Renesas R5F51111ADLF#UA
- Part No.:
- R5F51111ADLF#UA
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-WFLGA
- Datasheet:
-
R5F51111ADLF#UA.pdf
- Description:
- IC MCU 32BIT 32KB FLASH 64FLGA
- Quantity:
- Payment:

- Shipping:

Inventory:4,900
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Product details
Overview
R5F51111ADLF#UA from Renesas is a 32-bit RX CPU-based microcontroller operating at up to 32 MHz (50 DMIPS), featuring 32 KB on-chip flash, 10 KB SRAM, 8 KB data flash, 14-channel 12-bit ADC, dual 8-bit DACs, USB 2.0 full-speed host/function/OTG, and RTC - deployed in industrial sensor nodes requiring low-power, integrated analog I/O, and USB connectivity.
For engineers reviewing the R5F51111ADLF#UA datasheet, R5F51111ADLF#UA pinout, R5F51111ADLF#UA application, or R5F51111ADLF#UA equivalent, this page delivers verified specifications, package-confirmed pin functions, real-world use cases, and validated alternative options for embedded control, USB-peripheral integration, and battery-backed timing systems.
Technical Context
The R5F51111ADLF#UA implements the RXv1 core with Harvard architecture, five-stage pipeline, and variable-length instructions - enabling ultra-compact code and single-cycle 32×32-bit multiply operations. Its clock system integrates PLL, high-speed on-chip oscillator (32 MHz ±1%), sub-clock (32.768 kHz), and CAC for frequency accuracy monitoring.
Peripherals include an Event Link Controller (ELC) for interrupt-free inter-module triggering, Data Transfer Controller (DTC) supporting chain transfers, and MTU2 timer unit with six 16-bit channels for PWM, input capture, and phase counting - all synchronized to PCLK up to 32 MHz.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | RXv1 32-bit CISC core with 5-stage pipeline, 73 basic + 9 DSP instructions, 64-bit accumulator |
| Max Operating Frequency | 32 MHz at VCC = 2.7–3.6 V; delivers 50 DMIPS with no wait states on flash/SRAM |
| Memory | 32 KB flash (1.8 V programmable), 10 KB SRAM, 8 KB data flash (1M erase/write cycles) |
| Analog Peripherals | 14-channel 12-bit ADC (1.0 µs min conversion), 2-channel 8-bit DAC (0–VCC output), integrated temperature sensor |
| Communication | USB 2.0 full-speed host/function/OTG (12 Mbps), 3x SCI, 1x RIIC (400 kbps), 1x RSPI (16 Mbps) |
| Power & Temp | 1.8–3.6 V supply; −40°C to +85°C operating range; software standby current = 0.44 µA, wake-up = 4.8 µs |
Pinout & Package
Packaged in 64-pin WFLGA (PWLG0064KA-A), 5 mm × 5 mm, 0.5 mm pitch, with exposed thermal pad - optimized for space-constrained industrial and portable designs.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VSS | Core power / ground | Dual 3.3 V supply domains; VCC_USB/VSS_USB isolated for USB transceiver noise immunity |
| USB0_DP / USB0_DM | USB differential data pair | On-chip full-speed transceiver; supports host, device, and OTG modes without external PHY |
| AN000–AN015 | Analog input channels | 14 dedicated pins for 12-bit ADC; AVCC0/AVSS0 and VREFH0/VREFL0 enable precision ratiometric measurement |
| DA0 / DA1 | Analog output channels | Two independent 8-bit voltage-output DACs referenced to VCC; usable for biasing, calibration, or waveform generation |
| MTIOC0A–MTIOC5D | Timer I/O pins | Six MTU2 channels support complementary PWM, phase counting, and ADC trigger generation - critical for motor control |
| XCIN / XCOUT | Sub-clock oscillator interface | 32.768 kHz crystal connection for RTC calendar mode and low-power timekeeping |
Key Features
| Feature | Design Value |
|---|---|
| Event Link Controller (ELC) | Enables direct hardware-triggered peripheral operation (e.g., MTU start on ADC end) without CPU intervention or latency |
| Data Flash with BGO | 8 KB EEPROM-like memory supports background erase/write during program execution - essential for logging and firmware updates |
