Renesas R5F10267GSP#X5
- Part No.:
- R5F10267GSP#X5
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 20-LSSOP (0.173", 4.40mm Width)
- Datasheet:
-
R5F10267GSP#X5.pdf
- Description:
- IC MCU 16BIT 4KB FLASH 20LSSOP
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
R5F10267GSP#X5 from Renesas is a 20-pin LSSOP ultra-low-power 16-bit RL78/G12 MCU with 4 KB code flash, 2 KB data flash, 256 B RAM, and industrial-grade operation up to +105°C - used in battery-powered sensor nodes, smart meters, and embedded control where flash self-programming and background data rewriting are required.
For engineers reviewing the R5F10267GSP#X5 datasheet, R5F10267GSP#X5 pinout, R5F10267GSP#X5 application, or R5F10267GSP#X5 equivalent, key selection criteria include its 2-channel DMA support, 2 KB on-chip data flash with 1M rewrite cycles, 10-bit 11-channel ADC, and integrated CRC/ROM guard for functional safety compliance in industrial edge devices.
Technical Context
The R5F10267GSP#X5 implements the RL78 CPU core with 3-stage pipeline CISC architecture, 1 MB address space, and selectable high-speed (24 MHz) or ultra-low-speed (1 MHz) instruction execution. It integrates a 15 kHz low-speed on-chip oscillator for watchdog and interval timing, plus a high-accuracy ±1.0% (–20 to +85°C) 1–24 MHz high-speed on-chip oscillator.
Its peripheral set includes UART0, CSI00/CSI01 (Simplified SPI), IIC00/IIC01 (Simplified I²C), TAU0 4-channel 16-bit timer with PWM output capability, 10-bit 11-channel ADC with internal reference and temperature sensor, and dedicated hardware for CRC calculation and memory protection (RAM/SFR guard).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | RL78 16-bit CISC with 3-stage pipeline, 1 MB address space, 0.04167 µs min instruction time @24 MHz |
| Memory | 4 KB code flash (1 KB block), 2 KB data flash (BGO enabled, 1M rewrites), 256 B RAM |
| Operating Voltage & Temp | 1.8–5.5 V supply; –40°C to +105°C ambient (G-grade industrial) |
| ADC | 10-bit resolution, 11 input channels, internal 1.45 V reference, integrated temperature sensor |
| Timers & PWM | TAU0 4-channel 16-bit timer with programmable PWM outputs (3 configurable), 12-bit interval timer, window watchdog |
| Serial Interfaces | UART0 (1 ch), CSI00/CSI01 (2 ch Simplified SPI), IIC00/IIC01 (2 ch Simplified I²C), IICA0 (1 ch I²C bus) |
| Power Modes | HALT (63 μA/MHz), STOP (0.52 μA), SNOOZE (low-power background data flash write) |
Pinout & Package
Package: 20-pin plastic LSSOP (4.4 × 6.5 mm, 0.65-mm pitch), RoHS-compliant, tape-and-reel (#X5).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P10/ANI16/PCLBUZ0/SCK00/SCL00 | Port 1 bit 0 / Analog Input 16 / Programmable Clock/Buzzer Output / SPI Clock / I²C Clock | Multi-function pin supporting clock generation, synchronous serial communication, or analog sensing |
| P11/ANI17/SI00/RxD0/SDA00/TOOLRxD | Port 1 bit 1 / Analog Input 17 / SPI Input / UART0 RX / I²C Data / Debug RX | Shared serial data path for SPI, UART, I²C, and on-chip debug interface |
| P12/ANI18/SO00/TxD0/TOOLTxD | Port 1 bit 2 / Analog Input 18 / SPI Output / UART0 TX / Debug TX | Full-duplex serial I/O with hardware-assisted transmit/receive and tool connectivity |
| P13/ANI19/TI00/TO00/INTP2 | Port 1 bit 3 / Analog Input 19 / Timer Input 0 / Timer Output 0 / Interrupt 2 | Configurable for edge-triggered capture, PWM output, or external interrupt sourcing |
| P14/ANI20/TI01/TO01/INTP3 | Port 1 bit 4 / Analog Input 20 / Timer Input 1 / Timer Output 1 / Interrupt 3 | Dual timer channel with independent input/output capability and interrupt vectoring |
| P20/ANI0/AVREFP | Port 2 bit 0 / Analog Input 0 / Positive Analog Reference | Primary analog reference voltage source for ADC; supports external reference bypass |
| P21/ANI1/AVREFM | Port 2 bit 1 / Analog Input 1 / Negative Analog Reference | Differential reference pair enables ratiometric or true differential ADC measurements |
| P22/ANI2 | Port 2 bit 2 / Analog Input 2 | Dedicated analog input with internal sampling capacitor and low-noise routing |
| P23/ANI3 | Port 2 bit 3 / Analog Input 3 | Additional analog input supporting simultaneous sampling with ANI0–ANI2 |
| P40/KR0/TOOL0 | Port 4 bit 0 / Key Return 0 / Debug Interface I/O | Supports capacitive touch key scanning and in-circuit debugging via SWD protocol |
| P41/ANI22/SO01/SDA01/TI02/TO02/INTP1 | Port 4 bit 1 / Analog Input 22 / SPI Output / I²C Data / Timer Input 2 / Timer Output 2 / Interrupt 1 | High-flexibility pin enabling mixed-signal timing, communication, and interrupt handling |
| P42/ANI21/SCK01/SCL01/TI03/TO03 | Port 4 bit 2 / Analog Input 21 / SPI Clock / I²C Clock / Timer Input 3 / Timer Output 3 | Second SPI/I²C interface clock with timer synchronization for precise event timing |
| P60/KR4/SCLA0/(TxD0) | Port 6 bit 0 / Key Return 4 / I²C Bus Clock / UART0 TX (remapped) | Hardware I²C master/slave clock line with optional UART remapping for pin-limited designs |
