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Renesas M30291FAHP#U7A
- Part No.:
- M30291FAHP#U7A
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
M30291FAHP#U7A.pdf
- Description:
- IC MCU 16BIT 96KB FLASH 64LFQFP
- Quantity:
- Payment:
- Shipping:
Inventory:4,145
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Product details
Overview
M30291FAHP#U7A 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, operates at up to 20 MHz CPU clock, supports 5 V operation, and integrates UART, I²C, and 16-bit timer peripherals. It is used in motor control modules requiring deterministic real-time response.
For engineers reviewing the M30291FAHP#U7A datasheet, M30291FAHP#U7A pinout, M30291FAHP#U7A application, or M30291FAHP#U7A equivalent, key selection criteria include its 100-pin LQFP package, 5 V tolerant I/O, integrated watchdog timer, brown-out detection reset, and support for single-cycle instruction execution in core mode.
Technical Context
The M30291FAHP#U7A implements the M16C CPU core with 16-bit data bus and 24-bit address space, supporting both minimum and maximum system modes via external bus interface. It includes dual clock sources (main crystal oscillator and sub-clock), PLL for internal clock multiplication, and programmable wait-state control for external memory access.
Its interrupt architecture supports 128 vector entries with priority levels (IPL0–IPL7), nested interrupts, and fast context save/restore. Peripheral functions are mapped to dedicated SFRs and accessed via memory-mapped I/O, with register-level control over UART baud rate generation, PWM output polarity, and ADC trigger sources.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | M16C/29 16-bit RISC core with 24-bit addressing and single-cycle instruction execution for most instructions |
| Flash Memory | 256 KB on-chip flash with 100,000 write/erase cycles and 10-year data retention at 85°C |
| RAM | 16 KB on-chip SRAM, accessible in zero-wait-state mode at full CPU speed |
| Max Operating Frequency | 20 MHz CPU clock derived from PLL-multiplied main clock (1–10 MHz input range) |
| I/O Pins | 81 CMOS-compatible general-purpose I/O pins with individually configurable pull-up resistors and 5 V tolerance |
| Supply Voltage | 4.5 V to 5.5 V operation, with brown-out detection threshold fixed at 4.2 V ±0.2 V |
| Package | 100-pin LQFP (14 mm × 14 mm, 0.5 mm pitch), JEDEC standard footprint |
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 | Main power supply | Primary 5 V supply input for core and I/O; requires local 0.1 µF ceramic decoupling |
| VSS | GND reference | Digital ground return; must be connected to system ground plane with low-inductance path |
| RESET | Active-low reset input | Asynchronous hardware reset; internal pull-up ensures valid state during power-up |
| XT1, XT2 | Main crystal oscillator terminals | Supports 1–10 MHz parallel-resonant crystal; internal capacitors selectable via SFR |
| P00–P07 | Port 0 bidirectional I/O | 8-bit port with alternate functions including UART0 TX/RX, INT0–INT3, and timer inputs |
| P10–P17 | Port 1 bidirectional I/O | 8-bit port supporting I²C SDA/SCL, CAN0 TX/RX, and PWM outputs |
| AD0–AD7 | Analog input channels | 8-channel 10-bit SAR ADC with internal reference (VREF = VCC) and software/hardware trigger |
Key Features
| Feature | Design Value |
|---|---|
| On-chip debug interface | Single-pin serial wire debug (SWD) compatible with Renesas E1/E20 emulators for non-intrusive real-time trace |
| Low-power operation modes | WAIT (CPU halted, peripherals active), STOP (all clocks stopped except sub-clock), and HALT (deep sleep with wake-on-interrupt) |
| Peripheral integration | Two UARTs with FIFO, one I²C master/slave, two 16-bit timers with capture/compare/PWM, and one 8-bit reload timer |
| Memory protection | Boot flash lock bit prevents accidental overwrite of bootloader region; user flash segment erase control |
| Reliability features | Brown-out detection with reset and interrupt options, watchdog timer with windowed enable, and oscillation stop detection with auto-restart capability |
Applications
| Industrial Motor Control | Home Appliance MCU |
|---|---|
Use Scenario: Brushless DC motor commutation in HVAC blowers and washing machine drum drives. IC Role / Device Role / Timing Role: Real-time PWM generation, current sensing ADC sampling, and closed-loop speed regulation via PID firmware. Use Value: 20 MHz CPU enables sub-10 µs interrupt latency for precise 20 kHz PWM edge alignment and synchronous ADC triggering. | Use Scenario: Main control unit in microwave ovens managing keypad scan, display driver, relay sequencing, and safety interlocks. IC Role / Device Role / Timing Role: Central sequencer coordinating high-voltage transformer control, cavity temperature monitoring, and user interface timing. Use Value: Integrated 5 V-tolerant I/O eliminates level-shifter components; brown-out detection prevents erratic relay actuation during line dips. |
| Factory Automation I/O Module | Smart Power Metering |
Use Scenario: DIN-rail mounted digital I/O expansion module interfacing with PLCs via RS-485. IC Role / Device Role / Timing Role: Protocol handler for Modbus RTU over UART, isolated digital input debouncing, and relay output timing control. Use Value: Dual UARTs allow simultaneous host communication and fieldbus diagnostics; 81 GPIOs support 16-channel discrete I/O with configurable debounce filters. | Use Scenario: Residential electricity meter with pulse counting, tariff switching, and LCD display. IC Role / Device Role / Timing Role: Energy accumulation engine using timer-based pulse capture, RTC-backed time-of-use logging, and SPI-driven segment LCD controller. Use Value: Sub-clock domain RTC maintains accurate timekeeping during main power loss; 10-bit ADC measures auxiliary supply voltage for battery health monitoring. |
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, 4 KB RAM, 24 MHz max, 64-pin LQFP | Lower memory and I/O count; optimized for ultra-low-power sensor nodes rather than motor control | Select when BOM cost and standby current (<0.5 µA) outweigh need for high-speed PWM and large code space. |
| MB95560PFT-G-SNE1 | Fujitsu FM3 32-bit ARM Cortex-M3, 256 KB flash, 32 KB RAM, 100-pin LQFP, 72 MHz | Higher performance and peripheral set (CAN FD, USB, Ethernet MAC), but requires 3.3 V supply and external crystal load tuning | Select when migrating to 32-bit ecosystem with RTOS support and future-proof peripheral scalability is prioritized. |
Compared with M30291FAHP#U7A, the R5F102AAASP#30 offers lower power and smaller footprint but lacks the 256 KB flash and 81 GPIOs needed for complex motion control; the MB95560PFT-G-SNE1 delivers higher compute throughput and modern interfaces but increases design complexity with dual-supply requirements and tighter layout constraints.
