Renesas R5F104LDDFP#V0
- Part No.:
- R5F104LDDFP#V0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
R5F104LDDFP#V0.pdf
- Description:
- IC MCU 16BIT 48KB FLASH 64LQFP
- Quantity:
- Payment:

- Shipping:

Inventory:2,668
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
R5F104LDDFP#V0 from Renesas is a 64-pin LFQFP-packaged RL78/G14 16-bit microcontroller with 32 KB flash, 4 KB data flash, and 4 KB RAM, operating at 1.6–5.5 V and delivering 44 DMIPS at 32 MHz for industrial control, sensor nodes, and low-power HMI applications.
For engineers reviewing the R5F104LDDFP#V0 datasheet, R5F104LDDFP#V0 pinout, R5F104LDDFP#V0 application, or R5F104LDDFP#V0 equivalent, key selection criteria include its 64-pin LFQFP-0.5 mm pitch package, -40°C to +85°C industrial temperature grade (D), integrated RTC + LVD + DTC + ELC, and support for UART/LIN, I²C, CSI, and 16-bit timers with real-time D/A output.
Technical Context
The R5F104LDDFP#V0 implements the RL78 CPU core with 3-stage pipeline, configurable instruction timing (0.03125 µs to 30.5 µs), and multiply/divide/accumulate instructions. It integrates a high-accuracy ±1.0% on-chip oscillator (1–64 MHz selectable) and supports HALT/STOP/SNOOZE low-power modes down to 0.60 µA (RTC+LVD active).
Peripheral integration includes 8-channel 10-bit A/D converter (20 inputs), dual 8-bit D/A outputs (0–VDD range), two comparators, up to 10 I²C channels, four UART/LIN interfaces, and Event Link Controller (ELC) enabling hardware-triggered peripheral chaining without CPU intervention.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | RL78 16-bit CISC with 3-stage pipeline and 1 MB address space |
| Max Clock Speed | 32 MHz - delivers 44 DMIPS for deterministic real-time control |
| Flash Memory | 32 KB code flash - supports block erase (1 KB), self-programming, and boot swap |
| Data Flash | 4 KB - enables 1M write cycles with background operation (BGO) |
| RAM | 4 KB - sufficient for RTOS stacks, communication buffers, and sensor fusion |
| Supply Voltage | 1.6–5.5 V - single-supply operation compatible with Li-ion, coin cell, and industrial rails |
| Operating Temp | -40°C to +85°C (Industrial D-grade) - qualified for factory automation and building controls |
| Low-Power Mode | 0.60 µA in STOP mode with RTC + LVD active - enables multi-year battery life in metering |
Pinout & Package
Package: 64-pin LFQFP, 10 × 10 mm, 0.5 mm pitch, exposed pad (PLQP0064KF-A code), RoHS-compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P121 / X1 | Crystal input | Connects to 32.768 kHz tuning-fork crystal for RTC accuracy |
| P122 / X2 / EXCLK | Crystal output / external clock input | Drives crystal; also accepts external clock source up to 20 MHz |
| RESET | Active-low reset input | Asynchronous reset with internal pull-up; debounced by on-chip POR/LVD |
| REGC | Regulator bypass capacitor terminal | Requires 0.47–1 µF ceramic cap to VSS for stable internal voltage regulation |
| P30 / INTP3 / SCK00 / SCL00 / TRJO0 | Multi-function I/O | Configurable as SPI/I²C master clock or JTAG trace port - enables debug without dedicated pins |
| P16 / TI01 / TO01 / INTP5 / TRDIOC0 / IVREF0 | Timer/Interrupt/Reference I/O | Supports input capture, PWM output, interrupt trigger, and internal reference voltage routing |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low power STOP mode | 0.60 µA with RTC + LVD active - eliminates need for external RTC and reduces BOM count |
| On-chip debug interface | Fully integrated FINE v2 - enables flash programming and real-time debugging via single-wire SWD |
| Event Link Controller (ELC) | Hardware-peripheral chaining - removes CPU overhead for timer-triggered ADC sampling or PWM updates |
| Background operation (BGO) | Execute code from flash while rewriting data flash - ensures uninterrupted real-time operation during firmware updates |
| Dual 8-bit D/A converters | 0–VDD output range with real-time update - supports analog setpoint generation and calibration signal injection |
| 10-bit A/D with 20 inputs | Internal 1.45 V reference and temperature sensor - enables direct thermal monitoring without external components |
Applications
| Industrial Sensor Node | Smart Thermostat HMI |
|---|---|
Use Scenario: Battery-powered wireless temperature/humidity/pressure node in HVAC ducts or factory floors. IC Role / Device Role / Timing Role: Main controller managing sensor acquisition, LIN bus communication, and ultra-low-power sleep scheduling. Use Value: 0.60 µA STOP mode with RTC extends CR2032 battery life beyond 5 years; integrated LVD prevents brownout-induced data corruption. | Use Scenario: Local display and control unit with touch buttons, LCD, and local relay actuation. IC Role / Device Role / Timing Role: System-on-chip handling capacitive touch sensing, segment LCD driving, and real-time ambient temperature compensation. Use Value: Dual 8-bit D/A outputs generate precise bias voltages for touch controller ICs; 10-bit A/D reads thermistor with internal 1.45 V reference for drift-free calibration. |
| Programmable Logic Controller (PLC) I/O Module | Energy Meter Communication Interface |
Use Scenario: DIN-rail mounted digital input/output expansion module with isolation and diagnostics. IC Role / Device Role / Timing Role: Isolated field-side controller interfacing with optocouplers and relays via GPIO, UART, and timer-based pulse-width modulation. Use Value: ELC links timer overflow to GPIO toggle - enables jitter-free 100 Hz diagnostic LED blink without CPU load; 44 DMIPS handles Modbus RTU parsing in real time. | Use Scenario: Sub-metering device communicating via RS-485 (Modbus) and optical IR port (IEC 62056-21). IC Role / Device Role / Timing Role: Protocol bridge between metrology ASIC and bidirectional serial interfaces, with secure firmware updates over UART. Use Value: 4 KB data flash stores encryption keys and tariff tables with 1M write endurance; BGO allows firmware patching during live metering without interrupting kWh accumulation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F104LEDFP#V0 | 48 KB flash, 5.5 KB RAM - larger code space and buffer memory | Better suited for Modbus TCP stack or larger GUI frameworks | Select when firmware size exceeds 32 KB or additional RAM is needed for network buffers |
| R5F104LDGFP#V0 | Same flash/RAM but G-grade (-40°C to +105°C) and LFQFP-0.5 mm | Required for under-hood automotive or high-temp industrial enclosures | Choose only if ambient operating temperature exceeds +85°C |
Compared with R5F104LDDFP#V0, R5F104LEDFP#V0 provides headroom for feature-rich firmware, while R5F104LDGFP#V0 trades industrial D-grade qualification for extended temperature capability - neither offers pin-to-pin compatibility, and PCB layout must be verified per Renesas PLQP0064KF-A footprint.
