My Inquiry
My Account
Renesas R5F72434N100FP#U0
- Part No.:
- R5F72434N100FP#U0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
R5F72434N100FP#U0.pdf
- Description:
- SH72433 FL 256K/12K 100MHZ LQFP1
- Quantity:
- Payment:
- Shipping:
Inventory:2,934
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
R5F72434N100FP#U0 from Renesas Electronics is a 32-bit RISC microcontroller based on the SuperH™ SH-2A core, featuring 512 KB on-chip Flash memory, 64 KB RAM, and integrated peripherals including CAN controller, USB 2.0 FS host/device, 12-bit ADC (16 channels), and MTU2 timer units. It operates at up to 100 MHz and targets automotive body electronics and industrial control applications requiring real-time deterministic response.
For engineers reviewing the R5F72434N100FP#U0 datasheet, R5F72434N100FP#U0 pinout, R5F72434N100FP#U0 application, or R5F72434N100FP#U0 equivalent, key selection criteria include its SH-2A CPU core compliance with ISO 26262 ASIL-B readiness support, dual CAN 2.0B interfaces with message RAM, USB transceiver with internal PHY, and 100-pin LQFP package with dedicated debug interface pins.
Technical Context
The R5F72434N100FP#U0 implements the SH-2A CPU core with 5-stage pipeline, FPU support, and 32-bit address/data bus. It integrates a Clock Pulse Generator (CPG) supporting PLL-based clock synthesis (up to 100 MHz), oscillation stop detection, and multiple clock domains for peripheral gating.
Its system architecture includes a Bus State Controller (BSC) for external memory expansion, Data Transfer Controller (DTC) for autonomous DMA, Interrupt Controller (INTC) with 128 interrupt sources and priority levels, and on-chip debug support via JTAG/HSW interface compliant with IEEE 1149.1.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | SuperH™ SH-2A 32-bit RISC core with FPU, 5-stage pipeline, 100 MHz max operation |
| Memory | 512 KB on-chip Flash (with ECC), 64 KB SRAM (with parity), 4 KB data flash |
| Peripherals | Dual CAN 2.0B controllers, USB 2.0 Full-Speed host/device with internal PHY, 12-bit ADC (16 ch), MTU2 timers (6 ch), SCI (6 ch), I²C (2 ch) |
| Package | 100-pin LQFP (14 mm × 14 mm, 0.5 mm pitch), RoHS-compliant, lead-free |
| Operating Range | −40°C to +85°C ambient temperature, 2.7 V to 3.6 V supply voltage |
| Debug Interface | JTAG/HSW compliant with IEEE 1149.1, supports real-time trace and breakpoint control |
Pinout & Package
Package: 100-pin LQFP (14 mm × 14 mm, 0.5 mm pitch), thermally enhanced with exposed pad (EPAD) connected to VSS.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC, VSS | Power supply and ground | Dedicated analog/digital power pairs; decoupling required per Renesas layout guidelines |
| XTAL, EXTAL | Crystal oscillator input/output | Supports 4–20 MHz crystal for main clock generation; internal oscillator circuitry enabled |
| USB_DP, USB_DM | USB 2.0 differential data lines | Integrated transceiver with internal termination; no external resistors needed for full-speed operation |
| TXA0–TXA5, RXA0–RXA5 | SCI serial transmit/receive | 6 independent asynchronous serial channels; each supports LIN-bus compatible break detection |
| CAN0_TX, CAN0_RX, CAN1_TX, CAN1_RX | CAN controller I/O | Dual independent CAN 2.0B interfaces; each supports programmable bit timing and message RAM buffering |
| AD0–AD15 | Analog input channels | 16-channel 12-bit ADC inputs; selectable sampling time and trigger sources (timer, external, software) |
| PE0–PE15, PF0–PF15, PG0–PG15, PH0–PH15 | General-purpose I/O | Four 16-bit port groups with individual direction control, pull-up enable, and interrupt capability per pin |
| TRST, TDI, TDO, TMS, TCK | JTAG debug interface | IEEE 1149.1-compliant boundary-scan and debug access; supports HSW high-speed wire protocol |
Key Features
| Feature | Design Value |
|---|---|
| SH-2A CPU Core with FPU | Enables deterministic real-time control with single-cycle floating-point operations for motor control algorithms |
| Dual CAN 2.0B Controllers | Supports redundant vehicle network communication and gateway functionality without external CAN transceivers |
