Renesas R5F5671CDDFM#10
- Part No.:
- R5F5671CDDFM#10
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
R5F5671CDDFM#10.pdf
- Description:
- IC MCU 32BIT 1.5MB FLASH 64LQFP
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
R5F5671CDDFM#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 and smart metering systems requiring real-time control and secure firmware updates.
For engineers reviewing the R5F5671CDDFM#10 datasheet, R5F5671CDDFM#10 pinout, R5F5671CDDFM#10 application, or R5F5671CDDFM#10 equivalent, key selection criteria include its 144-pin LFQFP package, dual-bank flash for safe OTA updates, TSIP-based AES256/SHA256 encryption, IEC60730-compliant self-test features, and 12-bit A/D converter with analog input disconnection detection.
Technical Context
The R5F5671CDDFM#10 implements the RXv3 CPU core with collective register bank save, memory protection unit (MPU), and JTAG/FINE debug interfaces. It integrates dual-clock domain operation: ICLK up to 120 MHz for CPU and QSPIX, and PCLKA/PCLKB up to 120 MHz/60 MHz respectively for peripherals including MTU3a timers, RIICHS, and S12AD converters.
Its peripheral architecture supports deterministic real-time behavior via Event Link Controller (ELC), enabling hardware-triggered actions between modules - e.g., TPUa output compare events directly initiating A/D conversion or SDHI DMA requests - eliminating CPU intervention for time-critical signal chains.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | RXv3 32-bit, 120 MHz max, 707 CoreMark score - enables high-throughput deterministic control loops without external co-processing. |
| Memory | 1 MB dual-bank code flash (no-wait ≤60 MHz), 384 KB SRAM (no-wait at 120 MHz), 8 KB data flash (100k erase cycles) - supports background programming and fail-safe firmware updates. |
| FPU | Double-precision IEEE-754 coprocessor with 16×64-bit registers - accelerates floating-point math for motor control algorithms and sensor fusion. |
| Security | Trusted Secure IP (TSIP) with AES128/192/256, SHA256, TRNG, and key protection - meets IEC60730 Class B and secure boot requirements. |
| Analog | Two 12-bit S12AD units (8+12 ch), 0.48 µs conversion time, self-diagnostic and analog disconnection detection - ensures reliable sensor monitoring in harsh environments. |
| Connectivity | CAN 2.0B (2 channels, 32 mailboxes), USB 2.0 FS host/function, SDHI (25 MB/s), QSPIX (quad-SPI fetch), RIICHS (3.4 Mbps) - enables mixed wired/wireless edge node interfacing. |
| Package | PLQP0144KA-B: 144-pin LFQFP, 20 × 20 mm, 0.50-mm pitch, –40°C to +85°C - compatible with standard reflow profiles and industrial PCB layouts. |
Pinout & Package
PLQP0144KA-B is a 144-pin Low-profile Quad Flat Package (LFQFP) with 0.50-mm pitch, 20 × 20 mm body, and exposed thermal pad. Pin functions are defined per Renesas R01DS0373EJ0120 Rev.1.20, Table 1.2 (Page 12).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC, AVCC0, AVCC1 | Power supply inputs | Separate digital/analog domains enable noise isolation; AVCC0/AVCC1 power S12AD units and RTC backup circuitry. |
| VBATT | Backup power input | Supplies RTC, sub-clock oscillator, and backup registers during main power loss - critical for energy meter timekeeping. |
| RES# | Active-low reset input | Hardware reset assertion; internal POR/LVD circuits generate automatic resets on VCC ramp-up or brownout. |
| XTAL/EXTAL | Main crystal oscillator terminals | Supports 8–24 MHz crystal; PLL multiplies to 120 MHz system clock - provides stable timing for USB and CAN bit rates. |
| USB_DP/USB_DM | USB 2.0 full-speed differential pair | Integrated transceiver eliminates external PHY; supports host/function/OTG modes with 2 KB on-chip buffer. |
| SD0_CMD, SD0_CLK, SD0_DAT[3:0] | SD host interface signals | Direct connection to SD memory cards or SDIO peripherals (e.g., Wi-Fi modules); supports 4-bit bus mode at 25 MB/s. |
Key Features
| Feature | Design Value |
|---|---|
| Dual-bank flash architecture | Enables seamless firmware updates: new image programmed into inactive bank while active bank executes - zero downtime for field upgrades. |
