Send an Inquiry

To receive a quote for your project, please fill in the following information, and we’ll get back to you promptly.

Name*
Company*
Email Address*
Phone/WhatsApp
Part Number*
Quantity*
Message
Submit Inventory List

Please fill in the following information, and we’ll get back to you promptly.

Name*
Company*
Email Address*
Phone/WhatsApp
Upload My List
Message

Renesas R5F104LDAFB#10

Part No.:
R5F104LDAFB#10
Manufacturer:
Renesas
Category:
Microcontrollers
Package:
64-LQFP
Datasheet:
AetrixR5F104LDAFB#10.pdf
Description:
IC MCU 16BIT 48KB FLASH 64LFQFP
Quantity:
Payment:
Payment
Shipping:
Shipping

Inventory:1,280

Please send an inquiry. Send us your inquiry, and we will respond immediately.

Part Number
Quantity*
Price
Name*
Company
Email*
Comments

Product details

Overview

R5F104LDAFB#10 from Renesas is a 64-pin LFQFP, 0.5 mm pitch, industrial-grade (D) RL78/G14 16-bit MCU with 48 KB code flash, 4 KB data flash, 4 KB RAM, 1.6–5.5 V operation, and ultra-low-power HALT/STOP/SNOOZE modes-designed for battery-powered sensor nodes and industrial control interfaces.

For engineers reviewing the R5F104LDAFB#10 datasheet, R5F104LDAFB#10 pinout, R5F104LDAFB#10 application, or R5F104LDAFB#10 equivalent, key selection criteria include its 64-pin LFQFP-0.5 mm package, integrated RTC + LVD + 10-bit ADC (16 ch), UART/SPI/I²C serial support, and -40°C to +85°C industrial temperature rating.

Technical Context

The R5F104LDAFB#10 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. It integrates a 16-bit Timer Array Unit (TAU) with up to 8 channels, plus dedicated RTC, watchdog, and interval timers.

Its peripheral set includes 3 UART/LIN channels, 3–8 CSI (SPI-compatible) channels, 4–10 I²C/simplified I²C channels, 16-channel 10-bit ADC with internal 1.45 V reference and temperature sensor, and dual 8-bit D/A converters-configured via register-based peripheral I/O redirection (PIOR0/1) for flexible pin assignment.

Key Specifications

ParameterValue and Actual Design Meaning
CoreRL78 16-bit CISC with 3-stage pipeline; enables deterministic real-time control at low power
Max Clock32 MHz (44 DMIPS); supports high-speed operation while maintaining 66 μA/MHz efficiency
Flash/RAM48 KB code flash + 4 KB data flash + 4 KB RAM; supports background rewriting and boot swapping
ADC10-bit resolution, 16 analog inputs, internal 1.45 V reference, and on-chip temperature sensor
Serial Interfaces3 UART/LIN, 3–8 CSI (SPI-compatible), 4–10 I²C/simplified I²C channels
TimersTimer Array Unit (TAU) with up to 8 channels, 12-bit interval timer, calendar RTC, and watchdog timer
Supply Range1.6 V to 5.5 V; enables direct interface with 1.8/2.5/3.3 V peripherals without level shifters

Pinout & Package

Package: 64-pin LFQFP, 10 × 10 mm, 0.5 mm pitch, industrial-grade (D) temperature range (-40°C to +85°C).

Pin/TerminalCircuit RoleDesign Meaning
P00–P01General-purpose I/O / TxD1/RxD1UART channel 1 pins with TRGCLKA/B for trace clocking; support TTL input and N-ch open-drain output
P10–P17Multi-function I/O / SPI/I²C/UARTConfigurable serial interface pins (SCK11/SDA11/TRDIOD1 etc.) assigned via PIOR0/1 registers
P20–P27Analog inputs / AVREFP/AVREFM16-channel ADC inputs with dedicated analog reference pins; support differential measurement
P30–P31INTP3/RTC1HZ / TI03/TO03Real-time clock output (1 Hz) and timer I/O; enables low-jitter timing and event capture
P60–P62SCLA0/SDAA0/SSI00I²C master/slave interface and synchronous serial I/O; supports multi-master arbitration
P121–P124X1/X2/XT1/XT2Crystal oscillator inputs for main (1–20 MHz) and sub (32.768 kHz) clocks; enables precise RTC and system timing
RESET / REGC / VDD / VSSReset control / Regulator capacitor / Power railsOn-chip POR/LVD; REGC requires 0.47–1 µF capacitor to VSS for stable voltage regulation

