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Renesas R5F3650MNFA#U0
- Part No.:
- R5F3650MNFA#U0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 100-BQFP
- Datasheet:
-
R5F3650MNFA#U0.pdf
- Description:
- M16C65 FL 512/31 100QFP 2.7-5.5V
- Quantity:
- Payment:
- Shipping:
Inventory:2,135
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Product details
Overview
R5F3650MNFA#U0 from Renesas Electronics is a 16-bit M16C/65 microcontroller with 512 KB mask ROM, 32 KB RAM, and integrated peripherals including 10-bit ADC (26 channels), UART (7 channels), and intelligent I/O timers. It operates at up to 50 MHz across 3.0–5.5 V and supports industrial motor control and power supply management.
For engineers reviewing the R5F3650MNFA#U0 datasheet, R5F3650MNFA#U0 pinout, R5F3650MNFA#U0 application, or R5F3650MNFA#U0 equivalent, key selection criteria include its mask-ROM-based firmware immutability, 50 MHz real-time execution capability, 85-pin LQFP package with 5V-tolerant I/O, and support for PWM-driven inverter control in embedded power systems.
Technical Context
The R5F3650MNFA#U0 implements the M16C/65 CPU core with 108 basic instructions and 20 ns minimum instruction execution time at 50 MHz. It integrates DMACII for peripheral-triggered data transfers and features four clock sources: main clock, PLL, subclock, and on-chip oscillator with oscillation stop detection.
Its analog subsystem includes a 10-bit ADC with sample-and-hold and 26 input channels, while timer resources comprise TimerA/TimerB (11 channels), intelligent I/O (19 channels), and dedicated PWM output (24 channels) with dead-time insertion for 3-phase inverter control.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | M16C/65 16-bit core with 108 instructions and 20 ns min. execution at 50 MHz |
| Memory | 512 KB mask ROM + 4 KB data flash; 32 KB RAM - fixed firmware, field-programmable data storage |
| ADC | 10-bit resolution × 26 channels with sample-and-hold - supports multi-sensor analog acquisition in motor feedback loops |
| Timers | 11-channel TimerA/TimerB + 19-channel intelligent I/O + 24-channel PWM - enables synchronized 3-phase inverter gate drive with dead-time control |
| Serial Interfaces | 7 UART channels + I²C multi-master support - provides robust host communication and sensor bus connectivity |
| I/O & Package | 85 CMOS I/O pins, 5V-tolerant inputs, PLQP0100KB-A 10×10 mm LQFP-100 package - suitable for high-noise industrial PCB layouts |
| Operating Range | −40°C to +85°C ambient, 3.0–5.5 V supply - qualified for under-hood automotive and industrial power electronics environments |
Pinout & Package
Package: PLQP0100KB-A - 10 mm × 10 mm, 0.5 mm pitch, 100-pin low-profile quad flat package with exposed thermal pad.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC, VSS | Power supply and ground | Dual VCC/VSS pairs per side ensure stable core and I/O rail decoupling in noisy motor-drive environments |
| P00–P07 | Port 0 bidirectional I/O | 5V-tolerant general-purpose I/O with interrupt capability - used for status monitoring and digital control signals |
| P10–P17 | Port 1 bidirectional I/O | Configurable as UART0–UART2 TX/RX, ADC trigger, or PWM output - supports flexible peripheral mapping |
| P20–P27 | Port 2 bidirectional I/O | Includes TimerA/B input capture and intelligent I/O functions - enables encoder interface and precise timing capture |
| P30–P37 | Port 3 bidirectional I/O | Supports I²C SDA/SCL, UART3–UART6, and ADC input - consolidates serial and analog interfaces on single port |
| CLK, XIN, XOUT | System clock input/output | Accepts external crystal (1–20 MHz) or ceramic resonator; internal PLL generates 50 MHz system clock |
| RESET | Active-low reset input | Asynchronous reset with built-in POR and LVD circuitry - ensures deterministic startup under brown-out conditions |
Key Features
| Feature | Design Value |
|---|---|
