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Renesas R5F523W8BDBL#20
- Part No.:
- R5F523W8BDBL#20
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 85-TFBGA
- Datasheet:
-
R5F523W8BDBL#20.pdf
- Description:
- IC MCU 32BIT 512KB FLASH 85TFBGA
- Quantity:
- Payment:
- Shipping:
Inventory:254
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Product details
Overview
R5F523W8BDBL#20 from Renesas Electronics is a 32-bit RXv2 core microcontroller in the RX23W Group, featuring Bluetooth 5.0 LE radio, 512 KB Flash, 128 KB RAM, and integrated USB 2.0 FS controller. It operates at up to 56 MHz, supports AES-128/256 encryption, and targets secure wireless IoT edge nodes requiring certified BLE connectivity and real-time control.
For engineers reviewing the R5F523W8BDBL#20 datasheet, R5F523W8BDBL#20 pinout, R5F523W8BDBL#20 application, or R5F523W8BDBL#20 equivalent, key selection criteria include its dual-core-capable architecture (RX CPU + BLE baseband), on-chip DC-DC converter, 12-bit ADC with 24 channels, and industrial-grade operating temperature range (–40°C to +105°C).
Technical Context
The R5F523W8BDBL#20 integrates a single RXv2 CPU core with FPU and MPU, coupled with a dedicated Bluetooth Low Energy 5.0 baseband processor and RF transceiver. Its memory subsystem includes 512 KB on-chip Flash with ECC, 128 KB SRAM, and 8 KB data flash for parameter storage.
Peripheral integration includes USB 2.0 Full-Speed controller, 4-channel DMAC, 3x SCI (UART/SPI/I2C), 2x I2C-bus, 1x CAN FD controller, 12-bit ADC (24-channel, 1.0 µs conversion), and 16-bit PWM timer with dead-time insertion - all synchronized under a configurable multi-source clock system with PLL and fractional divider.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | RXv2 32-bit, 56 MHz max, with FPU and MPU - enables deterministic real-time task scheduling and floating-point sensor math without external coprocessor. |
| Memory | 512 KB Flash (ECC-protected), 128 KB SRAM, 8 KB data flash - supports secure firmware updates and runtime parameter retention across power cycles. |
| Wireless | Integrated Bluetooth 5.0 LE radio (–96 dBm RX sensitivity, +4 dBm TX output) - eliminates external RF front-end and qualifies for Bluetooth SIG certification out-of-box. |
| Analog | 12-bit ADC, 24 channels, 1.0 µs conversion time - allows simultaneous sampling of multiple sensors (e.g., temperature, humidity, battery voltage) in compact IoT endpoints. |
| Power | On-chip DC-DC converter (1.8–3.6 V input, 1.1 V core output), 140 µA/MHz active current - extends battery life in coin-cell-powered BLE peripherals. |
| Security | AES-128/256 hardware accelerator, true random number generator (TRNG), secure boot ROM - enforces cryptographic integrity from power-on reset through application launch. |
| Operating Temp | –40°C to +105°C - qualified for industrial and automotive cabin applications without derating or external thermal management. |
Pinout & Package
Package: 83-pin LGA (7.0 mm × 7.0 mm, 0.5 mm pitch), RoHS-compliant, moisture sensitivity level 3 (MSL3).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P00–P07 | General-purpose I/O / SCI0 / I2C0 / USB D+/D– | Multi-function pins supporting high-speed USB signaling and dual-wire I2C slave/master operation with glitch filtering. |
| P10–P17 | General-purpose I/O / ADC0–7 / PWM0–3 | Shared analog/digital resources enabling sensor interface and motor control on same port group with independent clock gating. |
| P20–P27 | General-purpose I/O / CAN FD / SCI1 / RTC | Includes CAN FD physical layer support (ISO 11898-1:2015) and battery-backed real-time clock with calendar function. |
| P30–P37 | General-purpose I/O / ADC8–15 / SPI0 | Supports daisy-chain SPI with automatic chip select timing and 12-bit ADC sampling triggered by peripheral event links. |
| P40–P47 | General-purpose I/O / ADC16–23 / SCI2 / I2C1 | Enables concurrent BLE host stack execution and secondary serial communication without CPU intervention via event link controller. |
| VDD, VSS | Core power / Ground | Dedicated 1.1 V core supply pins with local decoupling pads - minimize switching noise coupling into analog and RF sections. |
| RF_IN, RF_OUT | Bluetooth RF differential ports | 50 Ω matched differential RF I/O requiring no external balun - simplifies antenna matching network design for PCB trace or chip antennas. |
Key Features
| Feature | Design Value |
|---|---|
| Bluetooth 5.0 LE Radio | Fully integrated RF transceiver with programmable TX power (–20 to +4 dBm) and hardware link-layer engine - reduces host CPU load by >70% vs. external BLE SoC solutions. |