| Event Link Controller (ELC) | Hardware interconnect between 99 internal event sources and peripherals - eliminates interrupt latency for time-critical sequences like PWM-triggered ADC sampling. |
| Capacitive Touch Sensing Unit (CTSUa) | Supports 17 self-capacitance keys or 64 mutual-capacitance keys - enables robust touch HMI without external ICs in space-constrained designs. |
| IEC60730 compliance support | Oscillation-stop detection, CRC-accelerated memory test, IWDT windowing, and A/D self-diagnostic - reduces certification effort for safety-critical appliances. |
| Temperature sensor + S12AD integration | On-die thermal sensor digitized by S12AD unit 1 - provides system temperature monitoring with ±1°C relative accuracy, no external components required. |
Applications
| Industrial HMI Panel | Smart Energy Meter |
|---|---|
Use Scenario: Touch-enabled operator interface for PLC-controlled machinery with real-time status display and parameter adjustment. IC Role / Device Role / Timing Role: Main application processor handling GUI rendering, capacitive touch decoding, CAN bus communication with controllers, and secure firmware updates. Use Value: Integrated CTSUa and TSIP eliminate external touch controller and crypto ICs; dual-bank flash enables remote OTA updates without service visits. | Use Scenario: Revenue-grade electricity meter with metrology ASIC interface, tamper detection, and wireless communication via SDIO-connected module. IC Role / Device Role / Timing Role: System controller managing RTC-corrected time stamping, SDHI-driven wireless telemetry, secure key storage, and IEC60730 self-tests. Use Value: VBATT-backed RTC maintains accurate billing timestamps during outages; TSIP-secured SDIO interface prevents unauthorized firmware injection into comms module. |
| Motor Drive Control Unit | Building Automation Gateway |
Use Scenario: Compact inverter controller for HVAC compressors using sensorless FOC, with CAN diagnostics and USB configuration port. IC Role / Device Role / Timing Role: Real-time motion controller executing FOC algorithms on RXv3+FPU, generating complementary PWM via MTU3a, and sampling current sensors via S12AD. Use Value: 120 MHz CPU + double-precision FPU delivers <5 µs loop times; MTU3a's dead-time compensation and synchronous PWM ensure clean gate drive signals. | Use Scenario: Protocol translator connecting BACnet MS/TP field devices to Ethernet/IP backbone via RS485 and Ethernet PHY. IC Role / Device Role / Timing Role: Bridge processor running dual protocol stacks, managing UART-to-Ethernet packet routing, and maintaining secure TLS sessions via TSIP. Use Value: Multiple SCI/RSPI channels handle concurrent serial protocols; TSIP offloads SHA256/TLS handshake computation from main application thread. |
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 |
|---|---|---|---|
| R5F5671EDDFM#10 | Same RX671 Group, 2 MB flash (vs. 1 MB), identical pinout and peripheral set. | Required where larger firmware image size or future feature expansion is anticipated. | Select when >1 MB code space needed; otherwise R5F5671CDDFM#10 offers optimal cost/performance balance. |
| R5F566TEBDFP#30 | RX66T Group, 160 MHz, 1 MB flash, optimized for motor control (more MTU channels, higher PWM resolution). | Better suited for servo drives requiring >100 kHz PWM switching or multi-axis coordination. | Choose only if advanced motor control features outweigh RX671's security and HMI capabilities. |
Compared with R5F5671EDDFM#10, the R5F5671CDDFM#10 trades flash capacity for lower unit cost while retaining identical security, connectivity, and real-time performance - making it ideal for cost-sensitive HMI and metering designs. Against R5F566TEBDFP#30, it prioritizes embedded security and human interface features over raw motor control throughput.
Availability
R5F5671CDDFM#10 is available at Aetrix Electronics and suitable for industrial HMI, smart energy metering, motor drive control, and building automation gateway applications requiring stable component supply, long-term lifecycle support, and traceable sourcing.