| On-chip USB 2.0 FS Transceiver | Eliminates need for external PHY; enables firmware updates and diagnostics via standard USB cable |
| 12-bit ADC with 16 Channels | Provides simultaneous sampling across multiple sensors in automotive HVAC or battery monitoring systems |
| Integrated Debug (JTAG/HSW) | Allows non-intrusive real-time tracing and breakpoint debugging during field validation and EOL testing |
Applications
| Automotive Body Control Module | Industrial PLC I/O Controller |
|---|---|
Use Scenario: Centralized control of door locks, lighting, wipers, and mirrors in modern vehicles. IC Role / Device Role / Timing Role: Main application MCU executing ASW logic, managing CAN bus communication with other ECUs, and driving GPIO-peripheral interfaces. Use Value: Dual CAN interfaces enable concurrent communication on powertrain and body networks; 100 MHz SH-2A core ensures sub-millisecond response to switch events. | Use Scenario: Modular I/O expansion unit for distributed control in factory automation systems. IC Role / Device Role / Timing Role: Real-time I/O processor handling analog sensor inputs (temperature, pressure), digital actuator outputs, and fieldbus connectivity. Use Value: Integrated 12-bit ADC with hardware-triggered sampling and DTC-assisted data transfer reduces host CPU load and improves cycle consistency. |
| Automotive Diagnostic Tool | Smart Energy Metering Gateway |
Use Scenario: Handheld OBD-II scanner with USB connectivity for firmware updates and log retrieval. IC Role / Device Role / Timing Role: USB device controller interfacing with PC host, CAN protocol stack processor, and display driver interface. Use Value: On-chip USB 2.0 FS transceiver and dual CAN controllers eliminate external PHY/transceiver ICs, reducing BOM count and PCB area. | Use Scenario: Two-way communication hub aggregating meter data over RS-485 and reporting via USB or CAN to utility backend. IC Role / Device Role / Timing Role: Protocol translation engine bridging legacy meter interfaces (SCI/I²C) with modern transport layers (USB/CAN). Use Value: Six SCI channels support concurrent connection to multiple meters; USB device mode enables direct plug-and-play configuration via laptop. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 32-bit automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F72435N100FP#U0 | Same SH-2A core and pinout; 1 MB Flash, 128 KB RAM, additional CAN channel and SCI port | Higher memory and peripheral count suits complex gateway or ADAS domain controller roles | Select when >512 KB Flash or third CAN interface is required; otherwise R5F72434N100FP#U0 offers optimal cost/performance balance |
| R5F72432N100FP#U0 | Same package and core; 256 KB Flash, 32 KB RAM, reduced peripheral set (single CAN, 4 SCI) | Targeted at cost-sensitive entry-level body modules with minimal interface requirements | Choose for simplified designs where dual CAN and USB are not needed; lower memory footprint reduces code validation scope |
Compared with R5F72435N100FP#U0 and R5F72432N100FP#U0, the R5F72434N100FP#U0 delivers balanced integration-sufficient Flash/RAM for mid-tier automotive firmware, dual CAN for redundancy or multi-network support, and USB for serviceability-without over-provisioning resources that increase cost and qualification effort.
Availability
R5F72434N100FP#U0 is available at Aetrix Electronics and suitable for automotive body electronics, industrial PLC I/O modules, and diagnostic tool development requiring stable component supply, long-term lifecycle assurance, and automotive-grade reliability.
Supply support for R5F72434N100FP#U0 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 SH7243 Group-including the R5F72434N100FP#U0-is designed for functional safety–aware automotive body and chassis applications, emphasizing ASIL-B ready architecture, robust peripheral integration, and seamless toolchain compatibility with e2 studio and CS+.
FAQ
What is the maximum operating frequency of the R5F72434N100FP#U0?
