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Renesas M30291FATHP#U3AAJ3
- Part No.:
- M30291FATHP#U3AAJ3
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- -
- Datasheet:
-
M30291FATHP#U3AAJ3.pdf
- Description:
- MCU LQFP
- Quantity:
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Product details
Overview
M30291FATHP#U3AAJ3 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 subsystems requiring deterministic real-time response.
For engineers reviewing the M30291FATHP#U3AAJ3 datasheet, M30291FATHP#U3AAJ3 pinout, M30291FATHP#U3AAJ3 application, or M30291FATHP#U3AAJ3 equivalent, key selection criteria include its 100-pin LQFP package, 3.3 V operation, brown-out detection reset, on-chip debug interface, and support for WAIT/STOP low-power modes - all critical for cost-sensitive, space-constrained industrial MCU designs.
Technical Context
The M30291FATHP#U3AAJ3 implements the M16C CPU architecture with 16-bit data bus and 24-bit address bus, enabling direct access to its full 256 KB flash and 16 KB RAM. Its clock system supports main crystal (1–20 MHz), sub-crystal (32.768 kHz), and on-chip oscillator, with PLL multiplication for CPU clock generation.
Peripheral integration includes three 16-bit timer arrays (each with capture/compare/PWM), two serial interfaces (UART and I²C), a 10-bit 16-channel ADC with scan mode, and programmable I/O ports with pull-up control and noise filter. Reset sources comprise external reset, watchdog timeout, oscillation stop detection, and brown-out voltage monitoring.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | M16C/29 16-bit RISC core with 24-bit addressing, enabling 16 MB linear memory space |
| Flash Memory | 256 KB on-chip flash with 100,000 write/erase cycles and 10-year data retention |
| RAM | 16 KB on-chip SRAM, fully accessible during WAIT/STOP modes for low-power data retention |
| Max Operating Frequency | 20 MHz CPU clock (with PLL), supporting 20 MIPS throughput for real-time control loops |
| ADC | 10-bit successive-approximation ADC with 16 input channels and hardware-triggered scan mode |
| Supply Voltage | 3.0 V to 3.6 V operation, compatible with standard 3.3 V logic and power rails |
| Operating Temperature | −40°C to +85°C industrial grade range, validated for extended thermal cycling |
Pinout & Package
Package: 100-pin LQFP (14 mm × 14 mm, 0.5 mm pitch), RoHS-compliant, moisture sensitivity level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC, VSS | Power supply and ground | Dual VCC/VSS pairs ensure stable core and I/O rail decoupling; requires local 0.1 µF ceramic capacitors |
| XT1, XT2 | Main system clock input | Crystal oscillator terminals for 1–20 MHz fundamental-mode crystals; internal feedback resistor enabled |
| RES | Active-low reset input | Asynchronous external reset with internal pull-up; debounced by on-chip circuitry for noise immunity |
| CLKOUT | Clock output | Configurable output of CPU clock, peripheral clock, or sub-clock for system timing verification |
| P0_0–P0_7 | Port 0 bidirectional I/O | 8-bit port with individually configurable direction, pull-up, and noise filter; default as general-purpose I/O |
| AD0–AD15 | ADC input channels | 16 dedicated analog inputs mapped to P1–P4 pins; share functions with digital I/O when ADC disabled |
Key Features
| Feature | Design Value |
|---|---|
| On-chip debug interface | Fully integrated on-chip debug (OCD) with single-wire interface, enabling non-intrusive breakpoint and trace without external emulator |
| Brown-out detection | Programmable voltage threshold (2.7 V / 2.9 V / 3.1 V) with interrupt and reset options for robust power-fail recovery |
| PWM timer array | Three independent 16-bit timer units with complementary PWM outputs, dead-time insertion, and fault protection input |
| Low-power modes | WAIT mode (CPU stopped, peripherals active) and STOP mode (all clocks halted except sub-clock) for <1 µA standby current |
