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Renesas R5F101GJANA#20
- Part No.:
- R5F101GJANA#20
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 48-WFQFN Exposed Pad
- Datasheet:
-
R5F101GJANA#20.pdf
- Description:
- IC MCU 16BIT 256KB FLASH 48HWQFN
- Quantity:
- Payment:
- Shipping:
Inventory:725
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Product details
Overview
R5F101GJANA#20 from Renesas is a 48-pin HWQFN-packaged 16-bit RL78/G13 microcontroller with 192 KB flash, 8 KB data flash, and 16 KB RAM, operating from 1.6–5.5 V at -40°C to +105°C (industrial grade G), delivering 41 DMIPS at 32 MHz for low-power embedded control in motor drives, sensor nodes, and industrial HMI.
For engineers reviewing the R5F101GJANA#20 datasheet, R5F101GJANA#20 pinout, R5F101GJANA#20 application, or R5F101GJANA#20 equivalent, key selection criteria include its 192 KB code flash with self-programming, real-time clock with calendar, 26-channel 10-bit ADC, ultra-low power HALT/STOP/SNOOZE modes, and integrated LIN-capable UART.
Technical Context
The R5F101GJANA#20 implements the RL78 CPU core with CISC architecture and 3-stage pipeline, supporting instruction execution times from 0.03125 μs (32 MHz high-speed mode) to 30.5 μs (32.768 kHz subsystem clock). It integrates a 12-bit interval timer, real-time clock with alarm/calendar, and watchdog timer with dedicated low-speed oscillator.
It features dual serial interface sets: up to 4 UART/LIN channels and up to 10 I²C/Simplified I²C channels, plus 2–8 CSI (SPI-compatible) channels. The on-chip DMA controller supports 4 channels with 2-clock transfers between SFR and RAM, enabling efficient peripheral-to-memory data movement without CPU intervention.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | RL78 16-bit CISC CPU with 3-stage pipeline and 1 MB address space |
| Max Performance | 41 DMIPS at 32 MHz - enables real-time control loops in motor and power applications |
| Memory | 192 KB code flash (1 KB blocks), 8 KB data flash (1M rewrite cycles), 16 KB RAM |
| Power Modes | HALT (66 μA/MHz), STOP (0.57 μA with RTC+LVD active), SNOOZE - extends battery life in portable systems |
| Analog Peripherals | 10-bit ADC with 26 input channels, internal 1.45 V reference, and temperature sensor |
| Timers | 16-bit timer × 16 channels, 12-bit interval timer × 1, RTC × 1 (calendar/alarm/correction) |
| Serial Interfaces | UART/LIN × 4, I²C/Simplified I²C × 10, CSI (SPI-compatible) × 8 - supports multi-protocol sensor and actuator communication |
Pinout & Package
Package: 48-pin HWQFN (7 mm × 7 mm, 0.5 mm pitch), moisture sensitivity level MSL3, lead-free and RoHS compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Dual VDD/VSS pairs ensure stable core and I/O rail operation across full 1.6–5.5 V range |
| P00–P07 | General-purpose I/O port | Configurable as N-ch open drain (6 V tolerant), TTL input, or pull-up enabled - supports mixed-voltage interfacing |
| P10/P11 | SPI clock/data (SCK00/SI00) and UART0 (RxD0/TxD0) | Shared pins enable compact SPI or UART boot/communication without external muxing |
| P20–P27 | Analog inputs (ANI0–ANI7) and AVREFP/AVREFM | ADC reference voltage inputs and 8 analog channels - allow precision sensing with internal 1.45 V reference |
| P140–P147 | Additional analog inputs (ANI16–ANI23) | Extends total analog channel count to 26 - supports multi-sensor monitoring in industrial nodes |
| RESET | Active-low reset input | Accepts external reset signal; internally tied to on-chip POR and LVD circuits for robust startup |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low power operation | 0.57 μA in STOP mode with RTC + LVD active - enables >10-year battery life in metering applications |
| Data flash background operation | BGO allows full CPU execution from program memory while rewriting data flash - eliminates interrupt latency during logging |
| On-chip debug & self-programming | Integrated debug interface and flash shield window function support secure field firmware updates without external tools |
| LIN-compliant UART | UART0/1/2/3 support LIN 2.2 physical layer timing and frame formatting - simplifies automotive body electronics integration |
| Real-time clock with calendar | RTC maintains date/time over 99 years with alarm and auto-correction - eliminates need for external RTC IC in HMI and logging systems |
Applications
| Motor Control | Industrial Sensor Node |
|---|---|
Use Scenario: Brushless DC motor commutation and current sensing in HVAC blowers and pumps. IC Role / Device Role / Timing Role: Real-time PWM generation, ADC sampling of phase currents, and closed-loop PID execution at ≤100 μs intervals. Use Value: 16-bit timers with dead-time insertion and 26-channel ADC enable precise 3-shunt FOC control without external gate drivers or ADCs. |
Use Scenario: Wireless environmental sensor hub collecting temperature, humidity, and CO₂ via I²C and analog sensors. IC Role / Device Role / Timing Role: Sensor polling, data preprocessing, low-power sleep management, and UART/LIN transmission to gateway. Use Value: STOP mode current of 0.57 μA and BGO data flash allow years of operation on coin-cell batteries while maintaining event logs. |
| Smart Home HMI | Industrial PLC I/O Module |
Use Scenario: Touch-enabled wall thermostat with display driver, button scan, and local temperature regulation. IC Role / Device Role / Timing Role: Capacitive touch sensing, RTC-based scheduling, buzzer output control, and 10-bit ADC for ambient sensing. Use Value: On-chip key interrupt, clock output/buzzer controller, and 1.45 V internal reference reduce BOM by eliminating 3 external components. |
Use Scenario: DIN-rail mounted digital input module monitoring 16 dry-contact sensors in factory automation. IC Role / Device Role / Timing Role: High-voltage opto-isolated input conditioning, debounce logic, status reporting via LIN bus, and watchdog supervision. Use Value: N-ch open-drain I/O with 6 V tolerance and programmable pull-ups simplify direct connection to 24 V industrial signals without level shifters. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F101GJANA#30 | Same die, identical specs, but supplied in embossed tape (not tray); same 48-pin HWQFN package | No functional difference - intended for automated SMT placement vs. manual/hand-solder prototyping | Select #30 for high-volume production lines requiring tape-and-reel feed; #20 is optimal for small-batch assembly and evaluation |
| R5F101GKANA#20 | Same package and temperature grade, but 256 KB flash, 8 KB data flash, 20 KB RAM - larger memory footprint | Required when firmware exceeds 192 KB or additional data logging buffer is needed beyond 8 KB | Choose R5F101GKANA#20 only if code size or runtime data storage demands exceed R5F101GJANA#20 capacity |
Compared with R5F101GJANA#20, the #30 variant offers identical electrical and thermal performance in tape format for production scalability, while the R5F101GKANA#20 provides 64 KB more flash and 4 KB more RAM - enabling larger RTOS deployments or extended firmware feature sets without changing PCB layout.