Supply support for R5F5671CDDFM#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 headquartered in Tokyo, Japan, specializing in microcontrollers, analog, power, and SoC solutions for automotive, industrial, and IoT markets.
The RX671 Group targets industrial and consumer applications demanding high performance, functional safety, and embedded security - designed specifically for HMI, metering, and gateway devices needing rich connectivity and certified runtime integrity.
FAQ
What is the maximum operating frequency and CoreMark score of the R5F5671CDDFM#10?
The R5F5671CDDFM#10 operates at a maximum frequency of 120 MHz and achieves 707 CoreMark points under benchmark conditions. This performance level is enabled by the RXv3 CPU core's efficient pipeline and dual-bank flash with ROM cache - allowing deterministic execution of complex control algorithms in real-time industrial applications. The R5F5671CDDFM#10 sustains this speed across its full voltage range (2.7–3.6 V) and temperature range (–40°C to +85°C).
Does the R5F5671CDDFM#10 support secure firmware updates and cryptographic operations?
Yes, the R5F5671CDDFM#10 integrates Trusted Secure IP (TSIP) supporting AES128/192/256, SHA256, RSA, ECC, and a true random number generator. Its dual-bank flash architecture allows background programming of the inactive bank while the active bank runs - enabling atomic, fail-safe firmware updates. These features collectively satisfy IEC60730 Class B requirements and are essential for secure boot and OTA update workflows in the R5F5671CDDFM#10.
What package type and pin count does the R5F5671CDDFM#10 use?
The R5F5671CDDFM#10 uses the PLQP0144KA-B package: a 144-pin Low-profile Quad Flat Package with 0.50-mm pitch, 20 × 20 mm body size, and exposed thermal pad. This LFQFP variant is rated for –40°C to +85°C operation and is fully compatible with standard surface-mount assembly processes. Pin assignments match Renesas' RX671 Group specification R01DS0373EJ0120 Rev.1.20.
How many A/D converter channels and what resolution does the R5F5671CDDFM#10 provide?
The R5F5671CDDFM#10 integrates two independent 12-bit S12AD units: Unit 0 offers 8 input channels, and Unit 1 offers 12 input channels. Resolution is software-selectable at 8-, 10-, or 12-bit modes, with minimum conversion times of 0.42 µs (8-bit), 0.45 µs (10-bit), and 0.48 µs (12-bit). Both units include self-diagnostic and analog input disconnection detection - critical for reliability in R5F5671CDDFM#10-based sensor monitoring systems.
Which communication interfaces are integrated into the R5F5671CDDFM#10?
The R5F5671CDDFM#10 integrates CAN 2.0B (2 channels, 32 mailboxes), USB 2.0 Full-Speed host/function/OTG, SD host interface (25 MB/s), QSPIX (quad-SPI flash fetch), RIICHS (3.4 Mbps), multiple SCI/RSPI channels, and RSCI with Manchester encoding. This comprehensive suite enables direct interfacing with industrial fieldbuses, wireless modules via SDIO, secure element ICs over I²C, and legacy serial peripherals - all within a single R5F5671CDDFM#10 device.
R5F5671CDDFM#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 ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F5671CDDFM#10 FAQ
1.How can I place an order for R5F5671CDDFM#10 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F5671CDDFM#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 R5F5671CDDFM#10 reliable?
The price and inventory of R5F5671CDDFM#10 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F5671CDDFM#10 is usually 5 days.
3.What payment methods are accepted for R5F5671CDDFM#10?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F5671CDDFM#10 transactions.
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R5F5671CDDFM#10 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F5671CDDFM#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 R5F5671CDDFM#10?
For technical support, including R5F5671CDDFM#10 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F5671CDDFM#10 requirements.
6.How does Aetrix verify that R5F5671CDDFM#10 is sourced from the original manufacturer or authorized distributors?
All R5F5671CDDFM#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 R5F5671CDDFM#10 meets industry standards.
7.What is the process for return or replacement of R5F5671CDDFM#10?
All R5F5671CDDFM#10 units undergo pre-shipment inspection (PSI). If there is an issue with R5F5671CDDFM#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 R5F5671CDDFM#10 part is unused and in its original packaging.
Return procedure for R5F5671CDDFM#10:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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