The R5F72434N100FP#U0 operates at a maximum CPU frequency of 100 MHz, achieved via its integrated Clock Pulse Generator (CPG) with PLL-based clock synthesis. This frequency is supported across the full industrial temperature range (−40°C to +85°C) and 2.7–3.6 V supply voltage. The R5F72434N100FP#U0's SH-2A core maintains deterministic instruction timing at this rate, enabling hard real-time control loops in automotive and industrial applications.
Does the R5F72434N100FP#U0 include an on-chip USB physical layer?
Yes, the R5F72434N100FP#U0 integrates a full USB 2.0 Full-Speed transceiver with internal termination resistors and differential signaling circuitry. This eliminates the need for external USB PHY components in most designs. The R5F72434N100FP#U0 supports both host and device modes, and its USB_DP/USB_DM pins comply with USB electrical specifications when used with proper PCB layout practices per Renesas Hardware Manual Section 4.8.
How many CAN interfaces does the R5F72434N100FP#U0 support?
The R5F72434N100FP#U0 supports two independent CAN 2.0B controllers (CAN0 and CAN1), each with dedicated TX/RX pins, message RAM, and configurable bit timing registers. Both controllers operate concurrently and support error frame detection, loopback self-test, and automatic retransmission. This dual-CAN capability makes the R5F72434N100FP#U0 suitable for automotive gateways or systems requiring isolated network domains.
Is the R5F72434N100FP#U0 qualified for automotive applications?
Yes, the R5F72434N100FP#U0 is manufactured under Renesas' automotive quality standards and supports functional safety development per ISO 26262 ASIL-B requirements. Its design includes ECC on Flash memory, parity on SRAM, built-in self-test (BIST) support, and failure monitoring features such as oscillation stop detection and watchdog timer with windowing. These capabilities are documented in the R5F72434N100FP#U0 Hardware Manual and applicable Renesas safety manuals.
What debug interface does the R5F72434N100FP#U0 provide?
The R5F72434N100FP#U0 provides a JTAG/HSW (High-Speed Wire) debug interface compliant with IEEE 1149.1, supporting boundary-scan testing, real-time trace, and non-intrusive breakpoint debugging. The interface uses TRST, TDI, TDO, TMS, and TCK pins and is fully supported by Renesas' e2 studio IDE and CS+ development environment. This debug capability is integral to the R5F72434N100FP#U0's validation workflow in safety-critical automotive and industrial deployments.
R5F72434N100FP#U0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 100-LQFP
- Series:
- SuperH RISC
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- SH-2A
- Core Size:
- 32-Bit
- Speed:
- 100MHz
- Connectivity:
- SCI
- Peripherals:
- DMA, PWM, WDT
- Number of I/O:
- 71
- Program Memory Size:
- 256KB (256K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 12K x 8
- Voltage - Supply (Vcc/Vdd):
- 3V ~ 5.5V
- Data Converters:
- A/D 8x12b SAR
- Oscillator Type:
- External
- Operating Temperature:
- -20°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F72434N100FP#U0 FAQ
1.How can I place an order for R5F72434N100FP#U0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F72434N100FP#U0 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 R5F72434N100FP#U0 reliable?
The price and inventory of R5F72434N100FP#U0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F72434N100FP#U0 is usually 5 days.
3.What payment methods are accepted for R5F72434N100FP#U0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F72434N100FP#U0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F72434N100FP#U0?
R5F72434N100FP#U0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F72434N100FP#U0 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 R5F72434N100FP#U0?
For technical support, including R5F72434N100FP#U0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F72434N100FP#U0 requirements.
6.How does Aetrix verify that R5F72434N100FP#U0 is sourced from the original manufacturer or authorized distributors?
All R5F72434N100FP#U0 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 R5F72434N100FP#U0 meets industry standards.
7.What is the process for return or replacement of R5F72434N100FP#U0?
All R5F72434N100FP#U0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F72434N100FP#U0, 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 R5F72434N100FP#U0 part is unused and in its original packaging.
Return procedure for R5F72434N100FP#U0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
R5F72434N100FP#U0 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…
