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Renesas R5F10269GSM#55
- Part No.:
- R5F10269GSM#55
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 20-LSSOP (0.173", 4.40mm Width)
- Datasheet:
-
R5F10269GSM#55.pdf
- Description:
- IC MCU 16BIT 12KB FLASH 20LSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:4,464
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Product details
Overview
R5F10269GSM#55 from Renesas Electronics is a 20-pin RL78/G12 16-bit microcontroller with 12 KB code flash, 2 KB data flash, and 768 B RAM, operating at 1.8–5.5 V across –40°C to +105°C industrial temperature range. It integrates an ultra-low-power RL78 CPU core (31 DMIPS @ 24 MHz), 10-bit 11-channel ADC, dual CSI/I²C serial interfaces, UART, 4-channel 16-bit TAU timer, and on-chip CRC for embedded control in battery-powered and thermally demanding applications.
For engineers reviewing the R5F10269GSM#55 datasheet, R5F10269GSM#55 pinout, R5F10269GSM#55 application, or R5F10269GSM#55 equivalent, this page delivers verified technical context, package-validated pin functions, real-world use scenarios, and two confirmed alternative parts with documented functional and application-level differences.
Technical Context
The R5F10269GSM#55 implements the RL78 CISC CPU core with 3-stage pipeline and supports high-speed on-chip oscillator operation up to 24 MHz (±1.0% accuracy from –20°C to +85°C, ±2.0% at +105°C). Its memory subsystem includes 12 KB code flash (1 KB block size), 2 KB data flash with background operation (BGO) and 1M write cycles, and 768 B RAM - all accessible under single-supply 1.8–5.5 V operation.
Peripheral integration includes dual simplified SPI (CSI) channels, dual simplified I²C channels, one UART channel, 11-channel 10-bit ADC with internal reference (1.45 V) and temperature sensor, and 2-channel DMA - features exclusive to R5F102-series devices and absent in R5F103 counterparts. The device supports HALT, STOP, and SNOOZE low-power modes with 63 μA/MHz active current consumption.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | RL78 16-bit CISC with 3-stage pipeline, 31 DMIPS @ 24 MHz |
| Memory | 12 KB code flash (1 KB blocks), 2 KB data flash (BGO enabled), 768 B RAM |
| Operating Voltage | 1.8 V to 5.5 V - enables direct interface with 1.8/2.5/3.3 V logic and battery-backed systems |
| Temperature Range | –40°C to +105°C (industrial G-grade) - qualified for under-hood, motor control, and factory automation |
| ADC | 10-bit resolution, 11 input channels, internal 1.45 V reference, integrated temperature sensor |
| Serial Interfaces | 2 × CSI (SPI-compatible), 2 × simplified I²C, 1 × UART - no I²C master-only limitation |
| Power Efficiency | 63 μA/MHz active current; HALT/STOP/SNOOZE modes reduce system-level power budget |
Pinout & Package
Package: 20-pin TSSOP (4.4 × 6.5 mm, 0.65-mm pitch), JEDEC standard PTSP0020JI-A footprint, RoHS-compliant, lead-free.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P10/ANI16/PCLBUZ0/SCK00/SCL00 | Port 1 bit 0 / Analog Input 16 / Programmable Clock/Buzzer Output / CSI00 Clock / I²C00 Clock | Multi-function pin supporting synchronous serial communication, precision timing output, or analog sensing - configurable via PIOR register |
| P11/ANI17/SI00/RxD0/SDA00/TOOLRxD | Port 1 bit 1 / Analog Input 17 / CSI00 Data In / UART0 Receive / I²C00 Data / Debug RX | Shared serial receive path for UART, I²C, and CSI - enables flexible peripheral routing without external muxing |
| P12/ANI18/SO00/TxD0/TOOLTxD | Port 1 bit 2 / Analog Input 18 / CSI00 Data Out / UART0 Transmit / Debug TX | Dual-role transmit pin for UART and CSI, plus debug interface - reduces pin count while preserving full serial capability |
| P13/ANI19/TI00/TO00/INTP2 | Port 1 bit 3 / Analog Input 19 / Timer Input 0 / Timer Output 0 / Interrupt 2 | Timer capture/compare I/O with interrupt capability - supports PWM generation, pulse measurement, and event triggering |
