My Inquiry
My Account
Renesas R5F52317BDND#20
- Part No.:
- R5F52317BDND#20
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-WFQFN Exposed Pad
- Datasheet:
-
R5F52317BDND#20.pdf
- Description:
- IC MCU 32BIT 384KB FLASH 64HWQFN
- Quantity:
- Payment:
- Shipping:
Inventory:520
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
R5F52317BDND#20 from Renesas is a 32-bit RXv2 core microcontroller operating at up to 54 MHz (88.56 DMIPS), featuring 384 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, SD host interface, capacitive touch sensing (24 channels), 12-bit A/D (24 ch), 12-bit D/A (2 ch), RTC, and operates from 1.8–5.5 V across −40 to +85°C - deployed in industrial HMI and smart sensor edge nodes.
For engineers reviewing the R5F52317BDND#20 datasheet, R5F52317BDND#20 pinout, R5F52317BDND#20 application, or R5F52317BDND#20 equivalent, key selection criteria include its 64-pin HWQFN (PWQN0064KC-A) package, absence of CAN and SDHI modules (per Table 1.2), presence of USB 2.0 OTG and TSIP-Lite security, and compatibility with RX231 Group toolchains and IEC60730 safety diagnostics.
Technical Context
The R5F52317BDND#20 belongs to the RX231 Group and implements the RXv2 CPU core with Harvard architecture, 5-stage pipeline, and variable-length instructions. It integrates an IEEE 754-compliant FPU, memory protection unit (MPU), 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 on-chip oscillators, with PLL support for 54 MHz system clock and 48 MHz USB clock. Power management features three low-power modes, LPT timer active in software standby, and voltage detection circuits with configurable thresholds.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | RXv2 32-bit CISC with 5-stage pipeline, 88.56 DMIPS @ 54 MHz |
| Max Operating Frequency | 54 MHz system clock; enables real-time control loop execution ≤18.5 ns per instruction cycle |
| Memory | 384 KB flash (no-wait ≤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× SCI, 1× I²C, 1× RSPI, 1× SSI, 1× IrDA (via SCI5) |
| Security & Safety | TSIP-Lite AES-128/256 (GCM/CBC/ECB), true random number generator, IEC60730 self-test support for A/D, IWDT, CAC |
| Package & Temp | PWQN0064KC-A: 64-pin HWQFN, 9 × 9 mm, 0.5 mm pitch; −40 to +85°C operating range (D version) |
Pinout & Package
Packaged in a 64-pin HWQFN (PWQN0064KC-A), the R5F52317BDND#20 features a 9 × 9 mm body with 0.5 mm pitch and exposed thermal pad. Pin functions are defined per Renesas' R01DS0261EJ0120 Rev.1.20, Table 4.1 (Pin Functions) and Figure 4.1 (Pin Layout).
| 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 clock oscillator input/output | Supports 1–20 MHz crystal; enables precise timing for USB and real-time control |
| USB_VBUS, USB_DP, USB_DM | USB 2.0 transceiver interface | Full-speed OTG operation; internal VCC_USB regulator eliminates external 3.3 V USB supply when VCC ≥ 4.0 V |
| AD0–AD23 | Analog input channels | 24-channel 12-bit A/D inputs with per-channel sampling time configuration and disconnection detection |
| DA0, DA1 | Digital-to-analog outputs | 2-channel 12-bit voltage outputs (0.4–AVCC0−0.5 V); usable for sensor calibration or analog actuator control |
| CTSU0–CTSU23 | Capacitive touch sense inputs | 24 dedicated CTSU pins supporting self-capacitance (24 keys) or mutual-capacitance (up to 144 keys in matrix) |
Key Features
| Feature | Design Value |
|---|---|
| Floating-point unit (FPU) | IEEE 754 single-precision compliant; accelerates motor control algorithms and sensor fusion without software emulation overhead |
| Event Link Controller (ELC) | Direct hardware linking of 61 event sources (e.g., timer overflow → ADC trigger); eliminates CPU intervention and interrupt latency in deterministic systems |
| TSIP-Lite encryption engine | Hardware-accelerated AES-128/256 (GCM/CBC/ECB), CMAC, and TRNG; enables secure firmware updates and encrypted data logging without CPU load |
| IEC60730 safety support | Built-in diagnostic assistance for A/D converter, IWDT, clock accuracy measurement (CAC), and RAM test via DOC; reduces Class B certification effort |
| Low-power timer (LPT) | 16-bit counter running on sub-clock or IWDT oscillator during software standby; enables periodic wake-up every 2n × 30.5 µs (n = 1–5) without full system restart |
