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Renesas R5F52316AGND#20
- Part No.:
- R5F52316AGND#20
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-WFQFN Exposed Pad
- Datasheet:
-
R5F52316AGND#20.pdf
- Description:
- IC MCU 32BIT 256KB FLASH 64HWQFN
- Quantity:
- Payment:
- Shipping:
Inventory:520
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Product details
Overview
R5F52316AGND#20 from Renesas is a 32-bit RXv2 core microcontroller operating at up to 54 MHz (88.56 DMIPS), featuring 256 KB on-chip flash, 32 KB SRAM, 8 KB data flash, integrated FPU (IEEE 754 single-precision), and hardware encryption (TSIP-Lite AES-128/256). It supports USB 2.0 full-speed host/function/OTG, CAN 2.0B (1 Mbps), 24-channel 12-bit ADC (0.83 µs conversion), dual 12-bit DAC, RTC with battery backup, and capacitive touch sensing (24 keys) - deployed in industrial HMI and smart sensor nodes requiring deterministic real-time control and secure firmware updates.
For engineers reviewing the R5F52316AGND#20 datasheet, R5F52316AGND#20 pinout, R5F52316AGND#20 application, or R5F52316AGND#20 equivalent, key selection criteria include its 64-pin HWQFN (9 × 9 mm, 0.5 mm pitch) package, −40 to +105°C temperature grade (G version), absence of SDHI and CAN modules per package-specific configuration, and compatibility with Renesas' e2 studio and CS+ IDE for secure firmware development and IEC 60730 Class B certification support.
Technical Context
The R5F52316AGND#20 belongs to the RX231 Group and implements the RXv2 CPU core with Harvard architecture, 5-stage pipeline, and variable-length instructions. It integrates a memory protection unit (MPU), on-chip debugging (FINE interface), and event link controller (ELC) enabling interrupt-free peripheral coordination during CPU sleep.
Its clock system includes main (1–20 MHz), sub-clock (32.768 kHz), and multiple on-chip oscillators (low/high-speed, IWDT-dedicated), with PLL and USB-dedicated PLL supporting independent 54 MHz system clock and 48 MHz USB clock. Power management features three low-power modes, LPT operation in software standby, and voltage detection across three configurable LVD circuits.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | RXv2 32-bit CISC core with 5-stage pipeline, 88.56 DMIPS @ 54 MHz |
| Max Operating Frequency | 54 MHz system clock; enables real-time deterministic execution for motor control and protocol stacks |
| Memory | 256 KB flash (no-wait ≤32 MHz), 32 KB SRAM (no-wait @ 54 MHz), 8 KB data flash (1M erase cycles) |
| Analog Peripherals | 24-channel 12-bit ADC (0.83 µs min conversion), 2-channel 12-bit DAC (0.4–AVCC0−0.5 V output) |
| Communication Interfaces | USB 2.0 FS host/function/OTG (12 Mbps), 6× SCI, 1× I²C, 1× RSPI, 1× IrDA (SCI5), no CAN or SDHI per package |
| Security & Compliance | TSIP-Lite with AES-128/256 (GCM/CBC/ECB), true RNG, and IEC 60730 self-test assistance functions |
| Operating Temperature | −40 to +105°C (G-grade), qualified for extended industrial environments |
Pinout & Package
Package: PWQN0064KC-A - 64-pin HWQFN, 9 × 9 mm body, 0.5 mm pitch, exposed thermal pad, RoHS-compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC, VSS | Power supply and ground | Dual 1.8–5.5 V supply domains; separate analog/digital grounds required for ADC/DAC accuracy |
| XTAL, EXTAL | Main crystal oscillator input/output | Supports 1–20 MHz external crystals; essential for high-accuracy timing and USB clock derivation |
| RTC_VCC, RTC_VSS | Battery-backed RTC power domain | Enables calendar/timekeeping during main power loss using coin-cell backup |
| USB_DP, USB_DM | Full-speed USB differential pair | Integrated transceiver; no external PHY needed; supports BC1.2 charging detection |
| CTSU_RX0–23 | Capacitive touch sense inputs | Supports self-capacitance mode for up to 24 independent touch keys without external components |
| AD00–AD23 | Analog input channels | 24 dedicated pins for 12-bit ADC; sampling time programmable per channel for sensor signal conditioning |
| DA0, DA1 | Analog output channels | Two buffered 12-bit DAC outputs; usable for precision reference generation or analog actuator control |
Key Features
| Feature | Design Value |
|---|---|
| Floating-point unit (FPU) | IEEE 754-compliant single-precision unit accelerates math-intensive algorithms (e.g., sensor fusion, PID tuning) |
