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Renesas R5F51111AGFL#3A
- Part No.:
- R5F51111AGFL#3A
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 48-LQFP
- Datasheet:
-
R5F51111AGFL#3A.pdf
- Description:
- IC MCU 32BIT 32KB FLASH 48LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,000
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Product details
Overview
R5F51111AGFL#3A 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 A/D converter, two 8-bit D/A outputs, USB 2.0 full-speed host/function/OTG, and RTC - deployed in industrial sensor nodes and low-power HMI control units.
For engineers reviewing the R5F51111AGFL#3A datasheet, R5F51111AGFL#3A pinout, R5F51111AGFL#3A application, or R5F51111AGFL#3A equivalent, key selection criteria include its 48-pin LFQFP (PLQP0048KB-A) package, −40°C to +105°C extended temperature grade, integrated E2 data flash endurance (1M erase/write cycles), and USB OTG support with BC (Battery Charger) compliance.
Technical Context
The R5F51111AGFL#3A implements a CISC Harvard-architecture RX core with five-stage pipeline, variable-length instructions, and 64-bit accumulator for single-cycle 32×32 multiply-accumulate operations. Its clock system integrates high-speed (32 MHz ±1%) and sub-clock (32.768 kHz) oscillators, PLL, and CAC for IEC 60730 clock accuracy validation.
Peripheral integration includes Event Link Controller (ELC) enabling direct module-to-module triggering without CPU intervention, Data Transfer Controller (DTC) supporting chain transfers across four modes, and MTU2 timer unit with six 16-bit channels for complementary PWM and phase counting - all synchronized to PCLK up to 32 MHz.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | RX 32-bit CISC Harvard, 5-stage pipeline, 50 DMIPS @ 32 MHz |
| Max Operating Frequency | 32 MHz (requires VCC ≥ 2.7 V); supports 8/16/32 MHz scaling per supply voltage |
| Memory | 32 KB flash (no wait states @ 32 MHz), 10 KB SRAM, 8 KB data flash (1M cycle endurance) |
| Analog Peripherals | 14-channel 12-bit A/D (1.0 µs min conversion), 2-channel 8-bit D/A, integrated temperature sensor |
| Communication | USB 2.0 full-speed host/function/OTG (12 Mbps), 2× SCI, 1× RIIC (400 kbps), 1× RSPI (16 Mbps) |
| Timers & Control | 6-channel MTU2 (PWM/complementary output/phase count), 2× CMT, RTC with calendar mode, IWDT with dedicated 15 kHz oscillator |
| Package & Temp | 48-pin LFQFP (PLQP0048KB-A), 7 × 7 mm, 0.5 mm pitch; operating range −40°C to +105°C |
Pinout & Package
Package: PLQP0048KB-A - 48-pin Low-Profile Quad Flat Package, 7 × 7 mm body, 0.5 mm lead pitch, exposed pad (thermal enhancement), RoHS-compliant Sn finish.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VSS | Power supply / Ground | Dual power domains: VCC (1.8–3.6 V digital/analog), VSS reference; decoupling required per datasheet layout guidelines |
| XTAL / EXTAL | Main clock oscillator interface | Supports external crystal (1–20 MHz) or clock input; enables precise timing for USB and RTC synchronization |
| XCIN / XCOUT | Sub-clock oscillator interface | 32.768 kHz crystal connection for RTC calendar operation and low-power wake-up capability |
| USB0_DP / USB0_DM | USB differential data pair | Integrated transceiver compliant with USB 2.0 full-speed; supports host, device, and OTG roles with BC detection |
| AN000–AN015 | Analog input channels | 14 dedicated A/D inputs (R5F51111AGFL#3A supports 10 of these per Table 1.2); selectable reference (VREFH0/VREFL0) |
| DA0 / DA1 | Digital-to-analog outputs | Two 8-bit voltage-output DACs (0 V to VCC); available only on 48+ pin packages like this LFQFP variant |
Key Features
| Feature | Design Value |
|---|---|
| IEC 60730 Class B Support | On-chip CAC, IWDT, RAM test assist functions, and voltage monitoring enable certified safety-critical firmware execution |
