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Renesas R5F10267ASP#V5
- Part No.:
- R5F10267ASP#V5
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 20-LSSOP (0.173", 4.40mm Width)
- Datasheet:
-
R5F10267ASP#V5.pdf
- Description:
- IC MCU 16BIT 4KB FLASH 20LSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:2,007
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Product details
Overview
R5F10267ASP#V5 from Renesas Electronics is a 20-pin LSSOP ultra-low-power 16-bit RL78/G12 microcontroller with 4 KB code flash, 2 KB data flash, 256 B RAM, and 18 I/O pins. It operates from 1.8 V to 5.5 V, delivers 31 DMIPS at 24 MHz, and supports HALT/STOP/SNOOZE low-power modes for battery-powered sensor nodes and industrial control interfaces.
For engineers reviewing the R5F10267ASP#V5 datasheet, R5F10267ASP#V5 pinout, R5F10267ASP#V5 application, or R5F10267ASP#V5 equivalent, key selection criteria include its 2 KB on-chip data flash with 1M rewrite cycles, 10-bit 11-channel ADC with internal 1.45 V reference, dual CSI/I²C serial interfaces, and integrated CRC engine - all in a compact 4.4 × 6.5 mm LSSOP-20 package.
Technical Context
The R5F10267ASP#V5 implements the RL78 CPU core with 3-stage pipeline CISC architecture, 1 MB address space, and configurable instruction execution time (0.04167 µs @ 24 MHz). Its power management includes on-chip POR, 12-level LVD, and dedicated low-speed oscillator for watchdog operation.
Peripheral integration includes TAU0 16-bit timer (4 channels), window watchdog timer, 12-bit interval timer, SAU0 serial array unit supporting UART0, CSI00/CSI01, and IIC00/IIC01, plus DMA controller with 2 channels - all enabled by the 2 KB data flash for background operation during firmware updates.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | RL78 16-bit CISC with 3-stage pipeline, 1 MB address space |
| Flash Memory | 4 KB code flash + 2 KB data flash; enables self-programming and BGO for firmware updates without halting execution |
| RAM Size | 256 B internal RAM; sufficient for real-time sensor buffering and interrupt service routines in compact embedded systems |
| Operating Voltage | 1.8 V to 5.5 V single supply; supports direct interface with 1.8 V, 2.5 V, and 3.3 V peripherals without level shifters |
| ADC Resolution | 10-bit A/D converter with 11 input channels and internal 1.45 V reference; eliminates need for external voltage reference in analog sensing |
| Serial Interfaces | UART0 (1 channel), CSI00/CSI01 (2 simplified SPI), IIC00/IIC01 (2 simplified I²C); provides flexible multi-protocol connectivity to sensors and displays |
| Low-Power Modes | HALT, STOP, SNOOZE modes with 63 μA/MHz active current; extends battery life in portable medical and IoT edge devices |
Pinout & Package
Package: 20-pin plastic LSSOP (4.4 × 6.5 mm, 0.65-mm pitch), RoHS-compliant, tube packaging (#V5).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P10/ANI16/PCLBUZ0/SCK00/SCL00 | Port 1 bit 0 / Analog Input 16 / Programmable Clock Output / SPI Clock / I²C Clock | Multi-function pin enabling buzzer tone generation, synchronous serial communication, or precision timing output without external components |
| P11/ANI17/SI00/RxD0/SDA00/TOOLRxD | Port 1 bit 1 / Analog Input 17 / SPI Data In / UART Receive / I²C Data / Debug RX | Shared serial receive path for UART, I²C, and SPI simplifies PCB routing and supports in-circuit debugging via TOOL interface |
| P12/ANI18/SO00/TxD0/TOOLTxD | Port 1 bit 2 / Analog Input 18 / SPI Data Out / UART Transmit / I²C Data / Debug TX | Unified transmit path reduces pin count while maintaining full protocol flexibility and debug visibility |
| P13/ANI19/TI00/TO00/INTP2 | Port 1 bit 3 / Analog Input 19 / Timer Input 0 / Timer Output 0 / Interrupt Pin 2 | Hardware timer capture/compare capability with interrupt support enables precise pulse-width measurement and motor control timing |
| P14/ANI20/TI01/TO01/INTP3 | Port 1 bit 4 / Analog Input 20 / Timer Input 1 / Timer Output 1 / Interrupt Pin 3 | Dual timer I/O with interrupt allows independent PWM generation and event-triggered sampling in sensor acquisition systems |
| P20/ANI0/AVREFP | Port 2 bit 0 / Analog Input 0 / Positive Analog Reference | Provides dedicated AVREFP input for high-accuracy ADC measurements, decoupled from digital supply noise |
| P21/ANI1/AVREFM | Port 2 bit 1 / Analog Input 1 / Negative Analog Reference | Completes differential reference pair for ratiometric sensor readings and improves noise immunity in noisy industrial environments |
| P22/ANI2 | Port 2 bit 2 / Analog Input 2 | General-purpose analog input supporting temperature sensor or voltage monitoring with internal 1.45 V reference |
| P23/ANI3 | Port 2 bit 3 / Analog Input 3 | Additional analog channel for multi-sensor systems such as environmental monitors or power supply telemetry |
| P40/KR0/TOOL0 | Port 4 bit 0 / Key Return 0 / Debug Interface | Enables hardware key scanning and provides dedicated debug I/O for programming and runtime diagnostics |
| P41/ANI22/SO01/SDA01/TI02/TO02/INTP1 | Port 4 bit 1 / Analog Input 22 / SPI Data Out / I²C Data / Timer Input 2 / Timer Output 2 / Interrupt Pin 1 | Highly multiplexed pin supporting analog sensing, serial communication, and timer functions - ideal for space-constrained designs |
