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Renesas R5F101GKDNA#20
- Part No.:
- R5F101GKDNA#20
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 48-WFQFN Exposed Pad
- Datasheet:
-
R5F101GKDNA#20.pdf
- Description:
- IC MCU 16BIT 384KB FLASH 48HWQFN
- Quantity:
- Payment:
- Shipping:
Inventory:550
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Product details
Overview
R5F101GKDNA#20 from Renesas is a 48-pin HWQFN-packaged RL78/G13 16-bit microcontroller with 256 KB flash, 8 KB data flash, and 20 KB RAM, operating from 1.6–5.5 V at -40°C to +85°C (Industrial D-grade), delivering 41 DMIPS at 32 MHz for low-power embedded control in sensor nodes, motor drives, and industrial HMI.
For engineers reviewing the R5F101GKDNA#20 datasheet, R5F101GKDNA#20 pinout, R5F101GKDNA#20 application, or R5F101GKDNA#20 equivalent, key selection considerations include its 48-pin HWQFN-0.5mm package, absence of on-chip data flash (R5F101x series), real-time clock with calendar support, 10-bit 26-channel ADC, and integrated LIN-capable UART for automotive body electronics and smart appliances.
Technical Context
The R5F101GKDNA#20 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). It integrates a 12-bit interval timer, RTC with alarm/calendar, watchdog timer, and DMA controller with up to 4 channels.
Its peripheral set includes up to 16× 16-bit timers, 3–10 I²C/Simplified I²C channels, 2–4 UART/LIN interfaces, 2–8 CSI (SPI-compatible) channels, and an 8/10-bit ADC with internal 1.45 V reference and temperature sensor - all optimized for deterministic real-time operation under variable supply and temperature conditions.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | RL78 16-bit CISC CPU with 3-stage pipeline, 41 DMIPS @ 32 MHz |
| Flash Memory | 256 KB code flash (block size 1 KB); no on-chip data flash (R5F101x series) |
| RAM | 20 KB on-chip RAM for program/data storage and flash library operation |
| Supply Voltage | 1.6 V to 5.5 V single supply; supports battery-powered and wide-input industrial rails |
| Operating Temp | -40°C to +85°C (Industrial D-grade); qualified for extended ambient stability |
| ADC | 10-bit resolution, 26 analog input channels, internal 1.45 V reference, integrated temperature sensor |
| Low-Power Modes | HALT (66 μA/MHz), STOP (0.57 μA with RTC+LVD active), SNOOZE for background ADC/DMA |
Pinout & Package
Package: 48-pin HWQFN (7 × 7 mm, 0.5-mm pitch), moisture-sensitive level 3, RoHS-compliant, thermal pad exposed on bottom for enhanced heat dissipation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Dual VDD/VSS pairs ensure stable core/peripheral rail decoupling; thermal pad connects to PCB ground plane |
| P00–P07 | General-purpose I/O port | Configurable as N-ch open-drain (6 V tolerant), TTL input, or pull-up; supports 1.8/2.5/3.0 V interface |
| P10–P17 | Multi-function port | Supports SCK00/SCL00, SI00/RxD0/TOOLRxD/SDA00, SO00/TxD0/TOOLTxD, etc.; enables SPI/I²C/UART sharing |
| P20–P27 | Analog input port | ANI0–ANI7 with AVREFP/AVREFM references; enables simultaneous multi-channel sampling with internal temp sensor |
| RESET | Active-low reset input | Accepts external reset signal; internally tied to on-chip POR and LVD circuits for robust power sequencing |
| CLKP/CLKM | Crystal oscillator inputs | Supports 32.768 kHz crystal for RTC; high-accuracy subsystem clock source independent of main oscillator |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low power HALT/STOP modes | 66 μA/MHz active current; 0.57 μA retention in STOP with RTC + LVD enabled - extends battery life in metering |
| Self-programmable flash | Boot swap and flash shield window functions enable secure firmware updates without external programmer |
| LIN-compliant UART | Hardware LIN bus support (ISO 17987) on UART channels simplifies automotive body control module integration |
| Background ADC operation | 10-bit ADC runs during SNOOZE mode while CPU sleeps - enables periodic sensor polling with minimal wake-up latency |
| On-chip BCD correction | Hardware-accelerated binary-to-BCD conversion reduces firmware overhead in display-driven HMI applications |
| Real-time clock with calendar | RTC maintains time/date for 99 years with alarm, clock correction, and battery-backed operation - ideal for data loggers |
Applications
| Smart Thermostats | Industrial Motor Drives |
|---|---|
|
Use Scenario: Programmable HVAC controller with temperature/humidity sensing, display, and relay actuation. IC Role / Device Role / Timing Role: Main system MCU managing sensor acquisition, PID loop execution, user interface, and LIN communication to zone actuators. Use Value: 26-channel ADC supports multi-sensor fusion; RTC enables scheduling; low-power STOP mode extends battery backup runtime. |
Use Scenario: Compact BLDC motor control in pumps, fans, and compressors with overcurrent/temperature protection. IC Role / Device Role / Timing Role: Real-time motor commutation controller using PWM timers, ADC for current sensing, and GPIO for fault monitoring. Use Value: 16× 16-bit timers provide precise phase timing; 10-bit ADC resolves current ripple; HALT mode reduces idle power in standby. |
| Energy Meters | Smart Appliance Control Panels |
|
Use Scenario: DIN-rail mounted electricity meter with pulse counting, tamper detection, and RS-485 communication. IC Role / Device Role / Timing Role: System-on-chip managing metrology interface, EEPROM logging, RTC timestamping, and isolated comms. Use Value: 20 KB RAM buffers measurement data; 256 KB flash stores firmware + calibration tables; STOP mode preserves RTC during power loss. |
Use Scenario: Touchless UI and appliance logic for washing machines, ovens, and refrigerators with LED indicators and buzzer feedback. IC Role / Device Role / Timing Role: Central control unit handling key scan, display driver timing, buzzer output, and safety interlock monitoring. Use Value: On-chip buzzer output controller eliminates external driver; key interrupt function enables low-power wake-on-press; BCD correction accelerates display updates. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F100GKDNA#20 | Includes 4 KB data flash; same 256 KB code flash, 20 KB RAM, and identical pinout/package | Preferred where field firmware updates or parameter storage require dedicated data flash memory | Select when non-volatile parameter retention between resets is required without emulating data flash in code flash |
| R5F101GKAFB#30 | Same core/peripherals but in 48-pin LFQFP (7 × 7 mm, 0.5-mm pitch); different thermal and mechanical footprint | Suitable for legacy board designs using QFP or where reflow compatibility with larger pads is needed | Choose for manual assembly, prototyping, or compatibility with existing LFQFP-based layouts - not drop-in replacement |
Compared with R5F100GKDNA#20, the R5F101GKDNA#20 omits data flash to reduce cost and simplify firmware design for fixed-parameter systems; versus R5F101GKAFB#30, it offers superior thermal performance and smaller PCB area via HWQFN, but requires fine-pitch reflow process control.
