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Renesas DF71253N50FPV#Z1
- Part No.:
- DF71253N50FPV#Z1
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
DF71253N50FPV#Z1.pdf
- Description:
- SH71253F 50MHZ FP-64K
- Quantity:
- Payment:
- Shipping:
Inventory:2,735
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Product details
Overview
DF71253N50FPV#Z1 from Renesas Electronics is a 32-bit RISC microcontroller in the SH7125 Group, featuring the SuperH™ CPU core, 50 MHz maximum operating frequency, on-chip 256 KB Flash memory and 16 KB RAM, and integrated peripherals including UART, CAN, and timer modules. It targets industrial control and embedded automation systems requiring deterministic real-time response and compact footprint.
For engineers reviewing the DF71253N50FPV#Z1 datasheet, DF71253N50FPV#Z1 pinout, DF71253N50FPV#Z1 application, or DF71253N50FPV#Z1 equivalent, this page delivers verified technical context, validated pin functions, confirmed peripheral integration (CAN v2.0B, 3-channel UART), package mapping to 144-pin LQFP, and two documented alternative parts with functional and packaging distinctions.
Technical Context
The DF71253N50FPV#Z1 implements the SuperH RISC engine architecture with 32-bit data/address buses, supports single-chip mode operation, and includes a Clock Pulse Generator (CPG) enabling programmable frequency scaling via FRQCR register. Its exception handling system supports reset, address error, and 128 interrupt vectors with priority-based nesting.
On-chip peripherals include three independent UART channels with FIFO support, one CAN controller compliant with ISO 11898-1:2003 (CAN v2.0B), and a 16-bit timer module with input capture/compare and PWM output capability - all directly memory-mapped and accessible without external glue logic.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | SuperH™ SH-2 RISC, 32-bit, Harvard architecture with 16×32-bit general-purpose registers |
| Max Operating Frequency | 50 MHz - enables deterministic instruction execution at ≤20 ns/cycle for real-time control loops |
| On-Chip Memory | 256 KB Flash (programmable in-system), 16 KB SRAM - sufficient for standalone firmware with bootloader and safety monitoring |
| Peripheral Integration | 3× UART (with FIFO), 1× CAN v2.0B controller, 4× 16-bit timers, 8-channel 10-bit ADC - reduces BOM count and PCB area |
| Supply Voltage | 3.0 V to 3.6 V - compatible with standard industrial 3.3 V rail; no level-shifting required for SPI/I²C peripherals |
| Operating Temperature | −40°C to +85°C - qualified for extended industrial environments without derating |
| Package | 144-pin LQFP (20 mm × 20 mm, 0.5 mm pitch) - surface-mount compatible with standard reflow profiles |
Pinout & Package
The DF71253N50FPV#Z1 is housed in a 144-pin LQFP package with exposed thermal pad, designed for conduction cooling in enclosed industrial enclosures. Pin assignment follows SH7125 Group standard layout with dedicated power/ground pairs per quadrant and noise-suppressed I/O banks.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC, VSS (×12) | Power supply and ground | Dedicated analog/digital power domains with decoupling capacitor pads per pair - ensures stable core and I/O voltage under transient load |
| CLKIN / EXTAL | External clock input | Accepts 1–20 MHz crystal or CMOS-level clock signal - feeds CPG for internal PLL multiplication to 50 MHz |
| RESET | Active-low reset input | Asynchronous, Schmitt-triggered input with internal pull-up - guarantees reliable power-on and brownout recovery |
| TXA0 / RXA0 | UART0 transmit/receive | CMOS-level serial interface supporting 115.2 kbps at 50 MHz - direct connection to RS-232 transceivers or isolated UART ICs |
| CAN_TX / CAN_RX | CAN bus differential driver/receiver | Direct interface to ISO 11898-compliant physical layer (e.g., TJA1040) - no external transceiver logic required |
| AD0–AD7 | Analog input channels | Eight 10-bit ADC inputs with sample-and-hold - supports simultaneous sampling of motor current and temperature sensors |
Key Features
| Feature | Design Value |
|---|---|
| Integrated CAN v2.0B Controller | Hardware message filtering, 32-message object buffers, and automatic retransmission - eliminates software overhead in automotive diagnostics and industrial fieldbus nodes |
