Texas Instruments MSPM0L1304SDGS20R

Overview

MSPM0L1304SDGS20R from Texas Instruments is an ultra-low-power 32-bit Arm® Cortex®-M0+ microcontroller operating up to 32 MHz, featuring 16 KB flash, 2 KB SRAM, a 12-bit 1.68-Msps ADC with 8 external channels, two zero-drift chopper op-amps, and integrated temperature sensing - designed for battery-powered industrial sensing and power management systems.

For engineers reviewing the MSPM0L1304SDGS20R datasheet, MSPM0L1304SDGS20R pinout, MSPM0L1304SDGS20R application, or MSPM0L1304SDGS20R equivalent, key selection criteria include its 20-pin VSSOP package, –40°C to 125°C extended temperature rating, 1.62–3.6 V supply range, STANDBY mode consuming only 1.0 µA with full SRAM retention, and dual UART/I²C/SPI interfaces supporting LIN, SMBus, and PMBus protocols.

Technical Context

The MSPM0L1304SDGS20R implements a single-core Arm Cortex-M0+ CPU with on-chip SYSOSC (±1.2% accuracy) and LFOSC (±3%), eliminating need for external crystals. Its analog subsystem integrates configurable VREF (1.4 V or 2.5 V), programmable gain (1–32×) for OPA0/OPA1, and direct analog routing between ADC, OPAs, COMP0, and DAC.

Digital peripherals include four 16-bit timers (eight total PWM outputs), 3-channel DMA, event fabric for low-latency signal routing, and serial wire debug (SWD) with 2-pin interface. Power management supports RUN (71 µA/MHz), STOP (44 µA at 32 kHz), STANDBY (1.0 µA with 32-kHz timer active), and SHUTDOWN (61 nA with IO wakeup).

Key Specifications

Pinout & Package

20-pin VSSOP (DGS) package, 5.1 mm × 4.9 mm body size, with exposed thermal pad recommended to connect to VSS. Pin count and layout optimized for space-constrained industrial modules requiring analog signal conditioning and serial communication.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar microcontroller applications.

Compared with MSPM0L1305SDGS20R and MSPM0L1344SDGS20R, the MSPM0L1304SDGS20R delivers optimal cost/performance balance for fixed-function sensor nodes where 16 KB flash suffices and standard analog routing meets design requirements - avoiding over-specification while retaining full ecosystem compatibility.

Availability

MSPM0L1304SDGS20R is available at Aetrix Electronics and suitable for battery management systems, industrial motor drives, and smart building sensors requiring stable component supply across extended temperature and low-power operation.

Supply support for MSPM0L1304SDGS20R includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Texas Instruments is a global semiconductor leader delivering analog and embedded processing solutions for industrial, automotive, and personal electronics markets.

The MSPM0L130x product line targets ultra-low-power, cost-optimized 32-bit microcontrollers for battery-operated and thermally constrained applications - integrating high-precision analog peripherals with robust digital control in compact packages.

FAQ

What is the maximum operating frequency and core architecture of the MSPM0L1304SDGS20R?

The MSPM0L1304SDGS20R features an Arm Cortex-M0+ CPU with a maximum operating frequency of 32 MHz. This core provides efficient 32-bit processing with low gate count and minimal power consumption, making it ideal for deterministic real-time tasks in resource-constrained environments. The MSPM0L1304SDGS20R maintains full instruction compatibility with the broader MSPM0 family, enabling scalable firmware development across device variants.

How many analog-to-digital converter (ADC) input channels does the MSPM0L1304SDGS20R support?

The MSPM0L1304SDGS20R supports eight external ADC input channels (A0–A7) mapped to physical pins PA27 through PA20 and PA22–PA21. Its 12-bit, 1.68-Msps SAR ADC includes configurable internal voltage reference (1.4 V or 2.5 V) and supports hardware-triggered sampling synchronized with timers or comparators - critical for precise timing in power conversion and motor control applications using the MSPM0L1304SDGS20R.

Does the MSPM0L1304SDGS20R include integrated operational amplifiers, and what are their key specifications?

Yes, the MSPM0L1304SDGS20R integrates two zero-drift, zero-crossover chopper operational amplifiers (OPA0 and OPA1). Each offers 0.5 µV/°C input offset drift, 6-pA input bias current, and programmable gain from 1× to 32×. These OPAs support direct connection to the ADC and comparator, enabling high-accuracy signal conditioning for millivolt-level sensor outputs - a core capability distinguishing the MSPM0L1304SDGS20R in precision analog-intensive designs.

What low-power modes are available on the MSPM0L1304SDGS20R, and what is the lowest active current draw?

The MSPM0L1304SDGS20R supports RUN, STOP, STANDBY, and SHUTDOWN modes. Its lowest active mode is STANDBY, drawing just 1.0 µA while maintaining full SRAM and register retention and running a 32-kHz timer - enabling rapid 3.2 µs wakeup to full 32 MHz operation. This makes the MSPM0L1304SDGS20R especially effective in duty-cycled sensing applications where responsiveness and energy efficiency must coexist.

Which communication interfaces are supported by the MSPM0L1304SDGS20R, and do they operate in low-power modes?

The MSPM0L1304SDGS20R supports two UARTs (one LIN-capable), two I²C interfaces (one FM+ at 1 Mbit/s), and one SPI (up to 16 Mbit/s). All interfaces retain functionality in STANDBY mode, allowing background bus monitoring and wakeup on address match or start condition - essential for maintaining network presence in battery-powered nodes without compromising the MSPM0L1304SDGS20R's ultra-low-power profile.