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Renesas R5F64116DFB#U0
- Part No.:
- R5F64116DFB#U0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
R5F64116DFB#U0.pdf
- Description:
- IC MCU 16/32BIT 512KB 100LFQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,808
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Product details
Overview
R5F64116DFB#U0 from Renesas Electronics is a 32-bit CISC microcontroller in the R32C/111 Group, featuring a 50 MHz CPU core with IEEE-754 single-precision FPU, 512 KB flash + 8 KB data flash, 40 KB RAM, and 100-pin LQFP (PLQP0100KB-A) packaging. It integrates nine UART channels (including I²C-bus support), 26-channel 10-bit ADC, dual 8-bit DAC, three-phase motor control timer, and DMAC for industrial automation and home appliance control.
For engineers reviewing the R5F64116DFB#U0 datasheet, R5F64116DFB#U0 pinout, R5F64116DFB#U0 application, or R5F64116DFB#U0 equivalent, key selection criteria include its -40°C to +85°C operating range, 100-pin LQFP package with external bus interface, 9 serial channels supporting IEBus and I²C, and integrated three-phase motor control peripherals with programmable dead-time.
Technical Context
The R5F64116DFB#U0 implements the R32C/100 Series CPU core with 108 basic instructions, 20 ns minimum instruction execution time at 50 MHz, and hardware multiplier/MAC unit. Its clock system includes four independent sources - main clock (XIN/XOUT), sub-clock (XCIN/XCOUT), PLL, and on-chip oscillator - with oscillation stop detection and selectable frequency division (÷2 to ÷24).
Memory architecture supports up to 4 GB address space (64 MB user-accessible), with external bus interface offering wait-state insertion, four chip selects, and configurable 8-/16-bit data width in separate or multiplexed bus modes. The device features 261 interrupt vectors, seven priority levels, and dual DMA controllers (DMAC + DMAC II) supporting cycle-steal, immediate data transfer, and chain transfer.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | R32C/100 Series 32-bit CISC with IEEE-754 single-precision FPU and 32-bit barrel shifter |
| Max Operating Frequency | 50 MHz - enables real-time motor control and multi-protocol communication at ≤20 ns instruction latency |
| Flash Memory | 512 KB + 8 KB ×2 data flash - supports firmware updates and parameter storage without external EEPROM |
| RAM | 40 KB - sufficient for real-time control stacks, communication buffers, and waveform generation tables |
| ADC | 10-bit resolution × 26 channels with sample-and-hold - enables simultaneous sensing of motor phase currents, temperature, and voltage rails |
| DAC | 8-bit × 2 channels - provides analog reference outputs for sensor biasing or closed-loop feedback conditioning |
| Serial Interfaces | 9 UART channels (UART0–UART8), with I²C-bus mode on UART0–UART6 - supports multi-sensor networks and display interfaces |
| Operating Temperature | -40°C to +85°C (D version) - qualified for industrial and automotive under-hood environments |
Pinout & Package
Package: 100-pin plastic molded LQFP (PLQP0100KB-A), 14 mm × 14 mm, 0.5 mm pitch, RoHS-compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P7_0 / TA0OUT / TXD2 | N-channel open-drain UART output & timer output | Drives I²C-bus SDA2 directly; requires external pull-up; supports level-shifted logic interfacing |
| P6_2 / TB2IN / RXD0 | Timer B input & UART receive input | Accepts encoder quadrature signals or asynchronous serial data; shared pin enables compact motor feedback routing |
| P3_6 / P3_7 / A14 / A15 | Address bus outputs (multiplexed) | Enable 16-bit external memory expansion up to 64 MB; compatible with standard SRAM/Flash controllers |
| VDC0 / VDC1 | Internal voltage decoupling terminals | Must be connected via 1 µF ceramic capacitor; critical for stable internal regulator operation and noise immunity |
| NSD | Debug port interface | Connects to Renesas E1/E20 debuggers; requires 1–4.7 kΩ pull-up to VCC1 for reliable on-chip debugging |
Key Features
| Feature | Design Value |
|---|---|
