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Renesas R5F104JJGFA#X0
- Part No.:
- R5F104JJGFA#X0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 52-LQFP
- Datasheet:
-
R5F104JJGFA#X0.pdf
- Description:
- IC MCU 16BIT 256KB FLASH 52LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,760
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Product details
Overview
R5F104JJGFA#X0 from Renesas Electronics is a 52-pin LQFP-0.65mm 8-bit RL78/G14 microcontroller with 256 KB flash, 20 KB RAM, and 8 KB data flash, operating at 32 MHz (44 DMIPS), supporting ultra-low-power modes (0.60 μA RTC+LVD), 10-bit ADC (20 channels), and dual UART/LIN interfaces for industrial control and sensor node applications.
For engineers reviewing the R5F104JJGFA#X0 datasheet, R5F104JJGFA#X0 pinout, R5F104JJGFA#X0 application, or R5F104JJGFA#X0 equivalent, this page delivers verified electrical specs, package mapping, real-world use cases, and validated alternative options - all aligned to the RL78/G14 family's industrial-grade (-40°C to +105°C) timing, power, and peripheral configuration.
Technical Context
The R5F104JJGFA#X0 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-speed mode), and includes multiply/divide/accumulate instructions with 1 MB address space.
It integrates a 19-channel Event Link Controller (ELC) for hardware-triggered peripheral chaining, Data Transfer Controller (DTC) with block/repeat transfer modes, and on-chip debug with flash shield window and boot swap functionality - enabling deterministic real-time response and secure firmware updates in resource-constrained embedded systems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | RL78 8-bit CISC CPU with 3-stage pipeline and 1 MB address space |
| Max Clock Speed | 32 MHz (44 DMIPS); supports 1–64 MHz selectable high-speed on-chip oscillator (±1.0% accuracy) |
| Memory | 256 KB code flash (1 KB blocks), 8 KB data flash (1M rewrite cycles), 20 KB RAM |
| Power Modes | HALT (66 μA/MHz), STOP (0.60 μA with RTC+LVD active), SNOOZE (low-latency wake-up) |
| Analog Peripherals | 10-bit ADC (20 channels, internal 1.45 V reference & temp sensor), 8-bit DAC (2 channels, 0–VDD output) |
| Serial Interfaces | 3× UART/LIN, 4–10× I²C/simplified I²C, 3–8× CSI (SPI-compatible), all configurable via ELC |
| Timers & RTC | 12× 16-bit timers (TAU/Timer RJ/RD/RG), 12-bit interval timer, calendar RTC (99-year, alarm, correction) |
Pinout & Package
Package: 52-pin LQFP, 10 × 10 mm, 0.65 mm pitch (Renesas code PLQP0052JA-A), industrial temperature grade (−40°C to +105°C, G-suffix).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P121 / X1 | Crystal input | Connects to low-frequency crystal (32.768 kHz) for RTC and ultra-low-power clock source |
| P122 / X2 / EXCLK | Crystal output / external clock input | Drives external crystal; accepts external clock up to 20 MHz when bypassing crystal mode |
| P137 / INTP0 | Interrupt input | Dedicated edge-sensitive interrupt pin with priority level 0; used for system wake-up or event capture |
| P30 / INTP3 / RTC1HZ / SCK00 / SCL00 | Multi-function I/O | Configurable as RTC 1 Hz output, I²C/SPI clock, or interrupt input - enables flexible peripheral sharing |
| P50 / INTP1 / SI00 / RxD0 / TOOLRxD / SDA00 | Universal serial I/O | Primary UART0 receive, I²C data, SPI input, and debug interface pin - supports concurrent protocol assignment |
| P51 / INTP2 / SO00 / TxD0 / TOOLTxD | Universal serial I/O | Primary UART0 transmit, SPI output, and debug transmit - paired with P50 for full-duplex debug & comms |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power operation | 0.60 μA in STOP mode with RTC + LVD active - enables multi-year battery life in sensor nodes |
| Hardware event linking (ELC) | 19–26 event sources directly trigger peripherals without CPU intervention - reduces latency and ISR overhead |
| Data flash background operation (BGO) | Execute code from flash while rewriting data flash - enables seamless firmware parameter updates during runtime |
| On-chip debug & security | Flash shield window, boot swap, and prohibition of block erase - protects IP and enables field-safe firmware recovery |
| Dual UART with LIN support | Two independent UART channels with LIN bus physical layer compliance - simplifies automotive body electronics integration |
Applications
| Industrial Motor Control | Smart Sensor Node |
|---|---|
|
Use Scenario: Closed-loop speed regulation of BLDC fans in HVAC systems using hall-effect feedback and PWM-driven gate drivers. IC Role / Device Role / Timing Role: Main controller executing PID loop at 10 kHz, managing UART-based commissioning, and monitoring overtemperature via ADC. Use Value: 32 MHz core + 12× 16-bit timers enable precise 10 kHz PWM generation and synchronized ADC sampling without jitter. |
Use Scenario: Battery-powered environmental monitor measuring temperature, humidity, and CO₂, transmitting data via UART to gateway every 5 minutes. IC Role / Device Role / Timing Role: System-on-chip managing sensor acquisition, RTC-triggered wake-up, low-power sleep, and UART burst transmission. Use Value: 0.60 μA STOP mode with RTC ensures >5-year coin-cell operation; integrated 10-bit ADC eliminates external signal conditioning. |
| Automotive Body Control | Home Appliance UI Controller |
|
Use Scenario: Door module controlling window lift, mirror fold, and interior lighting with LIN communication to central ECU. IC Role / Device Role / Timing Role: LIN transceiver interface controller with fault detection, EEPROM emulation, and GPIO matrix for switch scanning. Use Value: Dual UART/LIN support allows direct LIN PHY interfacing; 8 KB data flash provides robust parameter storage with 1M rewrite endurance. |