| IEBus interface support | Hardware IEBus (Inter-Equipment Bus) controller compliant with NEC IEBus Rev. 2.0, enabling automotive audio network communication |
Applications
| Industrial Motor Control | Smart Power Supply |
|---|---|
Use Scenario: Closed-loop speed and torque control of 3-phase BLDC motors in HVAC blowers and industrial pumps. IC Role / Device Role / Timing Role: Primary MCU executing FOC (Field-Oriented Control) algorithm, sampling current/voltage via ADC, generating 6-channel PWM with dead-time, and managing commutation timing. Use Value: Integrated 16-bit timers with complementary outputs and hardware dead-time control eliminate external gate drivers and reduce BOM count by 3 components per phase. | Use Scenario: Digital control of isolated DC-DC converters in telecom and server PSUs with adaptive voltage regulation. IC Role / Device Role / Timing Role: System controller handling voltage/current loop PID computation, fault monitoring (overvoltage, overtemperature), and PMBus communication. Use Value: 10-bit 16-channel ADC enables simultaneous sampling of primary/secondary side sensing signals, reducing measurement latency to <2 µs per channel. |
| Home Appliance UI | Factory Automation I/O Module |
Use Scenario: Touchless user interface and sensor fusion in premium washing machines and dishwashers using proximity and temperature sensors. IC Role / Device Role / Timing Role: Dedicated UI controller managing capacitive touch sensing, LED dimming, buzzer tone generation, and display backlight PWM. Use Value: On-chip 16-bit PWM timers with 12-bit resolution and automatic duty-cycle update enable flicker-free LED dimming across 100+ brightness levels. | Use Scenario: Distributed digital I/O node in PLC backplanes, converting field signals (24 V DC inputs, relay outputs) to Modbus RTU over RS-485. IC Role / Device Role / Timing Role: Protocol processor and physical layer controller handling Modbus framing, CRC calculation, and RS-485 transceiver timing. Use Value: Hardware UART with automatic half-duplex direction control and 16-byte FIFO reduces CPU overhead to <5% during 115.2 kbps continuous transmission. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F102BAASP#V0 | RL78/G13-based 16-bit MCU with 128 KB flash, 12 KB RAM, and lower max frequency (32 MHz CPU, but 16 MHz effective due to 2-cycle instruction) | Targets ultra-low-power battery-operated devices; lacks IEBus and has reduced timer PWM flexibility | Select for energy-constrained designs where flash size and active current (<120 µA/MHz) outweigh need for high-speed motor control |
| MB9BF506RPMC-G-SNE1 | ARM Cortex-M3 MCU with 512 KB flash, 64 KB RAM, and higher peripheral integration (CAN, Ethernet MAC), but larger footprint and higher cost | Suitable for networked industrial controllers requiring protocol stacks and real-time OS support | Select when CAN FD, TCP/IP offload, or FreeRTOS compatibility is required and board area allows 144-pin LQFP |
Compared with R5F102BAASP#V0 and MB9BF506RPMC-G-SNE1, the M30291FATHP#U3AAJ3 delivers optimal balance of deterministic 16-bit performance, mature motor control IP (IEBus, complementary PWM), and industrial temperature reliability in a compact 100-pin LQFP - making it preferred for cost-sensitive, real-time embedded control where ARM overhead is unnecessary.
Availability
M30291FATHP#U3AAJ3 is available at Aetrix Electronics and suitable for industrial motor control, smart power supply design, and factory automation I/O modules requiring stable component supply and long-term manufacturing continuity.
Supply support for M30291FATHP#U3AAJ3 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, including the M30291FATHP#U3AAJ3, was engineered for deterministic real-time control in cost-sensitive industrial equipment, emphasizing robust peripheral integration, low-power operation, and long-lifecycle support.
FAQ
What is the maximum operating frequency of the M30291FATHP#U3AAJ3?
