Renesas R5F5671CDDFP#30
- Part No.:
- R5F5671CDDFP#30
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
R5F5671CDDFP#30.pdf
- Description:
- IC MCU 32BIT 1.5MB FLASH 100LQFP
- Quantity:
- Payment:

- Shipping:

Inventory:180
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Product details
Overview
R5F5671CDDFP#30 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 connected appliance control systems.
For engineers reviewing the R5F5671CDDFP#30 datasheet, R5F5671CDDFP#30 pinout, R5F5671CDDFP#30 application, or R5F5671CDDFP#30 equivalent, key selection considerations include its 144-pin LFQFP package, dual-bank flash for safe firmware updates, TSIP-based AES256/SHA256 encryption, IEC60730-compliant safety features, and 12-bit A/D converter with self-diagnostic capability.
Technical Context
The R5F5671CDDFP#30 implements the RXv3 CPU core with 113 instructions, 16 general-purpose 32-bit registers, and hardware support for double-precision floating-point arithmetic (21 instructions). It integrates a memory protection unit (MPU) with eight configurable regions and supports little- or 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), enabling independent domain clocks: ICLK up to 120 MHz, PCLKA up to 120 MHz (for MTU/RSPI/SCIm), PCLKB up to 60 MHz (for most peripherals), and ADCLK up to 60 MHz per A/D unit.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | RXv3 32-bit, 120 MHz max, 707 CoreMark score - enables real-time deterministic control with high computational throughput. |
| Memory | 1 MB code flash (dual-bank), 8 KB data flash (100k write cycles), 384 KB SRAM (no wait states) - supports background programming and robust firmware update strategies. |
| Analog Peripherals | Two 12-bit A/D units (8 + 12 channels), temperature sensor (±1°C), self-diagnostic voltage generation - meets IEC60730 Class B requirements for analog integrity. |
| Security & Safety | Trusted Secure IP (TSIP) with AES128/192/256, SHA256, TRNG, and MPU - provides hardware-rooted cryptographic services and memory access isolation. |
| Communication Interfaces | 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) - enables mixed wired connectivity in edge nodes. |
| Timers & Control | MTU3a (9-channel), TPUa (6-channel), CMT/CMTW, IWDTa with window function - delivers precise PWM generation, encoder input, and fail-safe timing supervision. |
| Package & Environment | PLQP0144KA-B (144-pin LFQFP, 20 × 20 mm, 0.50-mm pitch), –40°C to +85°C (D-version) - suitable for industrial PCB layouts with thermal and mechanical reliability. |
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 | Power supply inputs | Separate digital/analog domains; 2.7–3.6 V operation with independent LVD monitoring per rail. |
| VBATT | Backup power supply | Enables RTC, backup registers, and sub-clock oscillator retention during main power loss. |
| RES# | Active-low reset input | Hardware reset assertion; synchronous release after POR and voltage stabilization. |
| XTAL/EXTAL | Main crystal oscillator terminals | Supports 8–24 MHz external crystal; oscillation-stoppage detection triggers safety interrupt. |
| RTCIN/RTCOUT | 32.768 kHz sub-clock oscillator | Connects to external tuning-fork crystal; enables battery-backed real-time calendar operation. |
| TXD0/RXD0 | SCI0 asynchronous serial interface | Dedicated UART pins for debug console or host communication; supports LIN framing via SCIh. |
| TXD1/RXD1 | SCI1 asynchronous serial interface | Second UART channel; usable for modem, sensor bridge, or bootloader communication. |
| USB_DP/USB_DM | USB 2.0 full-speed differential pair | Integrated transceiver; no external pull-ups required - simplifies USB device/host implementation. |
| SD_CLK/SD_CMD/SD_DAT0–3 | SD host interface signals | 1- or 4-bit SD bus support; compliant with SD Physical Layer Spec v3.01 (no DDR). |
| QSPIX_IO0–3 | Quad-SPI memory interface | Direct execution from serial NOR flash; supports extended/dual/quad SPI protocols. |
| CTX0–CTX16 | Capacitive touch sensing inputs | 17-channel CTSU supporting self- and mutual-capacitance modes - enables up to 64-key touch panels. |
| AD00–AD11 | Analog input channels | 8-channel S12AD0 and 12-channel S12AD1; each supports disconnection detection and digital comparison. |
| MTIOC0A–MTIOC8A | MTU3a waveform I/O | 9-channel timer output capable of complementary PWM with programmable dead time - drives 3-phase inverters. |
| CAN0_TX/CAN0_RX | CAN channel 0 differential interface | ISO11898-1 compliant; 32 mailbox buffers enable prioritized message handling in automotive-grade networks. |