| Background Operation (BGO) | Data flash erase/write executes concurrently with program execution - no CPU stall during firmware updates |
| Event Link Controller (ELC) | 35 event sources directly trigger peripheral actions (e.g., MTU start on A/D completion), reducing interrupt latency and CPU load |
| Low-Power Modes | Software standby mode draws just 0.44 μA with 4.8 μs wake-up; deep sleep retains RAM and RTC while disabling clocks |
| USB Battery Charging (BC) | Detects D+/D− line states to identify wall adapters, charging ports, and downstream hosts - essential for portable device power management |
Applications
| Industrial Sensor Node | Smart Thermostat HMI |
|---|---|
Use Scenario: Compact, battery-powered environmental monitor measuring temperature, humidity, and air quality with local display and USB configuration. IC Role / Device Role / Timing Role: Central controller managing sensor ADC reads, D/A-driven analog outputs, USB-based parameter updates, and RTC-scheduled sampling intervals. Use Value: Integrated 12-bit A/D, temperature sensor, and 32 MHz real-time processing enable <1 ms sensor fusion loops; USB OTG allows field technicians to reprogram via standard cable without debug hardware. |
Use Scenario: Residential HVAC control panel with touch interface, local feedback, and cloud connectivity via USB-to-bridge adapter. IC Role / Device Role / Timing Role: Real-time UI processor handling button debouncing, display refresh, and USB CDC communication with gateway firmware. Use Value: Dual 8-bit D/A outputs drive analog gauges or LED dimming; software standby mode extends battery life >5 years in idle state while maintaining RTC alarm wake-up capability. |
| Programmable Logic Controller (PLC) I/O Module | Medical Infusion Pump Controller |
Use Scenario: DIN-rail mounted digital I/O expansion module accepting discrete inputs and driving relay/SSR outputs under central PLC coordination. IC Role / Device Role / Timing Role: Isolated field-side interface MCU executing deterministic I/O scan cycles synchronized to master bus timing via ELC-triggered DTC transfers. Use Value: MTU2 complementary PWM and phase counting support encoder feedback; 10 KB SRAM buffers multi-cycle diagnostics and firmware update staging without external memory. |
Use Scenario: Safety-critical infusion pump subsystem controlling motor actuation, pressure sensing, and alarm signaling with fail-safe shutdown logic. IC Role / Device Role / Timing Role: Certified control MCU performing periodic self-tests (RAM/CAC/IWDT), validating analog sensor paths, and enforcing dose limits using hardware timers. Use Value: IEC 60730-compliant peripherals allow Class B certification; 1M-cycle data flash stores calibration logs and audit trails; −40°C to +105°C rating ensures reliability in sterilization environments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F51111ADFL#3A | Same package and memory (32 KB flash/10 KB RAM), but rated for −40°C to +85°C (D-grade vs. G-grade) | Lacks extended temperature qualification; unsuitable for under-hood automotive or high-ambient industrial enclosures | Select when cost sensitivity outweighs extended thermal requirements and ambient conditions remain ≤85°C |
| R5F51113AGFL#3A | 64 KB flash, 10 KB RAM, same package and temp grade; adds 4 additional A/D channels and one more SCI channel | Higher memory headroom for bootloader + application partitioning; extra analog inputs support multi-sensor fusion | Choose when future firmware growth or expanded sensor count is anticipated - same PCB footprint and pinout |
Compared with R5F51111AGFL#3A, the R5F51111ADFL#3A reduces thermal margin but lowers cost, while the R5F51113AGFL#3A provides scalable flash and analog resources without layout changes - making both viable alternatives depending on thermal and memory roadmap needs.