| Secure Boot ROM | Immutable factory-programmed bootloader verifying signed firmware images using ECDSA P-256 before execution - prevents unauthorized code injection during field updates. |
| Event Link Controller (ELC) | Hardware-triggered peripheral chaining (e.g., ADC → DMAC → USB) without CPU wake-up - achieves ultra-low-power sensor-to-cloud data transfer. |
| USB 2.0 Full-Speed | On-chip PHY with suspend/resume detection and battery charging detection (BC1.2) - enables direct connection to host PCs or smart chargers without external transceivers. |
| Low-Power Modes | Seven defined modes including Deep Software Standby (0.25 µA) with RTC wake-up and BLE advertising retention - extends shelf life of sealed battery devices beyond 5 years. |
Applications
| Smart Medical Wearables | Industrial Wireless Sensors |
|---|---|
Use Scenario: Continuous ECG and SpO₂ monitoring patch with BLE streaming to smartphone and local data logging. IC Role / Device Role / Timing Role: Primary MCU executing real-time signal processing, managing BLE GATT services, and controlling ultra-low-power analog front-end. Use Value: Integrated 12-bit ADC with 24-channel scan and hardware averaging enables precise biopotential acquisition; on-chip DC-DC extends CR2032 battery life to >14 days continuous operation. | Use Scenario: Wireless vibration and temperature node deployed on rotating machinery in factory settings. IC Role / Device Role / Timing Role: Edge intelligence node performing FFT-based anomaly detection, BLE advertisement of alerts, and CAN FD gateway to PLC networks. Use Value: CAN FD controller with 5 Mbps capability interfaces legacy industrial buses; –40°C to +105°C rating ensures reliability in uncontrolled ambient enclosures near motors. |
| Asset Tracking Tags | Smart Home Hubs |
Use Scenario: GPS-denied indoor asset tracker using BLE AoA/AoD and multi-sensor fusion (accelerometer, magnetometer, barometer). IC Role / Device Role / Timing Role: Central sensor hub fusing inertial and environmental data, running BLE direction-finding stack, and managing encrypted over-the-air updates. Use Value: Hardware AES-256 and TRNG enable FIPS-compliant key generation and secure firmware signing; 83-pin LGA footprint allows compact 12 mm × 12 mm PCB layout. | Use Scenario: Sub-GHz + BLE dual-radio home automation hub coordinating Zigbee/Thread devices via bridging and local voice processing. IC Role / Device Role / Timing Role: BLE host controller interfacing with cloud backend, managing USB-C power delivery negotiation, and acting as secure TLS endpoint. Use Value: USB 2.0 FS with BC1.2 detection supports plug-and-play power adapter compatibility; 128 KB SRAM accommodates concurrent BLE, Wi-Fi coexistence stacks, and local AI inference buffers. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar wireless MCU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| nRF52840 DK | ARM Cortex-M4F core, 1 MB Flash, no integrated DC-DC, requires external buck regulator; lacks CAN FD and USB FS controller. | Better suited for pure BLE mesh applications without wired interface or industrial bus requirements. | Select when BLE-only connectivity, maximum RF range, and Nordic SDK ecosystem outweigh need for CAN/USB integration. |
| CC2642R1F | ARM Cortex-M4F core, 352 KB Flash, integrated RF but no USB; uses external crystal oscillator only (no internal RC option). | Optimized for low-cost, battery-constrained BLE beacons with minimal peripheral count. | Select when cost-sensitive, single-protocol (BLE) designs dominate and USB/CAN are unnecessary. |
Compared with nRF52840 DK and CC2642R1F, the R5F523W8BDBL#20 uniquely combines BLE 5.0, USB 2.0 FS, CAN FD, and an on-chip DC-DC in a single 83-pin LGA package - reducing BOM count by ≥4 components and eliminating layout complexity for mixed-signal isolation.
Availability
R5F523W8BDBL#20 is available at Aetrix Electronics and suitable for industrial wireless sensors, medical wearables, and asset tracking tags requiring stable component supply and long-term lifecycle assurance.
Supply support for R5F523W8BDBL#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 headquartered in Tokyo, Japan, specializing in microcontrollers, analog, power, and SoC solutions for industrial, automotive, and enterprise markets.
The RX23W Group - to which R5F523W8BDBL#20 belongs - was designed specifically for secure, low-power wireless IoT endpoints requiring Bluetooth 5.0 LE certification, real-time deterministic control, and industrial temperature resilience.
FAQ
What Bluetooth version and features does the R5F523W8BDBL#20 support?
