My Inquiry
My Account
Renesas R5F104FFAFP#X0
- Part No.:
- R5F104FFAFP#X0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 44-LQFP
- Datasheet:
-
R5F104FFAFP#X0.pdf
- Description:
- IC MCU 16BIT 96KB FLASH 44LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,256
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
R5F104FFAFP#X0 from Renesas is a 44-pin LQFP, 96 KB flash, 12 KB RAM RL78/G14 16-bit microcontroller with ultra-low power operation (66 μA/MHz), 32 MHz max CPU speed, integrated 10-bit ADC (16 channels), and real-time clock. It targets battery-powered industrial sensors and low-cost motor control systems requiring robust peripheral integration and extended temperature support.
For engineers reviewing the R5F104FFAFP#X0 datasheet, R5F104FFAFP#X0 pinout, R5F104FFAFP#X0 application, or R5F104FFAFP#X0 equivalent, key selection criteria include its 44-pin LQFP-0.8 mm pitch package, -40°C to +85°C industrial-grade rating (D suffix), 96 KB code flash with 4 KB data flash, and support for UART, I²C, CSI, and up to 12 timer channels.
Technical Context
The R5F104FFAFP#X0 implements the RL78 CPU core with CISC architecture, 3-stage pipeline, and configurable instruction timing (0.03125 µs @ 32 MHz to 30.5 µs @ 32.768 kHz). It integrates a Data Transfer Controller (DTC) for autonomous memory transfers and an Event Link Controller (ELC) enabling hardware-triggered peripheral chaining without CPU intervention.
Its mixed-signal subsystem includes a 10-bit A/D converter with internal 1.45 V reference and temperature sensor, dual 8-bit D/A outputs (0–VDD), two comparators with window mode, and a calendar-capable real-time clock with alarm and correction functions - all operating under single 1.6–5.5 V supply.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | RL78 16-bit CISC CPU with 3-stage pipeline and multiply/accumulate instructions |
| Max Clock Speed | 32 MHz - delivers 44 DMIPS performance for deterministic real-time control loops |
| Flash Memory | 96 KB code flash + 4 KB data flash - supports background rewriting and 1,000,000 write cycles |
| RAM | 12 KB on-chip RAM - sufficient for RTOS stacks, communication buffers, and sensor fusion variables |
| ADC | 10-bit resolution, 16 analog input channels, internal 1.45 V reference - enables direct battery voltage and thermistor monitoring |
| Operating Temp | -40°C to +85°C (Industrial D grade) - qualified for factory automation and outdoor metering environments |
| Supply Voltage | 1.6 V to 5.5 V - allows direct connection to Li-ion, 3.3 V, or 5 V rails without external regulators |
| Low-Power Modes | HALT (66 μA/MHz), STOP (0.60 μA), SNOOZE - extends battery life in wake-on-event applications |
Pinout & Package
Package: 44-pin LQFP (10 × 10 mm, 0.8 mm pitch), RoHS-compliant, plastic body with exposed pad not required.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P00 | TxD1 / TI00 / TRGCLKA | Primary UART transmit; 16-bit timer input; trigger clock source for event-driven peripherals |
| P01 | RxD1 / TO00 / TRGCLKB | Primary UART receive; timer output; secondary trigger clock for synchronized peripheral activation |
| P10–P17 | CSI/I²C/UART/SCL/SDA/SO/SI pins | Configurable serial interface bank supporting up to 3 UARTs, 4 I²C, and 3 CSI channels simultaneously |
| P20–P27 | ANI0–ANI7 / AVREFP / AVREFM | Eight analog inputs with dedicated reference pins - enables ratiometric sensor measurements independent of VDD drift |
| P30–P31 | INTP3 / RTC1HZ / TI03 / TO03 | Dedicated real-time clock interrupt output and general-purpose timer I/O - simplifies time-stamped event logging |
| RESET | Active-low reset input | Accepts external reset signal or internal POR/LVD assertion - ensures deterministic startup after brownout |
| VDD / VSS | Power supply / ground | Single 1.6–5.5 V supply domain - eliminates need for level shifters in mixed-voltage systems |
| REGC | Regulator bypass capacitor terminal | Requires 0.47–1 µF capacitor to VSS - stabilizes internal voltage regulator for low-noise analog operation |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low power HALT mode | 66 μA/MHz active current enables >1-year battery life in periodic sensing nodes |