Applications
| Industrial HMI Panel | Smart Sensor Node |
|---|---|
Use Scenario: Touch-enabled local control panel for PLC-connected machinery with real-time status display and parameter adjustment. IC Role / Device Role / Timing Role: Main application processor executing GUI logic, managing capacitive touch input (CTSU), driving serial displays via SCI/SSI, and handling USB-based field service updates. Use Value: Integrated USB OTG and TSIP-Lite enable secure, plug-and-play firmware updates; 24-key CTSU supports robust glove-friendly interface without external ICs. |
Use Scenario: Battery-powered environmental sensor aggregating temperature, humidity, and vibration data for wireless transmission. IC Role / Device Role / Timing Role: System-on-chip controller acquiring analog sensor signals (A/D), conditioning data (FPU), encrypting payloads (TSIP-Lite), and scheduling low-power radio wake-ups via LPT. Use Value: 32 KB SRAM and 384 KB flash accommodate sensor fusion algorithms and local data buffering; software standby + LPT extends battery life beyond 1 year on coin cell. |
| USB-Capable Test Equipment | IEC60730-Compliant Appliance Control |
Use Scenario: Portable calibration tool interfacing with legacy instruments via USB device mode and RS232/RS485 via SCI. IC Role / Device Role / Timing Role: USB 2.0 full-speed device controller (R5F52317BDND#20) bridging PC host commands to multiple SCI peripherals with bit-rate modulation for noise immunity. Use Value: Dual SCI baud rate generators and IrDA support allow simultaneous legacy protocol translation; no external level shifters needed for 5-V tolerant I/O. |
Use Scenario: Safety-critical white goods control board requiring runtime self-checks per IEC60730 Class B. IC Role / Device Role / Timing Role: Primary MCU performing motor control, user interface, and mandatory safety monitoring (A/D disconnection check, IWDT health, CAC clock validation). Use Value: On-chip diagnostic acceleration (DOC, CAC, IWDT) reduces software verification scope; MPU enforces memory partitioning between safety and non-safety tasks. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 32-bit MCU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F52318BDND#U0 | 512 KB flash, 64 KB SRAM, same package; adds SDHI and CAN modules not present in R5F52317BDND#20 | Required for SD card logging or CAN bus integration; otherwise over-spec'd memory increases cost | Select R5F52318BDND#U0 only if SDHI or CAN functionality is needed; R5F52317BDND#20 optimizes cost for USB/SCI/CTSU-focused designs. |
| R5F52306ADND#U0 | RX230 Group part; 256 KB flash, 32 KB SRAM, no TSIP-Lite, no USB OTG, no SDHI/CAN - lacks security and connectivity features of R5F52317BDND#20 | Suitable for cost-sensitive, non-secure, non-USB applications like basic motor control or lighting | R5F52306ADND#U0 is a functional subset; choose only when USB, encryption, or touch are unnecessary - R5F52317BDND#20 delivers verified security and interface breadth. |
Compared with R5F52318BDND#U0, R5F52317BDND#20 reduces flash/SRAM while omitting SDHI and CAN - lowering BOM cost for USB-centric HMI. Against R5F52306ADND#U0, it adds TSIP-Lite, USB OTG, and CTSU - enabling secure, touch-enabled, field-upgradable devices without external components.
Availability
R5F52317BDND#20 is available at Aetrix Electronics and suitable for industrial HMI panels, smart sensor nodes, USB-capable test equipment, and IEC60730-compliant appliance controls requiring stable component supply and long-term manufacturability.
Supply support for R5F52317BDND#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 is a global semiconductor leader specializing in microcontrollers, analog, power, and SoC solutions for automotive, industrial, and IoT markets.
The R5F52317BDND#20 belongs to the RX231 Group - designed for high-integration, safety-aware, and USB-connected embedded applications demanding floating-point math, capacitive touch, and hardware security in compact packages.
FAQ
What is the maximum operating frequency and CPU performance of the R5F52317BDND#20?
