Renesas R5F5671EHGFB#10
- Part No.:
- R5F5671EHGFB#10
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
R5F5671EHGFB#10.pdf
- Description:
- IC MCU 32BIT 2MB FLASH 144LQFP
- Quantity:
- Payment:

- Shipping:

Inventory:4,751
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Product details
Overview
R5F5671EHGFB#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, smart metering, and connected appliance control systems.
For engineers reviewing the R5F5671EHGFB#10 datasheet, R5F5671EHGFB#10 pinout, R5F5671EHGFB#10 application, or R5F5671EHGFB#10 equivalent, key selection criteria include its 145-pin TFLGA (0.65 mm pitch) package, -40°C to +105°C G-grade temperature rating, IEC60730-compliant safety features (TSIP, MPU, self-diagnostic A/D), and real-time clock with battery-backed operation.
Technical Context
The R5F5671EHGFB#10 implements the RXv3 CPU core with 113 instructions, including 21 double-precision floating-point operations and collective register bank save for fast context switching. Its clock system integrates PLL, sub-clock oscillator (32.768 kHz), and dedicated 120-kHz IWDT oscillator - enabling independent timing domains for ICLK (120 MHz), PCLKA (120 MHz), and PCLKB (60 MHz).
Peripheral architecture includes three DMA controllers (DMACAb: 8 channels, EXDMACa: 2 channels, DTCb: 1 channel), event-link controller (ELC) supporting 99 internal signals, and segmented external bus with 8 CS areas (up to 128 MB SDRAM). The CTSUa supports mutual-capacitance matrix up to 17×, while S12ADFa provides two 12-bit A/D units with self-diagnostic and disconnection detection.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | RXv3 32-bit, 120 MHz max, 707 CoreMark, double-precision FPU, 16 register banks |
| Memory | 2 MB code flash (dual-bank, BGO programming), 8 KB data flash (100k cycles), 384 KB SRAM (no wait states) |
| Package & Temp | PTLG0145JC-A (145-pin TFLGA, 9 × 9 mm, 0.65 mm pitch), G-grade: –40°C to +105°C |
| Peripherals | 2× CAN (32 mailboxes/channel), 1× USB 2.0 FS host/function/OTG, 1× SDHI (25 MB/s), 1× QSPIX, 13× SCI, 3× RSPId, 1× RIICHS (3.4 Mbps) |
| Security & Safety | Trusted Secure IP (TSIP) with AES128/192/256, RSA, ECC, TRNG, SHA256; MPU (8 regions); IEC60730 compliance support |
| Analog & Timing | Two 12-bit S12AD units (8+12 ch), CTSUa (17-key self-cap or 64-key mutual-cap), RTC with battery backup, 25+ timers including MTU3a and TPUa |
Pinout & Package
PTLG0145JC-A is a 145-pin thin fine-pitch land grid array (TFLGA) package measuring 9 × 9 mm with 0.65 mm pitch, designed for high-density PCB layouts and thermal efficiency in industrial control modules.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC, AVCC0, AVCC1 | Power supply inputs | Core/analog domain supplies (2.7–3.6 V); AVCC0/AVCC1 power analog peripherals including A/D and RTC |
| VBATT | Backup power input | Enables RTC, backup registers, and sub-clock oscillator during main power loss |
| RES# | Active-low reset input | Hardware reset assertion; internal POR/LVD also generate reset independently |
| CLKIN, CLKOUT | External crystal interface | Supports 8–24 MHz crystal for main clock oscillator; CLKOUT provides buffered system clock output |
| USB_DP, USB_DM | USB 2.0 full-speed differential pair | Integrated transceiver eliminates need for external pull-ups; supports host/function/OTG modes |
| SD0_CMD, SD0_CLK, SD0_DAT0–3 | SD host interface signals | 1- or 4-bit SD bus interface compliant with SD Physical Layer Spec v3.01 (no DDR) |
Key Features
| Feature | Design Value |
|---|---|
| Dual-bank flash architecture | Enables seamless firmware updates via bank swap without halting execution - critical for OTA-capable industrial gateways |