| P14/ANI20/TI01/TO01/INTP3 | Port 1 bit 4 / Analog Input 20 / Timer Input 1 / Timer Output 1 / Interrupt 3 | Second timer I/O pair with interrupt - enables dual-edge timing, quadrature decoding, or independent PWM outputs |
| P20/ANI0/AVREFP | Port 2 bit 0 / Analog Input 0 / ADC Positive Reference | Primary analog input with dedicated AVREFP function - ensures stable ADC reference for precision sensor interfacing |
| P21/ANI1/AVREFM | Port 2 bit 1 / Analog Input 1 / ADC Negative Reference | Paired with P20 to form differential ADC reference - supports ratiometric measurements and noise rejection |
| P22/ANI2 | Port 2 bit 2 / Analog Input 2 | Dedicated analog input with internal sampling capacitor - optimized for low-noise acquisition of resistive sensors or voltage dividers |
| P23/ANI3 | Port 2 bit 3 / Analog Input 3 | Additional analog channel with same electrical characteristics as ANI0–ANI2 - expands multi-sensor monitoring capability |
| P40/KR0/TOOL0 | Port 4 bit 0 / Key Return 0 / Debug Interface | Supports capacitive touch key scanning and in-circuit debugging - eliminates need for external debug header |
| P41/ANI22/SO01/SDA01/TI02/TO02/INTP1 | Port 4 bit 1 / Analog Input 22 / CSI01 Data Out / I²C01 Data / Timer Input 2 / Timer Output 2 / Interrupt 1 | High-density multi-function pin enabling simultaneous analog sensing, serial comms, and timer I/O - maximizes peripheral utilization per pin |
| P42/ANI21/SCK01/SCL01/TI03/TO03 | Port 4 bit 2 / Analog Input 21 / CSI01 Clock / I²C01 Clock / Timer Input 3 / Timer Output 3 | Complements P41 to form second CSI/I²C peripheral - allows concurrent dual serial bus operation with independent timing |
| P60/KR4/SCLA0/(TxD0) | Port 6 bit 0 / Key Return 4 / I²C00 Clock / UART0 Transmit (remappable) | I²C clock line with key return and optional UART TX remap - provides hardware I²C master capability without sacrificing UART flexibility |
| P61/KR5/SDAA0/(RxD0) | Port 6 bit 1 / Key Return 5 / I²C00 Data / UART0 Receive (remappable) | I²C data line with key return and optional UART RX remap - supports true open-drain I²C signaling with 6 V tolerance |
| P121/KR3/X1/(TI03)/(INTP3) | Port 12 bit 1 / Key Return 3 / Crystal Oscillator Input / Timer Input 3 (remapped) / Interrupt 3 (remapped) | Primary crystal input with key return function - enables low-cost crystal-based timing while retaining GPIO functionality |
| P122/KR2/X2/EXCLK/(TI02)/(INTP2) | Port 12 bit 2 / Key Return 2 / Crystal Oscillator Output / External Clock Input / Timer Input 2 (remapped) / Interrupt 2 (remapped) | Crystal output or external clock input - supports both crystal and external clock sources for system timing flexibility |
| P125/KR1/SI01/RESET | Port 12 bit 5 / Key Return 1 / CSI01 Data In / Reset Input | Hardware reset input with key return and serial data capability - ensures reliable reset assertion while conserving pins |
| P137/INTP0 | Port 13 bit 7 / Interrupt 0 | Dedicated external interrupt pin - supports fast wake-up from low-power modes on asynchronous events |
| VDD | Power Supply | Single 1.8–5.5 V supply - eliminates need for level shifters when interfacing with mixed-voltage peripherals |
| VSS | Ground | Reference ground for analog and digital domains - shared return path simplifies PCB layout |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power operation | 63 μA/MHz active current and multiple low-power modes (HALT/STOP/SNOOZE) enable >10-year battery life in metering and sensor nodes |
| On-chip data flash with BGO | 2 KB data flash supports background rewriting during program execution - enables real-time firmware updates and data logging without interrupting control loops |
| Dual CSI + dual simplified I²C | Four independent serial interfaces allow concurrent communication with multiple sensors, displays, and EEPROMs - no software bit-banging required |
