Renesas R5F104LDGFP#50
- Part No.:
- R5F104LDGFP#50
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
R5F104LDGFP#50.pdf
- Description:
- IC MCU 16BIT 48KB FLASH 64LQFP
- Quantity:
- Payment:

- Shipping:

Inventory:1,000
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
R5F104LDGFP#50 from Renesas is a 64-pin LFQFP, 512 KB flash, 8 KB data flash, 4 KB RAM RL78/G14 16-bit microcontroller operating from 1.6–5.5 V, delivering 44 DMIPS at 32 MHz with ultra-low power consumption (66 μA/MHz active, 0.60 μA RTC+LVD mode), used in industrial motor control and sensor interface modules.
For engineers reviewing the R5F104LDGFP#50 datasheet, R5F104LDGFP#50 pinout, R5F104LDGFP#50 application, or R5F104LDGFP#50 equivalent, key selection criteria include its 64-pin LFQFP-0.5 mm pitch package, integrated 12-bit RTC with calendar/alarm, dual 10-bit ADC (20-channel), and hardware event link controller (ELC) for deterministic peripheral triggering in real-time embedded systems.
Technical Context
The R5F104LDGFP#50 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 ultra-low-power mode), and includes multiply/divide/accumulate instructions with 1 MB address space.
It integrates a configurable Data Transfer Controller (DTC) with chain transfer capability, Event Link Controller (ELC) supporting up to 26 event sources linked to peripherals, and on-chip debug with flash shield window and boot swapping for secure firmware updates.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | RL78 16-bit CISC CPU with 3-stage pipeline and 1 MB address space |
| Max Clock Speed | 32 MHz - delivers 44 DMIPS for deterministic real-time control loops |
| Flash Memory | 512 KB code flash with 1 KB block size, self-programming, and security lock |
| Data Flash | 8 KB with background operation (BGO), 1M rewrite cycles, 1.8–5.5 V programming voltage |
| RAM | 4 KB on-chip SRAM - sufficient for RTOS stacks and sensor data buffering |
| ADC | 10-bit resolution, 20-channel input, internal 1.45 V reference and temperature sensor |
| Power Modes | HALT (66 μA/MHz), STOP (0.60 μA), SNOOZE - enables battery-powered operation >10 years |
Pinout & Package
Package: 64-pin LFQFP, 10 × 10 mm body, 0.5 mm pitch, exposed thermal pad (recommended to connect to VSS).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P121/X1 | Crystal oscillator input | Connects to 32.768 kHz crystal for RTC accuracy ±20 ppm over -40°C to +105°C |
| P122/X2/EXCLK | Crystal oscillator output / external clock input | Drives 32.768 kHz crystal; also accepts external clock for fail-safe timing |
| RESET | Active-low reset input | Asynchronous reset with internal pull-up; compatible with external supervisor ICs |
| REGC | Regulator bypass capacitor terminal | Requires 0.47–1 µF capacitor to VSS for stable on-chip LDO regulation |
| P60/SCLA0 | I²C bus clock line | Dedicated hardware I²C channel supporting standard/fast-mode (100/400 kHz) |
| P61/SDAA0 | I²C bus data line | Open-drain output with programmable slew rate for noise-immune communication |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low power HALT mode | 66 μA/MHz enables energy harvesting designs with sub-100 μA average current |
| Real-time clock (RTC) | Calendar function (99-year range), alarm, and auto clock correction reduce host MCU overhead |
| Event Link Controller (ELC) | Hardware-triggered peripheral activation eliminates CPU polling and ISR latency |
| On-chip debug interface | Fully compliant with Renesas E2 emulator; supports flash shield window for IP protection |
| Peripheral I/O redirection | PIOR0/1 registers allow dynamic remapping of UART, SPI, and timer pins without PCB change |
Applications
| Industrial Motor Control | Sensor Fusion Node |
|---|---|
Use Scenario: Closed-loop BLDC motor drive with Hall-effect feedback and thermal monitoring. IC Role / Device Role / Timing Role: Main controller executing FOC algorithm, managing PWM timers (TAU, RD), ADC sampling, and fault handling via LVD/RTC. Use Value: 66 μA/MHz active power and STOP mode enable standby during idle; 20-channel ADC supports simultaneous current/voltage/temperature acquisition. |
Use Scenario: Multi-sensor environmental node (temp/humidity/pressure) with LoRaWAN backhaul. IC Role / Device Role / Timing Role: Sensor aggregator with RTC-triggered wake-up, BGO data flash logging, and low-power UART/I²C interfaces. Use Value: 0.60 μA STOP mode extends battery life; 8 KB data flash stores 10k+ sensor records with wear leveling. |
| Smart Metering Interface | Programmable Logic Controller (PLC) I/O Module |
Use Scenario: Electricity meter auxiliary processor handling tamper detection, display, and IR communication. IC Role / Device Role / Timing Role: Secondary controller interfacing with metrology ASIC via SPI, driving LCD via PCLBUZ, and managing secure IR protocol stack. Use Value: On-chip BCD correction accelerates kWh calculation; flash shield window prevents unauthorized firmware access. |
Use Scenario: DIN-rail mounted digital I/O expansion module with isolated inputs/outputs. IC Role / Device Role / Timing Role: Protocol bridge translating Modbus RTU to local GPIO/timer events using UART + ELC-triggered DTC transfers. Use Value: ELC eliminates CPU intervention for input edge capture; 44 DMIPS handles multiple Modbus slaves concurrently. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F104LGFP#50 | Same 64-pin LFQFP package, but 384 KB flash / 24 KB RAM - lower code density, higher RAM headroom | Better suited for applications requiring larger buffer memory but less firmware complexity | Select when firmware size < 384 KB and real-time data buffering dominates over code footprint |
| R5F104LEFP#50 | Same 64-pin LFQFP, 48 KB flash / 5.5 KB RAM - significantly reduced memory and peripheral count (e.g., fewer UART/ADC channels) | Targeted at cost-sensitive, functionally minimal control tasks (e.g., basic timer-based sequencers) | Choose only if application fits within 48 KB flash and does not require RTC calendar or dual ADC banks |
Compared with R5F104LGFP#50 and R5F104LEFP#50, the R5F104LDGFP#50 provides optimal balance of large code capacity (512 KB), full peripheral complement (20-channel ADC, 4× UART, ELC/DTC), and industrial-grade -40°C to +105°C operation - making it the preferred choice for feature-rich, long-lifecycle industrial firmware deployments.