Availability
R5F51111AGFL#3A is available at Aetrix Electronics and suitable for industrial sensor nodes, smart thermostat HMIs, and programmable logic controller I/O modules requiring stable component supply, extended temperature operation, and USB-based field serviceability.
Supply support for R5F51111AGFL#3A 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 industrial, automotive, and IoT applications.
The RX111 Group - including R5F51111AGFL#3A - was designed for cost-sensitive, low-power embedded systems needing USB connectivity, rich analog integration, and functional safety support without external components.
FAQ
What is the maximum operating frequency and voltage requirement for R5F51111AGFL#3A?
The R5F51111AGFL#3A operates at up to 32 MHz, but this requires a supply voltage of 2.7–3.6 V. At 2.4–2.7 V, max frequency drops to 16 MHz; at 1.8–2.4 V, it is limited to 8 MHz. These stepped frequency-voltage dependencies are enforced by internal regulators and must be observed in power sequencing design.
Does R5F51111AGFL#3A support USB On-The-Go (OTG) functionality?
Yes, R5F51111AGFL#3A integrates a full USB 2.0 host/function/OTG module compliant with BC (Battery Charger) specification. It supports role switching via USB0_ID pin detection and includes dedicated VBUS monitoring (USB0_VBUS), overcurrent protection inputs (USB0_OVRCURA/B), and OTG control signals (USB0_EXICEN/USB0_VBUSEN).
How many A/D and D/A channels does R5F51111AGFL#3A provide?
R5F51111AGFL#3A includes a 12-bit A/D converter with up to 14 input channels (10 usable in its 48-pin PLQP0048KB-A package), and two 8-bit D/A converter channels (DA0, DA1). Both analog peripherals share the same AVCC0/AVSS0 power domain and support independent reference voltage configuration.
What low-power modes are available on R5F51111AGFL#3A, and what is the lowest current draw?
R5F51111AGFL#3A offers three low-power modes: Sleep, Deep Sleep, and Software Standby. In Software Standby mode, it draws just 0.44 μA (typical) while retaining RTC operation and RAM contents, with wake-up possible via external interrupt or RTC alarm in 4.8 μs - ideal for battery-backed applications.
Is R5F51111AGFL#3A qualified for functional safety standards like IEC 60730?
Yes, R5F51111AGFL#3A includes hardware features required for IEC 60730 Class B compliance: Clock Accuracy Measurement Circuit (CAC), Independent Watchdog Timer (IWDT) with dedicated oscillator, RAM test assist logic, and dual voltage detectors - enabling certified firmware implementations without external safety monitors.
R5F51111AGFL#3A Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 48-LQFP
- Series:
- RX111
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- RX
- Core Size:
- 32-Bit
- Speed:
- 32MHz
- Connectivity:
- I2C, SCI, SPI, USB
- Peripherals:
- DMA, LVD, POR, PWM, WDT
- Number of I/O:
- 30
- 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 10x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F51111AGFL#3A FAQ
1.How can I place an order for R5F51111AGFL#3A through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F51111AGFL#3A 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 R5F51111AGFL#3A reliable?
The price and inventory of R5F51111AGFL#3A are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F51111AGFL#3A is usually 5 days.
3.What payment methods are accepted for R5F51111AGFL#3A?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F51111AGFL#3A transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F51111AGFL#3A?
R5F51111AGFL#3A orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F51111AGFL#3A 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 R5F51111AGFL#3A?
For technical support, including R5F51111AGFL#3A datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F51111AGFL#3A requirements.
6.How does Aetrix verify that R5F51111AGFL#3A is sourced from the original manufacturer or authorized distributors?
All R5F51111AGFL#3A 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 R5F51111AGFL#3A meets industry standards.
7.What is the process for return or replacement of R5F51111AGFL#3A?
All R5F51111AGFL#3A units undergo pre-shipment inspection (PSI). If there is an issue with R5F51111AGFL#3A, 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 R5F51111AGFL#3A part is unused and in its original packaging.
Return procedure for R5F51111AGFL#3A:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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