Key Features

FeatureDesign Value
Ultra-low-power STOP mode0.60 μA typical current draw with RTC and LVD active-enables multi-year battery life in sensor endpoints
Background data flash rewriteAllows full program execution from code flash while updating data flash-no interrupt latency or system freeze
Peripheral I/O redirectionPIOR0/1 registers enable dynamic remapping of UART/SPI/I²C functions to alternate pins-simplifies PCB layout reuse
On-chip voltage detector (LVD)14 programmable threshold levels (1.6–4.9 V) with interrupt or reset output-prevents erratic behavior during brown-out
Event Link Controller (ELC)Links 19–26 peripheral events (e.g., ADC EOC, timer overflow) directly to other peripherals-reduces CPU overhead

Applications

Industrial Sensor NodeSmart HVAC Controller

Use Scenario: Battery-powered temperature/humidity/pressure sensing node with wireless telemetry.

IC Role / Device Role / Timing Role: Main controller executing sensor acquisition, calibration, low-power scheduling, and UART-to-RF bridge logic.

Use Value: 0.60 μA STOP mode extends 2× AA battery life beyond 5 years; integrated 10-bit ADC and temperature sensor eliminate external components.

Use Scenario: Wall-mounted HVAC zone controller managing fan speed, valve position, and ambient sensing.

IC Role / Device Role / Timing Role: Real-time coordinator of PWM fan drivers, I²C temperature sensors, and LIN bus communication to central unit.

Use Value: RTC with calendar alarm enables precise scheduled ventilation; 3 UART/LIN channels support local UI, sensor network, and building management system links.

Programmable Logic RelayEnergy Meter Interface Module

Use Scenario: DIN-rail mounted relay module with configurable digital I/O, timing, and serial monitoring.

IC Role / Device Role / Timing Role: Deterministic logic engine implementing time-delayed switching, pulse counting, and Modbus RTU over UART.

Use Value: 44 DMIPS at 32 MHz ensures sub-millisecond response to input changes; 64-pin LFQFP provides ample GPIO for discrete I/O expansion.

Use Scenario: Sub-metering add-on board interfacing with polyphase energy ICs via SPI and reporting via RS-485.

IC Role / Device Role / Timing Role: SPI master to metrology ADC, UART-to-RS485 converter, and secure data logger using data flash.

Use Value: 4 KB data flash rated for 1M rewrites stores tamper-proof kWh logs; 1.6–5.5 V supply tolerates wide AC-DC rail variation.

Equivalent & Alternatives

The following parts are listed as comparable options for similar 16-bit MCU applications.

Alternative PartTechnical DifferenceApplication DifferenceSelection Advice
R5F104LEAFB#10Same package and pinout; 64 KB code flash, 4 KB data flash, 5.5 KB RAMHigher flash/RAM supports larger firmware with OTA update capabilitySelect when firmware size exceeds 48 KB or additional RAM is needed for protocol stacks
R5F104LGAFB#10Same package and pinout; 96 KB code flash, 8 KB data flash, 12 KB RAMEnhanced memory and data flash endurance (1M cycles) suit long-life logging systemsChoose for applications requiring extended data retention or field-upgradable calibration tables

Compared with R5F104LDAFB#10, R5F104LEAFB#10 offers +16 KB flash and +1.5 KB RAM for modest firmware growth, while R5F104LGAFB#10 doubles flash and data flash capacity-making it suitable for complex control algorithms and persistent data storage where longevity matters.

Availability

R5F104LDAFB#10 is available at Aetrix Electronics and suitable for industrial sensor nodes, smart HVAC controllers, and programmable logic relays requiring stable component supply across extended production lifecycles.

Supply support for R5F104LDAFB#10 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 product line delivers true low-power performance (66 μA/MHz, 0.60 μA STOP) for cost-sensitive industrial and consumer control applications requiring rich analog integration and robust serial connectivity.

FAQ

What is the operating temperature range for the R5F104LDAFB#10?

The R5F104LDAFB#10 is rated for industrial operation from -40°C to +85°C (denoted by the 'D' in the part number). This range ensures reliable performance in factory automation, building controls, and outdoor sensor enclosures without thermal derating.

Does the R5F104LDAFB#10 support in-circuit debugging?

Yes, the R5F104LDAFB#10 includes an on-chip debug function compatible with Renesas E2 emulator and CS+ IDE. Debug access uses dedicated pins (e.g., P40/TOOL0, P50/P51) and supports breakpoints, watchpoints, and flash programming during development.

How many UART/LIN interfaces does the R5F104LDAFB#10 provide?

