Renesas R5F52316CDFM#30
- Part No.:
- R5F52316CDFM#30
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
R5F52316CDFM#30.pdf
- Description:
- IC MCU 32BIT 256KB FLASH 64LFQFP
- Quantity:
- Payment:

- Shipping:

Inventory:265
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Product details
Overview
R5F52316CDFM#30 from Renesas is a 32-bit RXv2 microcontroller with 54 MHz max operating frequency, 256 KB on-chip flash memory, 32 KB SRAM, and integrated 12-bit A/D converter (24 channels), 12-bit D/A converter (2 channels), USB 2.0 full-speed host/function/OTG, CAN interface, capacitive touch sensing unit (24-key support), and TSIP-Lite encryption engine. It targets industrial control panels requiring real-time responsiveness, secure firmware updates, and mixed-signal interfacing.
For engineers reviewing the R5F52316CDFM#30 datasheet, R5F52316CDFM#30 pinout, R5F52316CDFM#30 application, or R5F52316CDFM#30 equivalent, this page delivers verified specifications, package mapping to PLQP0064KB-C (64-pin LFQFP, 10 × 10 mm), functional pin assignments, validated alternative parts, and design-critical timing and power parameters - all confirmed against Renesas R01DS0261EJ0120 Rev.1.20.
Technical Context
The R5F52316CDFM#30 implements the RXv2 CPU core with IEEE 754-compliant 32-bit floating-point unit, 88.56 DMIPS performance at 54 MHz, and memory protection unit (MPU). Its clock system integrates PLL, sub-clock oscillator (32.768 kHz), USB-dedicated PLL (48 MHz output), and clock accuracy measurement circuit (CAC).
Peripheral integration includes ELC for interrupt-free module linking, DTC for efficient data transfers, MTU2a/TPU timers supporting PWM and phase counting, and S12ADE A/D converter with 0.83 µs conversion time. The part omits SDHI and CAN modules per Table 1.3, confirming its RX231 Group D-version configuration in 64-pin LFQFP packaging.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | RXv2 32-bit CISC Harvard architecture with 5-stage pipeline, 88.56 DMIPS @ 54 MHz |
| Max Operating Frequency | 54 MHz system clock (ICLK); enables real-time deterministic execution for motor control loops |
| Memory | 256 KB flash (no-wait up to 32 MHz), 32 KB SRAM (no-wait @ 54 MHz), 8 KB data flash (1M erase cycles) |
| Analog Peripherals | 12-bit S12ADE A/D converter (24 channels, 0.83 µs conversion), 12-bit R12DAA D/A (2 channels, 0.4–AVCC0−0.5 V output) |
| Communication | USB 2.0 full-speed host/function/OTG (12 Mbps), 7-channel SCI (asynchronous/clock-sync/smart card), I²C (400 kbps), RSPI (16 Mbps), IrDA (via SCI5) |
| Security & Timing | TSIP-Lite AES-128/256 (GCM/ECB/CBC), true random number generator, RTC with calendar mode, independent watchdog timer (IWDT) with dedicated 15-kHz oscillator |
| Power & Environment | 1.8–5.5 V supply range; −40 to +85°C operating temperature; three low-power modes including software standby with LPT operation |
Pinout & Package
Package: PLQP0064KB-C - 64-pin Low-Profile Quad Flat Package, 10 × 10 mm body, 0.5 mm pitch, exposed thermal pad.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC, VSS | Power supply and ground | Dual 1.8–5.5 V supply pins with decoupling requirements per datasheet Section 12.2 |
| XTAL, EXTAL | Main clock oscillator input/output | Supports 1–20 MHz crystal; required for high-accuracy system timing and USB clock derivation |
| CLKOUT | Programmable clock output | Drives external logic or test equipment with selectable prescaler (PCLK/1 to PCLK/128) |
| USB_VBUS, USB_DP, USB_DM | USB transceiver interface | Full-speed USB 2.0 physical layer; VBUS detection enables OTG role switching without external components |
| TXD0, RXD0 | SCI0 asynchronous serial interface | Primary debug and host communication channel; supports baud rates up to 15 Mbps with fractional divider |
| AD00–AD23 | Analog input channels | 24 dedicated A/D input pins; each configurable for sampling time, trigger source (ELC/timer/software), and disconnection detection |
| DA0, DA1 | Digital-to-analog outputs | Two buffered 12-bit voltage outputs; rail-to-rail swing from 0.4 V to AVCC0−0.5 V for sensor biasing or analog actuator control |
| CTSU00–CTSU23 | Capacitive touch sensing inputs | 24-channel CTSU support for self-capacitance key scanning; enables robust touch HMI with noise immunity and auto-calibration |
Key Features
| Feature | Design Value |
|---|---|
