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Renesas M30291FAHP#U3A
- Part No.:
- M30291FAHP#U3A
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
M30291FAHP#U3A.pdf
- Description:
- IC MCU 16BIT 96KB FLASH 64LFQFP
- Quantity:
- Payment:
- Shipping:
Inventory:4,661
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Product details
Overview
M30291FAHP#U3A from Renesas Electronics is a 16-bit CMOS microcontroller in the M16C/29 Group, designed for embedded control in industrial and consumer systems. It features 256 KB on-chip flash memory, 16 KB RAM, a 16-bit CPU core operating at up to 20 MHz, and integrated peripherals including UART, I²C, PWM timers, and 10-bit ADC. It targets motor control, power supply management, and appliance control applications.
For engineers reviewing the M30291FAHP#U3A datasheet, M30291FAHP#U3A pinout, M30291FAHP#U3A application, or M30291FAHP#U3A equivalent, key selection criteria include its 100-pin LQFP package, 3.3 V operation, 10-bit 16-channel ADC resolution, CAN 2.0B interface support, and built-in watchdog timer with window function.
Technical Context
The M30291FAHP#U3A implements the M16C CPU architecture with 16-bit data bus width, 24-bit address space, and instruction set compatible with M16C/60 series. It integrates a PLL-based clock generator supporting main clock (1–20 MHz), sub-clock (32.768 kHz), and on-chip oscillator (1 MHz) sources, enabling flexible system timing configurations.
Its peripheral suite includes two 16-bit multifunction timers (with capture/compare/PWM), three serial interfaces (UART ×2, I²C), a CAN controller compliant with ISO 11898-1:2003, and a 10-bit successive-approximation ADC with sample-and-hold and scan mode - all accessible via dedicated SFRs and interrupt vectors mapped to fixed/relocatable vector tables.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | M16C/29 16-bit RISC core with 24-bit addressing, supporting 16 MB address space |
| Max Operating Frequency | 20 MHz CPU clock (via PLL multiplication of external crystal or on-chip oscillator) |
| Memory | 256 KB on-chip flash (programmable in-system), 16 KB RAM, 4 KB data flash |
| ADC | 10-bit SAR ADC with 16 input channels, 1.2 μs conversion time, internal reference voltage |
| CAN Interface | One CAN 2.0B-compliant controller with 32 message objects, programmable bit timing |
| I/O Pins | 82 general-purpose CMOS I/O pins with configurable pull-up, open-drain, and high-current drive options |
| Supply Voltage | 3.0 V to 3.6 V operation; supports single-supply design without level-shifting for most peripherals |
Pinout & Package
The M30291FAHP#U3A is housed in a 100-pin LQFP (14 mm × 14 mm, 0.5 mm pitch) package with exposed thermal pad. Pin assignments follow the M16C/29 Group standard layout, supporting multiplexed functions per pin group (e.g., P0–P15, PA–PF).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC, VSS | Power supply and ground | Dual VCC/VSS pairs ensure stable core and I/O rail decoupling; thermal pad connects to GND for enhanced heat dissipation |
| XT1, XT2 | Main system clock input | Crystal/resonator connection for 1–20 MHz operation; supports external clock input mode |
| CLKOUT | Clock output | Programmable output of CPU clock, peripheral clock, or divided clock for system synchronization or debug |
| RxD0, TxD0 | UART0 serial interface | Asynchronous full-duplex communication channel supporting baud rates up to 2 Mbps (at 20 MHz) |
| CANRX, CANTX | CAN physical layer interface | Differential signal pair connected to external CAN transceiver; supports dominant/recessive state detection |
| AD0–AD15 | ADC analog inputs | 16-channel analog input terminals with shared use of port pins; internal sample-and-hold enables simultaneous sampling |
Key Features
| Feature | Design Value |
|---|---|
| On-chip Debug Support | Fully integrated on-chip debug module (OCD) enabling real-time trace, breakpoint, and memory access without external emulator |
| Brown-out Detection | Configurable 2.7 V / 3.0 V / 3.3 V reset threshold with hysteresis to prevent erratic operation during supply dip |
| Low-power Modes | WAIT (CPU stop, peripherals active), STOP (all clocks halted except sub-clock), and deep standby with RTC wake-up capability |
| Flash Security | Read-out protection lock bit prevents unauthorized firmware extraction via serial programming interface |
| Peripheral Clock Control | Individual enable/disable bits per peripheral module reduce dynamic power consumption by gating unused clock domains |
Applications
| Industrial Motor Control | Smart Power Supply |
|---|---|
Use Scenario: Closed-loop control of 3-phase BLDC motors in HVAC blowers and industrial pumps. IC Role / Device Role / Timing Role: Primary MCU executing FOC algorithm, generating 6-channel complementary PWM with dead-time insertion, and sampling current/voltage feedback via ADC. Use Value: Integrated 10-bit ADC with hardware-triggered scan mode and PWM sync ensures precise current sensing within 1.2 μs conversion latency. | Use Scenario: Digital control of isolated DC-DC converters in telecom and server PSUs. IC Role / Device Role / Timing Role: System supervisor managing voltage regulation, fault monitoring (overvoltage, overtemperature), and PMBus-compatible communication. Use Value: Dual UART with automatic baud-rate detection and hardware flow control enables robust PMBus v1.2 command parsing at 115.2 kbps. |
| Home Appliance Control | Automotive Body Control |
Use Scenario: Main controller in washing machines coordinating motor drive, water valve actuation, and user interface. IC Role / Device Role / Timing Role: Central coordinator interfacing with touch panel, relay drivers, and temperature/humidity sensors via I²C and GPIO. Use Value: 82 GPIOs with programmable slew rate and noise filtering support direct connection to mechanical switches and solenoid drivers without external debouncing. | Use Scenario: Door module controller managing window lift, mirror adjustment, and interior lighting in passenger vehicles. IC Role / Device Role / Timing Role: CAN node handling LIN-to-CAN gateway functions and local actuator control with diagnostic reporting. Use Value: On-chip CAN controller with 32 message objects and error counter logging meets ISO 11898-1 requirements for Class B automotive networks. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F102MAASP#30 | RL78/G13-based 16-bit MCU with 128 KB flash, lower max frequency (24 MHz), no CAN, but enhanced low-power modes | Suitable for cost-sensitive, battery-powered applications where CAN is not required and flash size < 256 KB suffices | Select when prioritizing ultra-low standby current (< 0.55 μA) over CAN connectivity and larger code space |
| MB9BF516RPMC-G-SNE2 | 32-bit ARM Cortex-M3 MCU with 512 KB flash, 64 KB RAM, CAN FD, and higher processing throughput | Targets applications needing >20 MIPS performance, CAN FD upgrade path, or RTOS-based firmware architecture | Select when migrating from 16-bit to 32-bit for future scalability, safety certification (IEC 61508), or complex protocol stacks |
Compared with R5F102MAASP#30 and MB9BF516RPMC-G-SNE2, the M30291FAHP#U3A offers optimal balance of legacy software compatibility, CAN 2.0B integration, and sufficient memory for mature industrial firmware-without requiring architectural rework or sacrificing real-time determinism.