| P42/ANI21/SCK01/SCL01/TI03/TO03 | Port 4 bit 2 / Analog Input 21 / SPI Clock / I²C Clock / Timer Input 3 / Timer Output 3 | Combines clock generation, analog input, and timer I/O to reduce external component count in mixed-signal applications |
| P60/KR4/SCLA0/(TxD0) | Port 6 bit 0 / Key Return 4 / I²C Clock / UART Transmit (remappable) | N-ch open-drain I/O with 6 V tolerance enables direct connection to 5 V I²C buses and legacy UART peripherals |
| P61/KR5/SDAA0/(RxD0) | Port 6 bit 1 / Key Return 5 / I²C Data / UART Receive (remappable) | Complements P60 for robust I²C bus implementation and supports remapped UART for flexible board layout |
| P121/KR3/X1/(TI03)/(INTP3) | Port 12 bit 1 / Key Return 3 / Crystal Oscillator Input / Timer Input 3 / Interrupt Pin 3 | Primary crystal oscillator input with key return and timer functionality - critical for accurate timing in metering and control applications |
| P122/KR2/X2/EXCLK/(TI02)/(INTP2) | Port 12 bit 2 / Key Return 2 / Crystal Oscillator Output / External Clock Input / Timer Input 2 / Interrupt Pin 2 | Crystal output or external clock input option supports both precision crystal-based timing and synchronization to system clocks |
| P125/KR1/SI01/RESET | Port 12 bit 5 / Key Return 1 / SPI Data In / Reset Input | Active-low reset pin with key return function enables hardware reset and keyboard matrix scanning on same signal |
| P137/INTP0 | Port 13 bit 7 / Interrupt Pin 0 | Dedicated external interrupt input for fast response to safety-critical events like overcurrent or emergency stop signals |
| VDD | Power Supply | Single 1.8–5.5 V supply powers entire device; no separate analog/digital rails required |
| VSS | Ground | Common ground reference for analog and digital domains; requires low-impedance connection for ADC accuracy |
Key Features
| Feature | Design Value |
|---|---|
| True low-power platform | 63 μA/MHz active current enables >10-year battery life in coin-cell-powered wireless sensors |
| On-chip data flash | 2 KB with 1,000,000 write/erase cycles and background operation allows field firmware updates without application interruption |
| CRC calculation engine | Hardware-accelerated CRC-16/32 reduces CPU load during firmware validation and communication checksumming |
| Peripheral I/O redirection | PIOR register enables dynamic remapping of serial and timer functions to alternate pins, improving PCB layout flexibility |
| Temperature sensor | Integrated die-temperature sensor with ±2°C accuracy supports thermal monitoring and compensation in motor drives and power supplies |
| Key interrupt function | Hardware scan of up to 10-key matrix with wake-up-from-STOP capability minimizes power consumption in HMI applications |
Applications
| Smart Home Sensor Node | Industrial Motor Controller |
|---|---|
Use Scenario: Battery-powered occupancy, temperature, and humidity monitor with BLE gateway interface. IC Role / Device Role / Timing Role: Main system controller managing sensor acquisition, low-power scheduling, and serial communication to wireless module. Use Value: 63 μA/MHz active current and SNOOZE mode extend CR2032 battery life beyond 5 years; 10-bit 11-channel ADC reads multiple analog sensors simultaneously. | Use Scenario: Compact 3-phase BLDC motor driver with hall-effect feedback and thermal protection. IC Role / Device Role / Timing Role: Real-time motion controller executing commutation logic, PWM generation, and fault detection. Use Value: TAU0 16-bit timer with 4 channels generates synchronized 3-phase PWM; integrated temperature sensor enables over-temperature shutdown without external IC. |
| Medical Wearable Device | Energy Metering Module |
Use Scenario: ECG/PPG patch with analog front-end, motion sensing, and Bluetooth LE transmission. IC Role / Device Role / Timing Role: Signal processor acquiring analog biopotentials, filtering data, and managing secure wireless transmission. Use Value: 1.45 V internal ADC reference ensures stable measurement accuracy across battery voltage range; 2 KB data flash stores calibration coefficients and patient history. | Use Scenario: DIN-rail mounted electricity meter with current/voltage sensing, tariff calculation, and RS-485 communication. IC Role / Device Role / Timing Role: Metrology co-processor handling ADC sampling, RMS calculation, and tamper detection logic. Use Value: Hardware CRC engine validates firmware integrity against metering standards; 12-level LVD detects brown-out conditions to prevent erroneous energy accumulation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F10268ASP#V5 | 8 KB code flash, 512 B RAM, same 20-pin LSSOP package and peripheral set | Requires larger firmware image size and more RAM for complex protocols or GUI stacks | Select when firmware exceeds 4 KB or requires additional buffer memory for communication stacks |
| R5F10367ASP#V5 | No data flash, reduced oscillator accuracy (±5%), no DMA or CRC, same 4 KB flash and 256 B RAM | Lacks background data logging and hardware checksum acceleration needed for secure firmware updates | Select only for cost-sensitive, non-updatable applications where data retention and security are not required |
Compared with R5F10268ASP#V5, the R5F10267ASP#V5 offers lower memory footprint and reduced BOM cost for simple sensor nodes; compared with R5F10367ASP#V5, it provides essential data flash and CRC for field-upgradable, safety-certifiable designs.
