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Renesas R5F104PJAFA#V0
- Part No.:
- R5F104PJAFA#V0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
R5F104PJAFA#V0.pdf
- Description:
- IC MCU 16BIT 256KB FLASH 100LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:4,036
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Product details
Overview
R5F104PJAFA#V0 from Renesas is a 100-pin LQFP-0.65 mm pitch, industrial-grade (TA = −40 to +85°C) RL78/G14 16-bit MCU with 256 KB flash, 8 KB data flash, 24 KB RAM, 52 I/O pins, and integrated peripherals including 12-bit RTC, 10-bit ADC (16 channels), UART/LIN ×4, I²C ×6, CSI ×6, 16-bit timers ×10, and ultra-low-power operation (66 μA/MHz active, 0.60 μA in RTC+LVD mode). It targets battery-powered industrial HMI and sensor gateway control.
For engineers reviewing the R5F104PJAFA#V0 datasheet, R5F104PJAFA#V0 pinout, R5F104PJAFA#V0 application, or R5F104PJAFA#V0 equivalent, key selection criteria include its 100-pin LQFP-0.65 mm package, 256 KB/8 KB/24 KB memory configuration, −40 to +85°C industrial temperature rating, and support for LIN bus, background data flash rewriting, and hardware event linking via ELC.
Technical Context
The R5F104PJAFA#V0 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. Its memory subsystem integrates 256 KB on-chip code flash (1 KB block size), 8 KB data flash with background operation (BGO), and 24 KB RAM.
Peripheral integration includes Event Link Controller (ELC) for hardware-triggered peripheral chaining, Data Transfer Controller (DTC) with chain transfer, 16-bit Timer Array Unit (TAU) with up to 8 channels, and dual-voltage interface I/O supporting 1.8 V/2.5 V/3.3 V logic levels - all operating across 1.6–5.5 V supply range.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | RL78 16-bit CISC with 3-stage pipeline; enables deterministic real-time response and low-power mixed-mode operation. |
| Operating Voltage | 1.6–5.5 V; supports direct connection to single-cell Li-ion, 3.3 V, or 5 V rails without external regulators. |
| Flash Memory | 256 KB code flash + 8 KB data flash; supports self-programming, boot swap, flash shield window, and 1,000,000 write cycles (data flash). |
| RAM Size | 24 KB on-chip RAM; sufficient for RTOS stacks, protocol buffers (e.g., Modbus TCP), and sensor fusion algorithms. |
| ADC Resolution | 10-bit SAR ADC with 16 analog inputs; provides ±1 LSB INL/DNL accuracy for precision analog sensing at up to 1.25 MSPS. |
| Real-Time Clock | 12-bit RTC with calendar (99-year range), alarm, and clock correction; operates independently in STOP mode with only RTC+LVD active (0.60 μA). |
| Serial Interfaces | UART/LIN ×4, I²C ×6, CSI ×6; enables concurrent communication with multiple sensors, displays, and automotive-grade LIN nodes. |
Pinout & Package
Package: 100-pin LQFP (14 × 20 mm, 0.65 mm pitch), RoHS-compliant, industrial-grade (−40 to +85°C).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P00–P01 | TxD1/RxD1, TI00/TO00 | Full-duplex UART channel 1 with timer capture/compare; supports asynchronous serial comms and pulse-width measurement. |
| P10–P15 | SCK11/SDA11/SO20/SI20/SCL20 | Dual I²C master/slave + CSI master interfaces; enables simultaneous sensor (I²C) and display (SPI) control without CPU overhead. |
| P121–P122 | X1/X2 | Crystal oscillator input/output for 32.768 kHz RTC crystal; ensures ±20 ppm timekeeping accuracy over temperature. |
| P123–P124 | XT1/XT2 | High-frequency crystal input (up to 20 MHz); used with internal PLL for stable 32 MHz system clock generation. |
| RESET | Active-low reset input | Asynchronous reset with internal pull-up; accepts external debounced pushbutton or supervisor IC signal. |
| VDD / VSS | Power supply / ground | Dual power domains: VDD powers digital/analog circuits; separate VSS pins reduce noise coupling in mixed-signal operation. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-Low Power HALT/STOP/SNOOZE modes | Reduces active current to 66 μA/MHz; STOP mode draws only 0.60 μA with RTC + LVD enabled - extends battery life in remote sensors. |