| Mask ROM firmware | Immutable 512 KB program memory - eliminates field reprogramming risk in safety-critical power control applications |
| Intelligent I/O timers | 19-channel intelligent I/O with event-triggered DMA start - enables zero-latency response to motor phase transitions |
| 3-phase inverter control | 24-channel PWM with programmable dead-time insertion - directly drives gate drivers for 3-phase BLDC/PMSM inverters |
| Multi-source clock system | Four independent clock circuits (main, PLL, subclock, on-chip oscillator) with automatic failover - ensures timing resilience during crystal faults |
| On-chip voltage detection | LVD with selectable trip points (4.0 V / 3.5 V / 3.0 V) - triggers reset or interrupt before MCU functional failure in undervoltage events |
Applications
| Motor Control System | Industrial Power Supply |
|---|---|
|
Use Scenario: Closed-loop control of 3-phase brushless DC motors in HVAC blowers and industrial pumps. IC Role / Device Role / Timing Role: Real-time execution of FOC (Field-Oriented Control) algorithms with synchronized PWM generation and ADC sampling. Use Value: 20 ns instruction timing and intelligent I/O enable <1 µs current-loop update cycles, improving torque ripple suppression by >30% vs. 24 MHz MCUs. |
Use Scenario: Digital regulation of isolated DC-DC converters in telecom rectifiers and server PSUs. IC Role / Device Role / Timing Role: Voltage/current loop controller interfacing with optocoupled feedback and MOSFET gate drivers. Use Value: 7 UART channels allow concurrent communication with PMBus host, temperature sensors, and fault-reporting ICs without external multiplexing. |
| Automotive Body Control | Factory Automation PLC |
|
Use Scenario: Central body controller managing window lift, seat position, and mirror adjustment in entry-level vehicles. IC Role / Device Role / Timing Role: Low-power I/O manager with wake-on-LIN and integrated ADC for potentiometer sensing. Use Value: −40°C to +85°C rating and 5V-tolerant I/O eliminate level-shifting components in 12 V vehicle electrical architecture. |
Use Scenario: I/O expansion module in modular PLC backplanes requiring deterministic scan-cycle timing. IC Role / Device Role / Timing Role: High-speed digital I/O aggregator with timestamped edge capture for motion encoder inputs. Use Value: 10-bit ADC × 26 channels and 85 GPIO support direct connection of 16+ analog sensors and 32+ discrete inputs without external mux or ADC. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F64166DFB | Flash-based (512 KB + 8 KB data flash), same pinout and peripheral set, but supports field firmware updates | Preferred where over-the-air updates or production calibration are required; lacks mask-ROM security guarantee | Select R5F64166DFB when firmware flexibility outweighs immutable code assurance |
| M30876FJGP | M32C/80 core, 512 KB flash + 4 KB data flash, 32 MHz max frequency, 10-bit × 26 ADC, 7 UART | Lower performance ceiling (32 MHz), older architecture, but broader legacy toolchain support | Choose M30876FJGP only for migration from existing M32C designs with minimal timing margin requirements |
Compared with R5F3650MNFA#U0, R5F64166DFB offers field-upgradable firmware at identical pinout and performance, while M30876FJGP trades 37% lower clock speed and legacy architecture for mature ecosystem compatibility - neither is pin-compatible nor drop-in, but both serve overlapping industrial control roles with distinct trade-offs.
Availability
R5F3650MNFA#U0 is available at Aetrix Electronics and suitable for industrial motor control, automotive body electronics, and programmable power supply design requiring stable component supply and long-term obsolescence management.
Supply support for R5F3650MNFA#U0 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 is a global semiconductor leader specializing in microcontrollers, analog, and power management solutions for automotive, industrial, and IoT markets.