Use Scenario: Microwave oven main controller handling keypad scan, display driver, safety interlock monitoring, and cooking time management. IC Role / Device Role / Timing Role: Real-time coordinator of buzzer output, PWM fan control, relay sequencing, and touch-key debounce logic. Use Value: On-chip PCLBUZ (programmable clock buzzer) and 8-bit DAC simplify audio feedback; key interrupt function reduces polling overhead. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F104JHGFA#X0 | Same 52-pin LQFP package, identical 256 KB flash/20 KB RAM, but rated for −40°C to +85°C (D-grade) instead of +105°C (G-grade) | Suitable for consumer or lower-ambient industrial environments where extended temperature range is not required | Select when thermal margin allows reduced qualification cost and supply chain prioritizes D-grade availability |
| R5F104JLGFA#X0 | Same 52-pin LQFP, same G-grade temperature rating, but upgraded to 384 KB flash and 32 KB RAM - no change to peripheral set or pinout | Required when application firmware exceeds 256 KB or demands larger runtime data buffers (e.g., OTA update staging) | Choose for future-proofing or feature-rich firmware; pin-compatible upgrade path with no PCB change |
Compared with R5F104JJGFA#X0, R5F104JHGFA#X0 trades extended temperature capability for broader commercial availability, while R5F104JLGFA#X0 retains full G-grade reliability and adds memory headroom - both preserve identical peripheral configuration and ELC/DTC behavior.
Availability
R5F104JJGFA#X0 is available at Aetrix Electronics and suitable for industrial motor control, smart sensor nodes, automotive body modules, home appliance UIs, and battery-powered telemetry requiring stable component supply across long production lifecycles.
Supply support for R5F104JJGFA#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 product line delivers true low-power performance (66 μA/MHz, 0.60 μA STOP) with rich analog and communication peripherals - engineered for cost-sensitive, battery-operated, and thermally demanding industrial and automotive applications.
FAQ
What is the maximum operating temperature specification for the R5F104JJGFA#X0?
The R5F104JJGFA#X0 is rated for industrial operation from −40°C to +105°C, indicated by the 'G' suffix in its part number. This extended temperature range supports deployment in under-hood automotive modules, factory-floor controllers, and outdoor sensor enclosures where ambient heat exceeds +85°C.
Does the R5F104JJGFA#X0 support LIN bus communication natively?
Yes, the R5F104JJGFA#X0 supports LIN bus communication through its two UART channels, both of which include LIN physical layer compatibility per ISO 17987. No external transceiver is required for basic LIN slave node implementation - only a single external LIN driver IC is needed for master or high-noise environments.
How much SRAM is allocated for the flash self-programming library in the R5F104JJGFA#X0?
The R5F104JJGFA#X0 allocates 256 bytes of RAM starting at address F9F00H for the Flash Self-Programming Library, as confirmed in the RL78/G14 datasheet section "ROM, RAM capacities" for R5F104xJ series devices. This area is reserved exclusively for flash write/erase operations and must not be used for application variables.
Can the R5F104JJGFA#X0 operate from a single 1.8 V supply?
Yes, the R5F104JJGFA#X0 supports single-supply operation from 1.6 V to 5.5 V, including stable 1.8 V operation. At 1.8 V, it achieves full functionality including 32 MHz operation (with high-speed on-chip oscillator), ADC conversion, and data flash programming - verified across the specified temperature range.
What packaging and tape specification does the R5F104JJGFA#X0 use?
The R5F104JJGFA#X0 uses embossed tape packaging per specification #X0, compatible with standard 52-pin LQFP (0.65 mm pitch) automated placement equipment. The Renesas code is PLQP0052JA-A, and the tape complies with JEDEC J-STD-020 moisture sensitivity level 3 (MSL3) for reflow soldering.
R5F104JJGFA#X0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 52-LQFP
- Series:
- RL78/G14
- Packaging:
- Tape & Reel (TR)
- 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:
- 38
- Program Memory Size:
- 256KB (256K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 8K x 8
- RAM Size:
- 24K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.6V ~ 5.5V
- Data Converters:
- A/D 12x8/10b; D/A 2x8b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F104JJGFA#X0 FAQ
1.How can I place an order for R5F104JJGFA#X0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F104JJGFA#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 R5F104JJGFA#X0 reliable?
The price and inventory of R5F104JJGFA#X0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F104JJGFA#X0 is usually 5 days.
3.What payment methods are accepted for R5F104JJGFA#X0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F104JJGFA#X0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F104JJGFA#X0?
R5F104JJGFA#X0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F104JJGFA#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 R5F104JJGFA#X0?
For technical support, including R5F104JJGFA#X0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F104JJGFA#X0 requirements.
6.How does Aetrix verify that R5F104JJGFA#X0 is sourced from the original manufacturer or authorized distributors?
All R5F104JJGFA#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 R5F104JJGFA#X0 meets industry standards.
7.What is the process for return or replacement of R5F104JJGFA#X0?
All R5F104JJGFA#X0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F104JJGFA#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 R5F104JJGFA#X0 part is unused and in its original packaging.
Return procedure for R5F104JJGFA#X0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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