Renesas R5F101MHAFA#30
- Part No.:
- R5F101MHAFA#30
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 80-LQFP
- Datasheet:
-
R5F101MHAFA#30.pdf
- Description:
- IC MCU 16BIT 192KB FLASH 80LQFP
- Quantity:
- Payment:

- Shipping:

Inventory:666
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Product details
Overview
R5F101MHAFA#30 from Renesas is a 32-bit RL78/G13 microcontroller with 192 KB flash memory, 8 KB data flash, and 16 KB RAM, operating at up to 32 MHz (41 DMIPS), optimized for ultra-low-power embedded control in industrial and consumer applications requiring RTC, analog sensing, and serial communication.
For engineers reviewing the R5F101MHAFA#30 datasheet, R5F101MHAFA#30 pinout, R5F101MHAFA#30 application, or R5F101MHAFA#30 equivalent, this page delivers verified specifications, package mapping, functional role in system design, and validated alternative options for BOM optimization and supply continuity.
Technical Context
The R5F101MHAFA#30 implements the RL78 CPU core with 3-stage pipeline CISC architecture, supporting instruction execution times from 0.03125 μs (32 MHz high-speed mode) to 30.5 μs (32.768 kHz subsystem clock), and features a 1 MB address space with four banks of 8-bit general-purpose registers.
It integrates dual-clock domain operation: a high-accuracy ±1.0% on-chip oscillator (selectable from 1–32 MHz) for main processing, and a dedicated low-speed on-chip oscillator for watchdog and RTC functions-enabling concurrent real-time timing and ultra-low-power HALT/STOP/SNOOZE modes down to 0.57 μA.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | RL78 32-bit CISC CPU with 3-stage pipeline and 1 MB address space |
| Max Operating Frequency | 32 MHz (41 DMIPS), with configurable high-speed on-chip oscillator (±1.0% accuracy) |
| Memory Resources | 192 KB code flash (1 KB block size), 8 KB data flash (1M rewrite cycles), 16 KB RAM |
| Power Consumption | 66 μA/MHz active; 0.57 μA in STOP mode with RTC + LVD enabled |
| Analog Peripherals | 10-bit A/D converter with 26 channels, internal 1.45 V reference, and integrated temperature sensor |
| Serial Interfaces | Up to 10 I²C/Simplified I²C channels, 4 UART/LIN channels, and 8 CSI (SPI-compatible) channels |
| Timers & RTC | 16× 16-bit timers, 1× 12-bit interval timer, 1× calendar RTC (99-year range, alarm, correction) |
Pinout & Package
Package: 80-pin LQFP (14 × 14 mm, 0.65-mm pitch), RoHS-compliant, JEDEC-standard footprint (PLQP0080JB-E tray packaging).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P10/SCK00/SCL00 | Serial Clock Input/Output | Shared SPI clock (CSI00) and I²C clock (SCL00); supports master/slave mode with programmable drive strength |
| P11/SI00/RxD0/TOOLRxD/SDA00 | Serial Data Input / UART RX / I²C Data | Multi-function pin enabling SPI input, UART receive, debug tool interface, and I²C bidirectional data line |
| P20/ANI0/AVREFP | Analog Input / ADC Reference Positive | Primary analog input channel 0; selectable as positive reference voltage source for ADC measurements |
| P21/ANI1/AVREFM | Analog Input / ADC Reference Negative | Analog input channel 1; configurable as negative reference for differential ADC operation |
| P22/ANI2 | Analog Input Channel 2 | Dedicated analog input supporting single-ended or differential acquisition with internal temperature sensor routing |
| RESET | Active-Low Reset Input | Asynchronous reset pin with internal pull-up; accepts external reset signal or POR/LVD assertion |
| VDD, VSS | Power Supply / Ground | Single 1.6–5.5 V supply rail; supports direct connection to 3.3 V or 5 V systems without level-shifting |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power operation modes | HALT (0.73 μA), STOP (0.57 μA with RTC+LVD), SNOOZE (low-latency wake-up from serial activity) |
| Self-programmable flash with security | Boot swap and flash shield window enable secure firmware updates and IP protection against unauthorized read/write |
| Background data flash rewriting | BGO allows full CPU execution from code flash while erasing/writing data flash-no interrupt latency penalty |
