MM32L0020
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- Document
- Tools & Software
- Target Application
- Selection
- Product Information
Product Description
Preliminary information
This device is a 32-bit microcontroller based on the high-performance Arm® Cortex-M0+ 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 SRAM
- 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: 2.0V~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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Product Brief
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MM32L0020 ProductBrief (Chinese)
Chinese 1.1 PDF 886.23KB 2023.03.27Description: Supports MM32L0020 series, provide detailed specifications, pin definition and packaging information.
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MM32L0020 ProductBrief (English)
English 1.1 PDF 706.42KB 2023.03.27Description: Supports MM32L0020 series, provide detailed specifications, pin definition and packaging information.
User Manual
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MM32L0020 User Manual (Chinese)
Chinese 0.5 PDF 11.30MB 2023.03.06Description: Supports MM32L0020 series, providing a complete system architecture, memory and all peripheral details and register descriptions.
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MM32L0020 User Manual (English)
English 0.5 PDF 9.57MB 2023.03.06Description: Supports MM32L0020 series, providing a complete system architecture, memory and all peripheral details and register descriptions.
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-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
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)
DAC (12bit)
ACMP
OpAmp
Pin Counts
Package
Package Size
Operation Temp
-
样片申请Agent Channel Link
- MM32L0020B1N
- M0+
- 48
- 32
- 2
- 18
- -
- 3
- 1
- 1
- 1
- -
- -
- -
- 8ch
- -
- -
- 1
- 2
- 20
- QFN
- 3x3
- -40~85C
-
样片申请Agent Channel Link
- MM32L0020B1T
- M0+
- 48
- 32
- 2
- 18
- -
- 3
- 1
- 1
- 1
- -
- -
- -
- 8ch
- -
- -
- 1
- 2
- 20
- TSSOP
- 4.35x6.45
- -40~85C
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