| P61/KR5/SDAA0/(RxD0) | Port 6 bit 1 / Key Return 5 / I²C Bus Data / UART0 RX (remapped) | Dedicated I²C bidirectional data line with open-drain drive and pull-up compatibility |
| P121/KR3/X1/(TI03)/(INTP3) | Port 12 bit 1 / Key Return 3 / Crystal Oscillator Input / Timer Input / Interrupt | Main system clock crystal input with internal feedback amplifier; also usable as timer input |
| P122/KR2/X2/EXCLK/(TI02)/(INTP2) | Port 12 bit 2 / Key Return 2 / Crystal Oscillator Output / External Clock In / Timer Input / Interrupt | Crystal output or external clock input; supports asynchronous clock domain crossing |
| P125/KR1/SI01/RESET | Port 12 bit 5 / Key Return 1 / SPI Input / Reset Input | Active-low hardware reset with glitch filtering; also serves as SPI data input when not in reset |
| P137/INTP0 | Port 13 bit 7 / Interrupt 0 | Dedicated external interrupt pin with configurable edge sensitivity and priority level |
| VDD | Power Supply | 1.8–5.5 V main supply; powers all digital and analog blocks including ADC and oscillators |
| VSS | Ground | Reference return for all analog and digital circuits; must be low-impedance for ADC accuracy |
Key Features
| Feature | Design Value |
|---|---|
| True Low-Power Operation | 63 μA/MHz active current; STOP mode draws only 0.52 μA - extends battery life in portable sensors |
| Data Flash with Background Operation (BGO) | 2 KB on-chip data flash supports concurrent program execution and flash rewriting - enables firmware updates without halting real-time tasks |
| Integrated Safety Functions | CRC calculation unit, RAM guard, and SFR guard - reduces software overhead for IEC 61508 SIL-2 functional safety certification |
| Flexible Serial Connectivity | UART0 + dual Simplified SPI (CSI00/CSI01) + dual Simplified I²C (IIC00/IIC01) - simplifies multi-protocol sensor hub design |
| Hardware-Accelerated Math | 16×16→32-bit multiply/divide and MAC units - accelerates motor control algorithms and digital filters |
| Temperature Sensor & Internal Reference | On-die temperature sensor + 1.45 V internal reference - eliminates external components for thermal monitoring and calibration |
Applications
| Smart Energy Metering | Industrial Sensor Node |
|---|---|
|
Use Scenario: Battery-powered electricity meter collecting voltage/current samples and communicating via RS-485 or PLC. IC Role / Device Role / Timing Role: Primary controller executing metrology firmware, managing secure data logging to data flash, and driving UART/RS-485 transceiver. Use Value: 2 KB data flash enables 10+ years of tamper-proof energy usage history; 10-bit 11-channel ADC supports simultaneous voltage, current, and temperature acquisition. |
Use Scenario: Wireless vibration/temperature node in predictive maintenance systems deployed in factory environments. IC Role / Device Role / Timing Role: Edge signal processor acquiring analog sensor data, performing FFT preprocessing, and transmitting via BLE or LoRa gateway. Use Value: HALT mode at 63 μA/MHz minimizes average power during idle; CRC engine ensures integrity of firmware OTA updates over noisy RF links. |
| Home Appliance Control | Medical Diagnostic Device |
|
Use Scenario: Microcontroller in washing machine control board managing motor drive, water level sensing, and user interface. IC Role / Device Role / Timing Role: Real-time motor timing controller using TAU0 PWM outputs, ADC for pressure/temperature feedback, and key scan for membrane buttons. Use Value: P20–P23 analog inputs with AVREFP/AVREFM enable ratiometric pressure transducer measurement; KR0–KR5 key return pins reduce GPIO count for UI. |
Use Scenario: Portable blood glucose monitor requiring accurate analog front-end and secure data storage. IC Role / Device Role / Timing Role: Precision analog acquisition controller interfacing electrochemical sensor, storing calibrated results in protected data flash, and driving LCD display. Use Value: On-chip 1.45 V reference and temperature sensor enable automatic sensor drift compensation; RAM guard prevents corruption of critical calibration parameters. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F10268GSP#X5 | 8 KB code flash, same 2 KB data flash, 512 B RAM, identical package and peripherals | Higher firmware capacity for complex protocols (e.g., Modbus TCP stack + security layer) | Select when >4 KB application code size is required; no PCB change needed |
| R5F10367GSP#X5 | No data flash, no DMA, no CRC/RAM/SFR guard, ±5% oscillator accuracy, same 4 KB flash and 256 B RAM | Limited to cost-sensitive consumer products without safety or field-upgrade requirements | Choose only if data flash, BGO, and functional safety features are unnecessary |
Compared with R5F10267GSP#X5, the R5F10268GSP#X5 offers double flash capacity for larger firmware while retaining all safety and low-power features, whereas the R5F10367GSP#X5 sacrifices data flash, DMA, and safety logic to reduce cost - making it unsuitable for industrial field-upgradable designs.
