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Renesas R5F104MFAFA#30
- Part No.:
- R5F104MFAFA#30
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 80-LQFP
- Datasheet:
-
R5F104MFAFA#30.pdf
- Description:
- IC MCU 16BIT 96KB FLASH 80LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:758
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Product details
Overview
R5F104MFAFA#30 from Renesas is a 32-bit RL78/G14 microcontroller with 96 KB flash, 12 KB RAM, and 80-pin LQFP-0.65mm package, operating from 1.6–5.5 V at -40 to +85°C. It delivers 44 DMIPS at 32 MHz, integrates 10-bit ADC (16 channels), RTC, UART/I²C/CSI interfaces, and ultra-low-power HALT/STOP/SNOOZE modes for battery-powered industrial control.
For engineers reviewing the R5F104MFAFA#30 datasheet, R5F104MFAFA#30 pinout, R5F104MFAFA#30 application, or R5F104MFAFA#30 equivalent, this device supports real-time motor sequencing, sensor fusion in constrained environments, secure firmware updates via self-programming flash, and low-voltage operation down to 1.6 V without external regulators.
Technical Context
The R5F104MFAFA#30 implements the RL78 CPU core with 3-stage pipeline, supporting instruction execution times from 0.03125 µs (32 MHz) to 30.5 µs (32.768 kHz), and includes multiply/divide/accumulate instructions. Its memory subsystem comprises 96 KB code flash (1 KB blocks), 12 KB on-chip RAM, and 4 KB data flash with background operation and 1M rewrite cycles.
Peripherals include 16-bit Timer Array Unit (TAU) with up to 8 channels, 12-bit interval timer, calendar RTC with alarm/correction, 10-bit ADC with internal 1.45 V reference and temperature sensor, dual UART/LIN, up to 10-channel I²C, and 3–8 channel CSI. Power management features HALT mode (66 µA/MHz), STOP mode (0.60 µA), and on-chip LVD with 14-level selection.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | RL78 32-bit CISC CPU with 3-stage pipeline and 1 MB address space |
| Max Clock Speed | 32 MHz - enables 44 DMIPS performance for deterministic real-time control |
| Flash Memory | 96 KB code flash - sufficient for complex control algorithms with bootloader and safety routines |
| Data Flash | 4 KB with BGO - allows parameter storage and field updates without halting program execution |
| RAM | 12 KB on-chip RAM - supports multi-threaded RTOS operation and sensor data buffering |
| ADC | 10-bit resolution, 16 input channels, internal 1.45 V reference - eliminates need for external voltage reference in analog sensing |
| Low-Power Modes | HALT (66 µA/MHz), STOP (0.60 µA), SNOOZE - extends battery life in metering and IoT endpoints |
Pinout & Package
Package: 80-pin LQFP, 14 × 14 mm, 0.65 mm pitch, RoHS-compliant, industrial-grade (TA = −40 to +85°C).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P00/P01 | TxD1/RxD1, TI00/TO00 | Dual-role UART interface and general-purpose timer I/O for serial communication and pulse generation |
| P10–P17 | SPI/I²C/UART peripherals (SCK11, SI11, SO11, SDA11, etc.) | Configurable multi-protocol serial interface bank supporting concurrent CSI, I²C, and UART functions |
| P30/P31 | INTP3/RTC1HZ, TI03/TO03 | Real-time clock output and dedicated timer I/O for time-triggered control and event capture |
| P121/P122 | X1/X2 crystal oscillator inputs | Supports 32.768 kHz crystal for RTC accuracy and optional high-frequency crystal up to 20 MHz |
| P137 | INTP0 reset input | External active-low reset with glitch filter - enables system-level fault recovery and watchdog coordination |
| REGC | Regulator capacitor terminal | Requires 0.47–1 µF capacitor to VSS for internal LDO stability - critical for low-noise analog operation |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low power consumption | 66 µA/MHz active current and 0.60 µA STOP mode enable decade-long battery life in smart sensors |
| Self-programmable flash | Boot swapping and flash shield window allow secure over-the-air firmware updates without external programmer |
| Hardware event linking | Event Link Controller (ELC) routes 19–26 peripheral events directly - eliminates CPU polling overhead in time-critical paths |
| Background data flash rewrite | BGO enables full-speed code execution while updating calibration tables or logging data - no interrupt latency penalty |
| Multi-voltage I/O | I/O ports support 1.8/2.5/3.0 V logic levels - simplifies interfacing with mixed-voltage peripherals without level shifters |
Applications
| Industrial Motor Control | Smart Utility Metering |
|---|---|
|
Use Scenario: Closed-loop BLDC motor commutation with Hall-effect feedback and thermal monitoring. IC Role / Device Role / Timing Role: Main controller executing FOC algorithm, managing PWM timers, ADC sampling, and LIN bus diagnostics. Use Value: 44 DMIPS compute headroom ensures sub-10 µs current loop timing; 10-bit ADC with internal reference enables accurate phase current measurement without external components. |
Use Scenario: Battery-powered water/gas meter with pulse counting, pressure sensing, and RF telemetry. IC Role / Device Role / Timing Role: System-on-chip handling metrology ADC, RTC-based billing intervals, and low-power sub-GHz transceiver control. Use Value: 0.60 µA STOP mode extends 10-year battery life; integrated RTC with calendar and correction eliminates external timekeeping IC. |
| Home Appliance HMI | Factory Asset Monitoring |
|
Use Scenario: Touch-enabled oven control panel with temperature regulation, buzzer feedback, and display driver interface. IC Role / Device Role / Timing Role: Primary MCU managing capacitive touch sensing, PWM-controlled heating elements, and buzzer output via PCLBUZ. Use Value: On-chip key interrupt and PCLBUZ peripherals reduce BOM count; 16-channel ADC supports simultaneous thermistor and touch electrode scanning. |
Use Scenario: Vibration and temperature edge node collecting data from rotating equipment and transmitting via BLE/Wi-Fi. IC Role / Device Role / Timing Role: Sensor fusion hub aggregating accelerometer, thermistor, and humidity data before wireless transmission. Use Value: ELC-triggered ADC sampling synchronized to timer events ensures jitter-free data capture; 12 KB RAM buffers burst sensor streams before transmission. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F104MGAFB#30 | Same 96 KB flash/12 KB RAM, but 48-pin LFQFP-0.5 mm package - 32 fewer pins, no X1/X2 crystal support | Limited peripheral count and no RTC crystal option - suitable only for space-constrained, non-calendar applications | Select when board area is critical and RTC calendar functionality is unnecessary |
| R5F104LFAFA#30 | 64-pin LQFP-0.65 mm, identical feature set and memory, but reduced pin count and I/O count (64 vs. 80) | Fewer UART/I²C instances and ADC channels - appropriate for simpler control tasks with lower peripheral density | Choose for cost-sensitive designs where full 80-pin I/O expansion is unused |
Compared with R5F104MGAFB#30 and R5F104LFAFA#30, the R5F104MFAFA#30 provides maximum I/O flexibility and full RTC crystal support in an 80-pin LQFP, making it optimal for complex industrial HMI and multi-sensor edge nodes requiring long-term timekeeping and peripheral concurrency.