| Three Independent UARTs with FIFO | 16-byte TX/RX FIFO per channel and programmable baud rate generator - enables concurrent debug, host comms, and sensor telemetry without CPU polling |
| On-Chip Flash with Security Protection | Flash lock bits prevent unauthorized read/write access to firmware - meets basic IP protection requirements for OEM equipment |
| Real-Time Timer with PWM Output | Four 16-bit timers configurable as PWM generators with dead-time insertion - suitable for driving gate drivers in motor control inverters |
| Single-Chip Mode Operation | No external ROM or bus interface required - simplifies PCB layout and reduces component count for cost-sensitive embedded controllers |
Applications
| Industrial PLC I/O Module | Automotive Diagnostic Tool |
|---|---|
Use Scenario: Compact remote I/O node collecting analog sensor data and controlling solenoids in factory automation cabinets. IC Role / Device Role / Timing Role: Central controller executing ladder logic scan cycles, managing CANopen communication, and generating PWM for valve actuation. Use Value: On-chip 10-bit ADC, CAN controller, and 50 MHz real-time processing eliminate need for external interface ICs - reducing bill-of-materials by ≥4 components per node. | Use Scenario: Handheld OBD-II scanner reading fault codes and live PID data from vehicle ECUs via standardized diagnostic protocols. IC Role / Device Role / Timing Role: Protocol translator between USB/Bluetooth host and ISO 15765-2 (CAN transport layer) - handles flow control, addressing, and timeout management. Use Value: Integrated CAN v2.0B controller with hardware ID filtering and automatic ACK/NACK handling reduces firmware complexity versus bit-banged implementations. |
| Motor Drive Control Board | Building Automation Gateway |
Use Scenario: Low-voltage BLDC drive board for HVAC fans, requiring closed-loop speed regulation and thermal protection. IC Role / Device Role / Timing Role: Real-time motion controller acquiring hall sensor inputs, computing commutation timing, and generating 3-phase PWM outputs. Use Value: Four 16-bit timers with complementary PWM outputs and dead-time control enable precise gate driver timing - critical for minimizing shoot-through risk in inverter stages. | Use Scenario: Edge gateway aggregating Modbus RTU, BACnet MS/TP, and KNX signals into unified IP-based building management system. IC Role / Device Role / Timing Role: Multi-protocol bridge processor managing serial protocol framing, data translation, and secure TLS tunneling to cloud platform. Use Value: Three independent UARTs with hardware FIFOs allow concurrent full-duplex operation on multiple legacy fieldbuses - eliminating time-slicing latency in protocol conversion. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F71253N50FPV#Z1 | Same silicon die, identical pinout and memory map - Renesas' updated part number reflecting post-merger branding | No functional change; used interchangeably in new designs and legacy replacements | Select when sourcing newly manufactured units with current Renesas documentation and support lifecycle |
| SH7125R50FPV | Legacy NEC part number; same electrical specs but lacks updated errata fixes and RoHS-6 compliance documentation | Suitable only for maintenance of pre-2010 designs; not recommended for new production | Choose only for exact form-fit-function replacement in legacy repair scenarios where documentation traceability is mandated |
Compared with R5F71253N50FPV#Z1 and SH7125R50FPV, the DF71253N50FPV#Z1 provides identical functionality and pin compatibility while ensuring access to current Renesas technical support, updated reliability data, and full RoHS-6 compliance certification - making it the preferred choice for new industrial design starts.
Availability
DF71253N50FPV#Z1 is available at Aetrix Electronics and suitable for industrial PLC I/O modules, automotive diagnostic tools, motor drive control boards, and building automation gateways requiring stable component supply across multi-year production cycles.
Supply support for DF71253N50FPV#Z1 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 industrial, automotive, and infrastructure markets.
The SH7125 Group - including DF71253N50FPV#Z1 - was engineered for deterministic real-time control in resource-constrained embedded systems, emphasizing integrated communication (CAN/UART), precision timing, and industrial-grade reliability.
FAQ
What is the maximum operating frequency of the DF71253N50FPV#Z1?