Availability
R5F101GKDNA#20 is available at Aetrix Electronics and suitable for industrial motor control, smart energy metering, HVAC thermostats, and appliance HMI requiring stable component supply across long production lifecycles.
Supply support for R5F101GKDNA#20 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/G13 product line delivers ultra-low-power 16-bit MCUs targeting cost-sensitive, battery-operated, and industrial embedded applications requiring high reliability and rich peripheral integration.
FAQ
What is the flash memory configuration of the R5F101GKDNA#20?
The R5F101GKDNA#20 contains 256 KB of on-chip code flash memory with 1 KB block size and no integrated data flash - consistent with the R5F101x series designation. This configuration prioritizes code density and cost efficiency for applications where parameters are stored in external EEPROM or emulated in flash sectors. The R5F101GKDNA#20 supports self-programming with boot swap and flash shield window functions.
Does the R5F101GKDNA#20 support LIN bus communication?
Yes, the R5F101GKDNA#20 supports LIN bus communication via its UART peripherals, which include hardware LIN-mode functionality compliant with ISO 17987. Two to four UART channels are available depending on pin configuration, enabling direct connection to LIN transceivers for automotive body electronics or industrial sub-networks without external protocol translation.
What package type and pin count does the R5F101GKDNA#20 use?
The R5F101GKDNA#20 uses a 48-pin HWQFN package (7 × 7 mm, 0.5-mm pitch) with an exposed thermal pad. This compact, thermally efficient package is moisture-sensitive level 3 and RoHS-compliant. Pin compatibility is maintained across all R5F101GKx variants in the same package family, including R5F101GKANA, R5F101GKDNA, and R5F101GKAFB - though QFP and HWQFN are not mechanically interchangeable.
What is the operating temperature range for the R5F101GKDNA#20?
The R5F101GKDNA#20 is rated for industrial operation from -40°C to +85°C (D-grade), as indicated by the "D" in its part number suffix. It is not rated for the extended +105°C range (G-grade) or consumer-grade +85°C with reduced qualification. This makes it suitable for factory automation, building controls, and outdoor-rated equipment where ambient stability is critical.
How does the R5F101GKDNA#20 handle analog-to-digital conversion?
The R5F101GKDNA#20 integrates a 10-bit successive-approximation ADC with up to 26 input channels, internal 1.45 V reference voltage, and an on-chip temperature sensor. Conversion can occur in background during SNOOZE mode, and the ADC supports programmable sample-and-hold timing, scan sequences, and interrupt generation per channel - enabling precise sensor monitoring in low-power systems.
R5F101GKDNA#20 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 48-WFQFN Exposed Pad
- Series:
- RL78/G13
- Packaging:
- Tray
- Product Status:
- Last Time Buy
- 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:
- 384KB (384K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 24K 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:
R5F101GKDNA#20 FAQ
1.How can I place an order for R5F101GKDNA#20 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F101GKDNA#20 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 R5F101GKDNA#20 reliable?
The price and inventory of R5F101GKDNA#20 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F101GKDNA#20 is usually 5 days.
3.What payment methods are accepted for R5F101GKDNA#20?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F101GKDNA#20 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F101GKDNA#20?
R5F101GKDNA#20 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F101GKDNA#20 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 R5F101GKDNA#20?
For technical support, including R5F101GKDNA#20 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F101GKDNA#20 requirements.
6.How does Aetrix verify that R5F101GKDNA#20 is sourced from the original manufacturer or authorized distributors?
All R5F101GKDNA#20 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 R5F101GKDNA#20 meets industry standards.
7.What is the process for return or replacement of R5F101GKDNA#20?
All R5F101GKDNA#20 units undergo pre-shipment inspection (PSI). If there is an issue with R5F101GKDNA#20, 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 R5F101GKDNA#20 part is unused and in its original packaging.
Return procedure for R5F101GKDNA#20:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
R5F101GKDNA#20 Tags
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