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Renesas R5F1027AGNA#U5
- Part No.:
- R5F1027AGNA#U5
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 24-WFQFN Exposed Pad
- Datasheet:
-
R5F1027AGNA#U5.pdf
- Description:
- IC MCU 16BIT 16KB FLASH 24HWQFN
- Quantity:
- Payment:
- Shipping:
Inventory:2,320
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Product details
Overview
R5F1027AGNA#U5 from Renesas Electronics is a 24-pin HWQFN-packaged RL78/G12 16-bit microcontroller designed for industrial embedded control at extended temperature (–40°C to +105°C). It integrates 16 KB code flash, 2 KB data flash, 1.5 KB RAM, 10-bit 11-channel ADC, dual CSI/I²C interfaces, UART, 4-channel 16-bit TAU timer, and DMA-enabling low-power sensor node and motor control applications.
For engineers reviewing the R5F1027AGNA#U5 datasheet, R5F1027AGNA#U5 pinout, R5F1027AGNA#U5 application, or R5F1027AGNA#U5 equivalent, key selection criteria include its G-grade industrial temp rating, on-chip data flash for parameter storage, 2-channel DMA for efficient peripheral-to-memory transfers, and hardware CRC for firmware integrity verification in safety-critical edge devices.
Technical Context
The R5F1027AGNA#U5 implements the RL78 CPU core with 3-stage pipeline CISC architecture, supporting instruction execution times from 0.04167 µs (24 MHz high-speed on-chip oscillator) to 1 µs (1 MHz ultra-low-speed mode). Its power management includes HALT, STOP, and SNOOZE modes achieving 63 µA/MHz active current draw.
It features a dedicated high-speed on-chip oscillator (±1.0% accuracy from –20°C to +85°C; ±2.0% at –40°C to +105°C), 12-level voltage detector for brown-out protection, and on-chip debug with flash shield window for secure programming-targeting cost-sensitive industrial control where external crystal omission and robust reset supervision are required.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | RL78 16-bit CISC with 3-stage pipeline; enables deterministic real-time control with minimal code footprint |
| Operating Voltage | 1.8 V to 5.5 V; supports direct battery operation (e.g., 2×AA, Li-ion) without LDO pre-regulation |
| Flash Memory | 16 KB code flash + 2 KB data flash; allows field-upgradable firmware and nonvolatile parameter storage without external EEPROM |
| ADC Resolution | 10-bit, 11-channel SAR ADC with internal 1.45 V reference and temperature sensor; enables analog monitoring of sensors and system health |
| Timer Resources | 4-channel 16-bit TAU timer with PWM output capability; supports motor phase control, LED dimming, and pulse generation |
| Serial Interfaces | 2× CSI (SPI-compatible), 2× simplified I²C, 1× UART; provides flexible connectivity to sensors, displays, and host controllers |
| Industrial Temp Range | –40°C to +105°C (G-grade); qualified for under-hood automotive modules, factory automation drives, and outdoor IoT gateways |
Pinout & Package
Package: HWQFN-24 (4 mm × 4 mm, 0.5 mm pitch) with exposed die pad (recommended connection to VSS).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P125/KR1/SI01/RESET | Multi-function input | Primary reset input with internal pull-up; also serves as SPI slave-in for CSI01 interface |
| P10/ANI16/PCLBUZ0/SCK00/SCL00 | Multi-function I/O | Configurable as A/D input, programmable clock/buzzer output, or SPI/I²C clock for primary serial interface |
| P11/ANI17/SI00/RxD0/SDA00/TOOLRxD | Multi-function I/O | Supports UART receive, I²C data, SPI slave-in, or analog input-enables shared pin usage across protocols |
| P12/ANI18/SO00/TxD0/TOOLTxD | Multi-function I/O | Provides UART transmit, SPI master-out, I²C data, or analog input-reduces external level-shifting needs |
| P20/ANI0/AVREFP | Analog reference | Positive analog reference input; used for ADC precision measurement and internal voltage scaling |
| P21/ANI1/AVREFM | Analog reference | Negative analog reference input; establishes differential ADC measurement baseline |
