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Renesas DF71252N50FPV#Z1
- Part No.:
- DF71252N50FPV#Z1
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
DF71252N50FPV#Z1.pdf
- Description:
- SH71253F 50MHZ FP-64K WTR
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
DF71252N50FPV#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 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 DF71252N50FPV#Z1 datasheet, DF71252N50FPV#Z1 pinout, DF71252N50FPV#Z1 application, or DF71252N50FPV#Z1 equivalent, key selection criteria include its 50 MHz clock capability, CAN 2.0B interface compliance, 128 KB Flash with EEPROM emulation support, and industrial-grade temperature range (−40°C to +85°C).
Technical Context
The DF71252N50FPV#Z1 implements the SH-2 CPU architecture with 32-bit data bus and 32-bit address space, supporting both big-endian and little-endian operation modes. It integrates a Clock Pulse Generator (CPG) with PLL for internal clock synthesis, an interrupt controller with 64 vector entries, and a DMA controller supporting 4 channels with scatter-gather capability.
Its peripheral set includes two independent CAN controllers compliant with ISO 11898-1:2003, three asynchronous serial interfaces (SCI) with LIN support, and a 16-bit programmable timer unit with input capture/compare and PWM output functions - all accessible via dedicated I/O pins mapped to the 144-pin LQFP package.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | SuperH™ SH-2 32-bit RISC CPU with 5-stage pipeline and 16 KB instruction cache |
| Max Operating Frequency | 50 MHz - enables real-time loop execution ≤20 ns per instruction cycle under typical conditions |
| On-Chip Memory | 128 KB Flash (with 1 KB EEPROM emulation) + 8 KB SRAM - supports in-application programming (IAP) and data retention without external NV memory |
| Operating Voltage | 3.0 V to 3.6 V - compatible with standard industrial 3.3 V supply rails and tolerant of ±5% regulation variation |
| Temperature Range | −40°C to +85°C - qualified for extended industrial environments without derating |
| CAN Interface | Dual CAN 2.0B controllers with message objects, bit-rate up to 1 Mbps - supports distributed control networks with redundant bus access |
| I/O Pins | 112 general-purpose I/O pins with configurable pull-up/down, slew rate control, and noise filtering - suitable for direct sensor/actuator interfacing |
Pinout & Package
DF71252N50FPV#Z1 is housed in a 144-pin LQFP (20 mm × 20 mm, 0.5 mm pitch) package with exposed thermal pad. Pin assignments follow the SH7125 Group standard layout, with dedicated power/ground pairs, differential CAN transceiver pins, and multiplexed peripheral function pins.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC, VSS | Power supply and ground | Dedicated analog/digital power domains with separate decoupling requirements per hardware manual Section 8 |
| CLK, EXTAL, XTAL | External clock input/output | Supports crystal resonator (4–20 MHz) or external clock source; CPG generates internal 50 MHz system clock |
| CAN0_TX, CAN0_RX | CAN channel 0 differential interface | Direct connection to external CAN transceiver; complies with ISO 11898-2 physical layer signaling |
| CAN1_TX, CAN1_RX | CAN channel 1 differential interface | Independent second CAN bus for redundancy or multi-network topology without software arbitration overhead |
| RESET | Active-low reset input | Asynchronous reset with internal pull-up; requires external RC network for power-on timing per Section 5.2.2 |
| MD0, MD1 | Mode selection inputs | Configure boot mode (ROM/Flash), debug interface enable, and oscillator startup behavior at power-up |
Key Features
| Feature | Design Value |
|---|---|
| Dual CAN 2.0B controllers | Enables concurrent communication on two isolated CAN buses with independent message buffers and error counters |
| 128 KB Flash with EEPROM emulation | Allows field firmware updates and nonvolatile parameter storage without external EEPROM or FRAM components |
| 16-bit timer unit with PWM output | Supports motor control timing, LED dimming, and encoder pulse generation with 16-bit resolution and dead-time insertion |
| Integrated DMA controller (4 channels) | Reduces CPU load during high-bandwidth transfers (e.g., SCI receive buffers, CAN message objects) with automatic descriptor chaining |