| IEC 60730 Support | Integrated CAC, IWDT, RAM test assist, and clock fail detection - simplifies Class B safety certification for home appliances |
| Low-Power Modes | Software standby (0.44 µA) with 4.8 µs wake-up via RTC alarm or external interrupt - ideal for battery-powered sensors |
| Multi-Function Pin Controller (MPC) | Allows dynamic reassignment of peripheral functions (e.g., SCI vs. I2C) to shared pins - increases board layout flexibility |
Applications
| Industrial Sensor Node | USB-Capable Test Equipment |
|---|---|
Use Scenario: Compact environmental monitor with temperature/humidity sensing, local data logging, and USB mass-storage export. IC Role / Device Role / Timing Role: Central controller managing ADC sampling, CRC-protected data flash writes, RTC timestamping, and USB device enumeration as MSC class. Use Value: Integrated USB device + 8 KB data flash enables field technicians to retrieve logs via standard PC without custom drivers or wireless infrastructure. |
Use Scenario: Portable handheld calibrator that accepts analog inputs, performs linearization, and exports results via USB to PC. IC Role / Device Role / Timing Role: Real-time signal processor using dual DACs for reference output, 12-bit ADC for input acquisition, and USB function for HID report transmission. Use Value: On-chip 32 MHz oscillator ±1% accuracy eliminates external crystal cost while meeting USB full-speed timing requirements. |
| Smart Home Appliance Control | Low-Power IoT Edge Node |
Use Scenario: Washing machine main control board requiring motor drive, user interface, and safety monitoring per IEC 60730. IC Role / Device Role / Timing Role: Safety-critical MCU executing watchdog supervision, RAM integrity checks, clock accuracy validation, and PWM-driven triac control. Use Value: Hardware-assisted safety features reduce software certification effort and eliminate need for external safety monitors. |
Use Scenario: Battery-powered water leak detector with wake-on-event, analog threshold sensing, and periodic USB status upload. IC Role / Device Role / Timing Role: Ultra-low-power node using software standby mode, RTC alarm wake-up, and ELC-triggered ADC sampling on sensor event. Use Value: 0.44 µA standby current extends CR2032 battery life beyond 5 years while maintaining responsive wake-up capability. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F51111ADFM#3A | Same RX111 core, 32 KB flash, 10 KB RAM, but in 64-pin LFQFP (PLQP0064KB-A, 10×10 mm) | Requires larger PCB footprint; better thermal dissipation and hand-solderability | Select when board layout allows larger package or requires easier prototyping/debugging access |
| R5F51111ADFL#3A | Identical memory and peripherals, but in 48-pin LFQFP (PLQP0048KB-A, 7×7 mm); fewer GPIOs (30 vs. 46) and no D/A converters | Lacks dual 8-bit DACs and 6 GPIOs; supports only 10 ADC channels instead of 14 | Choose for cost-sensitive, space-constrained designs where DACs and full ADC count are unnecessary |
Compared with R5F51111ADLF#UA, the LFQFP variant offers mechanical robustness and debug accessibility, while the 48-pin variant trades analog I/O and pin count for lower cost and smaller area - making each suitable for distinct production priorities.
Availability
R5F51111ADLF#UA is available at Aetrix Electronics and suitable for industrial sensor nodes, USB-peripheral test equipment, smart home controllers, and low-power IoT edge devices requiring stable component supply, long-term lifecycle assurance, and RoHS-compliant sourcing.
Supply support for R5F51111ADLF#UA 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 enterprise markets.
The RX111 Group - including R5F51111ADLF#UA - is engineered for cost-sensitive, low-power embedded applications demanding USB connectivity, integrated analog peripherals, and functional safety support.
FAQ
What is the maximum operating frequency and supply voltage range for the R5F51111ADLF#UA?
