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Renesas M30281FAHP#U7B
- Part No.:
- M30281FAHP#U7B
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
M30281FAHP#U7B.pdf
- Description:
- IC MCU 16BIT 96KB FLASH 64LFQFP
- Quantity:
- Payment:
- Shipping:
Inventory:3,826
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Product details
Overview
M30281FAHP#U7B from Renesas Electronics is a 16-bit single-chip microcontroller in the M16C/28 Group, featuring 256 KB on-chip flash memory, 16 KB RAM, and a maximum CPU clock of 20 MHz. It integrates UART, I2C, 16-bit timer/counters, and 10-bit ADC for embedded control in industrial equipment and consumer appliances.
For engineers reviewing the M30281FAHP#U7B datasheet, M30281FAHP#U7B pinout, M30281FAHP#U7B application, or M30281FAHP#U7B equivalent, key selection criteria include its 100-pin LQFP package, 2.7–5.5 V operating voltage range, built-in low-voltage detection, and support for WAIT/STOP power-saving modes in resource-constrained real-time systems.
Technical Context
The M30281FAHP#U7B implements the M16C core architecture with 16-bit data bus and 24-bit address space, supporting both CISC instruction set and on-chip debug functionality via dedicated pins. It features dual clock sources - main crystal (1–10 MHz) and sub-clock (32.768 kHz) - with PLL-based frequency multiplication to achieve 20 MHz CPU operation.
Its peripheral suite includes three 16-bit timer/counters with PWM output capability, one 10-bit 16-channel ADC with conversion time as low as 1.7 µs, and two serial interfaces (UART and I2C) with independent baud rate generators. Memory protection is enforced via boot area lock bits and flash write protection registers.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | M16C/28 16-bit RISC-like CISC core with 24-bit addressing |
| Flash Memory | 256 KB on-chip flash with 100,000 write/erase cycles and sector protection |
| RAM Size | 16 KB on-chip SRAM, accessible at full CPU speed |
| Max Clock Frequency | 20 MHz CPU clock derived from PLL-multiplied main clock (1–10 MHz input) |
| Supply Voltage | 2.7 V to 5.5 V - supports direct interface with 3.3 V and 5 V logic systems |
| ADC Resolution | 10-bit successive approximation ADC with 16 input channels and hardware-triggered sampling |
| Package | 100-pin LQFP (14 mm × 14 mm, 0.5 mm pitch), RoHS-compliant |
Pinout & Package
Package: 100-pin LQFP (14 mm × 14 mm, 0.5 mm pitch), thermally enhanced with exposed pad for improved heat dissipation in continuous operation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC, VSS | Power supply and ground | Dual VCC/VSS pairs per quadrant ensure stable core/peripheral rail decoupling |
| P00–P07 | Port 0 I/O | Bi-directional CMOS port with individual direction control; P00–P03 support external interrupt inputs |
| P10–P17 | Port 1 I/O | Includes UART0 TXD/RXD, I2C SCL/SDA, and timer output capture functions |
| P20–P27 | Port 2 I/O | ADC input channels AN0–AN7; also support comparator and PWM output functions |
| RESET | Active-low reset input | Asynchronous reset with internal pull-up; accepts min. 100 ns pulse width |
| CLKP, CLKN | Differential clock input | Accepts external crystal (1–10 MHz) or CMOS clock source for main oscillator circuit |
| EXVCC, EXVSS | External reference voltage | Supports external VREF for ADC with 1.0–5.5 V range and ±1% accuracy requirement |
Key Features
| Feature | Design Value |
|---|---|
| On-chip debug interface | Fully integrated on-chip debug module (OCD) enabling real-time trace, breakpoint, and register inspection without external emulator |
| Low-power operation modes | WAIT mode (CPU halted, peripherals active) and STOP mode (all clocks stopped except sub-clock) with wake-up latency < 10 µs |
| Hardware watchdog timer | Dedicated 14-bit free-running counter with windowed refresh window and reset-on-timeout capability |
| Memory protection | Boot area lock bit prevents accidental overwrite of startup code; flash write protection register blocks unintended programming |
| IEBus interface support | Integrated IEBus controller compliant with IEC 62040-1 for automotive audio and infotainment subsystem communication |
Applications
| Industrial Motor Control | Home Appliance MCU |
|---|---|
Use Scenario: Closed-loop speed and position control of BLDC motors in HVAC blowers and pump drives. IC Role / Device Role / Timing Role: Primary system controller executing FOC algorithms, managing PWM generation, and reading hall sensor/encoder feedback. Use Value: 20 MHz CPU clock enables sub-10 µs interrupt latency for precise commutation timing; 16-bit timers provide synchronized 3-phase PWM with dead-time insertion. | Use Scenario: Main control unit in washing machines managing water level, temperature, drum rotation, and user interface. IC Role / Device Role / Timing Role: Central MCU coordinating analog sensor readings (NTC, pressure switch), relay/valve actuation, and display driver signals. Use Value: Integrated 10-bit ADC with 16 channels eliminates external signal conditioning for multi-sensor monitoring; 256 KB flash accommodates firmware updates and diagnostic logging. |
| Smart Power Metering | Factory Automation I/O Module |
Use Scenario: Embedded metering node measuring voltage, current, and power factor in DIN-rail mounted energy monitors. IC Role / Device Role / Timing Role: Signal acquisition and preprocessing engine interfacing with isolation amplifiers and metrology ADCs. Use Value: Hardware CRC generator accelerates checksum calculation for secure firmware OTA updates; low-voltage detection ensures graceful shutdown during brownout events. | Use Scenario: Distributed digital I/O module collecting status from photoelectric sensors and driving solenoids in PLC-connected machinery. IC Role / Device Role / Timing Role: Real-time I/O concentrator with deterministic response to fieldbus commands and local event-triggered outputs. Use Value: Dual UARTs enable simultaneous Modbus RTU master/slave operation; 100-pin LQFP provides ample GPIO for 16+ discrete I/O lines with ESD protection. |
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 16-bit MCU with 32 KB flash, 4 KB RAM, and lower power consumption (0.5 µA STOP mode) | Targeted at battery-powered devices; lacks IEBus and has reduced timer/PWM flexibility | Select when ultra-low power and smaller code footprint are prioritized over legacy peripheral compatibility |
| MB95560PFR-GS-ERE1 | Fujitsu FM3-based 32-bit ARM Cortex-M3 MCU with 256 KB flash, 32 KB RAM, and higher performance (72 MHz) | Requires software migration; offers floating-point unit and advanced DMA but no native IEBus support | Choose for future-proofing and increased computational headroom where ecosystem migration is acceptable |
Compared with R5F102AAASP#30 and MB95560PFR-GS-ERE1, the M30281FAHP#U7B delivers mature IEBus integration, deterministic 20 MHz real-time execution, and proven field reliability in industrial control - making it optimal for drop-in replacement in existing M16C-based designs requiring no architectural change.
