Renesas R5F5671CDGFB#10
- Part No.:
- R5F5671CDGFB#10
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
R5F5671CDGFB#10.pdf
- Description:
- IC MCU 32BIT 1.5MB FLASH 144LQFP
- Quantity:
- Payment:

- Shipping:

Inventory:1,574
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Product details
Overview
R5F5671CDGFB#10 from Renesas is a 32-bit RXv3 microcontroller operating at up to 120 MHz, featuring double-precision IEEE-754 FPU, 2 MB on-chip code flash with dual-bank support, 384 KB SRAM, and integrated CAN, USB 2.0 FS, SD host interface, QSPIX, and capacitive touch sensing - deployed in industrial HMI and smart metering systems requiring real-time control and secure firmware updates.
For engineers reviewing the R5F5671CDGFB#10 datasheet, R5F5671CDGFB#10 pinout, R5F5671CDGFB#10 application, or R5F5671CDGFB#10 equivalent, key selection criteria include its 144-pin LFQFP package (PLQP0144KA-B), 120-MHz deterministic timing, TSIP-based AES256/SHA256 encryption, IEC60730-compliant self-test features, and hardware-accelerated remote control signal reception (REMC).
Technical Context
The R5F5671CDGFB#10 implements the RXv3 CPU core with 113 instructions, 16 general-purpose 32-bit registers, and dual-precision floating-point coprocessor supporting 21 DP-FP instructions. It integrates a memory protection unit (MPU) with eight configurable regions and supports little/big-endian data arrangement.
Its clock system combines external crystal (8–24 MHz), sub-clock (32.768 kHz), and internal oscillators (LOCO/HOCO/IWDT-dedicated), with independent frequency division for ICLK (up to 120 MHz), PCLKA/B/C/D (up to 120/60/60/60 MHz), and dedicated ADCLKs - enabling precise peripheral timing isolation for A/D conversion, USB, and QSPIX fetch operations.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | RXv3 32-bit, 120 MHz max, 707 CoreMark score - enables real-time deterministic execution in motor control and protocol stacks. |
| Memory | 2 MB code flash (dual-bank, BGO programming), 8 KB data flash (100k write cycles), 384 KB SRAM (no-wait @120 MHz) - supports field firmware updates without service interruption. |
| FPU | Double-precision IEEE-754 compliant - delivers accurate computation for sensor fusion, digital power control, and predictive maintenance algorithms. |
| Security | Trusted Secure IP (TSIP) with AES128/192/256, RSA, ECC, SHA256, TRNG, and key protection - meets IEC60730 Class B and IoT device attestation requirements. |
| Peripherals | 2× CAN FD-capable channels (32 mailboxes), 1× USB 2.0 FS host/function/OTG, 1× SDHI (25 MB/s), 1× QSPIX (quad-SPI fetch), 2× 12-bit S12AD (8+12 ch) - consolidates connectivity and storage in edge-node designs. |
| Package | PLQP0144KA-B: 144-pin LFQFP, 20 × 20 mm, 0.50-mm pitch, –40°C to +85°C (D-version) - compatible with standard reflow profiles and industrial PCB layouts. |
| Power | 2.7–3.6 V supply, four low-power modes (deep software standby with 4 KB backup RAM), VBATT-supported RTC - extends battery life in portable and energy-harvesting applications. |
Pinout & Package
Package: PLQP0144KA-B - 144-pin Low-profile Quad Flat Package, 20 × 20 mm body, 0.50-mm lead pitch, exposed thermal pad, RoHS-compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / AVCC0 / AVCC1 | Core & analog power supply | Separate 2.7–3.6 V domains enable noise isolation between digital logic and 12-bit ADC/S12AD units. |
| VBATT | Backup power input | Supplies RTC, backup registers, and sub-clock oscillator during main power loss - maintains timekeeping and state retention. |
| XTAL / EXTAL | Main clock oscillator terminals | Supports 8–24 MHz crystal resonator for high-accuracy system timing and USB 2.0 FS clock derivation. |
| RES# | Active-low reset input | Asynchronous hardware reset with internal pull-up; triggers full system initialization including MPU and flash controller. |
| USB_DP / USB_DM | USB 2.0 full-speed differential pair | Integrated transceiver eliminates external PHY; supports host, function, and OTG roles with 2 KB on-chip buffer. |
| SD0_CMD / SD0_CLK / SD0_DAT0–3 | SD host interface signals | Direct 4-bit SD bus interface compliant with SD Physical Layer Spec v3.01 - enables local firmware storage and data logging. |
Key Features
| Feature | Design Value |
|---|---|