Availability
R5F10267ASP#V5 is available at Aetrix Electronics and suitable for smart home sensor nodes, industrial motor controllers, medical wearables, and energy metering modules requiring stable component supply and long-term industrial availability.
Supply support for R5F10267ASP#V5 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 Corporation is a global semiconductor leader delivering trusted embedded solutions for automotive, industrial, infrastructure, and IoT applications.
The RL78/G12 product line targets cost-sensitive, ultra-low-power general-purpose applications - emphasizing energy efficiency, integrated analog peripherals, and rapid development for consumer and industrial control systems.
FAQ
What is the maximum operating frequency and corresponding DMIPS performance of the R5F10267ASP#V5?
The R5F10267ASP#V5 achieves a maximum operating frequency of 24 MHz using its high-speed on-chip oscillator, delivering 31 DMIPS of processing performance. This is measured under HS mode with VDD = 2.7–5.5 V and reflects real-world throughput for mixed CISC instruction workloads including arithmetic, bit manipulation, and memory access - validated in Renesas' R01DS0193EJ0250 datasheet Rev.2.50.
Does the R5F10267ASP#V5 support background operation during data flash rewriting?
Yes, the R5F10267ASP#V5 supports background operation (BGO) during data flash rewriting, allowing the CPU to execute instructions from program memory while the 2 KB data flash is being updated. This capability is confirmed in the RL78/G12 datasheet section 1.1 Features and enables seamless firmware parameter updates without application interruption - a key requirement for remote IoT devices.
What are the absolute maximum ratings for analog input voltage on the R5F10267ASP#V5?
The R5F10267ASP#V5 specifies an absolute maximum analog input voltage of –0.3 V to VDD + 0.3 V, and additionally –0.3 V to AVREF(+) + 0.3 V for A/D conversion target pins. These limits apply to ANI0–ANI3 and ANI16–ANI22 on the 20-pin variant, as defined in Section 2.1 Absolute Maximum Ratings of the R01DS0193EJ0250 datasheet.
How many serial communication interfaces does the R5F10267ASP#V5 include, and what types are supported?
The R5F10267ASP#V5 includes UART0 (1 channel), CSI00 and CSI01 (2 simplified SPI channels), and IIC00 and IIC01 (2 simplified I²C channels) - totaling five serial interfaces. All are implemented via the SAU0 serial array unit and support remappable pin assignments through the PIOR register, as detailed in Section 1.7 Outline of Functions of the RL78/G12 datasheet.
Is the R5F10267ASP#V5 qualified for industrial temperature range operation?
Yes, the R5F10267ASP#V5 is qualified for industrial temperature range operation from –40°C to +85°C, indicated by the "A" suffix in its part number per Figure 1-1 of the datasheet. It meets this specification with guaranteed electrical performance, including oscillator accuracy (±1.0% at TA = –20 to +85°C) and flash endurance, making it suitable for factory automation and building control systems.
R5F10267ASP#V5 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 20-LSSOP (0.173", 4.40mm Width)
- Series:
- RL78/G12
- Packaging:
- Tray
- Product Status:
- Obsolete
- 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 ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F10267ASP#V5 FAQ
1.How can I place an order for R5F10267ASP#V5 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F10267ASP#V5 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 R5F10267ASP#V5 reliable?
The price and inventory of R5F10267ASP#V5 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F10267ASP#V5 is usually 5 days.
3.What payment methods are accepted for R5F10267ASP#V5?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F10267ASP#V5 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F10267ASP#V5?
R5F10267ASP#V5 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F10267ASP#V5 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 R5F10267ASP#V5?
For technical support, including R5F10267ASP#V5 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F10267ASP#V5 requirements.
6.How does Aetrix verify that R5F10267ASP#V5 is sourced from the original manufacturer or authorized distributors?
All R5F10267ASP#V5 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 R5F10267ASP#V5 meets industry standards.
7.What is the process for return or replacement of R5F10267ASP#V5?
All R5F10267ASP#V5 units undergo pre-shipment inspection (PSI). If there is an issue with R5F10267ASP#V5, 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 R5F10267ASP#V5 part is unused and in its original packaging.
Return procedure for R5F10267ASP#V5:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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