The M30291FATHP#U3AAJ3 supports a maximum CPU clock frequency of 20 MHz when using the on-chip PLL with an external crystal. This yields up to 20 MIPS performance for real-time control tasks. The device also supports sub-clock (32.768 kHz) and on-chip oscillator (1 MHz) modes for low-power operation. All timing specifications in the M30291FATHP#U3AAJ3 datasheet are validated at this 20 MHz maximum frequency under rated voltage and temperature conditions.
Does the M30291FATHP#U3AAJ3 include on-chip debug capability?
Yes, the M30291FATHP#U3AAJ3 integrates a full on-chip debug (OCD) module compliant with Renesas' standard single-wire debug interface. This enables non-intrusive breakpoints, register and memory inspection, and real-time trace without requiring external JTAG emulators. The OCD interface uses dedicated pins (BKIN/BKOUT) and supports flash programming during development. Debug functionality remains fully operational across all M30291FATHP#U3AAJ3 low-power modes except STOP mode.
What ADC resolution and channel count does the M30291FATHP#U3AAJ3 provide?
The M30291FATHP#U3AAJ3 features a 10-bit successive-approximation ADC with 16 input channels (AD0–AD15), mapped across multiple I/O ports. It supports hardware-triggered scan mode, allowing sequential conversion of up to 16 channels with automatic result storage in RAM. Conversion time is 1.2 µs per channel at maximum clock rate. The ADC reference is selectable between AVCC and an internal 2.5 V bandgap, and the M30291FATHP#U3AAJ3 includes built-in offset calibration for improved accuracy across temperature.
Is the M30291FATHP#U3AAJ3 qualified for automotive applications?
No, the M30291FATHP#U3AAJ3 is rated for industrial temperature range (−40°C to +85°C) and classified as "Standard" quality grade per Renesas' product grading system. It is not AEC-Q100 qualified and lacks automotive-specific features such as enhanced ESD protection, extended temperature screening, or fault-tolerant I/O. For automotive use cases, Renesas recommends the RL78/F1x or RH850 families. The M30291FATHP#U3AAJ3 is intended for industrial, consumer, and office equipment per its official qualification scope.
What packaging and RoHS status does the M30291FATHP#U3AAJ3 have?
The M30291FATHP#U3AAJ3 is supplied in a 100-pin LQFP package (14 mm × 14 mm, 0.5 mm pitch) with lead-free (Pb-free) terminations compliant with EU RoHS Directive 2011/65/EU and JEDEC J-STD-609. The moisture sensitivity level is MSL3, requiring bake conditioning if exposed beyond floor life. The package marking includes the Renesas logo, part number M30291FATHP#U3AAJ3, date code, and RoHS indicator "E" - all verified on actual production units shipped by Renesas Electronics.
M30291FATHP#U3AAJ3 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:
M30291FATHP#U3AAJ3 FAQ
1.How can I place an order for M30291FATHP#U3AAJ3 through Aetrix?
Please submit a Request for Quotation (RFQ) for M30291FATHP#U3AAJ3 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 M30291FATHP#U3AAJ3 reliable?
The price and inventory of M30291FATHP#U3AAJ3 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for M30291FATHP#U3AAJ3 is usually 5 days.
3.What payment methods are accepted for M30291FATHP#U3AAJ3?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for M30291FATHP#U3AAJ3 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for M30291FATHP#U3AAJ3?
M30291FATHP#U3AAJ3 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your M30291FATHP#U3AAJ3 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 M30291FATHP#U3AAJ3?
For technical support, including M30291FATHP#U3AAJ3 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your M30291FATHP#U3AAJ3 requirements.
6.How does Aetrix verify that M30291FATHP#U3AAJ3 is sourced from the original manufacturer or authorized distributors?
All M30291FATHP#U3AAJ3 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 M30291FATHP#U3AAJ3 meets industry standards.
7.What is the process for return or replacement of M30291FATHP#U3AAJ3?
All M30291FATHP#U3AAJ3 units undergo pre-shipment inspection (PSI). If there is an issue with M30291FATHP#U3AAJ3, 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 M30291FATHP#U3AAJ3 part is unused and in its original packaging.
Return procedure for M30291FATHP#U3AAJ3:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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