| Dual-bank flash architecture | Enables seamless firmware update: new image programmed in inactive bank while active bank executes - zero downtime deployment. |
| Capacitive touch sensing unit (CTSUa) | Supports 17 self-capacitance keys or 64 mutual-capacitance keys - eliminates mechanical buttons in industrial HMI panels with ESD-hardened I/O. |
| Event Link Controller (ELC) | 99 internal event signals routed without CPU intervention - reduces latency in time-critical sequences like PWM-triggered ADC sampling. |
| IEC60730 safety functions | Oscillation-stop detection, CRC-A for flash, IWDTa windowed watchdog, A/D self-diagnostic - satisfies Class B functional safety certification. |
| Remote control signal receiver (REMCa) | Hardware-accelerated IR pattern matching (header/data0/data1/special) with 8-byte FIFO - offloads CPU in smart home gateway applications. |
Applications
| Industrial HMI Panel | Smart Electricity Meter |
|---|---|
|
Use Scenario: Touch-enabled front panel with real-time energy display, tariff switching, and tamper detection. IC Role / Device Role / Timing Role: Main application MCU managing CTSUa touch interface, SDHI for log storage, CAN for utility communication, and RTC for billing timestamping. Use Value: Dual-bank flash allows secure OTA updates; TSIP encrypts metering data; 12-bit S12AD (unit 1) measures temperature for accuracy compensation. |
Use Scenario: DIN-rail mounted meter with pulse counting, load profiling, and remote firmware upgrade over PLC or RF mesh. IC Role / Device Role / Timing Role: System controller executing IEC62056 protocol stack, driving isolated CAN/RS485 PHYs, and managing secure boot via TSIP. Use Value: IEC60730-compliant self-tests validate ADC, clock, and memory integrity; 4 KB standby RAM preserves billing counters during brownouts. |
| Home Energy Gateway | Programmable Logic Controller (PLC) Edge Node |
|
Use Scenario: Aggregating Zigbee/Z-Wave sensors, controlling HVAC via IR, and reporting to cloud via Ethernet/Wi-Fi bridge. IC Role / Device Role / Timing Role: Protocol translation hub using REMCa for IR remote control, USB for dongle connectivity, and QSPIX for fast boot from serial flash. Use Value: Hardware REMCa decodes NEC/RC5 protocols without CPU load; USB OTG supports field diagnostics via USB stick; TSIP secures OTA payloads. |
Use Scenario: Compact distributed I/O module with analog inputs, digital outputs, and fieldbus connectivity in factory automation. IC Role / Device Role / Timing Role: Real-time motion controller running EtherCAT slave stack, synchronizing MTU3a PWM outputs with TPUa encoder inputs. Use Value: 120 MHz RXv3 core ensures <10 µs jitter in servo loop; dual 12-bit S12AD units sample current/voltage simultaneously; CAN handles master coordination. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 32-bit industrial MCU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F5671EHDFB#10 | Same RX671 Group, 144-pin LFQFP, but with 1.5 MB flash and -40°C to +105°C (G-version) rating. | Targeted at extended-temperature environments like automotive under-hood or outdoor utility enclosures. | Select when higher ambient temperature tolerance and reduced flash capacity are acceptable trade-offs. |
| R5F566TEADFP#30 | RX66T Group, 100-pin LQFP, 160 MHz CPU, no TSIP, no SDHI, no QSPIX, but enhanced MTU3 timers for motor control. | Optimized for inverter drives and servo amplifiers where PWM precision outweighs security/storage needs. | Choose for high-performance motor control where AES/SHA and SD card support are unnecessary. |
Compared with R5F5671CDGFB#10, the R5F5671EHDFB#10 offers extended temperature operation at lower flash density, while the R5F566TEADFP#30 trades security and connectivity for higher PWM resolution and CPU speed - making each suitable for distinct industrial subsystems rather than drop-in replacements.
Availability
R5F5671CDGFB#10 is available at Aetrix Electronics and suitable for industrial HMI, smart metering, home energy gateways, and PLC edge nodes requiring stable component supply across multi-year production cycles.
Supply support for R5F5671CDGFB#10 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 specializing in microcontrollers, analog, power, and SoC solutions for automotive, industrial, and IoT markets.
