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Renesas M30291FATHP#U3AAG4
- Part No.:
- M30291FATHP#U3AAG4
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- -
- Datasheet:
-
M30291FATHP#U3AAG4.pdf
- Description:
- MCU LQFP
- Quantity:
- Payment:
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Inventory:1,461
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Product details
Overview
M30291FATHP#U3AAG4 from Renesas Electronics is a 16-bit CMOS microcontroller in the M16C/29 Group, featuring 256 KB on-chip flash memory, 16 KB RAM, and integrated CAN 2.0B controller. It operates at up to 20 MHz, supports 5 V single-supply operation, and targets industrial motor control and embedded automation systems requiring real-time I/O handling and deterministic communication.
For engineers reviewing the M30291FATHP#U3AAG4 datasheet, M30291FATHP#U3AAG4 pinout, M30291FATHP#U3AAG4 application, or M30291FATHP#U3AAG4 equivalent, key selection criteria include its CAN interface compliance, 100-pin LQFP package, 20 MHz max CPU clock, brown-out detection reset, and support for WAIT/STOP low-power modes in resource-constrained embedded designs.
Technical Context
The M30291FATHP#U3AAG4 implements the M16C CPU core with 16-bit data bus and 24-bit address space, supporting both 16-bit and 32-bit arithmetic operations. It integrates a programmable 8-channel 10-bit ADC, 32-bit timer with PWM output capability, and dual UART/SIO modules with IrDA support.
Its clock system includes main crystal oscillator (1–20 MHz), sub-oscillator (32.768 kHz), on-chip oscillator, and PLL for internal clock multiplication. The device uses a dedicated CAN controller with message object buffers and automatic retransmission logic compliant with ISO 11898-1.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | M16C/29 16-bit RISC core with 24-bit addressing and 1.25 MIPS/MHz performance |
| Flash Memory | 256 KB on-chip flash with 100,000 write/erase cycles and 10-year data retention |
| RAM Size | 16 KB on-chip SRAM, accessible in zero-wait-state mode at full speed |
| Max Operating Frequency | 20 MHz CPU clock derived from PLL-multiplied main oscillator or external clock source |
| Supply Voltage | 4.5 V to 5.5 V operation - enables direct interfacing with legacy 5 V logic and industrial sensors |
| CAN Interface | Integrated CAN 2.0B controller supporting 1 Mbps baud rate and 32 message objects with FIFO buffering |
| ADC Resolution | 10-bit successive approximation ADC with 8 input channels and hardware-triggered sampling |
Pinout & Package
This device is housed in a 100-pin LQFP (14 mm × 14 mm, 0.5 mm pitch) package with exposed thermal pad for enhanced heat dissipation in motor drive applications.
| 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 PCB ground plane |
| XT1, XT2 | Main crystal oscillator inputs | Supports 1–20 MHz fundamental-mode crystals; internal load capacitors configurable via SFR |
| CANH, CANL | CAN bus differential pair | Direct connection to ISO 11898-compliant transceiver; internal pull-up/down resistors disabled by default |
| P0_0–P0_7 | Port 0 bidirectional I/O | Configurable as general-purpose I/O or alternate functions including UART0 TX/RX, timer outputs, and ADC triggers |
| RESET | Active-low reset input | Accepts external reset signal; internally pulled up; supports debounced reset assertion via on-chip circuitry |
Key Features
| Feature | Design Value |
|---|---|
| On-chip CAN 2.0B controller | Enables deterministic real-time fieldbus communication without external protocol IC, reducing BOM count and PCB area |
| Brown-out detection reset | Prevents erratic operation during power dips by asserting reset below 4.25 V (typ.), ensuring safe state recovery |
| Hardware watchdog timer | Independent clock source with windowed timeout prevents software lockup in safety-critical loops without CPU intervention |
| Multi-level power management | WAIT/STOP modes reduce current to 10 µA (STOP) and 1 mA (WAIT), extending runtime in battery-backed systems |
| Programmable I/O pull-up resistors | Eliminates need for external biasing on 24 pins, simplifying board layout and lowering component cost |
Applications
| Industrial Motor Control | Building Automation Gateway |
|---|---|
Use Scenario: Closed-loop control of 3-phase BLDC motors using sensorless FOC algorithms with real-time current sensing and PWM generation. IC Role / Device Role / Timing Role: Central controller executing motor commutation logic, ADC sampling, and CAN-based command reception from HMI or PLC. Use Value: Integrated 10-bit ADC with hardware trigger synchronization and 20 MHz timing resolution enable precise 20 kHz PWM carrier frequency with <1 µs jitter. | Use Scenario: Protocol translation between Modbus RTU field devices and BACnet/IP supervisory systems in HVAC networks. IC Role / Device Role / Timing Role: Embedded gateway processor managing serial-to-Ethernet bridging, CAN frame parsing, and time-stamped event logging. Use Value: Dual UART + CAN controller allows concurrent RS-485 and CAN bus monitoring while maintaining deterministic response under 50 ms latency. |
| Automated Test Equipment | Energy Meter Data Concentrator |
Use Scenario: Modular test head controller synchronizing analog stimulus generation, DMM readback, and relay matrix switching across multiple DUTs. IC Role / Device Role / Timing Role: Real-time sequencer coordinating GPIO-controlled relays, ADC acquisition windows, and timestamped pass/fail reporting over CAN. Use Value: 32-bit timer with capture/compare registers provides sub-microsecond timing accuracy for stimulus alignment and measurement gating. | Use Scenario: Aggregating pulse-count data from 16 electromechanical kWh meters via opto-isolated inputs in utility substation cabinets. IC Role / Device Role / Timing Role: Low-power concentrator polling meters via isolated UART, storing interval data in flash, and forwarding via CAN to master SCADA node. Use Value: STOP mode current of 10 µA enables 10-year battery life in maintenance-free deployments with periodic wake-on-interrupt operation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F102AAASP#30 | RL78/G13 16-bit core, 32 KB flash, no CAN, lower power (190 µA/MHz), 48-pin QFP | Lacks CAN interface; suited for cost-sensitive sensor nodes without fieldbus requirements | Select when CAN is unnecessary and ultra-low active power dominates design priorities |
| MB9BF506RPMC-G-SNE2 | ARM Cortex-M3 core, 512 KB flash, CAN FD, 100-pin LQFP, 120 MHz max clock | Higher performance and CAN FD support; requires different toolchain and peripheral initialization | Select when future-proofing for CAN FD migration or needing >20 MIPS computational throughput |
Compared with R5F102AAASP#30 and MB9BF506RPMC-G-SNE2, the M30291FATHP#U3AAG4 offers balanced real-time determinism, mature CAN 2.0B integration, and proven industrial qualification - making it optimal for established 5 V CAN networks where code stability and long-term supply continuity outweigh raw compute density.
