Renesas R5F100GJDNA#U0
- Part No.:
- R5F100GJDNA#U0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 48-WFQFN Exposed Pad
- Datasheet:
-
R5F100GJDNA#U0.pdf
- Description:
- IC MCU 16BIT 256KB FLASH 48HWQFN
- Quantity:
- Payment:

- Shipping:

Inventory:1,734
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Product details
Overview
R5F100GJDNA#U0 from Renesas is a 48-pin HWQFN-packaged 16-bit RL78/G13 microcontroller with 128 KB flash, 8 KB data flash, 12 KB RAM, 52-channel I/O, and integrated RTC/LVD - designed for battery-powered industrial sensors and low-power HMI control nodes operating from 1.6–5.5 V.
For engineers reviewing the R5F100GJDNA#U0 datasheet, R5F100GJDNA#U0 pinout, R5F100GJDNA#U0 application, or R5F100GJDNA#U0 equivalent, key selection criteria include ultra-low power modes (0.57 μA STOP), on-chip debug support, BGO-capable data flash rewriting, 10-bit ADC with 26 channels, and hardware UART/SPI/I²C interfaces for sensor fusion and serial gateway functions.
Technical Context
The R5F100GJDNA#U0 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 features a unified 1 MB address space with four register banks. It integrates DMA (4 channels), multiplier/divider/MAC units, and background operation for data flash writes without halting code execution.
Power management includes HALT/STOP/SNOOZE modes, on-chip POR and LVD (14 selectable levels), and a high-accuracy ±1.0% on-chip oscillator (32 MHz max). The device supports real-time calendar-based RTC with alarm and clock correction, plus watchdog timer with dedicated low-speed oscillator.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | RL78 16-bit CISC with 3-stage pipeline, 41 DMIPS @ 32 MHz |
| Flash Memory | 128 KB code flash (1 KB block size); supports self-programming and boot swap |
| Data Flash | 8 KB with background operation (BGO); 1M rewrite cycles; VDD = 1.8–5.5 V |
| RAM | 12 KB on-chip SRAM; used by flash library at start address FAF00H |
| Power Modes | 66 μA/MHz active; 0.57 μA in STOP mode with RTC + LVD enabled |
| ADC | 10-bit resolution, 26 analog inputs, internal 1.45 V reference and temp sensor |
| Operating Temp | −40°C to +105°C (Industrial G-grade) |
Pinout & Package
Package: HWQFN-48 (7 × 7 mm, 0.5 mm pitch, NA suffix), thermally enhanced, lead-free, moisture-sensitive level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P10–P17 | Port 1 bidirectional I/O | Configurable as N-ch open drain (6 V tolerant), TTL input, or pull-up; supports key interrupt |
| P20–P27 | Port 2 analog/digital I/O | Includes ANI0–ANI7, AVREFP/AVREFM; enables 10-bit ADC with internal reference |
| P30–P37 | Port 3 serial interface pins | Supports CSI (SPI-compatible), UART (LIN-capable), and I²C across multiple channels |
| P40–P47 | Port 4 timer/peripheral pins | Maps to 16-bit timers (T00–T15), interval timer, RTC I/O, and watchdog reset |
| VDD, VSS | Power supply terminals | Dual VDD/VSS pairs for noise isolation; operates from 1.6–5.5 V single supply |
| RESET | Active-low reset input | Accepts external reset; internally tied to POR and LVD outputs |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low power architecture | 0.57 μA STOP mode enables multi-year battery life in sensor endpoints |
| On-chip debug & programming | Fully integrated on-chip debug interface; no external emulator required for flash programming |
| Background data flash write | Execute application code while rewriting 8 KB data flash - critical for firmware-over-the-air updates |
| Hardware peripheral flexibility | Up to 16× 16-bit timers, 3× UART (LIN-ready), 10× I²C, 8× CSI - reduces external component count |
| Different-potential I/O | Interface directly with 1.8 V, 2.5 V, or 3.3 V peripherals without level shifters |
Applications
| Smart Sensor Node | Industrial HMI Controller |
|---|---|
|
Use Scenario: Battery-powered temperature/humidity sensor with wireless telemetry and local display. IC Role / Device Role / Timing Role: Main system controller managing ADC sampling, RTC timestamping, SPI communication with RF module, and low-power sleep scheduling. Use Value: 0.57 μA STOP mode extends CR2032 battery life beyond 5 years; BGO allows OTA parameter updates without interrupting sensor logging. |
Use Scenario: Panel-mounted touch-button interface for HVAC or motor drive status monitoring. IC Role / Device Role / Timing Role: Real-time UI processor handling button debouncing, LED/buzzer control, UART comms with host MCU, and RTC-based event logging. Use Value: Integrated buzzer output controller and key interrupt eliminate external logic; −40°C to +105°C rating ensures reliability in enclosed enclosures. |
| Energy Meter Subsystem | Factory Automation I/O Module |
|
Use Scenario: Auxiliary metering unit measuring auxiliary loads (lighting, pumps) with tamper detection. IC Role / Device Role / Timing Role: Precision measurement controller using 10-bit ADC with internal reference and LVD for brown-out protection during voltage dips. Use Value: On-chip 1.45 V reference and temperature sensor enable drift-compensated measurements; LVD with 14-level programmability prevents false trips. |
Use Scenario: DIN-rail mounted digital I/O expansion module with isolated inputs and relay drivers. IC Role / Device Role / Timing Role: Protocol bridge translating Modbus RTU over RS-485 to local GPIO control with precise timing for pulse-width modulation of actuators. Use Value: Hardware UART with LIN support simplifies RS-485 transceiver integration; 52-channel I/O supports mixed sourcing/sinking configurations per port. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F100GJDFB#V0 | LQFP-48 package (7 × 7 mm, 0.5 mm pitch); same memory, peripherals, and temp grade | Requires PCB layout change due to different footprint and thermal pad configuration | Select when board space allows larger LQFP or when reflow compatibility with legacy LQFP lines is required |
| R5F101GJDNA#U0 | Identical package and pinout but lacks data flash (0 KB); otherwise identical core/peripherals | Not suitable for applications requiring nonvolatile parameter storage or field firmware updates | Choose only if data flash is unnecessary and cost reduction is prioritized over field update capability |
Compared with R5F100GJDNA#U0, R5F100GJDFB#V0 offers identical functionality in a more serviceable LQFP package but increases board area and thermal resistance, while R5F101GJDNA#U0 removes data flash entirely - eliminating BGO and parameter retention capability without reducing code flash or I/O count.