| Event Link Controller (ELC) | Enables direct hardware-triggered peripheral operation (e.g., ADC start on timer match) without CPU intervention or ISR latency |
| Background Operation (BGO) | Data flash programming/erasing proceeds concurrently with code execution, minimizing system stall time |
| Temperature sensor + ADC integration | On-die thermal sensor digitized via S12ADE enables closed-loop thermal monitoring without external components |
| IEC 60730 safety assist | Hardware-accelerated RAM test (DOC), clock accuracy measurement (CAC), and ADC self-diagnostic reduce Class B certification effort |
Applications
| Industrial HMI Panel | Smart Sensor Node |
|---|---|
Use Scenario: Touch-enabled operator interface for PLC-connected machinery with real-time status display and parameter adjustment. IC Role / Device Role / Timing Role: Main controller executing GUI logic, managing capacitive touch inputs, driving serial displays via SCI/RSPI, and synchronizing with fieldbus timing via ELC-triggered ADC sampling. Use Value: Integrated CTSU eliminates external touch controller; USB OTG enables field firmware updates; 105°C rating ensures reliability in enclosed control cabinets. | Use Scenario: Battery-powered environmental monitor measuring temperature, humidity, and gas concentration with local edge processing and wireless upload. IC Role / Device Role / Timing Role: System-on-chip handling sensor signal acquisition (ADC/DAC), crypto-secured data packaging (TSIP-Lite), and USB/SCI-based communication to gateway. Use Value: Low-power timer (LPT) and deep-sleep modes extend battery life; on-chip temperature sensor reduces BOM; IEC 60730 support simplifies functional safety validation. |
| Secure Firmware Gateway | USB Peripheral Controller |
Use Scenario: Embedded gateway authenticating and updating firmware images for downstream devices in industrial IoT networks. IC Role / Device Role / Timing Role: Secure boot loader verifying signed firmware using TSIP-Lite AES-GCM, then programming flash while maintaining runtime integrity checks. Use Value: Hardware key isolation prevents extraction; background data flash writes avoid service interruption; 105°C operation suits edge deployment near motors or drives. | Use Scenario: USB-to-serial converter bridging legacy RS-485 equipment to modern PC-based SCADA systems. IC Role / Device Role / Timing Role: USB device endpoint converting CDC ACM requests into SCI UART frames with precise baud rate generation and error recovery. Use Value: Integrated USB transceiver and full-speed PHY eliminate external IC; SCI bit modulation reduces noise-induced framing errors in noisy factory floors. |
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 |
|---|---|---|---|
| R5F52316ADND#U0 | D-grade (−40 to +85°C); identical peripherals and memory but lower temperature rating | Suitable for commercial or indoor industrial use where ambient heat is controlled | Select when cost sensitivity outweighs extended temperature requirement and thermal derating is acceptable |
| R5F52317AGND#U0 | G-grade with 384 KB flash and same 64-pin HWQFN package; retains all R5F52316AGND#20 peripherals | Preferred for future-proofing firmware size or adding feature-rich middleware (e.g., USB stack + OTA update) | Choose when additional flash headroom is needed for field-upgradable applications without changing PCB layout |
Compared with R5F52316AGND#20, R5F52316ADND#U0 trades temperature range for lower cost in benign environments, while R5F52317AGND#U0 provides 128 KB more flash in identical packaging - enabling larger RTOS images or cryptographic key storage without redesigning the board.
Availability
R5F52316AGND#20 is available at Aetrix Electronics and suitable for industrial HMI panels, smart sensor nodes, secure firmware gateways, and USB peripheral controllers requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for R5F52316AGND#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 RX231 Group targets high-integration industrial applications demanding real-time performance, security, and extended temperature operation - with R5F52316AGND#20 optimized for compact, thermally constrained designs needing USB connectivity and touch interface capability.
FAQ
What is the maximum operating frequency and CPU performance of the R5F52316AGND#20?