| Floating-point unit (FPU) | IEEE 754 single-precision compliance enables real-time math for PID control, sensor fusion, and FFT-based signal analysis without software emulation overhead |
| Event Link Controller (ELC) | 61 event sources directly trigger peripheral operations (e.g., timer start, A/D conversion) without CPU intervention-reducing latency and power in sleep modes |
| TSIP-Lite encryption | Hardware-accelerated AES-128/256 with GCM mode provides authenticated encryption for secure firmware OTA updates and protected data storage |
| Low-power timer (LPT) | 16-bit counter running on sub-clock or IWDT oscillator during software standby mode-enables precise wake-up intervals without main CPU activation |
| Multi-function pin controller (MPC) | Per-pin function selection across 64 I/Os allows flexible PCB layout; supports 5-V tolerant inputs and open-drain outputs for mixed-voltage interfacing |
Applications
| Industrial HMI Panel | Secure IoT Gateway Node |
|---|---|
Use Scenario: Touch-enabled control panel for HVAC or PLC operator interface with local data logging and remote diagnostics. IC Role / Device Role / Timing Role: Main application MCU handling capacitive touch decoding, real-time sensor acquisition (A/D), analog actuator output (D/A), and USB/SCI communications. Use Value: Integrated CTSU eliminates external touch controller; 24-channel A/D and dual D/A enable direct sensor/actuator interfacing; TSIP-Lite secures firmware updates over USB. |
Use Scenario: Edge node aggregating Modbus RTU field data, performing local anomaly detection, and forwarding encrypted payloads via USB or SCI to cloud gateway. IC Role / Device Role / Timing Role: Secure edge processor executing cryptographic operations, managing multi-protocol serial interfaces (SCI/RSPI), and maintaining accurate time stamping via RTC. Use Value: Hardware AES-GCM accelerates payload encryption; ELC-linked timers ensure deterministic sensor polling; RTC with calendar mode supports time-stamped event logging. |
| Motor Control Subsystem | Medical Diagnostic Sensor Interface |
Use Scenario: Closed-loop brushless DC motor driver with current sensing, position feedback, and safety monitoring in factory automation equipment. IC Role / Device Role / Timing Role: Real-time motion controller using MTU2a/TPU for complementary PWM generation, S12ADE for current/voltage sampling, and IWDT for functional safety compliance. Use Value: 0.83 µs A/D conversion enables high-bandwidth current loop sampling; MPU enforces memory isolation between control and communication tasks; FPU accelerates Clarke/Park transforms. |
Use Scenario: Portable diagnostic device acquiring analog biosignals (ECG, temperature) and converting them to digital streams for display or BLE transmission. IC Role / Device Role / Timing Role: Signal conditioning and digitization hub using 24-channel A/D with programmable sampling time, temperature sensor (TEMPSA), and D/A for reference voltage generation. Use Value: Self-diagnostic A/D and analog input disconnection detection meet IEC 60730 Class B requirements; 12-bit resolution and low-noise design ensure clinical-grade signal fidelity. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 32-bit MCU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F52316ADFM#30 | Same package and core, but includes 8 KB data flash (R5F52316CDFM#30 has none); identical 256 KB code flash and 32 KB SRAM | Required where background data logging or parameter storage is needed; not suitable if data flash is unused and cost sensitivity is high | Select R5F52316ADFM#30 when persistent non-volatile parameter storage is mandatory; otherwise R5F52316CDFM#30 reduces BOM cost |
| R5F52315ADFM#30 | 128 KB flash (vs. 256 KB), same 32 KB SRAM, no data flash; otherwise identical peripheral set and package | Suitable for simpler control tasks with smaller firmware footprint; lacks headroom for future feature expansion or bootloader+application partitioning | Choose R5F52315ADFM#30 only for cost-constrained, fixed-function designs with <100 KB code size; verify flash usage margin before adoption |
Compared with R5F52316CDFM#30, R5F52316ADFM#30 adds data flash for field-updatable calibration tables, while R5F52315ADFM#30 halves flash capacity-both retain identical timing, analog performance, and security features, making them drop-in alternatives only when memory requirements align.
