
- -
- 8ch
- -
- 20
- QFN
- 3x3
- -40~85C
-
样片申请Agent Channel Link
- MM32L0020B1T
- M0+
- 48
- 32
- 2
- 18
- -
- 3
- 2
- 1
- 1
- -
- -
- -
- 8ch
- -
- 20
- TSSOP
- 4.35x6.45
- -40~85C
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Sample Application
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