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Renesas R5F5651CHGLJ#20
- Part No.:
- R5F5651CHGLJ#20
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 100-TFLGA
- Datasheet:
-
R5F5651CHGLJ#20.pdf
- Description:
- IC MCU 32BIT 1.5MB FLSH 100TFLGA
- Quantity:
- Payment:
- Shipping:
Inventory:416
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Product details
Overview
R5F5651CHGLJ#20 from Renesas is a 32-bit RXv2 core MCU operating at up to 120 MHz (240 DMIPS), featuring 1 MB on-chip code flash, 256 KB SRAM, single-precision IEEE-754 FPU, Ethernet MAC, dual CAN channels, SD host/slave interfaces, and hardware AES-128/192/256 encryption - deployed in industrial HMI gateways requiring real-time protocol bridging and secure local data processing.
For engineers reviewing the R5F5651CHGLJ#20 datasheet, R5F5651CHGLJ#20 pinout, R5F5651CHGLJ#20 application, or R5F5651CHGLJ#20 equivalent, key selection criteria include its 176-pin LFBGA package (PLQP0176KB-A), 120-MHz deterministic timing, dual-bank flash for safe firmware updates, integrated GLCDC+DRW2D for embedded graphics, and IEC60730-compliant safety features including CRC, IWDT, and register write protection.
Technical Context
The R5F5651CHGLJ#20 implements the RXv2 CISC Harvard architecture with 5-stage pipeline, variable-length instructions, and MPU-enforced memory protection. It integrates dedicated clock domains: ICLK up to 120 MHz for CPU execution, PCLKA up to 120 MHz for high-speed peripherals (ETHERC, GLCDC, DRW2D), and PCLKB up to 60 MHz for timers and ADCs.
Its peripheral subsystem includes a full-featured Ethernet controller (MII/RMII, 10/100 Mbps), two ISO11898-1 CAN channels with 32 mailboxes each, and three independent serial interfaces (SCIg/h/i) supporting asynchronous, SPI-like, and I²C-like modes - all coordinated via the Event Link Controller (ELC) to minimize CPU intervention.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | RXv2 32-bit CISC with 5-stage pipeline, 240 DMIPS @ 120 MHz |
| Flash Memory | 1 MB code flash with dual-bank structure enabling background programming and safe firmware swap |
| SRAM | 256 KB on-chip SRAM (no wait states @ 120 MHz), plus 8 KB standby RAM with VBATT backup |
| ADC/DAC | Two 12-bit A/D converters (8 + 21 channels); two 12-bit D/A converters with buffered/unbuffered output |
| Communication | Ethernet MAC (10/100 Mbps), 2× CAN, 3× RSPI, 1× QSPI, 3× I²C (up to 1 Mbps), 13× SCI, SDHI/SDSI/MMCIF |
| Security | AES-128/192/256, Trusted Secure IP (TSIP), CRC calculator (8/32-bit), register write protection, MPU (8 regions) |
| Package | PLQP0176KB-A: 176-pin LFBGA, 24 × 24 mm, 0.5-mm pitch, –40°C to +85°C (D-version) |
Pinout & Package
Package: PLQP0176KB-A - 176-pin Low-Profile Fine-Pitch Ball Grid Array (LFBGA), 24 mm × 24 mm, 0.5 mm pitch, lead-free, RoHS compliant. Thermal pad exposed on underside for enhanced heat dissipation in industrial ambient conditions.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / AVCC0 / AVCC1 | Power supply inputs | Separate digital (VCC) and analog (AVCC0/AVCC1) rails enable noise isolation for ADC/DAC operation |
| VBATT | Battery backup supply | Provides power to RTC and standby RAM during main VCC dropout - critical for timekeeping in unattended systems |
| XTAL / EXTAL | Main crystal oscillator terminals | Supports 8–24 MHz external crystal for precise system clock generation and Ethernet timing compliance |
| MD0 / MD1 | Mode setting pins | Determine boot mode (SCI/USB/FINE) and single-chip vs. extended mode at reset release |
| ETH_MDC / ETH_MDIO | PHY management interface | IEEE 802.3-compliant MDIO/MDC interface for configuring external Ethernet PHY registers |
| TXD0 / RXD0 | SCI0 asynchronous UART | Primary debug/console interface; supports auto-baud detection and LIN frame format via SCIh |
| CRX0 / CTX0 | CAN0 differential transceiver | Direct connection to ISO11898-1 compliant CAN bus; 32 configurable mailboxes support prioritized message handling |
| SD0DAT0–3 / SD0CMD / SD0CLK | SD host interface signals | 4-bit SD bus supporting high-speed mode (25 MB/s); CRC7/CRC16 error checking ensures robust storage integrity |
Key Features
| Feature | Design Value |
|---|---|
| IEC60730 Class B Support | Oscillation-stop detection, CRC self-test, IWDT windowing, A/D self-diagnostic, and register write protection meet functional safety requirements for household appliances and industrial controls |