The RX671 Group - including R5F5671CDGFB#10 - is designed for secure, real-time industrial edge devices demanding high-integration, functional safety compliance, and long-term supply stability.
FAQ
What is the maximum operating frequency and CoreMark score of the R5F5671CDGFB#10?
The R5F5671CDGFB#10 operates at a maximum frequency of 120 MHz and achieves 707 CoreMark - measured per EEMBC methodology - confirming deterministic real-time performance for industrial control loops and protocol stacks. Its RXv3 core delivers single-cycle instruction execution and 113 optimized instructions, including DSP and floating-point extensions essential for sensor processing in the R5F5671CDGFB#10.
Does the R5F5671CDGFB#10 support secure firmware updates and cryptographic acceleration?
Yes, the R5F5671CDGFB#10 integrates Trusted Secure IP (TSIP) with hardware-accelerated AES128/192/256, SHA256, RSA, ECC, and a true random number generator (TRNG). It supports secure boot, encrypted firmware decryption, and key protection - enabling end-to-end OTA update security. These capabilities are validated per IEC60730 Class B and are integral to the R5F5671CDGFB#10's certified safety architecture.
What package type and pin count does the R5F5671CDGFB#10 use?
The R5F5671CDGFB#10 uses the PLQP0144KA-B package: a 144-pin Low-profile Quad Flat Package measuring 20 × 20 mm with 0.50-mm pitch and an exposed thermal pad. This RoHS-compliant package supports industrial temperature range (–40°C to +85°C) and is compatible with standard surface-mount assembly processes - a key mechanical specification confirmed in the R5F5671CDGFB#10 datasheet Rev.1.20.
Which communication interfaces are integrated into the R5F5671CDGFB#10?
The R5F5671CDGFB#10 integrates CAN (2 channels, 32 mailboxes), USB 2.0 Full-Speed host/function/OTG, SD host interface (SDHI), Quad-SPI (QSPIX), multiple SCI/SCIh/SCIm channels (13 total), RIIC/RIICHS (I²C up to 3.4 Mbps), RSPId/RSPIA (SPI), and RSCI with Manchester encoding. These interfaces enable direct connectivity to industrial networks, memory cards, sensors, and legacy protocols - all verified in the R5F5671CDGFB#10's peripheral specification table.
How does the R5F5671CDGFB#10 support functional safety standards like IEC60730?
The R5F5671CDGFB#10 includes dedicated hardware for IEC60730 Class B compliance: oscillation-stop detection, CRC-A for flash integrity, windowed independent watchdog timer (IWDTa), A/D converter self-diagnostic, register write protection, and memory protection unit (MPU). These features are documented in the R5F5671CDGFB#10 datasheet Section 1.1 and enable certified safe operation in household appliances and industrial controls.
R5F5671CDGFB#10 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 144-LQFP
- Series:
- RX671
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- RXv3
- Core Size:
- 32-Bit Single-Core
- Speed:
- 120MHz
- Connectivity:
- CANbus, I2C, LINbus, QSPI, SCI, SPI, USB
- Peripherals:
- Capacitive Touch, DMA, LVD, POR, PWM, WDT
- Number of I/O:
- 113
- Program Memory Size:
- 1.5MB (1.5M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 8K x 8
- RAM Size:
- 384K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.7V ~ 3.6V
- Data Converters:
- A/D 20x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F5671CDGFB#10 FAQ
1.How can I place an order for R5F5671CDGFB#10 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F5671CDGFB#10 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 R5F5671CDGFB#10 reliable?
The price and inventory of R5F5671CDGFB#10 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F5671CDGFB#10 is usually 5 days.
3.What payment methods are accepted for R5F5671CDGFB#10?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F5671CDGFB#10 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F5671CDGFB#10?
R5F5671CDGFB#10 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F5671CDGFB#10 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 R5F5671CDGFB#10?
For technical support, including R5F5671CDGFB#10 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F5671CDGFB#10 requirements.
6.How does Aetrix verify that R5F5671CDGFB#10 is sourced from the original manufacturer or authorized distributors?
All R5F5671CDGFB#10 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 R5F5671CDGFB#10 meets industry standards.
7.What is the process for return or replacement of R5F5671CDGFB#10?
All R5F5671CDGFB#10 units undergo pre-shipment inspection (PSI). If there is an issue with R5F5671CDGFB#10, 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 R5F5671CDGFB#10 part is unused and in its original packaging.
Return procedure for R5F5671CDGFB#10:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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