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Texas Instruments M0L1304QRHBRQ1
- Part No.:
- M0L1304QRHBRQ1
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 32-VFQFN Exposed Pad
- Datasheet:
-
M0L1304QRHBRQ1.pdf
- Description:
- AUTOMOTIVE 32-MHZ ARM CORTEX-M0+
- Quantity:
- Payment:
- Shipping:
Inventory:3,000
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Product details
Overview
M0L1304QRHBRQ1 from Texas Instruments is an AEC-Q100 Grade 1 automotive-qualified 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 10 external channels, two zero-drift chopper op-amps, and integrated temperature sensing - deployed in body electronics, steering wheel systems, and door handle modules.
For engineers reviewing the M0L1304QRHBRQ1 datasheet, M0L1304QRHBRQ1 pinout, M0L1304QRHBRQ1 application, or M0L1304QRHBRQ1 equivalent, key selection criteria include its 32-pin VQFN (RHB) package, -40°C to +125°C operation, 1.62–3.6 V supply range, ultra-low-power STANDBY mode (1.0 µA), and functional safety documentation support for automotive system design.
Technical Context
The M0L1304QRHBRQ1 integrates a 32-bit Arm Cortex-M0+ core with on-chip SYSOSC (±1.2% accuracy, 4–32 MHz) and LFOSC (±3%, 32 kHz), eliminating external crystals. Its analog subsystem includes configurable VREF (1.4 V or 2.5 V), programmable gain (1–32×) for OPAs, and a high-speed comparator with 8-bit reference DAC and 32-ns propagation delay.
Digital peripherals include four 16-bit timers supporting 8 PWM channels, a 3-channel DMA, event fabric signaling, and dual UARTs (one LIN-capable), dual I²C (one FM+, SMBus/PMBus), and one SPI (up to 16 Mbit/s), all operable in STANDBY mode with sub-µA wakeup latency.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M0+, 32 MHz max - enables real-time deterministic control in automotive body ECUs. |
| Flash / SRAM | 16 KB / 2 KB - sufficient for compact firmware with sensor fusion and LIN protocol stack. |
| ADC | 12-bit, 1.68 Msps, 10 external channels - supports fast sampling of multiple analog sensors (e.g., potentiometers, thermistors). |
| OPA | Two zero-drift chopper op-amps (0.5 µV/°C drift, 1–32× gain) - delivers stable signal conditioning without external trimming. |
| Power Modes | STANDBY: 1.0 µA (32-kHz timer active, full SRAM retention, 3.2 µs wakeup) - ideal for always-on occupancy detection. |
| Package | 32-pin VQFN (RHB), 5 mm × 5 mm - surface-mount compatible with automotive PCB thermal and space constraints. |
| Qualification | AEC-Q100 Grade 1 (–40°C to +125°C TA) - certified for under-hood and cabin-mounted automotive applications. |
Pinout & Package
32-pin VQFN (RHB) package with exposed thermal pad (recommended connection to VSS). Pin count, layout, and thermal performance align with automotive production requirements.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| PA20 / SWCLK / A6 | JTAG/SWD clock input | Enables debug access and programming; also serves as ADC channel 6. |
| PA19 / SWDIO | Serial Wire Debug bidirectional data | 2-pin SWD interface reduces debug footprint; shares pin with I²C1_SDA and SPI0_POCI. |
| PA23 / VREF+ | ADC internal reference positive terminal | Configurable 1.4 V or 2.5 V reference source; critical for precision analog measurement stability. |
| PA27 / A0 | ADC channel 0 input | Primary analog input for sensor interfacing; supports wake-up from SHUTDOWN mode. |
| VCORE | Regulated core power output | Internal LDO output (1.2 V typical); decoupling required per datasheet for noise-sensitive analog operation. |
| NRST | Active-low reset input | Hardware reset with glitch filtering; tied to PA1 on 16-pin variants but dedicated on RHB package. |
Key Features
| Feature | Design Value |
|---|---|
| Functional Safety Documentation | TI provides safety manuals and FIT data to accelerate ISO 26262 ASIL-B system-level certification. |
| Programmable Analog Interconnect | Direct routing between ADC, OPAs, COMP, and DAC enables hardware-accelerated signal chains without CPU intervention. |
| Ultra-Low-Power STANDBY Mode | 1.0 µA with 32-kHz timer running and full register/SRAM retention - extends battery life in always-on modules. |