| Hardware multiplier/divider | Executes 32×32-bit multiply in 2 cycles and 32÷32-bit divide in 34 cycles - accelerates PID control and signal processing loops |
Applications
| Industrial PLC I/O Module | Automated Test Equipment (ATE) |
|---|---|
Use Scenario: Modular I/O expansion unit in DIN-rail mounted PLC chassis handling analog inputs, digital outputs, and fieldbus communication. IC Role / Device Role / Timing Role: Main controller managing local sensor acquisition, actuator drive timing, and dual-CAN gateway between backplane and field devices. Use Value: 128 KB Flash stores multiple configuration profiles and firmware versions; dual CAN enables simultaneous HART-IP and legacy DeviceNet bridging without external protocol translators. | Use Scenario: Rack-mounted ATE mainframe module performing stimulus generation, response capture, and pass/fail analysis for mixed-signal DUTs. IC Role / Device Role / Timing Role: Real-time sequencer coordinating DAC updates, ADC sampling windows, and digital pattern generator clocks with sub-microsecond jitter control. Use Value: Hardware multiplier and 16-bit timers deliver deterministic loop timing for closed-loop calibration routines; 112 GPIOs support parallel test pin interfacing without FPGA glue logic. |
| Building Energy Management System (BEMS) Controller | Smart Grid Edge Node |
Use Scenario: Distributed HVAC controller integrating temperature/humidity sensors, valve actuators, and BACnet MS/TP communication over RS-485. IC Role / Device Role / Timing Role: Embedded host processor executing control algorithms, managing nonvolatile schedule storage, and translating BACnet to local CAN-based actuator network. Use Value: EEPROM emulation retains occupancy schedules and energy usage logs across power cycles; SCI with LIN support simplifies integration with low-cost sensor nodes. | Use Scenario: Distribution-level grid monitor collecting voltage/current harmonics, fault indicators, and time-synchronized event logs via IEEE 1588 PTP. IC Role / Device Role / Timing Role: Time-critical data aggregator synchronizing sampled measurements from multiple ADCs and timestamping events using internal RTC and CAN-based time distribution. Use Value: Dual CAN provides redundant SCADA reporting paths; 50 MHz core ensures <10 µs latency for fault detection interrupts, meeting IEC 61850-10 Class T3 requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F71252N50FPV#Z1 | Same SH7125 Group silicon; identical pinout, memory map, and peripheral register set - differs only in Renesas part numbering convention post-merger | No functional difference; used interchangeably in legacy designs where documentation references older nomenclature | Select when sourcing from distributors listing original NEC-era part numbers or maintaining backward-compatible BOMs |
| RA6M3 Group (R7FA6M3AH3CFB) | Arm® Cortex®-M4F core, 120 MHz, 1 MB Flash, TrustZone®, no native CAN - requires external CAN FD transceiver and software stack | Targets next-generation designs requiring higher compute throughput, security features, and USB/Ethernet connectivity not available in SH7125 | Choose for new designs needing future-proofing, cybersecurity certification, or migration path beyond SH architecture end-of-life planning |
Compared with R5F71252N50FPV#Z1 and RA6M3, DF71252N50FPV#Z1 delivers proven CAN-native real-time determinism and minimal external component count for cost-sensitive industrial nodes, while offering lower power consumption than Arm-based alternatives at equivalent throughput for fixed-function control tasks.
Availability
DF71252N50FPV#Z1 is available at Aetrix Electronics and suitable for industrial PLC I/O modules, automated test equipment, building energy management systems, and smart grid edge nodes requiring stable component supply and long-term lifecycle support.
Supply support for DF71252N50FPV#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 applications.
The SH7125 Group, including DF71252N50FPV#Z1, was designed for deterministic real-time embedded control in resource-constrained industrial environments - emphasizing CAN-native communication, flash endurance, and robust EMI immunity.