Availability
R5F10267GSP#X5 is available at Aetrix Electronics and suitable for smart metering, industrial sensor nodes, home appliance control, and portable medical diagnostics requiring stable component supply across extended temperature ranges and long product lifecycles.
Supply support for R5F10267GSP#X5 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/G12 family delivers ultra-low-power 16-bit MCUs optimized for cost-sensitive industrial and consumer applications requiring robust analog integration, secure firmware update capability, and extended temperature operation.
FAQ
What is the maximum operating temperature rating for the R5F10267GSP#X5?
The R5F10267GSP#X5 is rated for industrial operation from –40°C to +105°C (G-grade). This makes it suitable for deployment in harsh environments such as factory automation controllers, outdoor smart meters, and under-hood automotive auxiliary modules where extended thermal stability is required. Its guaranteed performance across this range includes full functionality of the 2 KB data flash, 10-bit ADC, and high-speed on-chip oscillator.
Does the R5F10267GSP#X5 support background data flash rewriting?
Yes, the R5F10267GSP#X5 supports Background Operation (BGO) for its 2 KB data flash memory. This allows the CPU to execute application code from program memory while simultaneously erasing or programming data flash sectors - essential for implementing seamless firmware updates, secure logging, or configuration persistence without interrupting real-time control loops in the R5F10267GSP#X5.
How many analog input channels does the R5F10267GSP#X5 provide?
The R5F10267GSP#X5 provides 11 analog input channels (ANI0–ANI3, ANI16–ANI22) with 10-bit resolution and an internal 1.45 V reference voltage. These channels support simultaneous sampling and are routed through dedicated low-noise analog paths - enabling precision measurements in applications like multi-sensor environmental monitoring or multi-phase motor current sensing within the R5F10267GSP#X5.
Is the R5F10267GSP#X5 pin-compatible with other RL78/G12 20-pin variants?
Yes, the R5F10267GSP#X5 shares the identical 20-pin LSSOP package (PLSP0020JB-A) and pinout with all R5F102xxGSP and R5F103xxGSP variants, including R5F10268GSP#X5 and R5F10367GSP#X5. This allows direct substitution in existing PCB layouts when upgrading flash size or downgrading to cost-optimized versions - provided peripheral configuration and firmware are adjusted accordingly for the R5F10267GSP#X5.
What safety features are integrated into the R5F10267GSP#X5?
The R5F10267GSP#X5 integrates hardware-based safety features including a CRC calculation unit, RAM guard, and SFR guard - all designed to detect memory corruption and unauthorized register access. These features reduce software verification burden and support functional safety standards such as IEC 61508 SIL-2, making the R5F10267GSP#X5 appropriate for industrial control, smart grid, and diagnostic equipment where system integrity is critical.
R5F10267GSP#X5 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 20-LSSOP (0.173", 4.40mm Width)
- Series:
- RL78/G12
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Discontinued at Digi-Key
- Programmable:
- Not Verified
- Core Processor:
- RL78
- Core Size:
- 16-Bit
- Speed:
- 24MHz
- Connectivity:
- CSI, I2C, UART/USART
- Peripherals:
- DMA, LVD, POR, PWM, WDT
- Number of I/O:
- 14
- Program Memory Size:
- 4KB (4K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 2K x 8
- RAM Size:
- 512 x 8
- Voltage - Supply (Vcc/Vdd):
- 1.8V ~ 5.5V
- Data Converters:
- A/D 11x8/10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F10267GSP#X5 FAQ
1.How can I place an order for R5F10267GSP#X5 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F10267GSP#X5 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 R5F10267GSP#X5 reliable?
The price and inventory of R5F10267GSP#X5 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F10267GSP#X5 is usually 5 days.
3.What payment methods are accepted for R5F10267GSP#X5?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F10267GSP#X5 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F10267GSP#X5?
R5F10267GSP#X5 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F10267GSP#X5 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 R5F10267GSP#X5?
For technical support, including R5F10267GSP#X5 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F10267GSP#X5 requirements.
6.How does Aetrix verify that R5F10267GSP#X5 is sourced from the original manufacturer or authorized distributors?
All R5F10267GSP#X5 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 R5F10267GSP#X5 meets industry standards.
7.What is the process for return or replacement of R5F10267GSP#X5?
All R5F10267GSP#X5 units undergo pre-shipment inspection (PSI). If there is an issue with R5F10267GSP#X5, 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 R5F10267GSP#X5 part is unused and in its original packaging.
Return procedure for R5F10267GSP#X5:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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