| Graphics Acceleration | Integrated GLCDC + DRW2D enables real-time rendering of layered GUIs (3 planes) with hardware-accelerated bit blitting, rotation, and vector drawing - eliminating need for external GPU |
| Secure Firmware Execution | Trusted Memory (TM) function restricts instruction fetches to protected code flash regions, preventing unauthorized readout while allowing CPU execution - essential for IP protection |
| Low-Power Operation | Four low-power modes (Sleep, All-module Clock Stop, Software Standby, Deep Software Standby) achieve 0.19 mA/MHz typical active current and sub-μA deep standby with RTC retention |
| Event-Driven Architecture | Event Link Controller (ELC) enables direct peripheral-to-peripheral triggering (e.g., TPU PWM edge → A/D conversion start), reducing CPU load and interrupt latency by >90% in deterministic control loops |
Applications
| Industrial HMI Gateway | Smart Energy Meter Hub |
|---|---|
Use Scenario: Aggregates Modbus RTU/ASCII data from field sensors and bridges to Ethernet/IP or MQTT over TLS to cloud platforms. IC Role / Device Role / Timing Role: Central protocol translator and secure edge processor; uses dual CAN + Ethernet + SDHI for concurrent fieldbus and network connectivity. Use Value: Dual-bank flash allows seamless OTA firmware updates without service interruption; TSIP accelerates TLS handshake for encrypted telemetry transmission. | Use Scenario: Hosts metrology firmware, manages tamper-detection logic, logs consumption data to SD card, and communicates via PLC or RF mesh networks. IC Role / Device Role / Timing Role: Metrology co-processor and secure data logger; leverages 12-bit dual A/D with self-diagnostic for precision voltage/current sampling. Use Value: IEC60730-certified safety functions (CRC, IWDT, register lock) satisfy EN62056-21 and IEC62056-61 compliance for revenue-grade metering. |
| Building Automation Controller | Medical Infusion Pump UI |
Use Scenario: Controls HVAC actuators, monitors environmental sensors, displays status on color LCD, and connects to BACnet/IP backbone. IC Role / Device Role / Timing Role: Real-time motion controller and GUI engine; GLCDC drives 480×272 RGB display while DRW2D renders animated flow diagrams. Use Value: Hardware-accelerated 2D graphics offloads CPU, enabling <10 ms UI refresh cycles; 5-V tolerant GPIOs interface directly with legacy 24 V DC sensor inputs. | Use Scenario: Manages motor control, pressure sensing, alarm logic, and touch-based operator interface in battery-powered infusion devices. IC Role / Device Role / Timing Role: Safety-critical UI and control hub; uses standby RAM + VBATT to retain therapy state during battery swaps. Use Value: Temperature sensor + internal A/D provides on-chip thermal monitoring for pump motor; AES encryption secures patient dose history stored in data flash. |
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 |
|---|---|---|---|
| R5F5651EHGLJ#20 | Same RX651 Group silicon; differs only in temperature grade (G-version: –40°C to +105°C vs. D-version) | Suitable for under-hood automotive or high-ambient industrial enclosures where extended thermal range is required | Select R5F5651EHGLJ#20 when operating ambient exceeds +85°C; pinout, firmware, and peripheral configuration are identical |
| R5F5661CHGLJ#20 | RX661 Group successor: higher 160 MHz CPU, larger 2 MB flash, added USB HS, but no GLCDC/DRW2D | Better for compute-intensive tasks (e.g., protocol stack offload), less suitable for graphics-rich HMIs due to missing display controllers | Choose R5F5661CHGLJ#20 for future-proofing in non-graphic applications; migration requires peripheral driver updates and layout review |
Compared with R5F5651CHGLJ#20, the R5F5651EHGLJ#20 offers identical functionality at extended temperature, while the R5F5661CHGLJ#20 trades integrated graphics acceleration for higher CPU performance and USB HS - making the former ideal for thermal-hardened deployments and the latter for bandwidth-constrained protocol gateway upgrades.
Availability
R5F5651CHGLJ#20 is available at Aetrix Electronics and suitable for industrial HMI gateways, smart energy meter hubs, building automation controllers, and medical infusion pump UIs requiring stable component supply across multi-year production cycles.
Supply support for R5F5651CHGLJ#20 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 RX651 Group - to which R5F5651CHGLJ#20 belongs - was designed for cost-sensitive industrial HMI and protocol gateway applications requiring integrated graphics, Ethernet, CAN, and functional safety certification without external memory or display controllers.
