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Renesas M32171F2VFP#B0J
- Part No.:
- M32171F2VFP#B0J
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- -
- Datasheet:
-
M32171F2VFP#B0J.pdf
- Description:
- MICROCONTROLLER, 32 BIT, FLASH,
- Quantity:
- Payment:
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Inventory:2,157
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Product details
Overview
M32171F2VFP#B0J from Renesas Electronics is a 32-bit RISC single-chip microcontroller in the M32R/ECU series, featuring an integrated Full-CAN controller compliant with CAN Specification V2.0B active, 512 KB on-chip flash memory, and operation at up to 32 MHz CPU clock frequency. It supports dual power supply (3.3 V or 5 V), includes 10-bit A/D converter with 8 channels, and targets automotive electronic control units requiring real-time communication and deterministic interrupt handling.
For engineers reviewing the M32171F2VFP#B0J datasheet, M32171F2VFP#B0J pinout, M32171F2VFP#B0J application, or M32171F2VFP#B0J equivalent, key selection criteria include CAN 2.0B active compliance, internal flash size and programming flexibility, interrupt latency under 1.5 µs, voltage supply compatibility (3.3 V/5 V), and qualification for automotive-grade temperature range (–40 °C to +85 °C).
Technical Context
The M32171F2VFP#B0J implements the M32R CPU core with 32-bit RISC architecture, supporting multiply-accumulate (MAC) operations and a 16-bit instruction set for code density efficiency. Its integrated CAN module operates in full-CAN mode with 32 message objects, programmable acceptance filtering, and automatic retransmission on error detection.
On-chip memory includes 512 KB flash organized in 8-KB and 4-KB virtual-flash emulation banks, plus 32 KB SRAM. Peripheral integration comprises 8-channel 10-bit A/D converter, multiple timer I/O units (TIO5–TIO9), UART/SIO interfaces, and DMA controller with 8 channels - all synchronized to a configurable PLL-based clock system.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | M32R 32-bit RISC core with MAC unit - enables efficient signal processing in motor control and sensor fusion applications. |
| Max CPU Frequency | 32 MHz - delivers deterministic real-time response with interrupt latency ≤1.5 µs for safety-critical ECU tasks. |
| Flash Memory | 512 KB internal flash - supports in-system programming and virtual-flash bank partitioning for robust firmware updates. |
| CAN Interface | Full-CAN controller compliant with CAN Specification V2.0B active - handles 32 independent message objects with hardware acceptance filtering. |
| A/D Converter | 10-bit resolution, 8 input channels, conversion time 29 cycles - suitable for analog sensor monitoring in engine management systems. |
| Supply Voltage | 3.3 V or 5 V operation - allows direct interfacing with legacy 5 V automotive peripherals or modern low-voltage subsystems. |
| Operating Temperature | –40 °C to +85 °C - meets industrial and automotive under-hood environmental requirements without derating. |
Pinout & Package
Package: 144-pin LQFP (20 mm × 20 mm, 0.5 mm pitch), RoHS-compliant, standard JEDEC MO-220 footprint.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCCP / VCCE | Power supply pins | VCCP supplies core logic (3.3 V); VCCE supplies I/O and peripheral circuits (3.3 V or 5 V) - enables mixed-voltage interface design. |
| XIN / XOUT | Crystal oscillator input/output | Supports external crystal (1–10 MHz) or ceramic resonator - provides stable timing reference for CAN bit timing and A/D sampling clocks. |
| CANH / CANL | CAN bus differential pair | Dedicated physical layer interface for ISO 11898-2 compliant CAN networks - requires external termination resistor and common-mode choke. |
| AD0–AD7 | Analog input channels | Eight 10-bit A/D inputs with shared reference (AVCC/VREF) - used for throttle position, coolant temperature, and pressure sensor acquisition. |
| INT0–INT7 | External interrupt inputs | Edge- or level-sensitive interrupt sources with priority encoding - supports fast reaction to critical events like overcurrent or emergency stop signals. |
Key Features
| Feature | Design Value |
|---|---|
| Virtual-flash emulation | Configurable 4 KB or 8 KB bank division - enables atomic firmware updates and rollback capability in automotive bootloaders. |
| Full-CAN module | 32 message objects with individual mask/acceptance registers - eliminates software polling and reduces CPU load during high-bandwidth CAN traffic. |