Availability
R5F100GJDNA#U0 is available at Aetrix Electronics and suitable for industrial sensor nodes, factory automation I/O modules, and energy meter subsystems requiring stable component supply across extended product lifecycles.
Supply support for R5F100GJDNA#U0 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/G13 family delivers ultra-low-power 16-bit MCUs optimized for cost-sensitive, battery-operated industrial and consumer devices requiring robust peripheral integration and long-term supply stability.
FAQ
What is the maximum operating frequency and corresponding DMIPS rating for the R5F100GJDNA#U0?
The R5F100GJDNA#U0 achieves a maximum operating frequency of 32 MHz using its high-speed on-chip oscillator, delivering 41 DMIPS performance. This is measured under HS (high-speed main) mode with the RL78 CPU core's 3-stage pipeline and optimized instruction set - enabling real-time control tasks in compact industrial edge nodes without external clock sources.
Does the R5F100GJDNA#U0 support background data flash rewriting while executing application code?
Yes, the R5F100GJDNA#U0 supports Background Operation (BGO) for data flash. Its 8 KB data flash can be rewritten while the CPU executes instructions from program memory - essential for secure firmware updates, calibration storage, or logging without system interruption. This capability is confirmed in the R01DS0131EJ0380 datasheet Section 1.1.
What is the operating temperature range certified for the R5F100GJDNA#U0?
The R5F100GJDNA#U0 is rated for industrial operation from −40°C to +105°C (G-grade), as indicated by the 'G' in its part number. This extended range is validated across all specified electrical characteristics and power modes, including 0.57 μA STOP mode with RTC and LVD active - making it suitable for sealed enclosures and high-ambient environments.
How many analog input channels does the R5F100GJDNA#U0 support, and what ADC resolution is available?
The R5F100GJDNA#U0 integrates a 10-bit successive-approximation ADC with up to 26 analog input channels (ANI0–ANI25), configurable via port P2 and P3 pins. It includes an internal 1.45 V reference voltage and on-chip temperature sensor - both usable only in HS mode - enabling accurate, self-calibrated measurements without external references.
Is the R5F100GJDNA#U0 pin-compatible with other RL78/G13 variants in the same package?
Yes, the R5F100GJDNA#U0 shares identical pinout and electrical characteristics with all other RL78/G13 devices in the HWQFN-48 (NA) package, including R5F100GKDNA#U0 and R5F100GLDNA#U0. Pin compatibility is guaranteed within the same package type and pin count, as defined in Renesas' RL78/G13 pin configuration documentation.
R5F100GJDNA#U0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 48-WFQFN Exposed Pad
- Series:
- RL78/G13
- 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:
- 34
- Program Memory Size:
- 256KB (256K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 8K x 8
- RAM Size:
- 20K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.6V ~ 5.5V
- Data Converters:
- A/D 10x8/10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F100GJDNA#U0 FAQ
1.How can I place an order for R5F100GJDNA#U0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F100GJDNA#U0 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 R5F100GJDNA#U0 reliable?
The price and inventory of R5F100GJDNA#U0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F100GJDNA#U0 is usually 5 days.
3.What payment methods are accepted for R5F100GJDNA#U0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F100GJDNA#U0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F100GJDNA#U0?
R5F100GJDNA#U0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F100GJDNA#U0 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 R5F100GJDNA#U0?
For technical support, including R5F100GJDNA#U0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F100GJDNA#U0 requirements.
6.How does Aetrix verify that R5F100GJDNA#U0 is sourced from the original manufacturer or authorized distributors?
All R5F100GJDNA#U0 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 R5F100GJDNA#U0 meets industry standards.
7.What is the process for return or replacement of R5F100GJDNA#U0?
All R5F100GJDNA#U0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F100GJDNA#U0, 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 R5F100GJDNA#U0 part is unused and in its original packaging.
Return procedure for R5F100GJDNA#U0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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