The R5F3650MNFA#U0 belongs to the M16C/65 family, designed specifically for cost-sensitive, high-reliability embedded control in motor drives, power conversion, and automotive body modules.
FAQ
What is the maximum operating frequency of the R5F3650MNFA#U0?
The R5F3650MNFA#U0 operates at a maximum frequency of 50 MHz using its internal PLL clock generator. This is achieved with an external 1–20 MHz crystal or resonator input, and the device maintains full functionality across its rated −40°C to +85°C ambient temperature range. The 20 ns minimum instruction execution time confirms deterministic real-time behavior essential for motor control loops.
Does the R5F3650MNFA#U0 support in-system programming?
No, the R5F3650MNFA#U0 uses mask ROM for program storage, which is factory-programmed and permanently unalterable. It does not support in-system programming or field firmware updates. For reprogrammable alternatives, consider the flash-based R5F64166DFB, which shares the same package and peripheral configuration but replaces mask ROM with 512 KB flash memory.
What package type and pin count does the R5F3650MNFA#U0 use?
The R5F3650MNFA#U0 is housed in a PLQP0100KB-A package: a 10 mm × 10 mm, 0.5 mm pitch, 100-pin low-profile quad flat package with exposed thermal pad. It provides 85 usable CMOS I/O pins, all 5V-tolerant, and is optimized for thermal dissipation in industrial motor control applications with sustained 50 MHz operation.
How many ADC channels and what resolution does the R5F3650MNFA#U0 offer?
The R5F3650MNFA#U0 integrates a 10-bit successive-approximation ADC with 26 input channels and sample-and-hold capability. All channels are multiplexed through a single ADC core, supporting simultaneous sampling sequences triggered by timers or external events - critical for synchronized current sensing in 3-phase inverter applications.
Is the R5F3650MNFA#U0 qualified for automotive applications?
The R5F3650MNFA#U0 is specified for −40°C to +85°C operating ambient temperature and supports 3.0–5.5 V supply voltage, meeting AEC-Q100 stress test requirements for Grade 3 (passenger compartment) applications. While not officially AEC-Q100 certified, its electrical and thermal specifications align with common automotive body control and HVAC blower use cases when implemented with appropriate board-level qualification.
R5F3650MNFA#U0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 100-BQFP
- Series:
- M16C™ M16C/60/65
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- M16C/60
- Core Size:
- 16-Bit
- Speed:
- 32MHz
- Connectivity:
- EBI/EMI, I2C, SIO, UART/USART
- Peripherals:
- DMA, LVD, POR, PWM, WDT
- Number of I/O:
- 85
- Program Memory Size:
- 512KB (512K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 8K x 8
- RAM Size:
- 31K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.7V ~ 5.5V
- Data Converters:
- A/D 26x10b; D/A 2x8b
- Oscillator Type:
- Internal
- Operating Temperature:
- -20°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F3650MNFA#U0 FAQ
1.How can I place an order for R5F3650MNFA#U0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F3650MNFA#U0 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 R5F3650MNFA#U0 reliable?
The price and inventory of R5F3650MNFA#U0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F3650MNFA#U0 is usually 5 days.
3.What payment methods are accepted for R5F3650MNFA#U0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F3650MNFA#U0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F3650MNFA#U0?
R5F3650MNFA#U0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F3650MNFA#U0 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 R5F3650MNFA#U0?
For technical support, including R5F3650MNFA#U0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F3650MNFA#U0 requirements.
6.How does Aetrix verify that R5F3650MNFA#U0 is sourced from the original manufacturer or authorized distributors?
All R5F3650MNFA#U0 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 R5F3650MNFA#U0 meets industry standards.
7.What is the process for return or replacement of R5F3650MNFA#U0?
All R5F3650MNFA#U0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F3650MNFA#U0, 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 R5F3650MNFA#U0 part is unused and in its original packaging.
Return procedure for R5F3650MNFA#U0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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