Availability
R5F104MFAFA#30 is available at Aetrix Electronics and suitable for industrial motor control, smart utility metering, home appliance HMI, factory asset monitoring, and battery-powered sensor nodes requiring stable component supply across extended product lifecycles.
Supply support for R5F104MFAFA#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, power, and SoC solutions for automotive, industrial, and IoT markets.
The RL78/G14 family targets cost-sensitive, ultra-low-power general-purpose applications - designed for rapid development of energy-efficient control systems with integrated analog peripherals and robust flash security.
FAQ
What is the operating voltage range for the R5F104MFAFA#30?
The R5F104MFAFA#30 operates from 1.6 V to 5.5 V, enabling direct connection to single-cell Li-ion, 3.3 V, or 5 V rails without external regulators. This wide range supports brown-out resilience in battery-powered systems and compatibility with legacy industrial supplies. The on-chip voltage detector (LVD) offers 14 programmable threshold levels for precise reset and interrupt control across the full voltage span.
Does the R5F104MFAFA#30 support hardware debugging?
Yes, the R5F104MFAFA#30 includes full on-chip debug functionality compatible with Renesas E2 emulator and CS+ IDE. It supports breakpoints, watchpoints, real-time variable monitoring, and flash programming via the single-wire debug interface (SWD) using pins P40 (TOOL0) and P50 (TRGIOA). No external debug probe is required for standard development and field firmware updates.
How many UART/LIN interfaces does the R5F104MFAFA#30 integrate?
The R5F104MFAFA#30 integrates three UART channels, all supporting LIN-bus protocol (LIN 2.2 compliant). UART0 (P50/P51), UART1 (P00/P01), and UART2 (P13/P14) are independently configurable for baud rates up to 4 Mbps, with automatic LIN header detection, checksum calculation, and sleep/wake frame handling - eliminating software overhead in automotive body electronics.
Can the R5F104MFAFA#30 perform ADC conversions during STOP mode?
No, the R5F104MFAFA#30 cannot perform ADC conversions in STOP mode, as the ADC clock is halted. However, it supports ADC wake-up from HALT mode using the 12-bit interval timer or external interrupts, achieving typical conversion + wake-up latency under 5 µs. For ultra-low-power periodic sampling, use SNOOZE mode with DTC-triggered ADC and automatic return to HALT.
What is the maximum frequency of the high-speed on-chip oscillator in the R5F104MFAFA#30?
The high-speed on-chip oscillator in the R5F104MFAFA#30 is factory-trimmed to ±1.0% accuracy and supports selectable frequencies up to 32 MHz - the maximum operational clock for the RL78 core. This eliminates the need for external crystals in cost-sensitive applications while maintaining timing precision for UART, PWM, and ADC sampling across temperature and voltage ranges.
R5F104MFAFA#30 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 80-LQFP
- Series:
- RL78/G14
- 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:
- 96KB (96K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 8K x 8
- RAM Size:
- 12K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.6V ~ 5.5V
- Data Converters:
- A/D 17x8/10b; D/A 2x8b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F104MFAFA#30 FAQ
1.How can I place an order for R5F104MFAFA#30 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F104MFAFA#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 R5F104MFAFA#30 reliable?
The price and inventory of R5F104MFAFA#30 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F104MFAFA#30 is usually 5 days.
3.What payment methods are accepted for R5F104MFAFA#30?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F104MFAFA#30 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F104MFAFA#30?
R5F104MFAFA#30 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F104MFAFA#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 R5F104MFAFA#30?
For technical support, including R5F104MFAFA#30 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F104MFAFA#30 requirements.
6.How does Aetrix verify that R5F104MFAFA#30 is sourced from the original manufacturer or authorized distributors?
All R5F104MFAFA#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 R5F104MFAFA#30 meets industry standards.
7.What is the process for return or replacement of R5F104MFAFA#30?
All R5F104MFAFA#30 units undergo pre-shipment inspection (PSI). If there is an issue with R5F104MFAFA#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 R5F104MFAFA#30 part is unused and in its original packaging.
Return procedure for R5F104MFAFA#30:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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