Availability
M30291FATHP#U3AAG4 is available at Aetrix Electronics and suitable for industrial motor control, building automation gateways, and automated test equipment requiring stable component supply across multi-year production cycles.
Supply support for M30291FATHP#U3AAG4 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 designed for deterministic real-time embedded control in harsh environments - emphasizing robust I/O, integrated communication peripherals, and long-lifecycle support for industrial automation and factory equipment.
FAQ
What is the maximum operating temperature range for the M30291FATHP#U3AAG4?
The M30291FATHP#U3AAG4 is rated for industrial temperature operation from −40°C to +85°C. This range is validated per Renesas' Standard quality grade specification and applies to all electrical characteristics in the hardware manual. Operation outside this range may result in undefined behavior or accelerated parametric drift. The M30291FATHP#U3AAG4 must be mounted with adequate thermal relief on the PCB to maintain junction temperature within limits under full-load conditions.
Does the M30291FATHP#U3AAG4 support in-system programming (ISP) via its on-chip debug interface?
Yes, the M30291FATHP#U3AAG4 supports in-system programming through the on-chip debug interface using the standard Renesas E8a or E1 emulator. Flash memory can be reprogrammed without removing the device from the target board, enabling field firmware updates and production-line calibration. The M30291FATHP#U3AAG4 requires only four dedicated debug pins (VPP, RESET, TDI, TDO) and does not consume any user I/O resources during programming.
Can the M30291FATHP#U3AAG4 operate from a 3.3 V supply?
No, the M30291FATHP#U3AAG4 is specified exclusively for 4.5 V to 5.5 V operation. Its internal voltage regulator, flash programming circuitry, and I/O buffer thresholds are designed for 5 V logic compatibility. Attempting to power the M30291FATHP#U3AAG4 at 3.3 V will result in failure to initialize, unstable flash access, and non-compliant I/O levels. For 3.3 V systems, Renesas recommends the RL78/G13 or RX110 families instead.
How many CAN message objects does the M30291FATHP#U3AAG4 support, and are they configurable?
The M30291FATHP#U3AAG4 supports 32 independent CAN message objects, each with configurable ID mask, acceptance filtering, and transmit/receive direction. These objects are organized into two banks and mapped to dedicated RAM areas accessible via SFRs. Message object configuration is performed at runtime via the CAN control registers, allowing dynamic reassignment without reset. The M30291FATHP#U3AAG4 also supports automatic transmission request and priority-based arbitration per ISO 11898-1.
Is the M30291FATHP#U3AAG4 RoHS-compliant and lead-free?
Yes, the M30291FATHP#U3AAG4 is RoHS-compliant and lead-free, meeting EU Directive 2011/65/EU and JEDEC J-STD-609A Class 3 marking requirements. The "#U3" suffix in the part number explicitly denotes lead-free packaging per Renesas' standard coding convention. All solderability and thermal profile specifications assume Pb-free reflow processing with peak temperatures up to 260°C.
M30291FATHP#U3AAG4 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#U3AAG4 FAQ
1.How can I place an order for M30291FATHP#U3AAG4 through Aetrix?
Please submit a Request for Quotation (RFQ) for M30291FATHP#U3AAG4 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#U3AAG4 reliable?
The price and inventory of M30291FATHP#U3AAG4 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for M30291FATHP#U3AAG4 is usually 5 days.
3.What payment methods are accepted for M30291FATHP#U3AAG4?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for M30291FATHP#U3AAG4 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for M30291FATHP#U3AAG4?
M30291FATHP#U3AAG4 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your M30291FATHP#U3AAG4 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#U3AAG4?
For technical support, including M30291FATHP#U3AAG4 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your M30291FATHP#U3AAG4 requirements.
6.How does Aetrix verify that M30291FATHP#U3AAG4 is sourced from the original manufacturer or authorized distributors?
All M30291FATHP#U3AAG4 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#U3AAG4 meets industry standards.
7.What is the process for return or replacement of M30291FATHP#U3AAG4?
All M30291FATHP#U3AAG4 units undergo pre-shipment inspection (PSI). If there is an issue with M30291FATHP#U3AAG4, 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#U3AAG4 part is unused and in its original packaging.
Return procedure for M30291FATHP#U3AAG4:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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