| Trusted Secure IP (TSIP) | Hardware-accelerated crypto engine with key protection prevents firmware cloning and enables secure boot verification |
| Capacitive touch sensing unit (CTSUa) | Supports mutual-capacitance matrix up to 17× (64 keys) with built-in noise rejection - eliminates external touch controller in HMI designs |
| IEC60730-compliant safety functions | Includes oscillation-stop detection, CRC-accelerated memory checking, A/D self-diagnostic, and register write protection for Class B certification |
| Event Link Controller (ELC) | 99 internal event signals routed without CPU intervention - reduces latency for time-critical sensor-to-PWM response (e.g., motor control) |
Applications
| Industrial HMI Panels | Smart Energy Meters |
|---|---|
|
Use Scenario: Touch-enabled front-panel interface with real-time energy display, tariff switching, and tamper detection. IC Role / Device Role / Timing Role: Main application MCU handling GUI rendering, capacitive touch decoding, RTC-based billing cycles, and secure firmware updates. Use Value: Integrated CTSUa and TSIP eliminate external touch controller and crypto IC; dual-bank flash enables field-upgradable meter firmware without service interruption. |
Use Scenario: DIN-rail mounted electricity meter with pulse counting, communication via CAN/RS485, and secure data logging. IC Role / Device Role / Timing Role: System controller managing metrology interface (via SPI), CAN bus for utility network, and encrypted storage of consumption history. Use Value: 2 MB flash stores full firmware + encrypted logs; TSIP ensures data integrity per IEC62056; 12-bit A/D supports auxiliary sensor monitoring. |
| Connected Home Appliances | Building Automation Controllers |
|
Use Scenario: Wi-Fi/BLE gateway appliance (e.g., HVAC controller) requiring local decision logic, USB diagnostics, and SD card logging. IC Role / Device Role / Timing Role: Local intelligence hub interfacing with sensors, executing control algorithms, and buffering logs to SD card via SDHI. Use Value: SDHI (25 MB/s) enables rapid firmware recovery from SD; USB 2.0 FS simplifies field service; 384 KB SRAM accommodates RTOS + protocol stacks. |
Use Scenario: BACnet/IP or KNX gateway aggregating Modbus RTU devices, performing schedule-based HVAC control, and reporting to cloud. IC Role / Device Role / Timing Role: Protocol translation engine with CAN, RS485 (SCI), and Ethernet MAC interface (external PHY), plus RTC-synchronized scheduling. Use Value: 13-channel SCI supports multiple legacy field buses; RTC with battery backup maintains schedules during power loss; MPU isolates protocol stacks for reliability. |
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 |
|---|---|---|---|
| R5F566TEHGFB#10 | Same RX66T core family but lower max frequency (160 MHz vs 120 MHz), no TSIP, 1 MB flash, no SDHI or QSPIX | Targeted at motor control only; lacks security, storage, and HMI peripherals needed for R5F5671EHGFB#10's use cases | Select only when cost-sensitive motor drive is sole requirement and security/storage not needed |
| R7FA6M2AF3CFB#AA0 | RXv3-based RA6M2 (Arm Cortex-M4F), 100 MHz, 1 MB flash, 256 KB SRAM, no CTSU or TSIP, supports TrustZone | Arm ecosystem alignment preferred; lacks integrated touch and hardware crypto acceleration of TSIP | Choose for Arm toolchain continuity or where TrustZone suffices instead of TSIP-level key protection |
Compared with R5F5671EHGFB#10, the R5F566TEHGFB#10 omits security and storage interfaces essential for certified metering, while the R7FA6M2AF3CFB#AA0 trades TSIP and CTSU for Arm compatibility and TrustZone - making R5F5671EHGFB#10 uniquely suited for secure, touch-enabled, SD/QSPIX-equipped industrial edge nodes.