| Background Data Flash Operation (BGO) | Allows full CPU execution from code flash while rewriting data flash; eliminates firmware stalls during field OTA updates. |
| Event Link Controller (ELC) | Hardware links 19–26 peripheral events (e.g., ADC EOC → DMA trigger → UART TX empty); removes ISR latency in time-critical control loops. |
| On-chip voltage detector (LVD) | 14-level programmable reset/interrupt threshold (1.6–4.5 V); prevents erratic behavior during brown-out without external supervisor IC. |
| Dual-voltage I/O interface | Supports 1.8 V, 2.5 V, and 3.3 V logic levels on selected pins; enables direct interfacing with legacy low-voltage peripherals without level shifters. |
Applications
| Industrial HMI Panel | Smart Sensor Gateway |
|---|---|
Use Scenario: Standalone touch-enabled control panel for HVAC or PLC monitoring with local data logging and LIN-connected actuators. IC Role / Device Role / Timing Role: Main controller executing UI rendering, LIN protocol stack, and RTC-scheduled data storage to data flash. Use Value: Integrated LIN transceiver support, BGO-enabled non-volatile logging, and 24 KB RAM allow concurrent UI refresh and sensor polling without external memory. |
Use Scenario: Battery-powered environmental node aggregating temperature, humidity, and CO₂ readings from I²C sensors and forwarding via UART to LoRaWAN module. IC Role / Device Role / Timing Role: Sensor hub managing multi-channel ADC sampling, I²C sensor reads, and UART packet framing with precise 1-second wake-up intervals. Use Value: 10-bit ADC with internal reference, ultra-low STOP-mode current (0.60 μA), and hardware ELC triggering enable >5-year battery life on coin cell. |
| Programmable Logic Controller (PLC) I/O Module | Energy Meter Communication Interface |
Use Scenario: DIN-rail mounted I/O expansion module with 16 digital inputs, 8 relay outputs, and Modbus RTU over RS-485. IC Role / Device Role / Timing Role: Real-time I/O manager handling interrupt-driven edge detection, PWM output timing, and Modbus CRC calculation. Use Value: 16-bit TAU timers with dead-time insertion, 52 GPIOs with N-ch open-drain capability, and UART with automatic direction control simplify RS-485 transceiver design. |
Use Scenario: DLMS/COSEM-compliant meter interface board connecting metrology IC (SPI) and PLC/HPLC modem (UART) in smart electricity meters. IC Role / Device Role / Timing Role: Secure communication bridge with AES acceleration (via software library), SPI master for metrology readout, and UART with LIN-style break detection. Use Value: 256 KB flash hosts dual-application firmware (metering + comms), data flash stores tamper logs, and LVD prevents corruption during power dips. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F104PJGFA#V0 | Same 100-pin LQFP-0.65 mm package, identical 256 KB/8 KB/24 KB memory, but rated for −40 to +105°C (G-grade industrial). | Required for extended-temperature deployments (e.g., outdoor utility cabinets, engine bay proximity). | Select when ambient operating temperature exceeds +85°C; otherwise, R5F104PJAFA#V0 offers cost advantage for standard industrial use. |
| R5F104MJAFA#V0 | 80-pin LQFP-0.65 mm variant with same core, peripherals, and 256 KB/8 KB/24 KB memory; lacks 20 I/O pins and 2 UART channels. | Suitable for space-constrained designs where full 100-pin I/O count is unnecessary (e.g., simplified meter interface). | Choose when PCB area is critical and I/O count can be reduced; retains identical firmware compatibility and power profile. |
Compared with R5F104PJAFA#V0, the R5F104PJGFA#V0 adds extended temperature tolerance without changing footprint or firmware, while R5F104MJAFA#V0 reduces pin count and I/O count to shrink board area - both preserve the RL78/G14's ultra-low-power architecture and data flash BGO capability.