| Background data flash rewrite | Allows firmware updates or parameter storage while executing application code - no system interruption |
| Event Link Controller (ELC) | Hardware-peripheral chaining reduces CPU load by >40% in sensor-to-communication workflows |
| On-chip RTC with calendar | 99-year calendar, alarm, and auto-correction eliminate need for external real-time modules |
| Peripheral I/O redirection | Dynamic remapping of serial/ADC/timer functions to alternate pins - increases PCB layout flexibility |
| Integrated voltage detector (LVD) | 14-level programmable reset/interrupt threshold - protects against data corruption during voltage sag |
Applications
| Smart Energy Metering | Industrial Motor Control |
|---|---|
Use Scenario: Three-phase electricity meter with tamper detection, tariff switching, and wireless reporting. IC Role / Device Role / Timing Role: Main controller managing metrology ADC sampling, RTC-based billing intervals, and UART/IR communication. Use Value: Integrated 10-bit ADC with internal reference and calendar RTC enable accurate energy accumulation and time-of-use billing without external components. | Use Scenario: Brushless DC motor drive for HVAC blowers with speed regulation and fault protection. IC Role / Device Role / Timing Role: Real-time motion controller coordinating PWM generation, current sensing, and thermal shutdown. Use Value: 12-channel 16-bit timers with complementary outputs and fast interrupt response (<30.5 µs) ensure precise commutation timing at 32 MHz. |
| Wireless Sensor Node | Programmable Logic Controller (PLC) I/O Module |
Use Scenario: Battery-powered environmental monitor transmitting temperature/humidity via sub-GHz RF link. IC Role / Device Role / Timing Role: Low-power host MCU managing sensor reads, sleep/wake scheduling, and SPI-based radio control. Use Value: STOP mode (0.60 μA) with RTC wake-up and BGO data flash writes extend 2×AA battery life beyond 5 years. | Use Scenario: DIN-rail mounted digital I/O expansion module with isolated inputs/outputs and Modbus RTU interface. IC Role / Device Role / Timing Role: Protocol handler and isolation interface manager for RS-485 Modbus communication and opto-coupled status reporting. Use Value: Four UART channels (one with LIN support), 16 GPIOs with N-ch open-drain capability, and 1.8–5.5 V I/O tolerance simplify interfacing with diverse field devices. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F104FGAFP#X0 | 128 KB flash, 16 KB RAM, same 44-pin LQFP package and peripheral set | Supports larger firmware images and deeper communication protocol stacks (e.g., full Modbus TCP offload) | Select when future firmware growth or additional feature layers (e.g., OTA update engine) are anticipated |
| R5F104FEAFP#X0 | 48 KB flash, 5.5 KB RAM, identical pinout and peripheral configuration | Suitable for cost-sensitive designs with fixed-function logic and minimal data logging | Choose for high-volume consumer appliances where BOM cost reduction outweighs memory headroom |
Compared with R5F104FFAFP#X0, the R5F104FGAFP#X0 provides 33% more flash and 33% more RAM within identical footprint and thermal envelope - ideal for feature-rich industrial firmware; the R5F104FEAFP#X0 reduces flash by 50% and RAM by 54%, lowering unit cost while retaining full peripheral compatibility for simpler control tasks.
Availability
R5F104FFAFP#X0 is available at Aetrix Electronics and suitable for smart metering, motor control, wireless sensor networks, and PLC I/O modules requiring stable component supply across multi-year production cycles.
Supply support for R5F104FFAFP#X0 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 delivers true low-power 16-bit MCUs optimized for cost-sensitive industrial and consumer applications demanding high integration, long battery life, and extended temperature reliability.
FAQ
What is the maximum operating frequency of the R5F104FFAFP#X0?