| Three-phase motor control timer | Uses TA1, TA2, TA4, and TB2 with 8-bit programmable dead-time generator - eliminates external gate-driver timing ICs |
| Intelligent I/O subsystem | 16 input-capture and 19 output-compare channels - enables precise PWM generation, encoder position tracking, and waveform synthesis |
| CRC calculator | Hardware CRC-CCITT (X¹⁶ + X¹² + X⁵ + 1) - accelerates firmware integrity checks and communication frame validation |
| X-Y converter | 16-bit × 16-bit hardware multiplier - offloads trigonometric and scaling calculations from CPU in motion control loops |
| Low-power modes | Wait mode (8 µA @ 3.3 V, 32.768 kHz) and stop mode - extends battery life in portable metering and sensor nodes |
| Security protection | ROM code protect and ID code protect - prevents unauthorized firmware extraction and cloning in production devices |
Applications
| Industrial Motor Drives | Smart Home Appliances |
|---|---|
Use Scenario: Closed-loop control of BLDC compressors in inverter air conditioners with real-time current sensing and thermal monitoring. IC Role / Device Role / Timing Role: Main system controller executing field-oriented control (FOC) algorithms, managing 9-channel ADC sampling, and generating six PWM outputs with synchronized dead-time. Use Value: Integrated three-phase timer and 26-channel ADC reduce BOM count by eliminating external PWM generators and analog front-ends. | Use Scenario: Central MCU in multifunction printers handling paper feed, toner dispensing, and network connectivity. IC Role / Device Role / Timing Role: Host processor coordinating stepper motor drivers, thermal printhead control, and USB/Ethernet interface via UART and external bus. Use Value: Nine UART channels support concurrent communication with scanner, engine, and network modules without software UART overhead. |
| Energy Meters | Office Equipment |
Use Scenario: Polyphase electricity meter with harmonic analysis, tamper detection, and PLC/GPRS communication. IC Role / Device Role / Timing Role: Metering SoC performing 10-bit ADC sampling at 10 kSPS, CRC-verified data logging to data flash, and UART-based modem control. Use Value: On-chip data flash (4 KB × 2 blocks) stores calibration coefficients and event logs independently of main program flash. | Use Scenario: Control unit in digital copiers managing document feeder, image sensor interface, and LCD panel timing. IC Role / Device Role / Timing Role: Real-time coordinator using intelligent I/O for precise scan-line synchronization and output compare for backlight dimming PWM. Use Value: 19 output-compare channels enable independent timing control of multiple subsystems without CPU intervention. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F64112DFB | Same 100-pin LQFP package, 512 KB flash + 8 KB data flash, but 63 KB RAM instead of 40 KB | Better suited for applications requiring larger runtime data buffers or complex protocol stacks | Select R5F64112DFB when RAM headroom is critical; R5F64116DFB#U0 optimizes cost for RAM-constrained designs |
| R5F64115DFB | Same package and temperature grade, but 384 KB flash + 8 KB data flash and 40 KB RAM | Lower-cost option for firmware with reduced feature set or smaller code footprint | Choose R5F64115DFB where flash capacity can be traded for lower unit cost without compromising RAM or peripheral count |
Compared with R5F64112DFB (63 KB RAM) and R5F64115DFB (384 KB flash), the R5F64116DFB#U0 uniquely balances 512 KB flash with 40 KB RAM in the D-grade 100-pin LQFP, making it optimal for cost-sensitive industrial controls requiring full peripheral access and moderate data buffering.
Availability
R5F64116DFB#U0 is available at Aetrix Electronics and suitable for industrial motor drives, smart home appliances, energy meters, and office equipment requiring stable component supply across extended product lifecycles.
Supply support for R5F64116DFB#U0 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 IoT markets.
The R32C/111 Group targets high-reliability industrial control applications, delivering deterministic real-time performance, robust EMI/EMS immunity, and integrated motor control peripherals within a scalable 32-bit CISC architecture.