The R5F51111ADLF#UA operates at up to 32 MHz when supplied between 2.7 V and 3.6 V. At 1.8–2.4 V, max frequency is 8 MHz; at 2.4–2.7 V, it is 16 MHz. All frequencies achieve zero-wait-state execution on flash and SRAM. The R5F51111ADLF#UA integrates a 32 MHz ±1% on-chip oscillator, eliminating need for external crystal in many USB and timing applications.
Does the R5F51111ADLF#UA support USB On-The-Go (OTG)?
Yes, the R5F51111ADLF#UA includes a USB 2.0 host/function module compliant with OTG specification. It supports role switching via USB0_ID pin detection, VBUS sensing (USB0_VBUS), overcurrent protection (USB0_OVRCURA/B), and OTG-specific controls (USB0_EXICEN, USB0_VBUSEN). The R5F51111ADLF#UA handles full-speed (12 Mbps) and low-speed (1.5 Mbps) modes, isochronous transfers, and Battery Charging (BC) detection.
How many analog-to-digital converter (ADC) channels does the R5F51111ADLF#UA provide, and what is its conversion speed?
The R5F51111ADLF#UA integrates a 12-bit S12AD module with up to 14 input channels (AN000–AN015, excluding AN005/AN007). Minimum conversion time is 1.0 µs per channel when ADCLK runs at 32 MHz. It supports scan modes, double-trigger duplication for motor control, and flexible start sources including software, MTU timers, external pins, or ELC events - all confirmed in the R5F51111ADLF#UA datasheet Rev.1.30.
What package type and pin count does the R5F51111ADLF#UA use?
The R5F51111ADLF#UA uses the PWLG0064KA-A package: a 64-pin Wafer-Level Glass Array (WFLGA), 5 mm × 5 mm body, 0.5 mm pitch, with exposed thermal pad. This matches the "LF" suffix in the part number and is explicitly listed in Table 1.3 of the R01DS0190EJ0130 datasheet. Pin assignments are detailed in Figure 1.4 and Table 1.4 for this exact variant.
Is the R5F51111ADLF#UA qualified for industrial temperature range operation?
Yes, the R5F51111ADLF#UA is rated for −40°C to +85°C operation (indicated by the "D" suffix in the part number). This is confirmed in Table 1.3 and Section 1.1 of the R01DS0190EJ0130 datasheet. It includes temperature sensor functionality and operates reliably across this full industrial range with specified electrical characteristics and timing margins.
R5F51111ADLF#UA Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 64-WFLGA
- Series:
- RX111
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- RX
- Core Size:
- 32-Bit Single-Core
- Speed:
- 32MHz
- Connectivity:
- I2C, SCI, SPI, USB OTG
- Peripherals:
- DMA, LVD, POR, PWM, WDT
- Number of I/O:
- 46
- Program Memory Size:
- 32KB (32K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 8K x 8
- RAM Size:
- 10K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.8V ~ 3.6V
- Data Converters:
- A/D 14x12b; D/A 2x8b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F51111ADLF#UA FAQ
1.How can I place an order for R5F51111ADLF#UA through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F51111ADLF#UA 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 R5F51111ADLF#UA reliable?
The price and inventory of R5F51111ADLF#UA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F51111ADLF#UA is usually 5 days.
3.What payment methods are accepted for R5F51111ADLF#UA?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F51111ADLF#UA transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F51111ADLF#UA?
R5F51111ADLF#UA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F51111ADLF#UA 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 R5F51111ADLF#UA?
For technical support, including R5F51111ADLF#UA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F51111ADLF#UA requirements.
6.How does Aetrix verify that R5F51111ADLF#UA is sourced from the original manufacturer or authorized distributors?
All R5F51111ADLF#UA 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 R5F51111ADLF#UA meets industry standards.
7.What is the process for return or replacement of R5F51111ADLF#UA?
All R5F51111ADLF#UA units undergo pre-shipment inspection (PSI). If there is an issue with R5F51111ADLF#UA, 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 R5F51111ADLF#UA part is unused and in its original packaging.
Return procedure for R5F51111ADLF#UA:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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