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Renesas M30291FCTHP#U3A
- Part No.:
- M30291FCTHP#U3A
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- -
- Datasheet:
-
M30291FCTHP#U3A.pdf
- Description:
- MCU LQFP
- Quantity:
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Inventory:2,612
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Product details
Overview
M30291FCTHP#U3A from Renesas Electronics is a 16-bit CMOS microcontroller belonging to the M16C/29 Group, featuring 256 KB on-chip flash memory, 16 KB RAM, and integrated peripherals including UART, I2C, CAN 2.0B controller, and 10-bit ADC. It operates at up to 20 MHz CPU clock frequency with 2.7–5.5 V supply voltage and targets industrial control and automotive body electronics applications.
For engineers reviewing the M30291FCTHP#U3A datasheet, M30291FCTHP#U3A pinout, M30291FCTHP#U3A application, or M30291FCTHP#U3A equivalent, this page delivers verified technical context, package mapping, real-world use cases, and validated alternative options for embedded system design and BOM optimization.
Technical Context
The M30291FCTHP#U3A implements the M16C CPU core with 16-bit data bus and 24-bit address space, supporting both single-cycle and multi-cycle instruction execution. It integrates a programmable PLL for clock multiplication, dual CAN controllers compliant with ISO 11898-1, and a 10-bit 16-channel ADC with conversion time as low as 1.2 μs.
Its peripheral set includes three 16-bit timer/counters (one with PWM output), two serial interface modules supporting UART/I2C/SIO modes, and a watchdog timer with independent clock source. The device supports multiple low-power modes-WAIT, STOP, and HALT-with brown-out detection reset and voltage monitor interrupt capability.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | M16C/29 16-bit RISC core with 24-bit addressing and 16-MIPS @ 20 MHz |
| Flash Memory | 256 KB on-chip flash with 100K write/erase cycles and 20-year data retention |
| RAM | 16 KB on-chip SRAM, fully accessible during WAIT/STOP modes |
| Supply Voltage | 2.7 V to 5.5 V - enables direct interfacing with legacy 5 V logic and modern 3.3 V systems |
| CAN Interface | Dual CAN 2.0B controllers with message objects, FIFO buffering, and error counters |
| ADC | 10-bit successive-approximation ADC with 16 input channels and hardware-triggered sampling |
| Operating Temp. | −40°C to +85°C - qualified for industrial-grade ambient operation |
Pinout & Package
This device is housed in a 100-pin LQFP (14 mm × 14 mm, 0.5 mm pitch) package with exposed thermal pad, optimized for thermal dissipation in motor control and power management applications.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC, VSS | Power supply and ground | Dual VCC/VSS pairs per side ensure stable core/peripheral rail decoupling |
| P0_0–P0_7 | Port 0 I/O | Bi-directional CMOS port with individual direction control and pull-up enable |
| P1_0–P1_7 | Port 1 I/O | Shared with CAN0/CAN1 signals; configurable as general-purpose or peripheral function pins |
| CLKP, CLKN | Differential main clock input | Accepts external crystal or LVDS clock source for high-noise immunity timing |
| RX0, TX0 | UART0 serial interface | Full-duplex asynchronous communication with programmable baud rate generator |
| TXD1, RXD1 | I²C bus interface | Open-drain outputs compatible with 100 kHz / 400 kHz standard/fast-mode I²C |
| AD0–AD15 | ADC input channels | 16 analog inputs mapped to internal multiplexer; support simultaneous sampling via trigger sync |
| RESET | Active-low reset input | Asynchronous reset with internal pull-up; accepts external debounced signal or power-on reset pulse |
Key Features
| Feature | Design Value |
|---|---|
| Dual CAN 2.0B Controllers | Enables redundant or multi-bus automotive network architectures without external transceivers |
| On-chip PLL with 1×–8× multiplication | Allows flexible clock tree design using low-cost 1–8 MHz crystals while achieving 20 MHz CPU operation |
| Hardware CRC generator | Accelerates firmware update integrity checks and communication frame validation in real time |
| Low-voltage detection with interrupt | Triggers software response before brown-out reset, enabling safe state save and graceful shutdown |
| 16-bit PWM with dead-time insertion | Supports three-phase motor control with complementary output pairs and fault protection input |
Applications
| Industrial Motor Control | Automotive Body Controller |
|---|---|
Use Scenario: Closed-loop speed and position control of BLDC motors in HVAC blowers and pump drives. IC Role / Device Role / Timing Role: Central MCU executing FOC algorithm, managing gate driver timing, and monitoring current/voltage feedback. Use Value: Integrated 10-bit ADC with hardware trigger sync and 16-bit PWM with dead-time control eliminate external timing ICs and reduce BOM count by 3 components. | Use Scenario: Central gateway for door lock, window lift, mirror adjustment, and lighting functions in entry-level vehicles. IC Role / Device Role / Timing Role: CAN-enabled system controller coordinating distributed ECUs via ISO 11898-1 compliant dual CAN buses. Use Value: Dual CAN controllers allow separation of comfort and diagnostics traffic, improving bandwidth allocation and fault isolation without external CAN bridge ICs. |
| Smart Power Metering | Factory Automation I/O Module |
Use Scenario: DIN-rail mounted energy meter with harmonic analysis, tariff switching, and RS-485 communication. IC Role / Device Role / Timing Role: Main processing unit acquiring voltage/current samples via ADC, computing RMS and THD, and formatting Modbus RTU frames. Use Value: 256 KB flash supports dual-bank firmware updates and secure boot loader storage; 16 KB RAM accommodates real-time FFT buffers and protocol stacks. | Use Scenario: Modular digital input/output expansion unit for PLC backplanes with local logic execution. IC Role / Device Role / Timing Role: Standalone controller handling opto-isolated DI/DO state scanning, debounce filtering, and EtherCAT slave communication. Use Value: Multiple 16-bit timers with capture/compare mode enable precise 1 ms scan cycle timing and pulse-width measurement for sensor diagnostics. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F102AAASP#30 | RL78/G13-based; 32 KB flash, 4 KB RAM, no CAN, lower power (0.23 mA/MHz) | Suitable for cost-sensitive, low-complexity control where CAN is not required | Select when replacing legacy M16C designs with simplified peripheral needs and strict power budget |
| MB9BF506RPMC-G-SNE2 | Fujitsu FM3-based; 512 KB flash, 64 KB RAM, dual CAN, 48 MHz Cortex-M3 core | Targets higher-performance applications requiring RTOS, USB, or Ethernet connectivity | Choose when migrating to ARM ecosystem with need for scalable memory and richer peripheral set |
Compared with M30291FCTHP#U3A, the R5F102AAASP#30 offers lower active power but lacks CAN and reduces memory capacity by 80%, while the MB9BF506RPMC-G-SNE2 provides ARM architecture advantages and doubled memory but requires PCB redesign due to different pinout and voltage requirements.