The R5F52317BDND#20 operates at a maximum system clock frequency of 54 MHz, delivering 88.56 DMIPS performance using the RXv2 32-bit CPU core. Its 5-stage pipeline, variable-length instruction set, and single-cycle instruction execution enable deterministic real-time response critical for industrial control loops and USB transaction timing.
Does the R5F52317BDND#20 support USB 2.0 OTG functionality?
Yes, the R5F52317BDND#20 integrates a full-featured USB 2.0 host/function/OTG module supporting full-speed (12 Mbps) and low-speed (1.5 Mbps) operation, isochronous transfers, and BC1.2 battery charging. Its internal USB regulator allows operation without external VCC_USB supply when main VCC is 4.0–5.5 V - simplifying power design in portable R5F52317BDND#20 implementations.
Which security features does the R5F52317BDND#20 provide?
The R5F52317BDND#20 includes TSIP-Lite - a hardware encryption engine supporting AES-128/256 in GCM, CBC, ECB, and CMAC modes, plus a true random number generator. It prevents unauthorized access to keys and enables secure boot, encrypted firmware updates, and protected data logging - all without consuming CPU cycles, making R5F52317BDND#20 suitable for IEC60730 Class B and IoT endpoint security requirements.
What analog peripherals are integrated into the R5F52317BDND#20?
The R5F52317BDND#20 integrates a 12-bit S12ADE A/D converter with 24 input channels (0.83 µs conversion time), a 12-bit R12DAA D/A converter with two output channels (0.4–AVCC0−0.5 V range), an on-die temperature sensor, two analog comparators (CMPBa), and a capacitive touch sensing unit (CTSU) supporting up to 24 self-capacitance keys - all accessible without external signal conditioning in R5F52317BDND#20 designs.
Is the R5F52317BDND#20 pin-compatible with other RX231 Group MCUs in the same package?
Yes, the R5F52317BDND#20 uses the PWQN0064KC-A 64-pin HWQFN package and shares identical pinout with other RX231 Group 64-pin variants (e.g., R5F52318BDND#U0, R5F52316ADND#U0). However, peripheral availability differs: R5F52317BDND#20 includes USB OTG and TSIP-Lite but excludes CAN and SDHI - meaning firmware must be validated for enabled modules, though PCB layout remains reusable across this package family.
R5F52317BDND#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:
- 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:
- 384KB (384K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 8K x 8
- RAM Size:
- 64K 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:
R5F52317BDND#20 FAQ
1.How can I place an order for R5F52317BDND#20 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F52317BDND#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 R5F52317BDND#20 reliable?
The price and inventory of R5F52317BDND#20 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F52317BDND#20 is usually 5 days.
3.What payment methods are accepted for R5F52317BDND#20?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F52317BDND#20 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F52317BDND#20?
R5F52317BDND#20 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F52317BDND#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 R5F52317BDND#20?
For technical support, including R5F52317BDND#20 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F52317BDND#20 requirements.
6.How does Aetrix verify that R5F52317BDND#20 is sourced from the original manufacturer or authorized distributors?
All R5F52317BDND#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 R5F52317BDND#20 meets industry standards.
7.What is the process for return or replacement of R5F52317BDND#20?
All R5F52317BDND#20 units undergo pre-shipment inspection (PSI). If there is an issue with R5F52317BDND#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 R5F52317BDND#20 part is unused and in its original packaging.
Return procedure for R5F52317BDND#20:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
R5F52317BDND#20 Tags
-
ATTINY4-TSHR
Microchip Technology
-
ATTINY10-TSHR
Microchip Technology
-
ATTINY10-TS8R
Microchip Technology
-
ATTINY202-SSNR
Microchip Technology
-
ATTINY202-SSFR
Microchip Technology
-
ATTINY402-SSNR
Microchip Technology
-
PIC16F15213T-I/MF
Microchip Technology
-
PIC16F15213-E/MF
Microchip Technology
-
PIC10F200T-I/OT
Microchip Technology
-
ATTINY412-SSNR
Microchip Technology
-
PIC10F202T-I/OT
Microchip Technology
-
ATTINY404-SSNR
Microchip Technology
Tech Hub
TTL and CMOS logic families differ in thresholds, loading, output drive, power and timing. This engineering guide compares 74HC and 74HCT, calculates noise margins and checks 3.3 V/5 V compatibility.
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