| VDD / VSS | Power supply | Dual power pins support decoupling close to core; exposed pad enhances thermal dissipation in compact layouts |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low power consumption | 63 µA/MHz active current enables battery-powered operation >5 years in duty-cycled sensor nodes |
| On-chip data flash (2 KB) | 1 million write/erase cycles with background operation (BGO); permits runtime calibration storage without halting CPU |
| Hardware CRC module | Performs cyclic redundancy check on flash memory or RAM blocks; ensures firmware/data integrity in harsh EMI environments |
| RAM guard & SFR guard | Prevents accidental overwrites of critical memory regions; enhances reliability in long-life industrial deployments |
| High-accuracy on-chip oscillator | ±1.0% tolerance (–20°C to +85°C), ±2.0% (–40°C to +105°C); eliminates external crystal for cost-sensitive timing-critical apps |
Applications
| Industrial Motor Control | Smart Sensor Node |
|---|---|
Use Scenario: Brushless DC motor commutation in HVAC blowers and pump drivers requiring precise timing and thermal monitoring. IC Role / Device Role / Timing Role: Real-time PWM generation via TAU timer, ADC-based current/voltage sampling, and CRC-verified firmware updates. Use Value: Integrated 10-bit ADC and 4-channel TAU eliminate external signal conditioning ICs; G-grade temp range ensures stable operation near hot motors. |
Use Scenario: Battery-powered environmental sensor hub measuring temperature, humidity, and air quality in building automation systems. IC Role / Device Role / Timing Role: Low-power wake-up controller managing sensor polling, data aggregation, and LoRaWAN transmission scheduling. Use Value: 63 µA/MHz active current and SNOOZE mode extend 2×AA battery life beyond 3 years; on-chip data flash stores calibration coefficients per sensor. |
| Factory Automation I/O Module | Medical Diagnostic Equipment |
Use Scenario: DIN-rail mounted digital I/O expansion unit interfacing PLCs with solenoids, relays, and limit switches. IC Role / Device Role / Timing Role: Isolated input capture and output drive control with watchdog supervision and voltage-detect reset. Use Value: 12-level LVD enables configurable brown-out detection; N-ch open-drain outputs directly drive 24 V industrial loads without external transistors. |
Use Scenario: Portable blood glucose meter or handheld vital sign monitor requiring accurate analog front-end and regulatory-compliant firmware security. IC Role / Device Role / Timing Role: Precision ADC acquisition, secure boot via flash shield window, and CRC-checked firmware updates. Use Value: Hardware CRC and flash shield window meet IEC 62304 Class B software safety requirements; integrated temperature sensor validates internal thermal drift compensation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F1027ADNA#U5 | D-grade (–40°C to +85°C); identical peripherals and memory but lower temp rating | Suitable for indoor industrial equipment without thermal stress | Select when ambient operating temperature remains ≤+85°C and cost optimization is prioritized over extended temp margin |
| R5F1037AGNA#U5 | No data flash (0 KB); no DMA; no CRC; reduced serial interface count (1 CSI, 0 simplified I²C) | Targeted at simpler control tasks without runtime parameter storage or high-bandwidth peripheral transfers | Choose only if data flash, DMA, and hardware CRC are unnecessary-otherwise R5F1027AGNA#U5 provides superior feature set for same package and pinout |
Compared with R5F1027ADNA#U5, the R5F1027AGNA#U5 adds guaranteed +105°C operation and identical functionality; versus R5F1037AGNA#U5, it delivers critical data flash, DMA, and CRC capabilities absent in the R5F103 series-making it the only RL78/G12 24-pin option meeting full industrial reliability requirements.
Availability
R5F1027AGNA#U5 is available at Aetrix Electronics and suitable for industrial motor control, smart sensor node, and factory automation I/O module designs requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for R5F1027AGNA#U5 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, and power solutions for automotive, industrial, and IoT markets.