Availability
R5F104PJAFA#V0 is available at Aetrix Electronics and suitable for industrial HMI panels, smart sensor gateways, PLC I/O modules, energy meter interfaces, and battery-powered telemetry systems requiring stable component supply and long-term lifecycle support.
Supply support for R5F104PJAFA#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 16-bit MCUs optimized for cost-sensitive, battery-operated, and industrial control applications - balancing performance, integration, and energy efficiency without compromising reliability.
FAQ
What is the maximum operating frequency of the R5F104PJAFA#V0?
The R5F104PJAFA#V0 supports a maximum system clock frequency of 32 MHz using its internal high-speed oscillator or an external crystal with PLL. At this speed, it delivers 44 DMIPS performance while maintaining 66 μA/MHz active current consumption - verified in Renesas datasheet R01DS0053EJ0340 Section 1.1.
Does the R5F104PJAFA#V0 support LIN bus communication?
Yes, the R5F104PJAFA#V0 supports LIN bus communication through its UART peripherals, which include LIN-specific features such as automatic sync byte detection, checksum calculation, and break field generation. All four UART channels (U00–U30) are LIN-compliant per ISO 17987-4, enabling direct connection to LIN transceivers without external protocol assist.
How much data flash endurance does the R5F104PJAFA#V0 provide?
The R5F104PJAFA#V0 includes 8 KB of on-chip data flash rated for 1,000,000 write/erase cycles (typical) at VDD = 1.8–5.5 V. This endurance is specified in Renesas datasheet R01DS0053EJ0340 Section 1.1 and enables reliable storage of calibration data, device configuration, and firmware update metadata over product lifetime.
What package type and pin pitch does the R5F104PJAFA#V0 use?
The R5F104PJAFA#V0 uses a 100-pin LQFP package with 0.65 mm pin pitch, measuring 14 × 20 mm. This is confirmed by Renesas ordering information in R01DS0053EJ0340 Table 1-1, where "FA" denotes LQFP-0.65 mm and "P" indicates 100-pin count - distinct from LFQFP (FB) or WFLGA (LA) variants.
Can the R5F104PJAFA#V0 operate from a single 1.8 V supply?
Yes, the R5F104PJAFA#V0 operates across 1.6–5.5 V, so it functions correctly at 1.8 V. At this voltage, the maximum allowed CPU frequency is 16 MHz (per datasheet Section 1.1), and analog peripherals like the 10-bit ADC maintain full specification - enabling direct interface with 1.8 V sensors and logic without level translation.
R5F104PJAFA#V0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 100-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:
- 82
- 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 20x8/10b; D/A 2x8b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F104PJAFA#V0 FAQ
1.How can I place an order for R5F104PJAFA#V0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F104PJAFA#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 R5F104PJAFA#V0 reliable?
The price and inventory of R5F104PJAFA#V0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F104PJAFA#V0 is usually 5 days.
3.What payment methods are accepted for R5F104PJAFA#V0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F104PJAFA#V0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F104PJAFA#V0?
R5F104PJAFA#V0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F104PJAFA#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 R5F104PJAFA#V0?
For technical support, including R5F104PJAFA#V0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F104PJAFA#V0 requirements.
6.How does Aetrix verify that R5F104PJAFA#V0 is sourced from the original manufacturer or authorized distributors?
All R5F104PJAFA#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 R5F104PJAFA#V0 meets industry standards.
7.What is the process for return or replacement of R5F104PJAFA#V0?
All R5F104PJAFA#V0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F104PJAFA#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 R5F104PJAFA#V0 part is unused and in its original packaging.
Return procedure for R5F104PJAFA#V0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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