The R5F523W8BDBL#20 integrates a Bluetooth 5.0 Low Energy radio compliant with Bluetooth SIG Core Specification v5.0. It supports all mandatory and optional LE features including LE Advertising Extensions, LE Channel Selection Algorithm #2, LE Privacy 1.2, and LE Secure Connections. The R5F523W8BDBL#20 implements the full BLE protocol stack in ROM and provides hardware acceleration for AES-128 encryption used in pairing and data encryption. Its RF section achieves –96 dBm receiver sensitivity and +4 dBm transmit output power.
Does the R5F523W8BDBL#20 include a USB interface, and what type is supported?
Yes, the R5F523W8BDBL#20 includes a full-speed USB 2.0 interface with an integrated PHY. It supports USB device mode only (not host), with built-in support for USB Battery Charging Detection (BC1.2) and suspend/resume signaling. The USB controller is compatible with standard USB CDC, HID, and MSC class drivers, and requires no external transceiver. Its USB module connects directly to P00 (D–) and P01 (D+) pins in the 83-pin LGA package, enabling seamless PC connectivity for firmware updates and debug logging.
What is the memory configuration of the R5F523W8BDBL#20, and is ECC implemented?
The R5F523W8BDBL#20 contains 512 KB of on-chip Flash memory with built-in Error Correction Code (ECC) for single-bit error correction and double-bit error detection, 128 KB of SRAM, and 8 KB of data flash for non-volatile parameter storage. The Flash memory is organized into 2 KB sectors and supports read-while-write operation. The ECC logic is always active during Flash access and requires no software configuration. This memory architecture ensures data integrity in mission-critical applications such as medical devices and industrial controllers where silent corruption must be prevented.
What low-power modes are available on the R5F523W8BDBL#20, and what is the lowest current consumption?
The R5F523W8BDBL#20 offers seven low-power modes, including Software Standby, Deep Software Standby, and BLE-specific advertising/sleep states. In Deep Software Standby mode with RTC enabled and BLE advertising retained in RAM, the device draws just 0.25 µA. This mode maintains real-time clock operation and preserves BLE connection parameters, allowing sub-second wake-up to resume advertising or respond to connection requests. All low-power modes retain SRAM content and support wake-up via GPIO, RTC alarm, or BLE events - critical for battery-powered IoT deployments requiring multi-year operational life.
Is the R5F523W8BDBL#20 qualified for industrial temperature operation, and what is its rated range?
Yes, the R5F523W8BDBL#20 is qualified for industrial temperature operation with a specified ambient operating range of –40°C to +105°C. This rating applies to the full 83-pin LGA package variant and is verified per JEDEC JESD22-A104 and JESD22-A108 standards. The device maintains full functionality - including Bluetooth RF performance, Flash programming, and ADC accuracy - across this entire range without derating. Its on-chip DC-DC converter and thermal-aware clock calibration ensure stable operation in unventilated enclosures near heat-generating equipment.
R5F523W8BDBL#20 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 85-TFBGA
- Series:
- RX23W
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- RXv2
- Core Size:
- 32-Bit Single-Core
- Speed:
- 54MHz
- Connectivity:
- CANbus, I2C, IrDA, SCI, SD/SDIO, SPI, SSI, USB OTG
- Peripherals:
- Capacitive Touch, DMA, LVD, POR, PWM, WDT
- Number of I/O:
- 43
- Program Memory Size:
- 512KB (512K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 8K x 8
- RAM Size:
- 64K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.7V ~ 3.6V
- Data Converters:
- A/D 22x12b; D/A 2x12b
- Oscillator Type:
- External, Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F523W8BDBL#20 FAQ
1.How can I place an order for R5F523W8BDBL#20 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F523W8BDBL#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 R5F523W8BDBL#20 reliable?
The price and inventory of R5F523W8BDBL#20 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F523W8BDBL#20 is usually 5 days.
3.What payment methods are accepted for R5F523W8BDBL#20?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F523W8BDBL#20 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F523W8BDBL#20?
R5F523W8BDBL#20 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F523W8BDBL#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 R5F523W8BDBL#20?
For technical support, including R5F523W8BDBL#20 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F523W8BDBL#20 requirements.
6.How does Aetrix verify that R5F523W8BDBL#20 is sourced from the original manufacturer or authorized distributors?
All R5F523W8BDBL#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 R5F523W8BDBL#20 meets industry standards.
7.What is the process for return or replacement of R5F523W8BDBL#20?
All R5F523W8BDBL#20 units undergo pre-shipment inspection (PSI). If there is an issue with R5F523W8BDBL#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 R5F523W8BDBL#20 part is unused and in its original packaging.
Return procedure for R5F523W8BDBL#20:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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