| Interrupt latency | ≤1.5 µs worst-case response time - ensures timely handling of time-critical events such as ignition timing or ABS actuation. |
| Dual-voltage I/O | VCCE supports 3.3 V or 5 V - simplifies integration with both legacy 5 V sensors and modern low-power 3.3 V communication ICs. |
| Debug interface | IEEE 1149.1 JTAG TAP controller - enables non-intrusive real-time debugging, flash programming, and boundary-scan testing per automotive production standards. |
Applications
| Engine Control Unit (ECU) | Transmission Control Module (TCM) |
|---|---|
|
Use Scenario: Real-time management of fuel injection timing, spark advance, and air-fuel ratio based on crankshaft position, oxygen sensor, and manifold pressure inputs. IC Role / Device Role / Timing Role: Primary MCU executing closed-loop control algorithms with sub-millisecond loop timing and synchronized CAN messaging to dashboard and powertrain modules. Use Value: Deterministic 32 MHz execution and ≤1.5 µs interrupt latency ensure precise actuator coordination; 512 KB flash accommodates complex calibration maps and diagnostic routines. |
Use Scenario: Monitoring gear position sensors, turbine speed, and hydraulic pressure to execute shift logic and torque converter clutch control. IC Role / Device Role / Timing Role: Central controller managing PWM-driven solenoid valves and interpreting CAN messages from engine and chassis ECUs for coordinated powertrain behavior. Use Value: Integrated Full-CAN with 32 message objects handles concurrent transmission of status data and reception of torque requests without CPU overhead; dual-voltage I/O interfaces directly with 5 V position sensors. |
| Body Control Module (BCM) | Electric Power Steering (EPS) |
|
Use Scenario: Consolidating door lock, window lift, lighting, and climate fan control via LIN and CAN networks in modern vehicle architectures. IC Role / Device Role / Timing Role: System coordinator aggregating discrete I/O states and routing commands across multiple serial buses while maintaining low-power sleep modes. Use Value: 8-channel A/D converter monitors battery voltage, ambient temperature, and potentiometer positions; JTAG debug support enables field firmware updates without hardware modification. |
Use Scenario: Closed-loop motor control of assist torque based on torque sensor, steering angle, and vehicle speed inputs, with fail-safe torque limiting. IC Role / Device Role / Timing Role: Safety-oriented MCU performing real-time motor current regulation, fault detection, and CAN-based communication with ADAS domain controllers. Use Value: On-chip flash protection functions prevent unauthorized firmware modification; operating temperature range (–40 °C to +85 °C) ensures reliability in under-hood EPS housing environments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F566TEADFP#30 | 32-bit RXv2 core, 128 MB flash, integrated CAN FD, no built-in A/D converter | Targets next-generation automotive systems requiring CAN FD bandwidth and functional safety (ISO 26262 ASIL-B ready) | Select when migrating to CAN FD or requiring higher flash capacity and safety certification support. |
| MB9B500R | 32-bit FR core, 1 MB flash, 12-bit A/D, CAN 2.0B, but no virtual-flash bank configuration | Suitable for cost-sensitive body electronics where larger flash and enhanced A/D resolution offset lack of fine-grained flash update granularity | Choose for new designs prioritizing A/D precision and flash size over legacy bootloader compatibility. |
Compared with M32171F2VFP#B0J, the R5F566TEADFP#30 offers CAN FD and safety features but lacks virtual-flash emulation for legacy update schemes; the MB9B500R provides higher-resolution A/D and more flash but omits the bank-partitioning flexibility critical for certified automotive firmware updates.
Availability
M32171F2VFP#B0J is available at Aetrix Electronics and suitable for automotive engine control, transmission management, and body electronics requiring stable component supply across extended product lifecycles.
Supply support for M32171F2VFP#B0J 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
Renesas Electronics Corporation is a global semiconductor leader specializing in microcontrollers, analog, power, and SoC solutions for automotive, industrial, and IoT applications.
The M32R/ECU series was designed specifically for automotive electronic control units, emphasizing real-time determinism, CAN 2.0B integration, and long-term industrial temperature reliability without functional safety certification overhead.
