Renesas R5F5671CDGFM#10
- Part No.:
- R5F5671CDGFM#10
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
R5F5671CDGFM#10.pdf
- Description:
- IC MCU 32BIT 1.5MB FLASH 64LQFP
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
R5F5671CDGFM#10 from Renesas is a 32-bit RXv3 microcontroller operating at up to 120 MHz, featuring double-precision IEEE-754 FPU, 1 MB on-chip code flash, 384 KB SRAM, and integrated CAN, USB 2.0 FS, SD host interface, QSPIX, and capacitive touch sensing - deployed in industrial HMI, smart metering, and secure IoT edge nodes.
For engineers reviewing the R5F5671CDGFM#10 datasheet, R5F5671CDGFM#10 pinout, R5F5671CDGFM#10 application, or R5F5671CDGFM#10 equivalent, key selection criteria include dual-bank flash for safe firmware updates, TSIP-based AES256/SHA256 encryption, IEC60730-compliant self-test features, and 114 GPIO with 5-V tolerance across its 144-pin LFQFP package.
Technical Context
The R5F5671CDGFM#10 implements the RXv3 CPU core with 113 instructions, including DSP and floating-point extensions, and supports little- or big-endian data arrangement. It integrates a memory protection unit (MPU) with eight configurable regions and leverages event linking (ELC) to synchronize peripheral triggers without CPU intervention.
Its clock system combines external crystal (8–24 MHz), sub-clock (32.768 kHz), and internal oscillators (LOCO/HOCO/IWDT-dedicated), enabling independent domain clocks: ICLK up to 120 MHz for CPU/QSPIX, PCLKA up to 120 MHz for MTU/RSPI, and PCLKB up to 60 MHz for most peripherals and ADCs.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | RXv3 32-bit, 120 MHz max - delivers 707 CoreMark; supports double-precision FPU and register bank save for fast context switching. |
| Memory | 1 MB code flash (dual-bank), 8 KB data flash (100k write cycles), 384 KB SRAM (no wait states), 4 KB standby RAM - enables robust firmware update and RTC backup. |
| Peripherals | 2× CAN (ISO11898-1, 32 mailboxes/channel), 1× USB 2.0 FS host/function/OTG, 1× SDHI (25 MB/s), 1× QSPIX (fetch from serial flash), 2× 12-bit S12AD (8+12 ch). |
| Security & Safety | Trusted Secure IP (TSIP) with AES128/192/256, SHA256, TRNG, and IEC60730 support including CRC, IWDT, A/D self-diagnostic, and register write protection. |
| Package & I/O | 144-pin LFQFP (PLQP0144KA-B, 20 × 20 mm, 0.50 mm pitch), 113 GPIO with 5-V tolerance, open-drain, pull-up, and switchable drive strength. |
| Operating Range | −40°C to +85°C (D-version), single 2.7–3.6 V supply, four low-power modes including deep software standby with VBATT backup for RTC and registers. |
Pinout & Package
Package: PLQP0144KA-B - 144-pin Low-profile Quad Flat Package, 20 × 20 mm body, 0.50 mm pitch, exposed thermal pad.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC, AVCC0, AVCC1 | Power supply inputs | Core/analog power domains; require decoupling per datasheet layout guidelines to ensure stable 2.7–3.6 V operation and ADC accuracy. |
| VBATT | Backup power input | Supplies RTC, sub-clock oscillator, and backup registers during main power loss - enables timekeeping continuity in battery-backed systems. |
| RES#, RESET | Reset input/output | Active-low asynchronous reset; internal POR/LVD ensures reliable initialization under voltage transients or brown-out conditions. |
| XTAL, EXTAL | Main clock crystal terminals | Support 8–24 MHz external crystal; paired with on-chip PLL to generate 120 MHz ICLK - critical for timing-critical peripherals like USB and SDHI. |
| USB_DP, USB_DM | USB 2.0 full-speed differential pair | Integrated transceiver eliminates external PHY; supports host/function/OTG with 2 KB on-chip buffer - reduces BOM and PCB area for connected devices. |
| SD_CLK, SD_CMD, SD_DAT0–3 | SD host interface signals | Direct 4-bit SD bus interface compliant with SD Physical Layer Spec v3.01 - enables local storage, firmware logging, or field-upgrade capability without external controller. |
Key Features
| Feature | Design Value |
|---|---|
| Dual-bank flash architecture | Enables background programming and seamless bank swapping - allows over-the-air firmware updates without halting real-time operation. |
