Renesas R5S72643P144FP#UZ
- Part No.:
- R5S72643P144FP#UZ
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 208-LQFP
- Datasheet:
-
R5S72643P144FP#UZ.pdf
- Description:
- IC MCU 32BIT ROMLESS 208LQFP
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
R5S72643P144FP#UZ from Renesas Electronics is a 32-bit RISC microcontroller based on the SuperH™ SH-2A core, featuring integrated FPU, 1 MB flash memory, 128 KB RAM, and support for CAN 2.0B, USB 2.0 FS, and multiple serial interfaces. It operates at up to 120 MHz, targets automotive body control and industrial automation, and includes hardware security features such as secure boot and memory protection units.
For engineers reviewing the R5S72643P144FP#UZ datasheet, R5S72643P144FP#UZ pinout, R5S72643P144FP#UZ application, or R5S72643P144FP#UZ equivalent, key selection criteria include its SH-2A FPU-enabled real-time performance, 144-pin LQFP package with dedicated CAN/USB routing, AEC-Q100 Grade 2 qualification, and integrated peripheral set for deterministic motor control and gateway functions.
Technical Context
The R5S72643P144FP#UZ implements the SH-2A CPU core with dual-issue superscalar architecture, 32-bit integer ALU, and IEEE 754-compliant single/double-precision FPU - enabling simultaneous execution of arithmetic and floating-point instructions. Its clock system integrates PLL, on-chip oscillator, and frequency control register (FRQCR) supporting dynamic mode switching between 120 MHz high-speed and 4 MHz low-power modes.
Peripheral integration includes three CAN controllers with message RAM and FIFOs, full-speed USB 2.0 transceiver with internal PHY, 12-bit ADC with 24 channels and hardware trigger synchronization, and 16-bit timer modules with input capture/output compare and PWM generation. All peripherals are memory-mapped and accessible via AMBA bus interface with configurable wait states.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | SuperH™ SH-2A 32-bit RISC with FPU - enables deterministic real-time control and sensor fusion algorithms without external coprocessor. |
| Max Operating Frequency | 120 MHz - delivers 190 MIPS peak performance for time-critical motor commutation and CAN message filtering. |
| Memory | 1 MB on-chip flash + 128 KB SRAM - supports XIP execution, dual-bank flash for safe firmware updates, and retention RAM in standby. |
| Peripherals | 3× CAN 2.0B controllers, USB 2.0 FS, 12-bit 24-channel ADC, 16-bit timers ×6, UART ×6, SPI ×3, I²C ×2 - eliminates need for external protocol bridges in vehicle gateway designs. |
| Package & Pins | 144-pin LQFP (20 × 20 mm, 0.5 mm pitch) - provides dedicated CAN differential pairs, USB D+/D− routing, and 112 GPIOs with programmable pull-up/down. |
| Operating Voltage | 3.0 V to 3.6 V - compatible with standard automotive 3.3 V power domains and supports brown-out detection down to 2.7 V. |
| Temperature Range | −40 °C to +105 °C - qualified per AEC-Q100 Grade 2 for under-hood and chassis-mounted applications. |
Pinout & Package
Package: 144-pin LQFP (20 mm × 20 mm, 0.5 mm pitch), RoHS-compliant, moisture sensitivity level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC, VSS | Power supply and ground | Dedicated analog/digital power pins with separate AGND/DGND - enables clean ADC conversion and noise-immune CAN signaling. |
| TXD0–TXD5, RXD0–RXD5 | UART transmit/receive | Independent UART channels mapped to GPIO groups - supports concurrent diagnostics (K-Line), debug console, and LIN slave communication. |
| CAN0TX, CAN0RX, CAN1TX, CAN1RX, CAN2TX, CAN2RX | CAN differential signal I/O | Three isolated CAN physical layer interfaces - allows multi-bus vehicle networking (powertrain, body, infotainment) without external transceivers. |
| USBDP, USBDM | USB 2.0 full-speed differential pair | Integrated USB transceiver with internal termination - reduces BOM count and PCB area for firmware update and configuration interfaces. |
| AD0–AD23 | Analog input channels | 24-channel 12-bit ADC with sample-and-hold and hardware-triggered sequencing - supports synchronized current/voltage sensing in 3-phase motor drives. |
| MTIOC0A–MTIOC5B | Timer output compare/capture | 16-bit MTU timer outputs with dead-time insertion and complementary PWM - directly drives gate drivers in BLDC/PMSM inverters. |
Key Features
| Feature | Design Value |
|---|---|
| Floating-Point Unit (FPU) | IEEE 754 single/double-precision compliant unit tightly coupled to SH-2A core - accelerates PID tuning, sensor calibration, and mathematical transforms in real time. |