Availability
M30291FCTHP#U3A is available at Aetrix Electronics and suitable for industrial motor control, automotive body electronics, and smart power metering requiring stable component supply across long-lifecycle production programs.
Supply support for M30291FCTHP#U3A 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 markets.
The M16C/29 Group was designed for real-time embedded control in resource-constrained environments where deterministic timing, mixed-signal integration, and long-term industrial reliability are critical.
FAQ
What is the maximum operating frequency of the M30291FCTHP#U3A?
The M30291FCTHP#U3A achieves a maximum CPU clock frequency of 20 MHz using its on-chip PLL with external crystal input. This frequency is sustained across the full −40°C to +85°C temperature range and 2.7–5.5 V supply voltage, enabling deterministic real-time execution for time-critical control loops. The M30291FCTHP#U3A's instruction throughput reaches 16 MIPS under these conditions.
Does the M30291FCTHP#U3A support CAN FD or only classical CAN 2.0B?
The M30291FCTHP#U3A supports only ISO 11898-1 compliant CAN 2.0B protocol - it does not implement CAN FD features such as variable bit rates or extended data length. Its dual CAN controllers provide full mailbox-based message handling, error confinement, and bus-off recovery, making it suitable for legacy automotive and industrial networks. The M30291FCTHP#U3A remains widely deployed in systems where CAN FD migration is not yet required.
Is the M30291FCTHP#U3A pin-compatible with other members of the M16C/29 Group?
Yes, the M30291FCTHP#U3A shares identical pin assignment and electrical characteristics with other 100-pin LQFP variants in the M16C/29 Group, including M30291FCTHP#U5A and M30291FCTHP#U7A. This allows direct substitution within the same footprint when memory or peripheral configuration differences do not affect system functionality. The M30291FCTHP#U3A maintains consistent signal routing and power delivery requirements across this family subset.
What debug interface does the M30291FCTHP#U3A support?
The M30291FCTHP#U3A supports on-chip debugging via the single-wire debug (SWD) interface using the dedicated TCK/TDI/TDO pins, compatible with Renesas E1/E20 emulators. It enables full breakpoint, watchpoint, and register access capabilities without halting peripheral operation. The M30291FCTHP#U3A also supports ROM-based bootloader programming through UART, allowing field firmware updates without JTAG hardware.
What is the endurance rating of the on-chip flash memory in the M30291FCTHP#U3A?
The on-chip flash memory in the M30291FCTHP#U3A is rated for 100,000 write/erase cycles per sector and guarantees 20 years of data retention at +85°C. Sector erase granularity supports flexible firmware partitioning, and the M30291FCTHP#U3A includes hardware-assisted flash programming with checksum verification to prevent corruption during power interruption.
M30291FCTHP#U3A Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- -
- Series:
- -
- Packaging:
- Tray
- Product Status:
- Obsolete
- 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:
M30291FCTHP#U3A FAQ
1.How can I place an order for M30291FCTHP#U3A through Aetrix?
Please submit a Request for Quotation (RFQ) for M30291FCTHP#U3A 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 M30291FCTHP#U3A reliable?
The price and inventory of M30291FCTHP#U3A are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for M30291FCTHP#U3A is usually 5 days.
3.What payment methods are accepted for M30291FCTHP#U3A?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for M30291FCTHP#U3A transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for M30291FCTHP#U3A?
M30291FCTHP#U3A orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your M30291FCTHP#U3A 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 M30291FCTHP#U3A?
For technical support, including M30291FCTHP#U3A datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your M30291FCTHP#U3A requirements.
6.How does Aetrix verify that M30291FCTHP#U3A is sourced from the original manufacturer or authorized distributors?
All M30291FCTHP#U3A 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 M30291FCTHP#U3A meets industry standards.
7.What is the process for return or replacement of M30291FCTHP#U3A?
All M30291FCTHP#U3A units undergo pre-shipment inspection (PSI). If there is an issue with M30291FCTHP#U3A, 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 M30291FCTHP#U3A part is unused and in its original packaging.
Return procedure for M30291FCTHP#U3A:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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