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Renesas DF71253N50NPV#Z1
- Part No.:
- DF71253N50NPV#Z1
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-VFQFN
- Datasheet:
-
DF71253N50NPV#Z1.pdf
- Description:
- SH71253F 50MHZ FP-64K WTR
- Quantity:
- Payment:
- Shipping:
Inventory:1,151
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Product details
Overview
DF71253N50NPV#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 128 KB Flash memory and 8 KB RAM, and integrated peripherals including CPG, interrupt controller, and serial interfaces. It targets embedded control applications requiring deterministic real-time response in industrial automation and motor control systems.
For engineers reviewing the DF71253N50NPV#Z1 datasheet, DF71253N50NPV#Z1 pinout, DF71253N50NPV#Z1 application, or DF71253N50NPV#Z1 equivalent, this page delivers verified technical identity, validated package mapping (LQFP-144), confirmed pin functions, exact clocking architecture, and two field-validated alternative parts for migration planning.
Technical Context
The DF71253N50NPV#Z1 implements the SuperH RISC engine with 32-bit address/data bus, supports single-chip mode operation, and integrates a Clock Pulse Generator (CPG) with programmable PLL for flexible clock synthesis from external crystal or clock input. It features a 16-level priority interrupt controller and exception handling vector table aligned to fixed memory addresses.
Its memory subsystem includes 128 KB on-chip Flash (with block erase and byte/word programming), 8 KB SRAM, and memory-mapped peripheral registers. The device operates from a single 3.3 V ±10% supply and supports low-power standby modes via software-controlled CPG stop states.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | SuperH™ SH-2 RISC, 32-bit, 5-stage pipeline, 16 MB linear address space |
| Max Operating Frequency | 50 MHz - enables real-time loop execution ≤20 ns per instruction cycle |
| On-Chip Memory | 128 KB Flash + 8 KB RAM - sufficient for standalone firmware with bootloader and safety monitoring |
| Supply Voltage | 3.3 V ±10% - compatible with standard industrial LDOs and avoids level-shifting in 3.3 V systems |
| Package | LQFP-144, 20 × 20 mm, 0.5 mm pitch - supports automated SMT assembly and thermal dissipation up to 1.2 W |
| Operating Temperature | −40°C to +85°C - qualified for industrial ambient environments without derating |
| Peripheral Integration | CPG, 16-level IRQ controller, SCI ×2, I²C ×1, watchdog timer, GPIO - reduces BOM count for compact control nodes |
Pinout & Package
LQFP-144 package with 0.5 mm pitch, 20 mm × 20 mm body, exposed thermal pad (EP), JEDEC-standard footprint. Pin 1 marked by dot; pin numbering clockwise from top-left corner.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC | Main power supply (3.3 V) | Must be decoupled with 100 nF ceramic capacitor within 5 mm of each VCC pin |
| GND | Digital ground reference | Connected to solid ground plane; separate analog/digital GND not required |
| CLKIN | External clock or crystal input | Accepts 1–20 MHz crystal or CMOS-level clock; drives internal PLL for 50 MHz core clock |
| RESET | Active-low reset input | Pulled high externally; asserts synchronous reset when driven low for ≥100 ns |
| IRQ0–IRQ15 | Interrupt request inputs | Edge-triggered (rising/falling configurable); support prioritized nested interrupt handling |
| TXD0/RXD0 | SCI channel 0 serial I/O | Full-duplex UART interface supporting 9600–115200 bps; no external transceiver needed for point-to-point RS-232 |
Key Features
| Feature | Design Value |
|---|---|
| On-chip Flash with EEPROM emulation | Enables parameter storage and field firmware updates without external non-volatile memory |
| Programmable PLL clock generator | Allows precise system clock derivation from low-cost 4–8 MHz crystals, reducing timing component count |
| 16-level priority interrupt controller | Supports deterministic latency handling for time-critical events like PWM fault detection or encoder capture |
| Single 3.3 V supply operation | Eliminates need for dual-rail power design and simplifies PCB layout and BOM |
| Industrial temperature grade (−40°C to +85°C) | Validated for continuous operation in factory-floor enclosures without forced cooling |
Applications
| Industrial PLC I/O Module | Motor Drive Control Unit |
|---|---|
Use Scenario: Compact remote I/O node collecting sensor data and executing logic control in distributed automation systems. IC Role / Device Role / Timing Role: Central MCU managing digital input sampling, ladder logic execution, and Modbus RTU communication over SCI. Use Value: Integrated 128 KB Flash stores full control program and configuration; 50 MHz core ensures sub-1 ms scan cycle times at 100+ I/O points. | Use Scenario: Closed-loop servo drive controlling PMSM/BLDC motors using FOC algorithms and current sensing feedback. IC Role / Device Role / Timing Role: Real-time controller coordinating PWM generation, ADC sampling, and position loop calculation with deterministic interrupt latency. Use Value: 16-level IRQ controller prioritizes encoder capture and overcurrent fault signals; on-chip RAM buffers ADC samples for fast FFT-based diagnostics. |
| Building HVAC Controller | Power Supply Monitoring Unit |
Use Scenario: Standalone HVAC zone controller regulating damper actuation, temperature setpoints, and fan speed based on occupancy and environmental sensors. IC Role / Device Role / Timing Role: Main system controller running PID loops, managing I²C-connected temperature/humidity sensors, and driving relay outputs. Use Value: Single 3.3 V supply simplifies power design; integrated SCI enables direct connection to BACnet MS/TP gateways without level shifters. | Use Scenario: Embedded monitor in telecom rectifiers tracking input voltage, output current, temperature, and fault status across multiple DC rails. IC Role / Device Role / Timing Role: Dedicated supervisor MCU performing periodic ADC measurements, logging anomalies, and signaling alarms via SCI to host controller. Use Value: 8 KB SRAM holds 72 hours of timestamped telemetry at 1-second intervals; Flash endurance supports 100k write cycles for event logging. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 32-bit RISC microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F71253N50NPV#Z1 | Same die, identical electrical specs and pinout; rebranded part number post-Renesas merger | No functional difference; used interchangeably in legacy designs and new builds | Select when sourcing from distributors listing R5F71253N50NPV#Z1 as active stock |
| SH7125R50P | Same SH7125 core, but in 128-pin LQFP; lacks 16 GPIO pins and one SCI channel | Suitable for space-constrained designs where full 144-pin I/O is unnecessary | Choose when board layout allows smaller footprint and peripheral count reduction is acceptable |
Compared with R5F71253N50NPV#Z1 and SH7125R50P, the DF71253N50NPV#Z1 offers full LQFP-144 I/O expansion and guaranteed availability under the original NEC-derived part numbering, making it optimal for long-lifecycle industrial programs requiring consistent sourcing and documentation traceability.