The R5F52316AGND#20 operates at a maximum system clock frequency of 54 MHz, delivering 88.56 DMIPS of processing performance using the 32-bit RXv2 CPU core. Its on-chip FPU supports IEEE 754 single-precision floating-point operations, and the core achieves one instruction per clock cycle in many cases due to its 5-stage pipeline and variable-length instruction set. This performance level is validated under worst-case voltage and temperature conditions for the G-grade part.
Does the R5F52316AGND#20 include CAN or SD host interface functionality?
No, the R5F52316AGND#20 does not include CAN or SD host interface (SDHI) functionality. According to Table 1.2 in the official datasheet, these modules are explicitly marked as "Not supported" for the 64-pin HWQFN package (PWQN0064KC-A) used by R5F52316AGND#20. The part does include USB 2.0 full-speed host/function/OTG, six SCI channels, I²C, RSPI, and IrDA - but CAN and SDHI are only available in select 100-pin RX231 variants.
What package type and pin count does the R5F52316AGND#20 use?
The R5F52316AGND#20 uses the PWQN0064KC-A package: a 64-pin HWQFN (Heat Sink Wettable Flank Quad Flat No-lead) with 9 × 9 mm body size, 0.5 mm pin pitch, and an exposed thermal pad. This package is RoHS-compliant and designed for reflow soldering. Pinout details, including power, I/O, USB, and analog signal assignments, are fully documented in the R01DS0261EJ0120 datasheet Section 6 (Pin Configuration).
How does the R5F52316AGND#20 support functional safety standards like IEC 60730?
The R5F52316AGND#20 includes hardware-assisted features for IEC 60730 Class B compliance, including a clock frequency accuracy measurement circuit (CAC), independent watchdog timer (IWDT) with dedicated oscillator, RAM test assistance via the data operation circuit (DOC), and ADC self-diagnostic functions. These capabilities reduce software overhead for safety checks and are documented in the datasheet's "Useful functions for IEC60730 compliance" section - enabling certified implementations without external safety monitors.
Is the R5F52316AGND#20 compatible with Renesas' development tools and debug interfaces?
Yes, the R5F52316AGND#20 is fully supported by Renesas' e2 studio IDE and CS+ development environment, and it features the FINE (Fast In-circuit Non-intrusive Emulator) debug interface for real-time tracing and breakpoint control. Debugging requires a compatible JTAG/SWD adapter such as the E2 emulator Lite or E2 emulator. All peripheral drivers, HAL APIs, and sample projects for USB, CTSU, and TSIP-Lite are provided in the Renesas RX Driver Package (RDP) and SSP (Synergy Software Package) ecosystem.
R5F52316AGND#20 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 64-WFQFN Exposed Pad
- Series:
- RX231
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- RXv2
- Core Size:
- 32-Bit Single-Core
- Speed:
- 54MHz
- Connectivity:
- I2C, IrDA, SCI, SPI, SSI, USB OTG
- Peripherals:
- Capacitive Touch, DMA, LVD, POR, PWM, WDT
- Number of I/O:
- 43
- Program Memory Size:
- 256KB (256K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 8K x 8
- RAM Size:
- 32K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.8V ~ 5.5V
- Data Converters:
- A/D 12x12b; D/A 2x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F52316AGND#20 FAQ
1.How can I place an order for R5F52316AGND#20 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F52316AGND#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 R5F52316AGND#20 reliable?
The price and inventory of R5F52316AGND#20 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F52316AGND#20 is usually 5 days.
3.What payment methods are accepted for R5F52316AGND#20?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F52316AGND#20 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F52316AGND#20?
R5F52316AGND#20 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F52316AGND#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 R5F52316AGND#20?
For technical support, including R5F52316AGND#20 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F52316AGND#20 requirements.
6.How does Aetrix verify that R5F52316AGND#20 is sourced from the original manufacturer or authorized distributors?
All R5F52316AGND#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 R5F52316AGND#20 meets industry standards.
7.What is the process for return or replacement of R5F52316AGND#20?
All R5F52316AGND#20 units undergo pre-shipment inspection (PSI). If there is an issue with R5F52316AGND#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 R5F52316AGND#20 part is unused and in its original packaging.
Return procedure for R5F52316AGND#20:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
R5F52316AGND#20 Tags
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