| 11-channel 10-bit ADC with temp sensor | Integrated temperature sensor and 11 analog inputs eliminate external signal conditioning for HVAC, motor feedback, and environmental monitoring |
| CRC hardware accelerator | Dedicated CRC module offloads checksum calculation from CPU - improves firmware update integrity and communication reliability in noisy industrial environments |
| RAM guard & SFR guard | Memory protection prevents accidental overwrites of critical variables and peripheral registers - enhances system robustness in safety-critical applications |
Applications
| Smart Thermostats | Industrial Motor Controllers |
|---|---|
Use Scenario: Residential and commercial HVAC systems requiring precise temperature sensing, user interface management, and wireless connectivity coordination. IC Role / Device Role / Timing Role: Main system controller managing ADC readings from NTC thermistors, driving LCD segments via PCLBUZ0, and handling UART-based Zigbee/Thread co-processor communication. Use Value: Integrated 11-channel ADC with internal reference and temperature sensor eliminates external precision references; 12 KB flash accommodates OTA update stack and UI assets. |
Use Scenario: Brushless DC motor drives in pumps, fans, and compressors where thermal resilience and real-time current sensing are critical. IC Role / Device Role / Timing Role: Real-time motor commutation controller using TO00/TO01 PWM outputs, reading shunt voltage via ANI0–ANI3, and monitoring case temperature with on-die sensor. Use Value: –40°C to +105°C rating ensures operation near hot motors; 2-channel DMA transfers ADC samples directly to RAM without CPU load during PWM cycles. |
| Portable Medical Devices | Energy Meters |
Use Scenario: Battery-powered glucose monitors and pulse oximeters needing long runtime, analog signal fidelity, and regulatory-compliant firmware updates. IC Role / Device Role / Timing Role: Sensor hub aggregating analog signals from photodiodes and electrochemical cells, performing CRC-verified firmware updates via data flash BGO, and managing low-power sleep states. Use Value: 2 KB data flash with 1M write cycles enables secure, wear-levelled storage of calibration coefficients and usage logs; 63 μA/MHz extends battery life beyond 2 years. |
Use Scenario: DIN-rail mounted electricity meters requiring metrology-grade ADC performance, tamper detection, and secure firmware field updates. IC Role / Device Role / Timing Role: Metrology assist MCU acquiring voltage/current waveforms via 10-bit ADC, computing RMS values, and storing billing data in protected data flash with CRC validation. Use Value: Hardware CRC and RAM/SFR guards prevent corruption during EMI events; 12 KB flash hosts dual-bank bootloader for fail-safe updates. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F10268GSM#55 | 8 KB code flash, 2 KB data flash, 512 B RAM - reduced memory capacity but identical peripheral set and pinout | Suitable for cost-sensitive designs with smaller firmware footprints and fewer data logging requirements | Select when application firmware fits within 8 KB and RAM usage stays below 512 B; retains full compatibility with R5F10269GSM#55 PCB layout |
| R5F10279GNA#U5 | 24-pin HWQFN package, 12 KB flash, 2 KB data flash, 768 B RAM, same temperature grade - adds 4 GPIOs and 2 additional analog inputs (ANI4–ANI5) | Better suited for designs requiring more I/O for multi-sensor arrays or expanded HMI, with space-constrained layouts favoring QFN | Choose when additional pins or analog channels are needed; requires PCB redesign due to different package and land pattern |
Compared with R5F10268GSM#55, the R5F10269GSM#55 offers 4 KB more code flash for complex communication stacks or larger UI assets, while R5F10279GNA#U5 trades TSSOP convenience for higher I/O density and thermal performance in compact enclosures - both alternatives retain the same industrial temperature rating and data flash reliability.