Availability
R5F101GJANA#20 is available at Aetrix Electronics and suitable for industrial motor control, smart sensor nodes, and HMI applications requiring stable component supply, long-term lifecycle support, and guaranteed traceability.
Supply support for R5F101GJANA#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 automotive, industrial, and IoT markets.
The RL78/G13 family is designed for cost-sensitive, ultra-low-power general-purpose embedded applications - balancing performance, energy efficiency, and integration for industrial controls, home appliances, and sensor edge devices.
FAQ
What is the maximum operating frequency and corresponding DMIPS rating for the R5F101GJANA#20?
The R5F101GJANA#20 operates at up to 32 MHz with a measured performance of 41 DMIPS. This benchmark reflects its RL78 CPU core's 3-stage pipeline efficiency and is validated under standard test conditions per Renesas documentation. The R5F101GJANA#20 achieves this performance while maintaining ultra-low power consumption - 66 μA per MHz in HALT mode - making it suitable for real-time control tasks in resource-constrained environments.
Does the R5F101GJANA#20 include an integrated real-time clock (RTC) with calendar functionality?
Yes, the R5F101GJANA#20 includes a fully featured RTC with calendar support for years, months, days, hours, minutes, and seconds - accurate over a 99-year span. It provides alarm interrupt capability and automatic clock correction to compensate for crystal drift. This RTC operates independently in STOP mode with only 0.57 μA current draw when powered with RTC and LVD enabled, eliminating the need for external timekeeping ICs in battery-backed applications.
How many analog input channels does the R5F101GJANA#20 support, and what is the ADC resolution?
The R5F101GJANA#20 supports up to 26 analog input channels with a 10-bit successive-approximation ADC. Channels ANI0–ANI7 map to P20–P27, and ANI16–ANI23 map to P140–P147. The ADC includes an internal 1.45 V reference voltage and supports temperature sensor readout. Conversion time is programmable down to 1.2 μs per sample, enabling high-speed acquisition for motor current sensing and sensor fusion.
Is the R5F101GJANA#20 pin-compatible with other RL78/G13 variants in the same package?
Yes, the R5F101GJANA#20 is pin-compatible with all other 48-pin HWQFN RL78/G13 devices, including R5F101GAANA#20 through R5F101GLANA#20. Pin functions, power domains, and peripheral mappings are consistent across this package group. This allows hardware reuse across memory variants - for example, upgrading from 128 KB to 192 KB flash requires only firmware and programming changes, not PCB redesign.
What debug and programming interfaces are supported by the R5F101GJANA#20?
The R5F101GJANA#20 supports on-chip debugging via the single-wire SWD interface using the Renesas E2 emulator or compatible tools. It includes full self-programming capability with boot swap and flash shield window functions for secure firmware updates. No external debug header is required - debug signals share pins with standard GPIO (e.g., P00/P01), minimizing board space and BOM cost while enabling field-upgradable firmware.
R5F101GJANA#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:
- 256KB (256K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- 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:
R5F101GJANA#20 FAQ
1.How can I place an order for R5F101GJANA#20 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F101GJANA#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 R5F101GJANA#20 reliable?
The price and inventory of R5F101GJANA#20 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F101GJANA#20 is usually 5 days.
3.What payment methods are accepted for R5F101GJANA#20?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F101GJANA#20 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F101GJANA#20?
R5F101GJANA#20 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F101GJANA#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 R5F101GJANA#20?
For technical support, including R5F101GJANA#20 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F101GJANA#20 requirements.
6.How does Aetrix verify that R5F101GJANA#20 is sourced from the original manufacturer or authorized distributors?
All R5F101GJANA#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 R5F101GJANA#20 meets industry standards.
7.What is the process for return or replacement of R5F101GJANA#20?
All R5F101GJANA#20 units undergo pre-shipment inspection (PSI). If there is an issue with R5F101GJANA#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 R5F101GJANA#20 part is unused and in its original packaging.
Return procedure for R5F101GJANA#20:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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