Availability
M30291FAHP#U7A is available at Aetrix Electronics and suitable for industrial motor control, home appliance MCU, and factory automation I/O modules requiring stable component supply across multi-year production cycles.
Supply support for M30291FAHP#U7A 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 Japanese semiconductor manufacturer specializing in microcontrollers, analog, and power devices for industrial, automotive, and infrastructure markets.
The M16C/29 Group targets cost-sensitive, high-reliability embedded control applications where deterministic real-time response, robustness under voltage fluctuation, and long-term supply stability are critical design requirements.
FAQ
What is the maximum operating temperature range for the M30291FAHP#U7A?
The M30291FAHP#U7A is rated for industrial temperature operation from −40°C to +85°C. This range is validated per Renesas' Standard quality grade qualification, covering applications such as factory automation controllers and HVAC systems where ambient thermal stress is expected. The M30291FAHP#U7A maintains full electrical specifications-including 20 MHz CPU operation and ADC accuracy-across this entire range without derating.
Does the M30291FAHP#U7A support in-system programming (ISP) via its UART interface?
Yes, the M30291FAHP#U7A supports in-system programming through UART0 using Renesas' standard Flash Development Toolkit (FDT) protocol. The bootloader resides in protected ROM and activates upon assertion of the BOOT0 pin during reset. This allows field firmware updates without requiring an external programmer, and the M30291FAHP#U7A retains full flash endurance (100,000 cycles) even under repeated ISP operations.
Can the M30291FAHP#U7A generate complementary PWM signals with dead-time insertion for three-phase inverter control?
No, the M30291FAHP#U7A does not include hardware dead-time insertion logic or complementary PWM output pairs. Its 16-bit timers support independent PWM channel generation and synchronized start/stop, but dead-time must be implemented in firmware using interrupt-driven edge timing or external gate drivers. For three-phase inverter designs requiring hardware dead-time, the M30291FAHP#U7A is typically paired with dedicated 3-phase gate driver ICs like the Renesas HA13001.
Is the M30291FAHP#U7A pin-compatible with other members of the M16C/29 Group?
Yes, the M30291FAHP#U7A shares identical pinout and electrical characteristics with all 100-pin LQFP variants in the M16C/29 Group, including M30291FAXP#U7A and M30291FALP#U7A. Differences between these parts are limited to internal flash size (256 KB vs. 128 KB vs. 64 KB) and RAM allocation, with no impact on PCB layout or signal routing. Firmware compatibility is maintained across the group via identical SFR maps and instruction sets.
What debug interface does the M30291FAHP#U7A use, and is it supported by modern IDEs?
The M30291FAHP#U7A uses Renesas' proprietary single-pin Serial Wire Debug (SWD) interface, compatible with E1 and E20 debug emulators. It is fully supported in Renesas e² studio (v2023.07+) and CS+ for CC IDEs, enabling breakpoints, real-time variable watch, and non-intrusive trace. The M30291FAHP#U7A does not support JTAG; SWD provides equivalent functionality with reduced pin count and lower signal integrity overhead.
M30291FAHP#U7A 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#U7A FAQ
1.How can I place an order for M30291FAHP#U7A through Aetrix?
Please submit a Request for Quotation (RFQ) for M30291FAHP#U7A 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#U7A reliable?
The price and inventory of M30291FAHP#U7A are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for M30291FAHP#U7A is usually 5 days.
3.What payment methods are accepted for M30291FAHP#U7A?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for M30291FAHP#U7A transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for M30291FAHP#U7A?
M30291FAHP#U7A orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your M30291FAHP#U7A 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#U7A?
For technical support, including M30291FAHP#U7A datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your M30291FAHP#U7A requirements.
6.How does Aetrix verify that M30291FAHP#U7A is sourced from the original manufacturer or authorized distributors?
All M30291FAHP#U7A 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#U7A meets industry standards.
7.What is the process for return or replacement of M30291FAHP#U7A?
All M30291FAHP#U7A units undergo pre-shipment inspection (PSI). If there is an issue with M30291FAHP#U7A, 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#U7A part is unused and in its original packaging.
Return procedure for M30291FAHP#U7A:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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