The RL78/G12 product line delivers ultra-low-power 16-bit MCUs optimized for cost-sensitive industrial control, sensor interfacing, and appliance applications-balancing performance, integration, and energy efficiency.
FAQ
What is the maximum operating frequency of the R5F1027AGNA#U5?
The R5F1027AGNA#U5 supports up to 24 MHz operation using its high-speed on-chip oscillator, delivering 31 DMIPS performance. External crystal operation is limited to 20 MHz (HS mode) or 8 MHz (LS mode), depending on VDD voltage range. The R5F1027AGNA#U5 maintains full peripheral functionality-including ADC, timers, and serial interfaces-at all supported frequencies.
Does the R5F1027AGNA#U5 include on-chip debug capability?
Yes, the R5F1027AGNA#U5 integrates an on-chip debug function compatible with Renesas E2 emulator and CS+ IDE. It supports breakpoints, watchpoints, and flash programming during development. However, Renesas explicitly advises against using this debug function in mass-produced end products due to potential flash wear-out beyond guaranteed rewrite cycles.
How does the data flash memory in the R5F1027AGNA#U5 differ from standard code flash?
The R5F1027AGNA#U5 includes 2 KB of dedicated data flash memory separate from its 16 KB code flash. This data flash supports background operation (BGO), enabling CPU execution from code flash while rewriting data flash. It is rated for 1,000,000 erase/write cycles at VDD = 1.8–5.5 V-making it ideal for storing calibration data, device configuration, or logging information without requiring external nonvolatile memory.
What packaging and lead-free compliance does the R5F1027AGNA#U5 have?
The R5F1027AGNA#U5 is supplied in a 24-pin HWQFN package (4 mm × 4 mm, 0.5 mm pitch) with exposed die pad, compliant with JEDEC MO-220 and RoHS Directive 2011/65/EU. It is lead-free, halogen-free, and meets Renesas' green policy standards. The #U5 suffix indicates tray packaging for automated SMT assembly.
Can the R5F1027AGNA#U5 operate from a single 3.3 V supply?
Yes, the R5F1027AGNA#U5 operates across 1.8 V to 5.5 V, fully supporting 3.3 V nominal supply. At 3.3 V, it achieves full 24 MHz on-chip oscillator operation with ±1.0% accuracy (–20°C to +85°C) and ±2.0% (–40°C to +105°C). All I/Os are 5 V-tolerant on selected pins (e.g., P60/P61), simplifying interface with legacy 5 V peripherals.
R5F1027AGNA#U5 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 24-WFQFN Exposed Pad
- 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:
- 18
- Program Memory Size:
- 16KB (16K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 2K x 8
- RAM Size:
- 1.5K 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:
R5F1027AGNA#U5 FAQ
1.How can I place an order for R5F1027AGNA#U5 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F1027AGNA#U5 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 R5F1027AGNA#U5 reliable?
The price and inventory of R5F1027AGNA#U5 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F1027AGNA#U5 is usually 5 days.
3.What payment methods are accepted for R5F1027AGNA#U5?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F1027AGNA#U5 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F1027AGNA#U5?
R5F1027AGNA#U5 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F1027AGNA#U5 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 R5F1027AGNA#U5?
For technical support, including R5F1027AGNA#U5 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F1027AGNA#U5 requirements.
6.How does Aetrix verify that R5F1027AGNA#U5 is sourced from the original manufacturer or authorized distributors?
All R5F1027AGNA#U5 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 R5F1027AGNA#U5 meets industry standards.
7.What is the process for return or replacement of R5F1027AGNA#U5?
All R5F1027AGNA#U5 units undergo pre-shipment inspection (PSI). If there is an issue with R5F1027AGNA#U5, 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 R5F1027AGNA#U5 part is unused and in its original packaging.
Return procedure for R5F1027AGNA#U5:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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