Availability
R5F5671EHGFB#10 is available at Aetrix Electronics and suitable for industrial HMI, smart metering, and building automation applications requiring stable component supply, long lifecycle assurance, and automotive-grade temperature resilience.
Supply support for R5F5671EHGFB#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 industrial, automotive, and enterprise markets.
The RX671 Group - including R5F5671EHGFB#10 - is engineered for high-integrity industrial edge applications demanding real-time performance, functional safety, cryptographic security, and rich human-machine interface capabilities.
FAQ
What is the maximum operating frequency and core architecture of the R5F5671EHGFB#10?
The R5F5671EHGFB#10 operates at a maximum frequency of 120 MHz using the 32-bit RXv3 CPU core, delivering 707 CoreMark performance. It includes double-precision IEEE-754 floating-point support, 113 instructions (including DSP and FPU extensions), and a collective register bank save function enabling fast interrupt response. This architecture is optimized for deterministic real-time control in industrial applications.
Which package and temperature grade does the R5F5671EHGFB#10 use?
R5F5671EHGFB#10 uses the PTLG0145JC-A package: a 145-pin thin fine-pitch land grid array (TFLGA) measuring 9 × 9 mm with 0.65 mm pitch. It is rated for the G-grade industrial temperature range of –40°C to +105°C, making it suitable for deployment in harsh environments such as factory floors and outdoor metering enclosures.
Does the R5F5671EHGFB#10 support secure firmware updates and cryptographic operations?
Yes, the R5F5671EHGFB#10 integrates Trusted Secure IP (TSIP) supporting AES128/192/256, RSA, ECC, SHA256, and a true random number generator (TRNG). Its dual-bank flash enables background firmware updates with bank swapping, while TSIP protects keys from illicit copying and accelerates secure boot verification - fulfilling IEC60730 Class B requirements.
What communication interfaces are available on the R5F5671EHGFB#10 for industrial connectivity?
The R5F5671EHGFB#10 provides extensive industrial connectivity: 2× CAN (ISO11898-1, 32 mailboxes/channel), 1× USB 2.0 FS host/function/OTG, 1× SD host interface (25 MB/s), 1× QSPIX for serial flash, 13× SCI (including LIN/Manchester), 3× RSPId, 1× RIICHS (3.4 Mbps), and 2× RSCI with HBS support - enabling robust multi-protocol fieldbus integration.
How does the R5F5671EHGFB#10 support capacitive touch and analog sensing in HMI applications?
R5F5671EHGFB#10 integrates a dedicated Capacitive Touch Sensing Unit (CTSUa) supporting up to 64 keys via mutual-capacitance matrix (17 pins), with built-in noise cancellation. It also includes two 12-bit A/D converters (S12ADFa) with self-diagnostic, disconnection detection, and programmable sampling - enabling reliable touch panels and auxiliary sensor monitoring without external components.
R5F5671EHGFB#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:
- 2MB (2M 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:
R5F5671EHGFB#10 FAQ
1.How can I place an order for R5F5671EHGFB#10 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F5671EHGFB#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 R5F5671EHGFB#10 reliable?
The price and inventory of R5F5671EHGFB#10 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F5671EHGFB#10 is usually 5 days.
3.What payment methods are accepted for R5F5671EHGFB#10?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F5671EHGFB#10 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F5671EHGFB#10?
R5F5671EHGFB#10 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F5671EHGFB#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 R5F5671EHGFB#10?
For technical support, including R5F5671EHGFB#10 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F5671EHGFB#10 requirements.
6.How does Aetrix verify that R5F5671EHGFB#10 is sourced from the original manufacturer or authorized distributors?
All R5F5671EHGFB#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 R5F5671EHGFB#10 meets industry standards.
7.What is the process for return or replacement of R5F5671EHGFB#10?
All R5F5671EHGFB#10 units undergo pre-shipment inspection (PSI). If there is an issue with R5F5671EHGFB#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 R5F5671EHGFB#10 part is unused and in its original packaging.
Return procedure for R5F5671EHGFB#10:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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