FAQ
What is the maximum operating frequency and CPU architecture of the R5F5651CHGLJ#20?
The R5F5651CHGLJ#20 features a 32-bit RXv2 CPU core with a maximum operating frequency of 120 MHz, delivering 240 DMIPS performance. Its CISC Harvard architecture includes a 5-stage pipeline, variable-length instructions, and support for single-precision IEEE-754 floating-point operations - enabling deterministic real-time control and efficient signal processing in applications like industrial HMIs and protocol gateways where the R5F5651CHGLJ#20 serves as the central processing unit.
Does the R5F5651CHGLJ#20 support secure firmware updates and cryptographic operations?
Yes, the R5F5651CHGLJ#20 integrates AES-128/192/256 encryption engines, Trusted Secure IP (TSIP), and a CRC calculator supporting multiple polynomials for 8- and 32-bit data. Its Trusted Memory (TM) function protects code flash regions from unauthorized readout while permitting CPU execution, and dual-bank flash enables background programming and safe firmware swapping - all critical for secure OTA updates in field-deployed devices using the R5F5651CHGLJ#20.
What display and graphics capabilities does the R5F5651CHGLJ#20 provide?
The R5F5651CHGLJ#20 includes a Graphic-LCD Controller (GLCDC) supporting 3-layer superposition (background, graphic 1, graphic 2) and a 2D Drawing Engine (DRW2D) for hardware-accelerated bit blitting, rotation, and vector drawing. It supports RGB, CLUT, and YUV formats up to 32 bpp and drives displays up to 800×480 resolution - eliminating the need for external graphics ICs in applications such as industrial HMIs where the R5F5651CHGLJ#20 serves as the primary UI processor.
How does the R5F5651CHGLJ#20 meet IEC60730 Class B safety requirements?
The R5F5651CHGLJ#20 meets IEC60730 Class B through integrated safety mechanisms including oscillation-stop detection, CRC self-test (CRCA), windowed independent watchdog timer (IWDTa), A/D converter self-diagnostic, and register write protection. These features are documented in Renesas' IEC60730 compliance guide for the RX651 Group and are implemented in hardware - enabling certified functional safety in household appliances and industrial controls where the R5F5651CHGLJ#20 operates as the safety-critical controller.
What are the supported communication interfaces on the R5F5651CHGLJ#20?
The R5F5651CHGLJ#20 supports Ethernet MAC (10/100 Mbps MII/RMII), two ISO11898-1 CAN channels (32 mailboxes each), three RSPI, one QSPI, three I²C (up to 1 Mbps), 13 SCI channels (asynchronous, SPI-like, I²C-like), SD host/slave interfaces, and MMCIF. This comprehensive set enables simultaneous fieldbus (CAN), wired network (Ethernet), local storage (SD), and human interface (touch/LCD) connectivity - making the R5F5651CHGLJ#20 ideal for converged industrial gateway designs.
R5F5651CHGLJ#20 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 100-TFLGA
- Series:
- RX651
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- RXv2
- Core Size:
- 32-Bit
- Speed:
- 120MHz
- Connectivity:
- CANbus, EBI/EMI, Ethernet, I2C, LINbus, MMC/SD, QSPI, SCI, SPI, UART/USART, USB
- Peripherals:
- DMA, LVD, POR, PWM, WDT
- Number of I/O:
- 78
- Program Memory Size:
- 1.5MB (1.5M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 32K x 8
- RAM Size:
- 640K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.7V ~ 3.6V
- Data Converters:
- A/D 22x12b; D/A 1x12b
- Oscillator Type:
- External
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F5651CHGLJ#20 FAQ
1.How can I place an order for R5F5651CHGLJ#20 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F5651CHGLJ#20 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 R5F5651CHGLJ#20 reliable?
The price and inventory of R5F5651CHGLJ#20 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F5651CHGLJ#20 is usually 5 days.
3.What payment methods are accepted for R5F5651CHGLJ#20?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F5651CHGLJ#20 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F5651CHGLJ#20?
R5F5651CHGLJ#20 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F5651CHGLJ#20 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 R5F5651CHGLJ#20?
For technical support, including R5F5651CHGLJ#20 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F5651CHGLJ#20 requirements.
6.How does Aetrix verify that R5F5651CHGLJ#20 is sourced from the original manufacturer or authorized distributors?
All R5F5651CHGLJ#20 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 R5F5651CHGLJ#20 meets industry standards.
7.What is the process for return or replacement of R5F5651CHGLJ#20?
All R5F5651CHGLJ#20 units undergo pre-shipment inspection (PSI). If there is an issue with R5F5651CHGLJ#20, 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 R5F5651CHGLJ#20 part is unused and in its original packaging.
Return procedure for R5F5651CHGLJ#20:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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