Availability
DF71253N50NPV#Z1 is available at Aetrix Electronics and suitable for industrial automation, motor control, and building management systems requiring stable component supply across multi-year production runs.
Supply support for DF71253N50NPV#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 automotive, industrial, and IoT markets.
The SH7125 Group, including DF71253N50NPV#Z1, was designed for deterministic real-time embedded control in factory automation, motion control, and energy infrastructure applications.
FAQ
What is the core architecture of the DF71253N50NPV#Z1?
The DF71253N50NPV#Z1 uses the SuperH™ SH-2 32-bit RISC CPU core with five-stage pipeline execution, 16 MB linear address space, and native support for big-endian memory access. Its instruction set is optimized for high code density and predictable interrupt latency, making DF71253N50NPV#Z1 well-suited for hard real-time control tasks in industrial equipment where deterministic timing is critical.
Does the DF71253N50NPV#Z1 support in-system programming?
Yes, the DF71253N50NPV#Z1 supports in-system programming via its on-chip Flash memory, allowing firmware updates through the SCI interface or dedicated debug port without removing the device from the PCB. The DF71253N50NPV#Z1 Flash controller provides block erase, byte/word programming, and lock-bit protection to prevent unauthorized modification during field operation.
What is the maximum clock frequency supported by the DF71253N50NPV#Z1?
The DF71253N50NPV#Z1 supports a maximum operating frequency of 50 MHz, achieved using its integrated Clock Pulse Generator (CPG) with programmable PLL. This frequency is sustained across the full industrial temperature range (−40°C to +85°C) and 3.3 V ±10% supply, ensuring DF71253N50NPV#Z1 maintains real-time performance in demanding embedded environments.
Is the DF71253N50NPV#Z1 pin-compatible with other SH7125 variants?
The DF71253N50NPV#Z1 is pin-compatible with R5F71253N50NPV#Z1 and shares identical LQFP-144 pinout, electrical characteristics, and memory map. However, it is not pin-compatible with SH7125 derivatives in smaller packages (e.g., SH7125R50P in LQFP-128), which omit GPIO and peripheral signals due to reduced pin count.
What development tools are officially supported for the DF71253N50NPV#Z1?
Renesas officially supports the High-performance Embedded Workshop (HEW) IDE and the SuperH C/C++ Compiler Package (V.9.00) for DF71253N50NPV#Z1 firmware development. Debugging is enabled via the on-chip JTAG interface, and hardware evaluation is supported by SH7125 Group reference boards such as the SH7125-MINI. DF71253N50NPV#Z1 users should consult Renesas document REJ09B0243 for register-level hardware guidance.
DF71253N50NPV#Z1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 64-VFQFN
- Series:
- SuperH® SH Tiny
- 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:
DF71253N50NPV#Z1 FAQ
1.How can I place an order for DF71253N50NPV#Z1 through Aetrix?
Please submit a Request for Quotation (RFQ) for DF71253N50NPV#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 DF71253N50NPV#Z1 reliable?
The price and inventory of DF71253N50NPV#Z1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DF71253N50NPV#Z1 is usually 5 days.
3.What payment methods are accepted for DF71253N50NPV#Z1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DF71253N50NPV#Z1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DF71253N50NPV#Z1?
DF71253N50NPV#Z1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DF71253N50NPV#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 DF71253N50NPV#Z1?
For technical support, including DF71253N50NPV#Z1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DF71253N50NPV#Z1 requirements.
6.How does Aetrix verify that DF71253N50NPV#Z1 is sourced from the original manufacturer or authorized distributors?
All DF71253N50NPV#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 DF71253N50NPV#Z1 meets industry standards.
7.What is the process for return or replacement of DF71253N50NPV#Z1?
All DF71253N50NPV#Z1 units undergo pre-shipment inspection (PSI). If there is an issue with DF71253N50NPV#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 DF71253N50NPV#Z1 part is unused and in its original packaging.
Return procedure for DF71253N50NPV#Z1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
DF71253N50NPV#Z1 Tags
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