| Trusted Secure IP (TSIP) | Hardware-accelerated AES256/SHA256/TRNG with key protection - meets IEC62443-3-3 SL2 requirements for secure boot and encrypted communication. |
| Event Link Controller (ELC) | 99 internal event sources routed without CPU overhead - synchronizes timer-triggered ADC sampling, PWM dead-time insertion, or CAN TX/RX with precise timing. |
| Capacitive Touch Sensing Unit (CTSUa) | Supports 17 self-capacitance keys or 64 mutual-capacitance keys - enables robust, low-power touch HMI without external ICs or calibration drift. |
| IEC60730 Class B compliance support | Includes oscillation-stop detection, CRC-A, IWDTa, A/D self-test, and register lock - reduces certification effort for household appliances and industrial controls. |
Applications
| Industrial HMI Panel | Smart Energy Meter |
|---|---|
|
Use Scenario: Embedded display controller with touch interface, real-time data logging, and secure remote firmware updates via cellular or LoRaWAN. IC Role / Device Role / Timing Role: Main application MCU handling GUI rendering, capacitive touch decoding, SDHI-based log storage, and TSIP-secured OTA updates. Use Value: Dual-bank flash prevents service interruption during updates; CTSUa eliminates mechanical buttons; QSPIX enables fast boot from external flash. |
Use Scenario: DIN-rail mounted electricity meter with tamper detection, pulse counting, tariff switching, and DLMS/COSEM protocol stack. IC Role / Device Role / Timing Role: System-on-chip managing metrology interface (via S12AD), RTC-driven tariff scheduling, CAN/RS485 comms, and IEC60730 safety monitoring. Use Value: Built-in LVD and IWDTa satisfy metering safety standards; 12-bit ADC with self-diagnostic ensures measurement integrity; VBATT-backed RTC maintains billing accuracy. |
| Secure IoT Gateway | Home Automation Controller |
|
Use Scenario: Edge gateway aggregating Zigbee/Z-Wave sensors, running TLS-secured MQTT to cloud, and hosting local automation logic. IC Role / Device Role / Timing Role: Central secure processor executing TLS handshake (via TSIP), managing USB-connected dongles, and buffering sensor data in SRAM before transmission. Use Value: Hardware crypto offloads CPU; USB 2.0 FS supports plug-and-play dongle integration; 384 KB SRAM accommodates multiple concurrent protocol stacks. |
Use Scenario: Wall-mounted control panel with capacitive touch keys, audio feedback via SSIE, and local Zigbee/Thread radio coexistence. IC Role / Device Role / Timing Role: HMI controller driving touch UI, generating I2S audio, managing CAN-connected HVAC actuators, and coordinating RF coexistence via ELC-triggered timing. Use Value: CTSUa provides waterproof, wear-resistant interface; SSIE supports stereo audio playback; CAN and SCI channels enable multi-protocol device management. |
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 |
|---|---|---|---|
| R5F5670EDGFM#10 | Same RX671 family, 2 MB flash, 120 MHz, but 144-pin LFQFP with identical pinout - differs only in flash size and part marking. | Preferred where larger firmware image or future feature expansion is required; no hardware change needed. | Select when >1 MB code space is needed; otherwise R5F5671CDGFM#10 offers optimal cost/performance balance for 1 MB use cases. |
| R7FA6M2AF3CFP#AA0 | RX671 successor (RA6M2), Arm Cortex-M4F, 100 MHz, 1 MB flash, 256 KB SRAM, same 144-pin LFQFP footprint but different pin assignment and peripheral set. | Targets migration path toward Arm ecosystem; lacks TSIP, CTSU, and SDHI - requires redesign for those functions. | Choose only for new Arm-based designs; not a drop-in replacement - pinout, register map, and driver compatibility differ significantly. |
Compared with R5F5671CDGFM#10, the R5F5670EDGFM#10 provides identical functionality with increased flash capacity, while the R7FA6M2AF3CFP#AA0 represents a platform shift requiring full revalidation - making the former a true capacity variant and the latter a non-interchangeable architectural alternative.