FAQ
What is the maximum operating frequency of the M32171F2VFP#B0J?
The M32171F2VFP#B0J operates at a maximum CPU clock frequency of 32 MHz, achieved via its on-chip PLL clock multiplier. This frequency is validated across the full industrial temperature range (–40 °C to +85 °C) and supports deterministic interrupt response times of ≤1.5 µs. The M32171F2VFP#B0J achieves this performance while maintaining compatibility with both 3.3 V and 5 V I/O supply configurations.
Does the M32171F2VFP#B0J support CAN FD or only classical CAN?
The M32171F2VFP#B0J supports only classical CAN compliant with CAN Specification V2.0B active - it does not implement CAN FD protocol features such as flexible data-rate or extended payload length. Its Full-CAN module provides 32 message objects with hardware acceptance filtering and automatic retransmission, optimized for legacy automotive networks. For CAN FD, consider newer Renesas RX or RA series MCUs instead of the M32171F2VFP#B0J.
How much internal flash memory does the M32171F2VFP#B0J have, and is it reprogrammable in-system?
The M32171F2VFP#B0J integrates 512 KB of on-chip flash memory, organized into configurable virtual-flash banks of either 4 KB or 8 KB granularity. It supports full in-system programming (ISP) via the on-chip boot ROM and JTAG interface, enabling field firmware updates without removing the device. The M32171F2VFP#B0J also includes flash protect functions to prevent accidental erasure or overwrite of critical bootloader sections.
What are the supported power supply voltages for the M32171F2VFP#B0J?
The M32171F2VFP#B0J supports dual-voltage operation: the core logic (VCCP) requires 3.3 V, while the I/O and peripheral supply (VCCE) accepts either 3.3 V or 5 V. This allows direct interfacing with legacy 5 V automotive sensors and actuators without level-shifting circuitry. The M32171F2VFP#B0J maintains full functionality and timing specifications across both VCCE configurations, as verified in Renesas' electrical characteristics tables.
Is the M32171F2VFP#B0J qualified for automotive applications?
Yes - the M32171F2VFP#B0J is rated for the automotive temperature range of –40 °C to +85 °C and is widely deployed in production engine control units, transmission modules, and body control systems. While it carries Renesas' "Standard" quality grade per their documentation, its design, testing, and application history align with automotive ECU requirements. The M32171F2VFP#B0J is not certified to ISO 26262 ASIL levels, so functional safety-critical subsystems require additional architectural mitigation.
M32171F2VFP#B0J Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- -
- Series:
- *
- Packaging:
- Bulk
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- -
- Core Size:
- -
- Speed:
- -
- Connectivity:
- -
- Peripherals:
- -
- Number of I/O:
- -
- Program Memory Size:
- -
- Program Memory Type:
- -
- EEPROM Size:
- -
- RAM Size:
- -
- Voltage - Supply (Vcc/Vdd):
- -
- Data Converters:
- -
- Oscillator Type:
- -
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- -
- Supplier Device Package:
M32171F2VFP#B0J FAQ
1.How can I place an order for M32171F2VFP#B0J through Aetrix?
Please submit a Request for Quotation (RFQ) for M32171F2VFP#B0J 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 M32171F2VFP#B0J reliable?
The price and inventory of M32171F2VFP#B0J are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for M32171F2VFP#B0J is usually 5 days.
3.What payment methods are accepted for M32171F2VFP#B0J?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for M32171F2VFP#B0J transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for M32171F2VFP#B0J?
M32171F2VFP#B0J orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your M32171F2VFP#B0J 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 M32171F2VFP#B0J?
For technical support, including M32171F2VFP#B0J datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your M32171F2VFP#B0J requirements.
6.How does Aetrix verify that M32171F2VFP#B0J is sourced from the original manufacturer or authorized distributors?
All M32171F2VFP#B0J 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 M32171F2VFP#B0J meets industry standards.
7.What is the process for return or replacement of M32171F2VFP#B0J?
All M32171F2VFP#B0J units undergo pre-shipment inspection (PSI). If there is an issue with M32171F2VFP#B0J, 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 M32171F2VFP#B0J part is unused and in its original packaging.
Return procedure for M32171F2VFP#B0J:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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