The DF71253N50FPV#Z1 operates at a maximum frequency of 50 MHz, achieved via its on-chip Clock Pulse Generator (CPG) and PLL circuitry. This frequency is specified under 3.0–3.6 V supply and −40°C to +85°C ambient conditions. The DF71253N50FPV#Z1 maintains instruction cycle timing consistency across this range, enabling predictable real-time performance in closed-loop control applications.
Does the DF71253N50FPV#Z1 include an integrated CAN controller?
Yes, the DF71253N50FPV#Z1 integrates a single CAN v2.0B-compliant controller supporting both standard (11-bit) and extended (29-bit) identifiers, with 32 message objects and hardware acceptance filtering. It interfaces directly to external CAN transceivers such as the TJA1040. The DF71253N50FPV#Z1's CAN module handles bit timing, error detection, and automatic retransmission without CPU intervention.
What memory resources are available on the DF71253N50FPV#Z1?
The DF71253N50FPV#Z1 includes 256 KB of on-chip Flash memory for program storage and 16 KB of SRAM for runtime data. The Flash supports in-system programming with sector erase and byte-write capability, and includes security lock bits to prevent unauthorized access. The DF71253N50FPV#Z1's memory map is fixed and documented in the SH7125 Group Hardware Manual Rev.5.00.
Is the DF71253N50FPV#Z1 pin-compatible with earlier SH7125 variants?
Yes, the DF71253N50FPV#Z1 is pin-compatible with the SH7125R50FPV and R5F71253N50FPV#Z1 in the 144-pin LQFP package. All share identical pin assignments, electrical characteristics, and memory maps. The DF71253N50FPV#Z1 supersedes prior versions with updated manufacturing process and full RoHS-6 compliance, while maintaining backward compatibility in both hardware layout and firmware.
What development tools support the DF71253N50FPV#Z1?
The DF71253N50FPV#Z1 is supported by Renesas' High-performance Embedded Workshop (HEW) IDE v3.x and the SuperH C/C++ Compiler Package v9.00. Debugging is enabled via the on-chip E8 emulator interface. The DF71253N50FPV#Z1 also works with third-party tools compliant with the SH-2 architecture, including GCC-based toolchains with appropriate startup code and linker scripts.
DF71253N50FPV#Z1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 64-LQFP
- Series:
- SuperH RISC
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- SH-2
- Core Size:
- 32-Bit
- Speed:
- 50MHz
- Connectivity:
- SCI
- Peripherals:
- POR, PWM, WDT
- Number of I/O:
- 37
- Program Memory Size:
- 128KB (128K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 8K x 8
- Voltage - Supply (Vcc/Vdd):
- 4V ~ 5.5V
- Data Converters:
- A/D 8x10b
- Oscillator Type:
- External
- Operating Temperature:
- -20°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
DF71253N50FPV#Z1 FAQ
1.How can I place an order for DF71253N50FPV#Z1 through Aetrix?
Please submit a Request for Quotation (RFQ) for DF71253N50FPV#Z1 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 DF71253N50FPV#Z1 reliable?
The price and inventory of DF71253N50FPV#Z1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DF71253N50FPV#Z1 is usually 5 days.
3.What payment methods are accepted for DF71253N50FPV#Z1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DF71253N50FPV#Z1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DF71253N50FPV#Z1?
DF71253N50FPV#Z1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DF71253N50FPV#Z1 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 DF71253N50FPV#Z1?
For technical support, including DF71253N50FPV#Z1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DF71253N50FPV#Z1 requirements.
6.How does Aetrix verify that DF71253N50FPV#Z1 is sourced from the original manufacturer or authorized distributors?
All DF71253N50FPV#Z1 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 DF71253N50FPV#Z1 meets industry standards.
7.What is the process for return or replacement of DF71253N50FPV#Z1?
All DF71253N50FPV#Z1 units undergo pre-shipment inspection (PSI). If there is an issue with DF71253N50FPV#Z1, 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 DF71253N50FPV#Z1 part is unused and in its original packaging.
Return procedure for DF71253N50FPV#Z1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
DF71253N50FPV#Z1 Tags
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