Availability
R5F10269GSM#55 is available at Aetrix Electronics and suitable for smart thermostats, industrial motor controllers, portable medical devices, and energy meters requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for R5F10269GSM#55 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 markets, with over 40 years of microcontroller innovation.
The RL78/G12 product line targets cost-sensitive, ultra-low-power general-purpose applications - designed specifically for battery-operated sensors, home appliances, and industrial controls where energy efficiency, integration, and qualification for extended temperature operation are essential.
FAQ
What is the maximum operating frequency and accuracy of the on-chip oscillator for R5F10269GSM#55?
The R5F10269GSM#55 supports a high-speed on-chip oscillator up to 24 MHz with ±1.0% accuracy over –20°C to +85°C and ±2.0% over –40°C to +105°C. This specification is confirmed in the RL78/G12 datasheet Rev.2.50, Section 1.3.2, and applies specifically to R5F102-series devices like the R5F10269GSM#55 - not the R5F103 family.
Does R5F10269GSM#55 include data flash memory, and what are its key characteristics?
Yes, the R5F10269GSM#55 includes 2 KB of on-chip data flash memory with background operation (BGO), allowing program execution while rewriting. It supports 1,000,000 write cycles (typical) and operates across the full 1.8–5.5 V supply range - a feature exclusive to R5F102-series MCUs and absent in R5F103 variants.
What serial communication interfaces are available on R5F10269GSM#55, and how do they differ from R5F103-series parts?
The R5F10269GSM#55 provides 2 CSI channels, 2 simplified I²C channels, and 1 UART channel - all confirmed in Section 1.7 of the datasheet. In contrast, R5F103-series parts offer only 1 CSI, 0 simplified I²C, and 1 UART. This enhanced serial integration makes the R5F10269GSM#55 ideal for multi-peripheral systems without external bus expanders.
What is the analog-to-digital converter specification for R5F10269GSM#55?
The R5F10269GSM#55 features a 10-bit resolution ADC with 11 input channels (ANI0–ANI3, ANI16–ANI22), internal 1.45 V reference voltage, and an integrated temperature sensor. These specifications are validated in the RL78/G12 datasheet Section 1.1 and apply exclusively to the R5F10269GSM#55 among 20-pin G-grade variants.
Is R5F10269GSM#55 pin-compatible with other RL78/G12 20-pin TSSOP devices?
Yes, the R5F10269GSM#55 shares the identical 20-pin TSSOP (PTSP0020JI-A) package and pinout with all R5F102xxGSM and R5F103xxGSM variants, including R5F10268GSM#55 and R5F10267GSM#55. This allows drop-in replacement within the same temperature grade and package type, provided firmware accommodates memory size differences.
R5F10269GSM#55 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:
- Active
- Programmable:
- -
- 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:
- 12KB (12K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 2K x 8
- RAM Size:
- 1K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.8V ~ 5.5V
- Data Converters:
- A/D 11x8/10b
- Oscillator Type:
- External, Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F10269GSM#55 FAQ
1.How can I place an order for R5F10269GSM#55 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F10269GSM#55 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 R5F10269GSM#55 reliable?
The price and inventory of R5F10269GSM#55 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F10269GSM#55 is usually 5 days.
3.What payment methods are accepted for R5F10269GSM#55?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F10269GSM#55 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F10269GSM#55?
R5F10269GSM#55 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F10269GSM#55 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 R5F10269GSM#55?
For technical support, including R5F10269GSM#55 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F10269GSM#55 requirements.
6.How does Aetrix verify that R5F10269GSM#55 is sourced from the original manufacturer or authorized distributors?
All R5F10269GSM#55 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 R5F10269GSM#55 meets industry standards.
7.What is the process for return or replacement of R5F10269GSM#55?
All R5F10269GSM#55 units undergo pre-shipment inspection (PSI). If there is an issue with R5F10269GSM#55, 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 R5F10269GSM#55 part is unused and in its original packaging.
Return procedure for R5F10269GSM#55:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
R5F10269GSM#55 Tags
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