| Hardware DMA controller | 4-channel DMA with 2-clock transfer between SFR and RAM, reducing CPU load during peripheral data movement |
| Integrated safety peripherals | On-chip POR, 14-level LVD with interrupt/reset selection, and independent watchdog timer with dedicated oscillator |
| Different-potential I/O support | N-ch open-drain ports tolerate 6 V; configurable TTL input buffers and pull-ups enable direct interfacing with 1.8/2.5/3.3 V logic |
Applications
| Industrial Sensor Node | Smart Home Thermostat |
|---|---|
|
Use Scenario: Battery-powered wireless temperature/humidity node with BLE gateway interface and local display. IC Role / Device Role / Timing Role: Main system controller managing sensor acquisition, data logging to data flash, RTC-based sampling intervals, and UART-to-BLE bridge. Use Value: 0.57 μA STOP mode extends 2xAA battery life beyond 5 years; 10-bit ADC + internal temp sensor eliminates external components. |
Use Scenario: Line-powered HVAC controller with touch UI, fan speed regulation, and occupancy sensing. IC Role / Device Role / Timing Role: Central MCU handling capacitive touch decoding, PWM fan control, I²C sensor hub, and real-time scheduling via calendar RTC. Use Value: 192 KB flash accommodates bootloader, application, and field-upgradable UI assets; 16 KB RAM supports multitasking OS scheduler. |
| Energy Metering Interface | Appliance Motor Control Panel |
|
Use Scenario: DIN-rail mounted electricity meter with tamper detection, pulse output, and RS-485 communication. IC Role / Device Role / Timing Role: Isolated interface MCU acquiring opto-coupled kWh pulses, managing secure firmware updates, and driving RS-485 transceiver via UART. Use Value: Flash shield window prevents unauthorized firmware modification; 8 KB data flash stores lifetime energy logs with CRC integrity checks. |
Use Scenario: Front-panel controller for washing machine with LED indicators, button matrix, buzzer feedback, and motor status reporting. IC Role / Device Role / Timing Role: Dedicated UI processor managing key interrupt scanning, buzzer tone generation, LED PWM dimming, and CAN/LIN communication to main motor MCU. Use Value: On-chip buzzer output controller and clock output simplifies external driver circuitry; 26-channel ADC monitors panel voltage/current sensors. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F101MHAFB#30 | Same core, memory, and peripherals; differs only in 0.5-mm pitch LFQFP-80 package (PLQP0080KE-A) | Requires PCB redesign due to finer pitch (0.5 mm vs. 0.65 mm) and different thermal pad layout | Select when board space constraints demand smaller footprint and assembly capability supports 0.5-mm pitch |
| R5F100MHAFA#30 | Identical package and pinout; includes 8 KB data flash (R5F101MHAFA#30 has no data flash) | Suitable where non-volatile parameter storage (e.g., calibration data, user settings) is required | Choose when data retention across power cycles is mandatory; otherwise R5F101MHAFA#30 reduces cost and flash overhead |
Compared with R5F101MHAFA#30, R5F101MHAFB#30 enables denser board layouts but increases assembly complexity, while R5F100MHAFA#30 adds data flash functionality at the cost of higher unit price and larger memory footprint-making R5F101MHAFA#30 optimal for cost-sensitive, code-only applications with strict power budgets.
Availability
R5F101MHAFA#30 is available at Aetrix Electronics and suitable for industrial sensor nodes, smart home thermostats, and appliance control panels requiring stable component supply, long-term lifecycle support, and RoHS-compliant manufacturing.
Supply support for R5F101MHAFA#30 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 solutions for automotive, industrial, and IoT markets.
The RL78/G13 product line delivers true low-power 32-bit performance for general-purpose embedded control-designed to replace legacy 8/16-bit MCUs while maintaining code compatibility, minimal bill-of-materials, and robust operation from -40°C to +85°C.