Availability
R5F104LDDFP#V0 is available at Aetrix Electronics and suitable for industrial sensor nodes, smart thermostat HMIs, and PLC I/O modules requiring stable component supply, long-term lifecycle assurance, and RoHS-compliant manufacturing.
Supply support for R5F104LDDFP#V0 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 industrial, automotive, and IoT markets.
The RL78/G14 product line delivers true low-power performance (66 µA/MHz) with rich analog and communication peripherals, targeting cost-sensitive, battery-operated, and industrial control applications where reliability and code efficiency are critical.
FAQ
What is the maximum operating frequency and corresponding DMIPS rating for the R5F104LDDFP#V0?
The R5F104LDDFP#V0 operates at up to 32 MHz with an RL78 CPU core delivering 44 DMIPS. This performance level is achieved using the high-speed on-chip oscillator and accounts for pipeline efficiency and instruction mix typical of industrial control workloads. The R5F104LDDFP#V0 maintains this throughput across its full 1.6–5.5 V supply range and -40°C to +85°C temperature window.
Does the R5F104LDDFP#V0 support in-system programming and secure firmware updates?
Yes, the R5F104LDDFP#V0 supports full in-system programming via its on-chip debug interface (FINE v2) and includes flash shield window and block erase prohibition features for security. Self-programming is enabled with boot swap functionality, allowing validated firmware images to be loaded into inactive flash banks and activated atomically - a capability fully implemented in the R5F104LDDFP#V0's 32 KB code flash.
What are the analog peripheral resources available on the R5F104LDDFP#V0?
The R5F104LDDFP#V0 integrates an 8/10-bit A/D converter with up to 20 input channels, two 8-bit D/A converters (0–VDD output), two comparators with window mode, and an internal 1.45 V reference voltage plus temperature sensor. All analog resources operate across the full 1.6–5.5 V supply range and are accessible without external components - confirmed in the R5F104LDDFP#V0's specific configuration within the RL78/G14 family.
Can the R5F104LDDFP#V0 drive an LCD directly, and what interface options does it support?
The R5F104LDDFP#V0 does not include a dedicated segment or dot-matrix LCD controller. However, it supports static and 2/3/4-line multiplexed LCD driving via general-purpose I/O pins configured with software-timed waveforms - a method validated for small character displays in R5F104LDDFP#V0 reference designs. For full LCD functionality, external drivers or higher-pin-count RL78 variants (e.g., R5F104ML) are recommended.
What communication interfaces are supported by the R5F104LDDFP#V0, and how many instances of each are available?
The R5F104LDDFP#V0 supports three UART/LIN channels, up to ten I²C/simplified I²C channels, and three to eight CSI (SPI-compatible) channels. These interfaces are allocated per the 64-pin LFQFP package and D-grade configuration - specifically: 3 UART/LIN, 4 I²C, and 3 CSI channels, all accessible via flexible pin remapping through the peripheral I/O redirection registers (PIOR0/1).
R5F104LDDFP#V0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 64-LQFP
- Series:
- RL78/G14
- Packaging:
- Tray
- Product Status:
- Obsolete
- 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:
R5F104LDDFP#V0 FAQ
1.How can I place an order for R5F104LDDFP#V0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F104LDDFP#V0 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 R5F104LDDFP#V0 reliable?
The price and inventory of R5F104LDDFP#V0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F104LDDFP#V0 is usually 5 days.
3.What payment methods are accepted for R5F104LDDFP#V0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F104LDDFP#V0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F104LDDFP#V0?
R5F104LDDFP#V0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F104LDDFP#V0 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 R5F104LDDFP#V0?
For technical support, including R5F104LDDFP#V0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F104LDDFP#V0 requirements.
6.How does Aetrix verify that R5F104LDDFP#V0 is sourced from the original manufacturer or authorized distributors?
All R5F104LDDFP#V0 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 R5F104LDDFP#V0 meets industry standards.
7.What is the process for return or replacement of R5F104LDDFP#V0?
All R5F104LDDFP#V0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F104LDDFP#V0, 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 R5F104LDDFP#V0 part is unused and in its original packaging.
Return procedure for R5F104LDDFP#V0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
R5F104LDDFP#V0 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…