| 5-V-Tolerant Open-Drain IOs | Two pins (PA0, PA1) withstand 5 V logic levels with fail-safe protection - simplifies interface to legacy automotive sensors and LIN transceivers. |
| Integrated Temperature Sensor | On-die sensor calibrated across –40°C to +125°C - enables thermal monitoring of MCU die without external components. |
Applications
| Steering Wheel Systems | Door Handle Modules |
|---|---|
Use Scenario: Real-time detection of button presses, capacitive touch, and rotary encoder position in driver-facing controls. IC Role / Device Role / Timing Role: Main controller executing low-latency input scanning, debouncing, and CAN/LIN message formatting. Use Value: 32-ns comparator response and 1.68-Msps ADC enable sub-millisecond input processing; STANDBY mode maintains readiness at <1 µA. | Use Scenario: Proximity sensing, mechanical actuation feedback, and anti-tamper monitoring in exterior vehicle handles. IC Role / Device Role / Timing Role: Sensor hub aggregating Hall effect, reed switch, and capacitive inputs while managing motor drivers. Use Value: Two zero-drift OPAs condition weak analog signals from proximity sensors; 5-V-tolerant IOs interface directly with 5 V automotive bus lines. |
| Kick-to-Open Modules | Vehicle Occupancy Detection |
Use Scenario: Detecting foot motion beneath rear bumper using ultrasonic or IR time-of-flight sensors. IC Role / Device Role / Timing Role: Signal processor for echo timing, threshold comparison, and wake-up trigger generation. Use Value: High-speed comparator with built-in 8-bit DAC enables precise dynamic thresholding; 32-ns propagation ensures accurate pulse edge capture. | Use Scenario: Monitoring seat occupancy via pressure mats or capacitive seat sensors in conjunction with seatbelt status. IC Role / Device Role / Timing Role: Low-power sensor fusion node performing analog front-end conditioning and digital classification. Use Value: Integrated temperature sensor compensates for OPA/ADC drift across cabin temperature range; SHUTDOWN mode draws only 61 nA with IO wakeup. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MSPM0L1305QRHBRQ1 | 32 KB flash, 4 KB SRAM - double flash capacity, same package and peripheral set. | Suitable for designs requiring larger firmware (e.g., OTA update capability or expanded diagnostics). | Select when firmware growth headroom or additional RAM for buffers is needed; pin-compatible drop-in upgrade. |
| STM32G031K8T6 | Arm Cortex-M0+, 64 MHz, 64 KB flash, 8 KB SRAM, but no chopper op-amps or integrated VREF. | Lacks on-chip precision analog front-end; requires external op-amps and reference for sensor conditioning. | Choose for higher clock speed and memory where analog integration is handled externally; not pin- or feature-compatible. |
Compared with MSPM0L1305QRHBRQ1, M0L1304QRHBRQ1 offers lower memory cost for fixed-function modules; versus STM32G031K8T6, it delivers integrated analog signal chain functionality at lower BOM count and reduced layout complexity for automotive body control.
Availability
M0L1304QRHBRQ1 is available at Aetrix Electronics and suitable for automotive body electronics, steering wheel systems, and door handle modules requiring stable component supply, AEC-Q100 compliance, and long-term industrial availability.
Supply support for M0L1304QRHBRQ1 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, with deep expertise in automotive-grade reliability and functional safety.
The MSPM0L130x-Q1 product line targets cost-optimized, ultra-low-power automotive microcontrollers for body electronics, offering integrated analog peripherals and extended temperature operation to reduce system-level component count.
FAQ
What is the maximum operating frequency and core architecture of the M0L1304QRHBRQ1?
The M0L1304QRHBRQ1 features an Arm Cortex-M0+ core with a maximum operating frequency of 32 MHz. This architecture delivers efficient 32-bit processing with low power consumption, making it well-suited for real-time automotive control tasks such as sensor polling and LIN communication. The M0L1304QRHBRQ1 achieves 71 µA/MHz in RUN mode, balancing performance and energy efficiency.