The R5F104LDAFB#10 provides three UART channels with LIN-bus support. These are implemented on pins P13/P14 (UART2), P00/P01 (UART1), and P50/P51 (UART0), all configurable via the peripheral I/O redirection registers (PIOR0/1).

What is the maximum ADC resolution and channel count on the R5F104LDAFB#10?

The R5F104LDAFB#10 features a 10-bit successive-approximation ADC with up to 16 analog input channels (ANI0–ANI19, excluding reserved pins). It includes an internal 1.45 V reference and on-die temperature sensor for self-calibration.

Is the R5F104LDAFB#10 pin-compatible with other RL78/G14 variants in 64-pin LFQFP?

Yes, the R5F104LDAFB#10 shares identical pinout and package (64-pin LFQFP, 0.5 mm pitch) with all other RL78/G14 devices ending in "AFB", including R5F104LEAFB#10 and R5F104LGAFB#10-enabling drop-in replacement within the same memory/configuration family.

R5F104LDAFB#10 Specifications

Product attributes
Attribute value
Manufacturer:
Renesas
Package/Case:
64-LQFP
Series:
RL78/G14
Packaging:
Tray
Product Status:
Active
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:
48
Program Memory Size:
48KB (48K x 8)
Program Memory Type:
FLASH
EEPROM Size:
4K x 8
RAM Size:
5.5K x 8
Voltage - Supply (Vcc/Vdd):
1.6V ~ 5.5V
Data Converters:
A/D 12x8/10b
Oscillator Type:
Internal
Operating Temperature:
-40°C ~ 85°C (TA)
Grade:
-
Qualification:
-
Mounting Type:
Surface Mount
Supplier Device Package:

R5F104LDAFB#10 FAQ

1.How can I place an order for R5F104LDAFB#10 through Aetrix?

Please submit a Request for Quotation (RFQ) for R5F104LDAFB#10 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 R5F104LDAFB#10 reliable?

The price and inventory of R5F104LDAFB#10 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F104LDAFB#10 is usually 5 days.

3.What payment methods are accepted for R5F104LDAFB#10?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F104LDAFB#10 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for R5F104LDAFB#10?

R5F104LDAFB#10 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your R5F104LDAFB#10 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 R5F104LDAFB#10?

For technical support, including R5F104LDAFB#10 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F104LDAFB#10 requirements.

6.How does Aetrix verify that R5F104LDAFB#10 is sourced from the original manufacturer or authorized distributors?

All R5F104LDAFB#10 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 R5F104LDAFB#10 meets industry standards.

7.What is the process for return or replacement of R5F104LDAFB#10?

All R5F104LDAFB#10 units undergo pre-shipment inspection (PSI). If there is an issue with R5F104LDAFB#10, 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 R5F104LDAFB#10 part is unused and in its original packaging.

Return procedure for R5F104LDAFB#10:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

R5F104LDAFB#10 Tags

  • R5F104LDAFB#10
  • R5F104LDAFB#10 PDF
  • R5F104LDAFB#10 Datasheet
  • R5F104LDAFB#10 Specifications
  • R5F104LDAFB#10 Images
  • Renesas
  • Renesas R5F104LDAFB#10
  • Buy R5F104LDAFB#10
  • R5F104LDAFB#10 Price
  • R5F104LDAFB#10 Distributor
  • R5F104LDAFB#10 Supplier
  • R5F104LDAFB#10 Wholesale
Related Products
ATTINY4-TSHR
ATTINY4-TSHR

Microchip Technology

ATTINY10-TSHR
ATTINY10-TSHR

Microchip Technology

ATTINY10-TS8R
ATTINY10-TS8R

Microchip Technology

ATTINY202-SSNR
ATTINY202-SSNR

Microchip Technology

ATTINY202-SSFR
ATTINY202-SSFR

Microchip Technology

ATTINY402-SSNR
ATTINY402-SSNR

Microchip Technology

PIC16F15213T-I/MF
PIC16F15213T-I/MF

Microchip Technology

PIC16F15213-E/MF
PIC16F15213-E/MF

Microchip Technology

PIC10F200T-I/OT
PIC10F200T-I/OT

Microchip Technology

ATTINY412-SSNR
ATTINY412-SSNR

Microchip Technology

PIC10F202T-I/OT
PIC10F202T-I/OT

Microchip Technology

ATTINY404-SSNR
ATTINY404-SSNR

Microchip Technology

Tech Hub

Search

Search

PRODUCT

PRODUCT

PHONE

PHONE

USER

USER