FAQ
What is the maximum operating frequency of the DF71252N50FPV#Z1?
The DF71252N50FPV#Z1 operates at a maximum frequency of 50 MHz, achieved via its integrated Clock Pulse Generator (CPG) with PLL circuitry. This frequency is specified under full industrial temperature range (−40°C to +85°C) and 3.0–3.6 V supply conditions. The DF71252N50FPV#Z1 maintains timing compliance across this range without derating, enabling consistent real-time performance in embedded control applications.
Does the DF71252N50FPV#Z1 support CAN FD or only classical CAN?
The DF71252N50FPV#Z1 supports only classical CAN 2.0B (up to 1 Mbps), not CAN FD. Its dual CAN controllers implement ISO 11898-1:2003 compliant message handling with 32 message objects per channel and hardware acceptance filtering. CAN FD frame format, higher data rates (>1 Mbps), and extended data length are not supported in the SH7125 Group hardware. DF71252N50FPV#Z1 remains suitable for legacy and cost-optimized CAN networks where FD bandwidth is unnecessary.
How much on-chip Flash and RAM does the DF71252N50FPV#Z1 include?
The DF71252N50FPV#Z1 integrates 128 KB of on-chip Flash memory and 8 KB of SRAM. The Flash supports in-application programming (IAP) and includes 1 KB of EEPROM emulation functionality for nonvolatile data storage. The SRAM is unified and accessible by both CPU and DMA, with no cache coherency requirements due to the SH-2 architecture's deterministic memory model. This memory configuration is fixed for the DF71252N50FPV#Z1 variant.
Is the DF71252N50FPV#Z1 pin-compatible with other SH7125 Group members?
Yes, the DF71252N50FPV#Z1 is pin-compatible with other 144-pin LQFP variants in the SH7125 Group, including R5F71252N50FPV#Z1 and R5F71254N50FPV#Z1. All share identical pin assignments, power sequencing, and reset behavior per the SH7125 Group Hardware Manual Rev.5.00. Differences lie solely in memory size (e.g., 256 KB Flash in R5F71254) and peripheral enablement - verified by register-level compatibility testing documented in Renesas application notes.
What development tools are officially supported for the DF71252N50FPV#Z1?
Renesas officially supports the High-performance Embedded Workshop (HEW) v3.x IDE with the SH C/C++ Compiler Package V.9.00 for DF71252N50FPV#Z1 firmware development. Debugging is enabled via the E8/E10 emulator interface using the standard 14-pin JTAG connector defined in the hardware manual. The DF71252N50FPV#Z1 also supports flash programming through the on-chip bootloader accessed via SCI or CAN, eliminating need for external programmers in production.
DF71252N50FPV#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:
- 64KB (64K 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:
DF71252N50FPV#Z1 FAQ
1.How can I place an order for DF71252N50FPV#Z1 through Aetrix?
Please submit a Request for Quotation (RFQ) for DF71252N50FPV#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 DF71252N50FPV#Z1 reliable?
The price and inventory of DF71252N50FPV#Z1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DF71252N50FPV#Z1 is usually 5 days.
3.What payment methods are accepted for DF71252N50FPV#Z1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DF71252N50FPV#Z1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DF71252N50FPV#Z1?
DF71252N50FPV#Z1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DF71252N50FPV#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 DF71252N50FPV#Z1?
For technical support, including DF71252N50FPV#Z1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DF71252N50FPV#Z1 requirements.
6.How does Aetrix verify that DF71252N50FPV#Z1 is sourced from the original manufacturer or authorized distributors?
All DF71252N50FPV#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 DF71252N50FPV#Z1 meets industry standards.
7.What is the process for return or replacement of DF71252N50FPV#Z1?
All DF71252N50FPV#Z1 units undergo pre-shipment inspection (PSI). If there is an issue with DF71252N50FPV#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 DF71252N50FPV#Z1 part is unused and in its original packaging.
Return procedure for DF71252N50FPV#Z1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
DF71252N50FPV#Z1 Tags
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