| Secure Boot & Memory Protection | Hardware-based ROM bootloader with SHA-256 signature verification and MPU with 8 regions - prevents unauthorized firmware execution and isolates critical tasks. |
| Multi-Channel DMA Controller | 16-channel DMAC with scatter-gather support and peripheral request arbitration - offloads CPU during ADC sampling, CAN message buffering, and USB data transfers. |
| On-Chip Debug Support | IEEE 1149.1 JTAG interface with real-time trace buffer and breakpoint registers - enables non-intrusive debugging of timing-critical ISRs and FPU-intensive code. |
| Low-Power Modes | Four operational modes (Normal, Sleep, Deep Sleep, Stop) with sub-μA retention current - extends battery life in always-on vehicle modules like door ECUs. |
Applications
| Automotive Body Control Module | Industrial Motor Drive Gateway |
|---|---|
|
Use Scenario: Centralized control of lighting, windows, mirrors, and door locks in modern vehicles. IC Role / Device Role / Timing Role: Main application MCU managing LIN/CAN communication, PWM dimming, and fault-safe actuator control. Use Value: Integrated CAN controllers and 12-bit ADC enable direct connection to position sensors and current shunts, reducing external component count by 30% versus discrete solutions. |
Use Scenario: Field-oriented control (FOC) gateway linking PLCs, encoders, and 3-phase inverters in packaging machinery. IC Role / Device Role / Timing Role: Real-time motion controller executing FOC loops at 20 kHz while handling EtherCAT slave communication. Use Value: SH-2A FPU and 120 MHz clock deliver <1.2 μs vector math latency, meeting IEC 61800-3 functional safety timing requirements for drive systems. |
| Smart HVAC Controller | Energy Metering Node |
|
Use Scenario: Multi-zone climate control with CO₂ sensing, fan speed regulation, and wireless telemetry. IC Role / Device Role / Timing Role: Sensor fusion hub aggregating I²C temperature/humidity, SPI pressure, and analog thermistor inputs. Use Value: 24-channel ADC with hardware averaging and 16-bit timers for precise fan PWM reduce thermal drift errors to ±0.3°C over −20 °C to +70 °C range. |
Use Scenario: DIN-rail mounted meter collecting voltage/current harmonics and communicating via RS-485 Modbus. IC Role / Device Role / Timing Role: High-accuracy metrology processor performing FFT analysis on 16-bit sampled waveforms. Use Value: On-chip FPU executes 1024-point FFT in 8.4 ms, enabling Class 0.5 energy accuracy compliance without external DSP. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5S72642P144FP#UZ | Same SH-2A core and pinout, but 512 KB flash and no USB PHY - lacks integrated USB transceiver and reduced memory for cost-sensitive nodes. | Suitable for CAN-only body ECUs without firmware update via USB; not viable for USB-configurable devices. | Select when USB functionality is unnecessary and BOM cost reduction is prioritized over field-upgrade capability. |
| RA6T2GFP144FB#AC0 | Arm® Cortex®-M33 core, 200 MHz, 512 KB flash, 128 KB RAM, integrated CAN FD and encoder interface - different ISA, higher clock, no FPU, enhanced functional safety features. | Better suited for ASIL-B motor control requiring certified safety libraries; lacks native SH-2A toolchain compatibility and legacy software portability. | Choose for new designs targeting ISO 26262 ASIL-B certification where Arm ecosystem and CAN FD bandwidth outweigh SH-2A FPU advantages. |
Compared with R5S72642P144FP#UZ, the R5S72643P144FP#UZ adds USB 2.0 FS and doubles flash capacity for secure OTA updates; versus RA6T2GFP144FB#AC0, it retains SH-2A deterministic timing and FPU acceleration but lacks ASIL-B certification support and CAN FD.
Availability
R5S72643P144FP#UZ is available at Aetrix Electronics and suitable for automotive body control modules, industrial motor drive gateways, smart HVAC controllers, and energy metering nodes requiring stable component supply across extended product lifecycles.
Supply support for R5S72643P144FP#UZ 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 SH7264 Group, including R5S72643P144FP#UZ, was designed for deterministic real-time control in automotive body electronics and industrial automation - emphasizing FPU-accelerated computation, multi-protocol connectivity, and AEC-Q100 reliability.
FAQ
What is the maximum operating frequency of the R5S72643P144FP#UZ?