Availability
M30281FAHP#U7B is available at Aetrix Electronics and suitable for industrial motor control, home appliance MCU, and smart power metering applications requiring stable component supply across extended product lifecycles.
Supply support for M30281FAHP#U7B 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/28 Group - including the M30281FAHP#U7B - was engineered for cost-sensitive, high-reliability embedded control in white goods, factory automation, and building management systems where long-term availability and deterministic real-time behavior are critical.
FAQ
What is the maximum operating temperature range for the M30281FAHP#U7B?
The M30281FAHP#U7B is rated for industrial temperature operation from −40°C to +85°C. This range is validated per Renesas' Standard quality grade qualification and applies to all electrical characteristics specified in the hardware manual. The M30281FAHP#U7B maintains full functionality across this range, including ADC linearity, timer accuracy, and flash read/write endurance. Operation outside this range may result in undefined behavior or permanent damage.
Does the M30281FAHP#U7B support in-system programming (ISP) via UART?
Yes, the M30281FAHP#U7B supports in-system programming through its on-chip bootloader, accessible via UART0 using the Renesas Flash Development Toolkit (FDT). The bootloader resides in protected ROM and enables flash reprogramming without external debug hardware. The M30281FAHP#U7B requires specific entry conditions - including correct pin strapping and baud rate synchronization - and does not support ISP over I²C or other serial interfaces.
Is the M30281FAHP#U7B pin-compatible with other members of the M16C/28 Group?
The M30281FAHP#U7B shares the same 100-pin LQFP package and pinout with M30281FAGP#U7B and M30281FALP#U7B, differing only in flash size (256 KB vs. 128 KB vs. 64 KB) and RAM allocation. All share identical peripheral mapping, reset behavior, and power sequencing requirements. The M30281FAHP#U7B can be used as a drop-in upgrade in designs originally specifying those variants, provided firmware accommodates the larger memory space.
What debug interface does the M30281FAHP#U7B use, and what tools are compatible?
The M30281FAHP#U7B uses Renesas' on-chip debug (OCD) interface via dedicated pins (BKGD, RES, and CLK). It is fully supported by the Renesas E8a and E20 debug emulators, and compatible with CS+ (CubeSuite+) IDE for real-time tracing, register inspection, and flash programming. The M30281FAHP#U7B does not support JTAG or SWD protocols; debugging requires Renesas-specific toolchain and cabling.
Does the M30281FAHP#U7B include hardware encryption or secure boot features?
No, the M30281FAHP#U7B does not include hardware encryption accelerators, TRNG, or secure boot circuitry. Its security model relies on flash lock bits and memory protection registers to prevent unauthorized read/write access. Secure firmware update must be implemented in software using external authentication mechanisms. For applications requiring cryptographic acceleration or tamper-resistant boot, Renesas' RA or RX families should be considered instead of the M30281FAHP#U7B.
M30281FAHP#U7B Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 64-LQFP
- Series:
- M16C™ M16C/Tiny/28
- Packaging:
- Tray
- Product Status:
- Not For New Designs
- Programmable:
- Not Verified
- Core Processor:
- M16C/60
- Core Size:
- 16-Bit
- Speed:
- 20MHz
- Connectivity:
- 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 13x10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
M30281FAHP#U7B FAQ
1.How can I place an order for M30281FAHP#U7B through Aetrix?
Please submit a Request for Quotation (RFQ) for M30281FAHP#U7B 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 M30281FAHP#U7B reliable?
The price and inventory of M30281FAHP#U7B are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for M30281FAHP#U7B is usually 5 days.
3.What payment methods are accepted for M30281FAHP#U7B?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for M30281FAHP#U7B transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for M30281FAHP#U7B?
M30281FAHP#U7B orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your M30281FAHP#U7B 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 M30281FAHP#U7B?
For technical support, including M30281FAHP#U7B datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your M30281FAHP#U7B requirements.
6.How does Aetrix verify that M30281FAHP#U7B is sourced from the original manufacturer or authorized distributors?
All M30281FAHP#U7B 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 M30281FAHP#U7B meets industry standards.
7.What is the process for return or replacement of M30281FAHP#U7B?
All M30281FAHP#U7B units undergo pre-shipment inspection (PSI). If there is an issue with M30281FAHP#U7B, 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 M30281FAHP#U7B part is unused and in its original packaging.
Return procedure for M30281FAHP#U7B:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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