Selecting the right MCU is a key step in creating an efficient, economical and scalable application. Designers should be able to find a product that balances processing power, power consumption, memory, analog integration, and peripheral devices to meet the performance requirements of the application.
Texas Instruments (TI) provides Arm-based ® Cortex ®- The whole series of MCU products with M0+cores are featured by low power consumption, low cost and high efficiency. These 32 bit processors are ideal for applications that require real-time performance without significant computing overhead.
The Cortex-M0+architecture provides a balanced foundation for a wide variety of embedded designs, ranging from basic sensor nodes to advanced motor control units.
TI launched a full range of MCU for designers, covering three series of Arm Cortex-M0+microcontroller products. All products have different levels of simulation capabilities, from basic to highly "rich" functionality. These analog functions can include integrated peripherals such as 12-bit ADC, operational amplifiers, timers, and communication interfaces (UART, I2C, SPI) to minimize the need for external components. Designers can choose from a variety of package types, such as QFN and TSSOP, to accommodate physical space constraints.
MSPM0 G Series - This series of MCU provides the highest level of integrated simulation functions and is designed for general purpose applications, especially for those applications requiring high-performance mixed signal functions.g. The series has CPU speeds up to 80 MHz and flash memory up to 512 KB, and 12-bit, 1-MSPS ADC with multiple channels, as well as up to three integrated operational amplifiers and various analog comparators.
MSPM0G3107SRHBR (Fig. 1) operates up to 80 MHz with 128 KB flash memory and 32 KB SRAM. The device integrates two 12-bit, 4-MSPS ADCs with simultaneous sampling, as well as up to 111 external channels and a general purpose amplifier (GPAMP). In addition, the device also has a CAN 2.0/3.0 and CAN-FD supporting CAN CAN CAN interface, 4 UARTs, 2 I ² C and 2 SPI interfaces, enhancing the communication function. These functions can adapt to various applications such as motor control and industrial automation. Other models of this MCU are equipped with 32 KB Flash and 16 KB RAM or 64 KB Flash and 32 KB RAM.
Figure 1: Typical dimensions of MSPM0G310x MCU. Picture source: Texas Instruments)
MSPM0 L Series - These devices balance low power consumption with analog functions and are optimized for applications such as sensors and battery-powered devices. The series has clock speeds up to 32 MHz and 8 to 256 KB flash memory, uses 12-bit ADC, analog comparators, and may contain a single operational amplifier.
In this series, MSPM0L1306SRTRR (Figure 2) operates up to 32 MHz, has 64 KB flash memory and 4 KB SRAM, integrates a 12-bit, 1.68 MSPS ADC (up to 10 external channels), two zero drift operational amplifiers, and a high-speed comparator with an 8-bit reference DAC. The device is ideal for sensor and analog front-end applications where long-term operational stability and offset correction are essential.
Figure 2: MSPM0L1306SRTRR MCU encapsulated with Surface-Mounted 16-WFQFN. Picture source: Texas Instruments)
MSPM0 C Series - Suitable for entry-level and cost sensitive applications that still require reliable performance and simple analog sensing capabilities, these MCU's operate up to 24 MHz, contain up to 16 KB flash memory and a basic 12-bit ADC.
For compact automotive applications, the M0C1103QDDFRQ1 (Figure 3) is an automotive MCU operating up to 24 MHz with 8 KB flash memory and 1 KB SRAM. The device integrates a 12-bit ADC and supports communication interfaces such as LIN, I ² C, SPI, UART/USART.