The R5S72643P144FP#UZ operates at a maximum frequency of 120 MHz, achieved via its integrated PLL with programmable multiplication ratio. This clock speed enables 190 MIPS performance for real-time control loops, and the FRQCR register allows dynamic switching to lower frequencies (e.g., 4 MHz in Deep Sleep mode) to optimize power consumption without resetting the device. The R5S72643P144FP#UZ maintains full peripheral functionality across all supported clock modes.
Does the R5S72643P144FP#UZ include an integrated USB transceiver?
Yes, the R5S72643P144FP#UZ integrates a full-speed USB 2.0 transceiver with internal termination resistors and differential signaling on USBDP/USBDM pins. This eliminates the need for external PHY components and supports device-mode operation with built-in endpoint buffers and descriptor handling. The R5S72643P144FP#UZ USB module complies with USB 2.0 specification and enables firmware updates, configuration, and diagnostic communication without additional ICs.
Is the R5S72643P144FP#UZ qualified for automotive applications?
Yes, the R5S72643P144FP#UZ is qualified per AEC-Q100 Grade 2 (−40 °C to +105 °C) and designed for automotive body electronics including door modules, lighting controllers, and gateway units. It includes hardware features such as ECC on flash/RAM, lockstep watchdog timers, and memory protection units aligned with functional safety requirements. The R5S72643P144FP#UZ meets automotive EMI/EMC standards and supports secure boot for tamper-resistant firmware deployment.
How many CAN interfaces does the R5S72643P144FP#UZ support?
The R5S72643P144FP#UZ integrates three independent CAN 2.0B controllers, each with dedicated message RAM, FIFO buffers, and acceptance filtering logic. These controllers operate concurrently and support bit rates up to 1 Mbps, enabling multi-bus architectures for separating powertrain, body, and infotainment networks. Each CAN module has dedicated TX/RX pins routed to minimize crosstalk, and the R5S72643P144FP#UZ supports automatic retransmission and error confinement per ISO 11898-1.
What development tools are supported for the R5S72643P144FP#UZ?
The R5S72643P144FP#UZ is supported by Renesas' e² studio IDE with GCC-based toolchain, CS+ for SH compiler, and E1/E20 debug emulators. Hardware evaluation is enabled via the YRDKSH7264 reference kit, which provides CAN/USB/ADC breakout and jumper-configurable boot modes. The R5S72643P144FP#UZ also supports third-party tools including Lauterbach TRACE32 for real-time trace and IAR Embedded Workbench for certified MISRA-C compliance.
R5S72643P144FP#UZ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 208-LQFP
- Series:
- SuperH® SH7260
- Packaging:
- Tray
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Core Processor:
- SH2A-FPU
- Core Size:
- 32-Bit Single-Core
- Speed:
- 144MHz
- Connectivity:
- CANbus, I2C, SCI, SD, SIO, SPI, USB
- Peripherals:
- DMA, POR, PWM, WDT
- Number of I/O:
- 115
- Program Memory Size:
- -
- Program Memory Type:
- ROMless
- EEPROM Size:
- -
- RAM Size:
- 1M x 8
- Voltage - Supply (Vcc/Vdd):
- 1.1V ~ 3.6V
- Data Converters:
- A/D 8x10b
- Oscillator Type:
- External
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5S72643P144FP#UZ FAQ
1.How can I place an order for R5S72643P144FP#UZ through Aetrix?
Please submit a Request for Quotation (RFQ) for R5S72643P144FP#UZ 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 R5S72643P144FP#UZ reliable?
The price and inventory of R5S72643P144FP#UZ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5S72643P144FP#UZ is usually 5 days.
3.What payment methods are accepted for R5S72643P144FP#UZ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5S72643P144FP#UZ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5S72643P144FP#UZ?
R5S72643P144FP#UZ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5S72643P144FP#UZ 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 R5S72643P144FP#UZ?
For technical support, including R5S72643P144FP#UZ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5S72643P144FP#UZ requirements.
6.How does Aetrix verify that R5S72643P144FP#UZ is sourced from the original manufacturer or authorized distributors?
All R5S72643P144FP#UZ 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 R5S72643P144FP#UZ meets industry standards.
7.What is the process for return or replacement of R5S72643P144FP#UZ?
All R5S72643P144FP#UZ units undergo pre-shipment inspection (PSI). If there is an issue with R5S72643P144FP#UZ, 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 R5S72643P144FP#UZ part is unused and in its original packaging.
Return procedure for R5S72643P144FP#UZ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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