| CAN1_TX/CAN1_RX | CAN channel 1 differential interface | Independent second CAN controller - supports redundant networking or multi-bus gateway applications. |
Key Features
| Feature | Design Value |
|---|---|
| Dual-bank flash architecture | Enables seamless firmware updates without halting application execution - critical for OTA-capable industrial devices. |
| IEC60730-compliant safety suite | Includes oscillation-stoppage detection, CRC-A for flash, IWDTa with window mode, A/D self-test, and register write protection - satisfies Class B functional safety requirements. |
| Trusted Secure IP (TSIP) | Hardware-accelerated AES256/SHA256/TRNG prevents key extraction and ensures secure boot, firmware signing, and encrypted storage. |
| Event Link Controller (ELC) | 99 internal event signals routed without CPU intervention - reduces latency and ISR overhead for time-critical peripheral coordination. |
| Capacitive Touch Sensing Unit (CTSUa) | 17-pin self-capacitance or matrix-based mutual-capacitance support - eliminates need for external touch controller in HMI designs. |
| Low-power operation modes | Four modes including deep software standby with 4 KB retained RAM - extends battery life in portable or energy-harvesting systems. |
Applications
| Industrial HMI Panel | Smart Energy Meter |
|---|---|
|
Use Scenario: Embedded display controller with touch interface, real-time data logging, and local network connectivity in factory-floor operator terminals. IC Role / Device Role / Timing Role: Main application processor executing RTOS, managing CTSU-driven touch UI, driving SD card for log storage, and communicating via CAN/USB to PLCs or gateways. Use Value: Integrated QSPIX enables fast boot from serial flash; dual-bank flash allows field-upgradable firmware without downtime; TSIP secures configuration data against tampering. |
Use Scenario: DIN-rail mounted electricity meter with tariff switching, tamper detection, and DLMS/COSEM protocol stack over PLC or RF mesh. IC Role / Device Role / Timing Role: System-on-chip controller handling metrology interface (via A/D), RTC-based billing, secure key management, and communication stack offload. Use Value: IEC60730-certified self-tests ensure long-term measurement integrity; backup RAM retains billing counters during brownouts; CAN interface supports legacy AMI infrastructure. |
| Home Appliance Gateway | Medical Patient Monitor Interface |
|
Use Scenario: Central hub aggregating BLE/Wi-Fi sensor data, translating to CAN/USB for legacy appliances, and providing local web UI via embedded HTTP server. IC Role / Device Role / Timing Role: Connectivity orchestrator running lightweight TCP/IP stack, managing multiple serial interfaces (SCI/RSPI), and hosting secure OTA update service. Use Value: USB 2.0 FS host supports plug-and-play diagnostics dongles; SDHI enables local firmware backup; 120 MHz CPU handles concurrent crypto and protocol translation. |
Use Scenario: Front-end interface module for bedside monitors, acquiring ECG/SpO₂ signals, rendering waveforms on LCD, and transmitting alerts via USB or CAN to central station. IC Role / Device Role / Timing Role: Real-time signal acquisition controller with synchronized A/D sampling, waveform buffering in SRAM, and deterministic USB HID report generation. Use Value: 12-bit A/D with self-diagnostic confirms analog path health before patient use; low-jitter MTU3a timers ensure precise ECG sampling intervals; TSIP protects HIPAA-compliant data at rest. |
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 |
|---|---|---|---|
| R5F5670EDDFP#30 | Same RX671 Group, 2 MB flash, 120 MHz, but 144-pin LFQFP with identical pinout and peripheral set - differs only in flash size and part marking. | Preferred where larger firmware image (e.g., dual-application or enhanced crypto stack) is required without layout change. | Select when >1 MB flash is needed; otherwise R5F5671CDDFP#30 offers optimal cost/performance balance for mid-size applications. |
| R5F566TEADFP#30 | RX66T Group part: 160 MHz CPU, 1 MB flash, focused on motor control (3× MTU3, 3× CMTW), lacks SDHI, QSPIX, and TSIP - different safety/security feature set. | Suitable for servo/inverter control where PWM precision dominates over connectivity and security. | Choose R5F566TEADFP#30 only for high-performance motor drive; R5F5671CDDFP#30 remains superior for connected, secure, multi-interface applications. |
Compared with R5F5670EDDFP#30, the R5F5671CDDFP#30 trades 1 MB less flash for identical peripheral integration and lower unit cost - ideal for applications with constrained firmware footprints. Against R5F566TEADFP#30, it emphasizes connectivity (USB/SD/QSPIX) and security (TSIP) over raw motor-control timing resolution.