Availability
R5F104LDGFP#50 is available at Aetrix Electronics and suitable for industrial motor control, smart metering, sensor fusion nodes, and PLC I/O modules requiring stable component supply across extended temperature ranges and multi-year production cycles.
Supply support for R5F104LDGFP#50 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 management solutions for automotive, industrial, and IoT markets.
The RL78/G14 product line delivers true low-power 16-bit MCUs optimized for cost-sensitive, energy-constrained industrial and consumer applications requiring robust real-time performance and long-term supply stability.
FAQ
What is the operating temperature range for the R5F104LDGFP#50?
The R5F104LDGFP#50 is rated for industrial operation from -40°C to +105°C ('G' grade), validated across the full range for flash retention, ADC accuracy, and oscillator stability - critical for under-hood automotive ancillaries and factory-floor controllers where ambient heat exceeds 85°C.
Does the R5F104LDGFP#50 support in-circuit debugging without external hardware?
Yes, the R5F104LDGFP#50 integrates a full on-chip debug interface compatible with Renesas E2/E2 Lite emulators via the dedicated TOOL0/TOOLRxD/TOOLTxD pins. No external debug probe is required beyond the standard JTAG/SWD adapter, and flash shield window allows secure debugging without exposing firmware.
How many UART channels does the R5F104LDGFP#50 provide, and do they support LIN bus?
The R5F104LDGFP#50 provides four UART channels (UART0–UART3), all supporting LIN bus physical layer compliance per LIN 2.2A specification, including automatic sync-break detection, checksum generation, and slave node response timing - enabling direct integration into automotive body control modules.
Can the R5F104LDGFP#50 perform ADC conversions while executing code from flash?
Yes, the R5F104LDGFP#50 supports concurrent ADC operation and program execution. Its 10-bit ADC can be triggered by hardware sources (e.g., TAU timer overflow or ELC events) and store results directly to RAM via DTC - eliminating CPU polling and ensuring deterministic sampling intervals even during heavy flash read activity.
What packaging and lead finish does the R5F104LDGFP#50 use?
The R5F104LDGFP#50 uses a 64-pin LFQFP package (10 × 10 mm, 0.5 mm pitch) with lead-free (Pb-free), halogen-free matte tin finish conforming to JEDEC J-STD-020 moisture sensitivity level 3 - suitable for standard reflow profiles and RoHS-compliant manufacturing.
R5F104LDGFP#50 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 64-LQFP
- Series:
- RL78/G14
- Packaging:
- Tape & Reel (TR)
- 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):
- 2.4V ~ 5.5V
- Data Converters:
- A/D 12x8/10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F104LDGFP#50 FAQ
1.How can I place an order for R5F104LDGFP#50 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F104LDGFP#50 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 R5F104LDGFP#50 reliable?
The price and inventory of R5F104LDGFP#50 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F104LDGFP#50 is usually 5 days.
3.What payment methods are accepted for R5F104LDGFP#50?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F104LDGFP#50 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F104LDGFP#50?
R5F104LDGFP#50 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F104LDGFP#50 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 R5F104LDGFP#50?
For technical support, including R5F104LDGFP#50 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F104LDGFP#50 requirements.
6.How does Aetrix verify that R5F104LDGFP#50 is sourced from the original manufacturer or authorized distributors?
All R5F104LDGFP#50 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 R5F104LDGFP#50 meets industry standards.
7.What is the process for return or replacement of R5F104LDGFP#50?
All R5F104LDGFP#50 units undergo pre-shipment inspection (PSI). If there is an issue with R5F104LDGFP#50, 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 R5F104LDGFP#50 part is unused and in its original packaging.
Return procedure for R5F104LDGFP#50:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
R5F104LDGFP#50 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…