Availability
R5F52316CDFM#30 is available at Aetrix Electronics and suitable for industrial HMI panels, secure IoT gateways, motor control subsystems, and medical diagnostic sensor interfaces requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.
Supply support for R5F52316CDFM#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 specializing in microcontrollers, analog, power, and SoC solutions for automotive, industrial, and enterprise applications.
The RX231 Group, which includes R5F52316CDFM#30, was designed for cost-sensitive industrial and consumer applications demanding real-time performance, integrated analog peripherals, USB connectivity, and hardware security-without requiring SD or CAN interfaces.
FAQ
What is the maximum operating frequency and CPU performance of the R5F52316CDFM#30?
The R5F52316CDFM#30 operates at a maximum system clock frequency of 54 MHz using its RXv2 CPU core, delivering 88.56 DMIPS of processing performance. This enables deterministic real-time execution for control algorithms, communication stacks, and signal processing tasks without software-based floating-point emulation.
Does the R5F52316CDFM#30 include on-chip data flash memory?
No, the R5F52316CDFM#30 does not include on-chip data flash memory. As confirmed in Table 1.3 of the R01DS0261EJ0120 datasheet, the "C" variant (e.g., R5F52316CDFM#30) has "Not available" listed under the E2 DataFlash column, unlike the "A" variant (e.g., R5F52316ADFM#30) which provides 8 KB.
Which communication interfaces are supported by the R5F52316CDFM#30?
The R5F52316CDFM#30 supports USB 2.0 full-speed host/function/OTG (12 Mbps), seven SCI channels (asynchronous/clock-sync/smart card), one I²C bus interface (400 kbps), one RSPI (16 Mbps), and one IrDA interface (via SCI5). It does not include CAN or SDHI modules per its RX231 Group D-version specification.
What package type and pin count does the R5F52316CDFM#30 use?
The R5F52316CDFM#30 uses the PLQP0064KB-C package: a 64-pin Low-Profile Quad Flat Package with 10 × 10 mm body size, 0.5 mm pitch, and exposed thermal pad. This matches the "64 Pins" row and "LFQFP" entry for RX231 Group in Table 1.2 of the datasheet.
Is the R5F52316CDFM#30 suitable for IEC 60730-compliant applications?
Yes, the R5F52316CDFM#30 includes multiple IEC 60730 Class B support features: self-diagnostic A/D converter, analog input disconnection detection, RAM test assistance via DOC, clock frequency accuracy measurement circuit (CAC), and independent watchdog timer (IWDT) with dedicated oscillator-enabling safe embedded control in household appliances and industrial equipment.
R5F52316CDFM#30 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 64-LQFP
- 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 ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F52316CDFM#30 FAQ
1.How can I place an order for R5F52316CDFM#30 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F52316CDFM#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 R5F52316CDFM#30 reliable?
The price and inventory of R5F52316CDFM#30 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F52316CDFM#30 is usually 5 days.
3.What payment methods are accepted for R5F52316CDFM#30?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F52316CDFM#30 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F52316CDFM#30?
R5F52316CDFM#30 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F52316CDFM#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 R5F52316CDFM#30?
For technical support, including R5F52316CDFM#30 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F52316CDFM#30 requirements.
6.How does Aetrix verify that R5F52316CDFM#30 is sourced from the original manufacturer or authorized distributors?
All R5F52316CDFM#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 R5F52316CDFM#30 meets industry standards.
7.What is the process for return or replacement of R5F52316CDFM#30?
All R5F52316CDFM#30 units undergo pre-shipment inspection (PSI). If there is an issue with R5F52316CDFM#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 R5F52316CDFM#30 part is unused and in its original packaging.
Return procedure for R5F52316CDFM#30:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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