Availability
R5F5671CDDFP#30 is available at Aetrix Electronics and suitable for industrial HMI, smart metering, and home appliance gateway designs requiring stable component supply, long lifecycle support, and traceable sourcing.
Supply support for R5F5671CDDFP#30 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 delivering trusted embedded solutions for automotive, industrial, infrastructure, and IoT applications.
The RX671 Group is designed for secure, connected industrial edge devices - integrating high-performance MCUs with hardware security, rich connectivity, and functional safety features for next-generation smart equipment.
FAQ
What is the maximum operating frequency and CoreMark score of the R5F5671CDDFP#30?
The R5F5671CDDFP#30 operates at a maximum frequency of 120 MHz and achieves 707 CoreMark points under standard 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 - making it suitable for real-time control and signal processing tasks in the R5F5671CDDFP#30.
Does the R5F5671CDDFP#30 support secure firmware updates and cryptographic operations?
Yes, the R5F5671CDDFP#30 includes Trusted Secure IP (TSIP) with hardware acceleration for AES128/192/256, SHA256, TRNG, and RSA/ECC key generation. Its dual-bank flash architecture enables atomic firmware updates - verified by TSIP signatures - ensuring integrity and authenticity during R5F5671CDDFP#30 field deployments.
What are the supported package and temperature grade options for the R5F5671CDDFP#30?
The R5F5671CDDFP#30 is offered exclusively in the PLQP0144KA-B package: a 144-pin LFQFP with 20 × 20 mm footprint and 0.50-mm pitch. It is rated for the D-version industrial temperature range of –40°C to +85°C - validated across voltage (2.7–3.6 V) and frequency (up to 120 MHz) specifications in the R5F5671CDDFP#30 datasheet.
Which communication interfaces does the R5F5671CDDFP#30 integrate for industrial connectivity?
The R5F5671CDDFP#30 integrates two CAN 2.0B controllers (32 mailboxes each), USB 2.0 Full-Speed host/function/OTG, SD host interface (25 MB/s), Quad-SPI (QSPIX) for serial flash execution, three I²C channels (including RIICHS at 3.4 Mbps), and up to 13 SCI channels - enabling robust multi-protocol connectivity in industrial gateways and R5F5671CDDFP#30-based edge nodes.
How does the R5F5671CDDFP#30 meet IEC60730 Class B safety requirements?
The R5F5671CDDFP#30 implements multiple IEC60730 Class B features: oscillation-stoppage detection, CRC-A for flash memory, independent watchdog timer (IWDTa) with window mode, A/D converter self-diagnostic, register write protection, and voltage-monitoring circuits with configurable thresholds - all documented in the R5F5671CDDFP#30 functional safety manual and validated per Renesas' certified safety library.
R5F5671CDDFP#30 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 100-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:
- 80
- 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 16x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F5671CDDFP#30 FAQ
1.How can I place an order for R5F5671CDDFP#30 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F5671CDDFP#30 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 R5F5671CDDFP#30 reliable?
The price and inventory of R5F5671CDDFP#30 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F5671CDDFP#30 is usually 5 days.
3.What payment methods are accepted for R5F5671CDDFP#30?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F5671CDDFP#30 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F5671CDDFP#30?
R5F5671CDDFP#30 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F5671CDDFP#30 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 R5F5671CDDFP#30?
For technical support, including R5F5671CDDFP#30 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F5671CDDFP#30 requirements.
6.How does Aetrix verify that R5F5671CDDFP#30 is sourced from the original manufacturer or authorized distributors?
All R5F5671CDDFP#30 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 R5F5671CDDFP#30 meets industry standards.
7.What is the process for return or replacement of R5F5671CDDFP#30?
All R5F5671CDDFP#30 units undergo pre-shipment inspection (PSI). If there is an issue with R5F5671CDDFP#30, 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 R5F5671CDDFP#30 part is unused and in its original packaging.
Return procedure for R5F5671CDDFP#30:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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