The R5F104FFAFP#X0 operates at up to 32 MHz using its high-speed on-chip oscillator, delivering 44 DMIPS performance. This frequency is fully supported across its entire industrial temperature range (-40°C to +85°C) and 1.6–5.5 V supply voltage window, enabling deterministic real-time execution in motor control and sensor fusion applications.
Does the R5F104FFAFP#X0 support in-system programming?
Yes, the R5F104FFAFP#X0 supports full in-system programming via its on-chip debug interface and self-programming capability. It enables flash rewrites with boot swapping and flash shield window protection, allowing secure firmware updates in deployed equipment without removing the R5F104FFAFP#X0 from the board.
How many serial interfaces does the R5F104FFAFP#X0 include?
The R5F104FFAFP#X0 integrates three UART channels (one supporting LIN bus), four I²C/simplified I²C channels, and three CSI (SPI-compatible) channels - all configurable on shared pins via peripheral I/O redirection registers, providing flexible connectivity for sensor arrays, displays, and communication modules.
What is the analog capability of the R5F104FFAFP#X0?
The R5F104FFAFP#X0 features a 10-bit A/D converter with 16 input channels, internal 1.45 V reference voltage, and integrated temperature sensor. It also includes two 8-bit D/A converters (0–VDD output range) and two comparators with window mode - enabling closed-loop analog control and sensor signal conditioning without external ICs.
Is the R5F104FFAFP#X0 pin-compatible with other RL78/G14 variants?
Yes, the R5F104FFAFP#X0 is pin-compatible with all 44-pin LQFP variants in the RL78/G14 family (e.g., R5F104FGAFP#X0, R5F104FEAFP#X0), sharing identical pin count, pitch (0.8 mm), mechanical footprint (10 × 10 mm), and I/O function mapping - enabling seamless memory-scaling upgrades or cost-optimized downgrades on the same PCB.
R5F104FFAFP#X0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 44-LQFP
- Series:
- RL78/G14
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Discontinued at Digi-Key
- 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:
- 31
- 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 10x8/10b; D/A 2x8b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F104FFAFP#X0 FAQ
1.How can I place an order for R5F104FFAFP#X0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F104FFAFP#X0 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 R5F104FFAFP#X0 reliable?
The price and inventory of R5F104FFAFP#X0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F104FFAFP#X0 is usually 5 days.
3.What payment methods are accepted for R5F104FFAFP#X0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F104FFAFP#X0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F104FFAFP#X0?
R5F104FFAFP#X0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F104FFAFP#X0 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 R5F104FFAFP#X0?
For technical support, including R5F104FFAFP#X0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F104FFAFP#X0 requirements.
6.How does Aetrix verify that R5F104FFAFP#X0 is sourced from the original manufacturer or authorized distributors?
All R5F104FFAFP#X0 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 R5F104FFAFP#X0 meets industry standards.
7.What is the process for return or replacement of R5F104FFAFP#X0?
All R5F104FFAFP#X0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F104FFAFP#X0, 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 R5F104FFAFP#X0 part is unused and in its original packaging.
Return procedure for R5F104FFAFP#X0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
R5F104FFAFP#X0 Tags
-
ATTINY4-TSHR
Microchip Technology
-
ATTINY10-TSHR
Microchip Technology
-
ATTINY10-TS8R
Microchip Technology
-
ATTINY202-SSNR
Microchip Technology
-
ATTINY202-SSFR
Microchip Technology
-
ATTINY402-SSNR
Microchip Technology
-
PIC16F15213T-I/MF
Microchip Technology
-
PIC16F15213-E/MF
Microchip Technology
-
PIC10F200T-I/OT
Microchip Technology
-
ATTINY412-SSNR
Microchip Technology
-
PIC10F202T-I/OT
Microchip Technology
-
ATTINY404-SSNR
Microchip Technology
Tech Hub
TTL and CMOS logic families differ in thresholds, loading, output drive, power and timing. This engineering guide compares 74HC and 74HCT, calculates noise margins and checks 3.3 V/5 V compatibility.
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