Does the M0L1304QRHBRQ1 support AEC-Q100 qualification and what temperature grade does it meet?
Yes, the M0L1304QRHBRQ1 is AEC-Q100 qualified for automotive applications and meets Grade 1 specifications, operating reliably from –40°C to +125°C ambient temperature. This qualification covers stress testing for temperature cycling, humidity, and electrical robustness, ensuring suitability for under-dash and cabin-mounted electronic control units where thermal stability is critical.
How much flash memory and SRAM does the M0L1304QRHBRQ1 include, and how is it used in automotive firmware?
The M0L1304QRHBRQ1 includes 16 KB of flash memory and 2 KB of SRAM. This configuration supports compact, deterministic firmware for functions like button debouncing, LIN protocol handling, and basic sensor fusion in modules such as kick-to-open or door handle controllers. The flash supports read-while-write and secure boot features, while the SRAM accommodates runtime variables and interrupt stacks without external memory.
What analog peripherals are integrated into the M0L1304QRHBRQ1 and how do they reduce external component count?
The M0L1304QRHBRQ1 integrates a 12-bit 1.68-Msps ADC with 10 external channels, two zero-drift chopper op-amps (0.5 µV/°C drift), one general-purpose amplifier, one high-speed comparator with 8-bit reference DAC, and an on-chip temperature sensor. These peripherals eliminate the need for external op-amps, reference ICs, and discrete comparators - reducing BOM cost and PCB area in space-constrained automotive modules.
What debug interface does the M0L1304QRHBRQ1 support and how is it implemented physically?
The M0L1304QRHBRQ1 supports 2-pin Serial Wire Debug (SWD) using dedicated pins PA20 (SWCLK) and PA19 (SWDIO). This interface enables full program download, breakpoint setting, and real-time register inspection during development and field diagnostics. Both pins are multiplexed with other functions (e.g., I²C, SPI), but SWD remains accessible without requiring additional package pins or external debug adapters beyond standard ARM-compliant probes.
M0L1304QRHBRQ1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 32-VFQFN Exposed Pad
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- ARM® Cortex®-M0+
- Core Size:
- 32-Bit
- Speed:
- 32MHz
- Connectivity:
- DALI, I2C, IrDA, LINbus, SmartCard, SMBus, SPI, UART/USART
- Peripherals:
- Brown-out Detect/Reset, DMA, POR, PWM, TRNG, WDT
- Number of I/O:
- 28
- Program Memory Size:
- 16KB (16K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 2K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.62V ~ 3.6V
- Data Converters:
- A/D 10x12b SAR
- Oscillator Type:
- External, Internal
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount, Wettable Flank
- Supplier Device Package:
M0L1304QRHBRQ1 FAQ
1.How can I place an order for M0L1304QRHBRQ1 through Aetrix?
Please submit a Request for Quotation (RFQ) for M0L1304QRHBRQ1 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for M0L1304QRHBRQ1 reliable?
The price and inventory of M0L1304QRHBRQ1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for M0L1304QRHBRQ1 is usually 5 days.
3.What payment methods are accepted for M0L1304QRHBRQ1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for M0L1304QRHBRQ1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for M0L1304QRHBRQ1?
M0L1304QRHBRQ1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your M0L1304QRHBRQ1 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for M0L1304QRHBRQ1?
For technical support, including M0L1304QRHBRQ1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your M0L1304QRHBRQ1 requirements.
6.How does Aetrix verify that M0L1304QRHBRQ1 is sourced from the original manufacturer or authorized distributors?
All M0L1304QRHBRQ1 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that M0L1304QRHBRQ1 meets industry standards.
7.What is the process for return or replacement of M0L1304QRHBRQ1?
All M0L1304QRHBRQ1 units undergo pre-shipment inspection (PSI). If there is an issue with M0L1304QRHBRQ1, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The M0L1304QRHBRQ1 part is unused and in its original packaging.
Return procedure for M0L1304QRHBRQ1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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