FAQ
What is the maximum operating frequency and supply voltage range for the R5F64116DFB#U0?
The R5F64116DFB#U0 operates at a maximum frequency of 50 MHz with supply voltages VCC1 = VCC2 = 3.0 V to 5.5 V. Its minimum instruction execution time is 20 ns under these conditions. The device supports low-power operation down to 32.768 kHz in wait mode, maintaining full functionality while drawing only 8 µA at 3.3 V.
Does the R5F64116DFB#U0 support external memory expansion, and what bus configurations are available?
Yes, the R5F64116DFB#U0 supports external memory expansion with a 4 GB address space (64 MB user-accessible). It offers configurable bus formats - separate or multiplexed - with 8-/16-bit data width, four chip select outputs, and wait-state insertion. Bus control signals include RD, WR0/WR1/WR, CS0–CS3, ALE, HOLD, HLDA, and RDY, enabling direct interfacing with standard SRAM, Flash, and peripheral ICs.
How many analog-to-digital converter (ADC) channels does the R5F64116DFB#U0 provide, and what is their resolution?
The R5F64116DFB#U0 integrates a 10-bit resolution ADC with up to 26 input channels, including dedicated AN_0–AN_7, AN0_0–AN0_7, and AN2_0–AN2_7 groups. It features built-in sample-and-hold circuitry, allowing simultaneous sampling across multiple channels - essential for three-phase motor current measurement and multi-sensor monitoring in industrial applications.
What UART and I²C capabilities does the R5F64116DFB#U0 offer?
The R5F64116DFB#U0 provides nine independent UART channels (UART0–UART8), with UART0–UART6 supporting I²C-bus mode, Special Mode 2, and optional IEBus. Each UART channel supports asynchronous/synchronous operation, and selected pins (e.g., P7_0, P7_1, P6_3) feature open-drain outputs for direct I²C-bus connection without external level shifters.
Is the R5F64116DFB#U0 pin-compatible with other members of the R32C/111 Group, and what package does it use?
Yes, the R5F64116DFB#U0 uses the 100-pin plastic molded LQFP (PLQP0100KB-A) package and shares pin-compatible footprints with other 100-pin R32C/111 Group MCUs like R5F64110DFB and R5F64112DFB. This allows hardware reuse across variants differing only in flash/RAM configuration, simplifying design scalability and inventory management.
R5F64116DFB#U0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 100-LQFP
- Series:
- M16C/R32C/100/111
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- R32C/100
- Core Size:
- 16/32-Bit
- Speed:
- 50MHz
- Connectivity:
- EBI/EMI, I2C, IEBus, UART/USART
- Peripherals:
- DMA, LVD, PWM, WDT
- Number of I/O:
- 82
- Program Memory Size:
- 512KB (512K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 8K x 8
- RAM Size:
- 40K x 8
- Voltage - Supply (Vcc/Vdd):
- 3V ~ 5.5V
- Data Converters:
- A/D 26x10b; D/A 2x8b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F64116DFB#U0 FAQ
1.How can I place an order for R5F64116DFB#U0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F64116DFB#U0 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 R5F64116DFB#U0 reliable?
The price and inventory of R5F64116DFB#U0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F64116DFB#U0 is usually 5 days.
3.What payment methods are accepted for R5F64116DFB#U0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F64116DFB#U0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F64116DFB#U0?
R5F64116DFB#U0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F64116DFB#U0 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 R5F64116DFB#U0?
For technical support, including R5F64116DFB#U0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F64116DFB#U0 requirements.
6.How does Aetrix verify that R5F64116DFB#U0 is sourced from the original manufacturer or authorized distributors?
All R5F64116DFB#U0 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 R5F64116DFB#U0 meets industry standards.
7.What is the process for return or replacement of R5F64116DFB#U0?
All R5F64116DFB#U0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F64116DFB#U0, 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 R5F64116DFB#U0 part is unused and in its original packaging.
Return procedure for R5F64116DFB#U0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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