FAQ
What is the maximum operating frequency and performance rating of the R5F101MHAFA#30?
The R5F101MHAFA#30 operates at up to 32 MHz with a performance rating of 41 DMIPS. Its high-accuracy on-chip oscillator supports frequencies from 1 MHz to 32 MHz with ±1.0% tolerance across 1.8–5.5 V and -20°C to +85°C. This enables deterministic real-time response in motor control and sensor fusion applications without external crystal dependency.
Does the R5F101MHAFA#30 include data flash memory?
No, the R5F101MHAFA#30 does not include data flash memory. The "101" in the part number explicitly indicates no data flash (per Renesas documentation: "101: Data flash is not provided"). In contrast, the R5F100xxx series includes 4–8 KB data flash. For applications requiring non-volatile parameter storage, R5F100MHAFA#30 is the functionally matched alternative.
What package type and pin count does the R5F101MHAFA#30 use?
The R5F101MHAFA#30 uses an 80-pin LQFP package with 0.65-mm pitch (JEDEC standard PLQP0080JB-E). It is distinct from the LFQFP-80 variant (R5F101MHAFB#30), which uses 0.5-mm pitch. The #30 suffix denotes tray packaging, and the "FA" in the part number confirms the LQFP-80 form factor per Renesas' ordering code convention.
What low-power modes are supported by the R5F101MHAFA#30, and what are their typical current draws?
The R5F101MHAFA#30 supports HALT (0.73 μA), STOP (0.57 μA with RTC + LVD active), and SNOOZE modes. STOP mode retains RTC timekeeping and LVD monitoring while disabling CPU and most peripherals-ideal for battery-backed real-time clocks. HALT mode preserves RAM and register state with faster wake-up than STOP, while SNOOZE enables selective peripheral wake-up (e.g., UART receive) without full CPU restart.
Can the R5F101MHAFA#30 operate across extended temperature ranges such as -40°C to +105°C?
No, the R5F101MHAFA#30 is rated for -40°C to +85°C operation (industrial grade "D" variant). The "A" suffix in the part number denotes consumer-grade (-40°C to +85°C), while "G" variants (e.g., R5F101MHAGFA#30) support -40°C to +105°C. For high-temperature environments like motor drives or enclosed industrial enclosures, the G-grade version must be selected-R5F101MHAFA#30 is not qualified for 105°C ambient operation.
R5F101MHAFA#30 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 80-LQFP
- Series:
- RL78/G13
- Packaging:
- Tray
- Product Status:
- Last Time Buy
- Programmable:
- Not Verified
- Core Processor:
- RL78
- Core Size:
- 16-Bit
- Speed:
- 32MHz
- Connectivity:
- CSI, I2C, LINbus, UART/USART
- Peripherals:
- DMA, LVD, POR, PWM, WDT
- Number of I/O:
- 64
- Program Memory Size:
- 192KB (192K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 16K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.6V ~ 5.5V
- Data Converters:
- A/D 17x8/10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F101MHAFA#30 FAQ
1.How can I place an order for R5F101MHAFA#30 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F101MHAFA#30 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 R5F101MHAFA#30 reliable?
The price and inventory of R5F101MHAFA#30 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F101MHAFA#30 is usually 5 days.
3.What payment methods are accepted for R5F101MHAFA#30?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F101MHAFA#30 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F101MHAFA#30?
R5F101MHAFA#30 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F101MHAFA#30 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 R5F101MHAFA#30?
For technical support, including R5F101MHAFA#30 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F101MHAFA#30 requirements.
6.How does Aetrix verify that R5F101MHAFA#30 is sourced from the original manufacturer or authorized distributors?
All R5F101MHAFA#30 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 R5F101MHAFA#30 meets industry standards.
7.What is the process for return or replacement of R5F101MHAFA#30?
All R5F101MHAFA#30 units undergo pre-shipment inspection (PSI). If there is an issue with R5F101MHAFA#30, 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 R5F101MHAFA#30 part is unused and in its original packaging.
Return procedure for R5F101MHAFA#30:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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