Availability
M30291FAHP#U3A is available at Aetrix Electronics and suitable for industrial motor control, smart power supply design, and home appliance development requiring stable component supply and long-term production continuity.
Supply support for M30291FAHP#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 industrial, automotive, and infrastructure markets.
The M16C/29 Group was engineered for deterministic real-time control in cost-sensitive embedded systems, emphasizing peripheral integration, flash endurance (>10,000 write cycles), and robust operation across extended temperature ranges (−40°C to +85°C).
FAQ
What is the maximum operating frequency of the M30291FAHP#U3A?
The M30291FAHP#U3A supports a maximum CPU clock frequency of 20 MHz, achieved using its on-chip PLL to multiply an external crystal (1–20 MHz) or internal oscillator (1 MHz). This frequency is sustained across the full operating voltage range (3.0–3.6 V) and temperature range (−40°C to +85°C), ensuring deterministic timing for real-time control loops in the M30291FAHP#U3A.
Does the M30291FAHP#U3A include a CAN controller?
Yes, the M30291FAHP#U3A integrates a single CAN 2.0B-compliant controller supporting both standard and extended frame formats, with 32 message objects, programmable bit timing, and error counters. It requires an external CAN transceiver (e.g., TJA1042) for physical layer compliance, and is validated for use in industrial network nodes per ISO 11898-1:2003 - a core capability of the M30291FAHP#U3A.
What package type is used for the M30291FAHP#U3A?
The M30291FAHP#U3A is supplied in a 100-pin LQFP package (14 mm × 14 mm, 0.5 mm pitch) with an exposed thermal pad. This package provides mechanical stability, thermal performance suitable for continuous 20 MHz operation, and compatibility with standard surface-mount assembly processes - confirmed in Renesas' official M16C/29 Group Hardware Manual for the M30291FAHP#U3A.
How much on-chip flash memory does the M30291FAHP#U3A have?
The M30291FAHP#U3A includes 256 KB of on-chip flash memory, organized for in-system programming with sector erase capability and >10,000 write/erase cycles. It supports boot loader execution from flash and includes read-out protection to safeguard firmware IP - a defining specification of the M30291FAHP#U3A for production-grade embedded systems.
Is the M30291FAHP#U3A supported by Renesas' modern development tools?
Yes, the M30291FAHP#U3A is supported by Renesas' CS+ IDE (formerly HEW) with compiler, debugger, and flash programmer tools. While newer RL78 and RA families receive primary tool investment, CS+ v4.05+ maintains full debugging, flash programming, and peripheral register simulation for the M16C/29 Group - ensuring continued engineering support for legacy designs based on the M30291FAHP#U3A.
M30291FAHP#U3A Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 64-LQFP
- Series:
- M16C™ M16C/Tiny/29
- Packaging:
- Tray
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Core Processor:
- M16C/60
- Core Size:
- 16-Bit
- Speed:
- 20MHz
- Connectivity:
- CANbus, I2C, IEBus, SIO, UART/USART
- Peripherals:
- DMA, POR, PWM, Voltage Detect, WDT
- Number of I/O:
- 55
- Program Memory Size:
- 96KB (96K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 8K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.7V ~ 5.5V
- Data Converters:
- A/D 16x10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
M30291FAHP#U3A FAQ
1.How can I place an order for M30291FAHP#U3A through Aetrix?
Please submit a Request for Quotation (RFQ) for M30291FAHP#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 M30291FAHP#U3A reliable?
The price and inventory of M30291FAHP#U3A are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for M30291FAHP#U3A is usually 5 days.
3.What payment methods are accepted for M30291FAHP#U3A?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for M30291FAHP#U3A transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for M30291FAHP#U3A?
M30291FAHP#U3A orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your M30291FAHP#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 M30291FAHP#U3A?
For technical support, including M30291FAHP#U3A datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your M30291FAHP#U3A requirements.
6.How does Aetrix verify that M30291FAHP#U3A is sourced from the original manufacturer or authorized distributors?
All M30291FAHP#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 M30291FAHP#U3A meets industry standards.
7.What is the process for return or replacement of M30291FAHP#U3A?
All M30291FAHP#U3A units undergo pre-shipment inspection (PSI). If there is an issue with M30291FAHP#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 M30291FAHP#U3A part is unused and in its original packaging.
Return procedure for M30291FAHP#U3A:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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