Availability
R5F5671CDGFM#10 is available at Aetrix Electronics and suitable for industrial HMI, smart metering, and secure IoT edge nodes requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.
Supply support for R5F5671CDGFM#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 is a global semiconductor leader specializing in microcontrollers, analog, power, and SoC solutions for automotive, industrial, and enterprise applications.
The R5F5671CDGFM#10 belongs to the RX671 Group - designed for high-integrity industrial control, secure connectivity, and human-machine interaction with integrated safety, crypto, and rich peripheral sets.
FAQ
What is the maximum operating frequency and CoreMark score of the R5F5671CDGFM#10?
The R5F5671CDGFM#10 operates at a maximum frequency of 120 MHz and achieves 707 CoreMark under benchmark conditions. This performance stems from the RXv3 CPU core's efficient instruction pipeline, double-precision FPU, and zero-wait-state access to 384 KB SRAM - all confirmed in the official R01DS0373EJ0120 datasheet Rev.1.20.
Does the R5F5671CDGFM#10 support secure firmware updates?
Yes, the R5F5671CDGFM#10 supports secure firmware updates via its dual-bank flash architecture and Trusted Secure IP (TSIP). The dual-bank structure allows background programming of one bank while executing from the other, and TSIP provides hardware-accelerated AES256 decryption and SHA256 signature verification - both essential for authenticated, interrupt-free OTA updates.
What package type and pin count does the R5F5671CDGFM#10 use?
The R5F5671CDGFM#10 uses a 144-pin Low-profile Quad Flat Package (LFQFP) designated PLQP0144KA-B - measuring 20 × 20 mm with 0.50 mm pitch and an exposed thermal pad. It provides 113 GPIO pins, including 20 with 5-V tolerance, as specified in Table 1.2 of the R01DS0373EJ0120 datasheet.
Which communication interfaces are integrated into the R5F5671CDGFM#10?
The R5F5671CDGFM#10 integrates CAN (2 channels, ISO11898-1), USB 2.0 Full-Speed host/function/OTG, SD host interface (SDHI), Quad-SPI (QSPIX), multiple SCI/RSPI/I²C variants, and remote control signal receiver (REMC). These are fully documented in Section 1.1 and Table 1.1 of the R01DS0373EJ0120 datasheet.
Is the R5F5671CDGFM#10 qualified for IEC60730 Class B compliance?
Yes, the R5F5671CDGFM#10 includes dedicated hardware features for IEC60730 Class B compliance: oscillation-stop detection, CRC-A accelerator, independent watchdog timer (IWDTa), A/D converter self-diagnostic, and register write protection. These are explicitly listed in the "Useful functions for IEC60730 compliance" section of the R01DS0373EJ0120 datasheet.
R5F5671CDGFM#10 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 64-LQFP
- Series:
- RX671
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- RXv3
- Core Size:
- 32-Bit Single-Core
- Speed:
- 120MHz
- Connectivity:
- I2C, LINbus, QSPI, SCI, SPI, USB
- Peripherals:
- Capacitive Touch, DMA, LVD, POR, PWM, WDT
- Number of I/O:
- 44
- 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 10x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F5671CDGFM#10 FAQ
1.How can I place an order for R5F5671CDGFM#10 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F5671CDGFM#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 R5F5671CDGFM#10 reliable?
The price and inventory of R5F5671CDGFM#10 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F5671CDGFM#10 is usually 5 days.
3.What payment methods are accepted for R5F5671CDGFM#10?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F5671CDGFM#10 transactions.
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4.How is shipping managed for R5F5671CDGFM#10?
R5F5671CDGFM#10 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F5671CDGFM#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 R5F5671CDGFM#10?
For technical support, including R5F5671CDGFM#10 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F5671CDGFM#10 requirements.
6.How does Aetrix verify that R5F5671CDGFM#10 is sourced from the original manufacturer or authorized distributors?
All R5F5671CDGFM#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 R5F5671CDGFM#10 meets industry standards.
7.What is the process for return or replacement of R5F5671CDGFM#10?
All R5F5671CDGFM#10 units undergo pre-shipment inspection (PSI). If there is an issue with R5F5671CDGFM#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 R5F5671CDGFM#10 part is unused and in its original packaging.
Return procedure for R5F5671CDGFM#10:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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