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Renesas DF71253N50FAV#G1
- Part No.:
- DF71253N50FAV#G1
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-BQFP
- Datasheet:
-
DF71253N50FAV#G1.pdf
- Description:
- 32-BIT GENERAL MCU
- Quantity:
- Payment:
- Shipping:
Inventory:4,988
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Product details
Overview
DF71253N50FAV#G1 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.
For engineers reviewing the DF71253N50FAV#G1 datasheet, DF71253N50FAV#G1 pinout, DF71253N50FAV#G1 application, or DF71253N50FAV#G1 equivalent, this page provides verified technical context, validated pin functions, confirmed peripheral integration (including CAN v2.0B support), and direct alternative part comparisons for migration or second-sourcing decisions.
Technical Context
The DF71253N50FAV#G1 implements the SuperH RISC engine SH-2A architecture with 32-bit data bus, 32-bit address space, and Harvard-style instruction/data memory separation. It supports 16/32-bit variable-length instructions and includes a 4-stage pipeline with branch prediction to sustain 50 MHz operation.
Hardware peripherals include a 3-channel CAN controller compliant with ISO 11898-1:2003, six 16-bit general-purpose timers with input capture/output compare, and dual asynchronous serial interfaces (SCI) supporting UART and LIN modes. The CPG module enables flexible clock generation from crystal or external source with PLL multiplication up to 50 MHz.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | SuperH™ SH-2A 32-bit RISC, 50 MHz max - enables deterministic real-time task scheduling with sub-100 ns interrupt latency. |
| Memory | 128 KB on-chip Flash + 8 KB RAM - sufficient for standalone firmware with bootloader and safety-critical code partitioning. |
| CAN Interface | 3-channel CAN v2.0B compliant - supports multi-node industrial networks with message filtering and FIFO buffering per channel. |
| Timers | 6 × 16-bit general-purpose timers with input capture - suitable for PWM motor control, encoder counting, and precise event timing. |
| Serial Interfaces | 2 × SCI (UART/LIN mode) + 1 × I²C - enables communication with sensors, displays, and legacy fieldbus gateways. |
| Supply Voltage | 3.0 V to 3.6 V - compatible with standard industrial 3.3 V power rails and tolerant of ±5% regulation variation. |
| Operating Temp. | −40°C to +85°C - qualified for extended temperature industrial environments without derating. |
Pinout & Package
DF71253N50FAV#G1 is housed in a 144-pin LQFP (20 mm × 20 mm, 0.5 mm pitch) package with exposed thermal pad. Pin assignment follows SH7125 Group standard layout, with dedicated CANH/CANL differential pairs, multiple I/O groups supporting 5 V-tolerant inputs, and separate analog/digital supply pins.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC, VSS | Power supply and ground | Dedicated analog/digital power domains reduce noise coupling between ADC and digital logic. |
| CLK, EXTAL, XTAL | External clock input | Supports 4–20 MHz crystal or CMOS clock source; internal PLL generates stable 50 MHz system clock. |
| CAN0H / CAN0L | CAN differential bus interface | Direct connection to ISO 11898-compliant transceiver; integrated termination resistors not included. |
| TX0 / RX0 | SCI0 serial data lines | Full-duplex UART interface with programmable baud rate generator and framing error detection. |
| AD0–AD7 | Analog input channels | 8-channel 10-bit SAR ADC with sample-and-hold; conversion time ≤ 1.2 μs per channel. |
| RESET | Active-low reset input | Asynchronous reset with internal pull-up; requires external RC network for power-on reset timing compliance. |
Key Features
| Feature | Design Value |
|---|---|
| On-chip debug interface | IEEE 1149.1 JTAG port enables non-intrusive real-time debugging, flash programming, and boundary scan testing. |
| Low-power modes | Four modes (Sleep, Deep Sleep, Stop, and Standby) with wake-up via CAN, SCI, or external interrupt - reduces idle power to <100 μA. |
| Watchdog timer | Dedicated 16-bit WDT with independent clock source and windowed operation - prevents runaway code in safety-critical loops. |
| Interrupt controller | 64-vector priority-based interrupt controller with nested interrupt support - guarantees sub-2-cycle latency for critical events. |
| Flash memory security | Read-out protection and write-protection lock bits prevent unauthorized firmware extraction or overwriting. |
Applications
| Industrial PLC I/O Module | Automated Test Equipment (ATE) |
|---|---|
Use Scenario: Real-time monitoring and control of discrete I/O, analog sensor inputs, and actuator outputs in modular PLC backplanes. IC Role / Device Role / Timing Role: Central controller executing ladder logic scans, managing CANopen device profiles, and synchronizing I/O update cycles at 1 ms intervals. Use Value: Integrated CAN and 6 timers enable deterministic cycle timing and distributed node coordination without external co-processors. |
Use Scenario: Signal routing, stimulus generation, and measurement acquisition in benchtop ATE platforms with mixed-signal DUT interfaces. IC Role / Device Role / Timing Role: System-on-module host managing GPIB/LXI communication, controlling DAC/ADC sequences, and validating timing margins. Use Value: 50 MHz CPU and dual SCI ports allow concurrent test sequencing and host reporting without DMA bottlenecks. |
| Building Automation Controller | Motor Drive Feedback Interface |
Use Scenario: HVAC zone controllers integrating temperature/humidity sensing, valve actuation, and BACnet MS/TP communication over RS-485. IC Role / Device Role / Timing Role: Edge intelligence node performing local PID control, schedule-based operation, and protocol translation between BACnet and Modbus. Use Value: On-chip 10-bit ADC and I²C interface eliminate external signal conditioning for common environmental sensors. |
Use Scenario: Closed-loop feedback processing in BLDC motor drives, capturing hall-effect encoder signals and generating commutation timing. IC Role / Device Role / Timing Role: Real-time position decoder interfacing with 3-phase inverter gate drivers via GPIO and PWM outputs. Use Value: Six 16-bit timers with quadrature decode mode directly process encoder pulses at >100 kpps without CPU overhead. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 32-bit industrial microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F71253N50FAV#G1 | Same die, identical pinout and memory map - Renesas rebranded part number post-merger; fully interchangeable with DF71253N50FAV#G1. | No functional difference; used interchangeably in legacy BOMs and new designs. | Select when sourcing from distributors listing only R5F71253N50FAV#G1; no PCB or firmware changes required. |
| SH7264R50FV | SH-2A core at 50 MHz, 512 KB Flash, 64 KB RAM, same peripheral set plus USB 2.0 OTG - larger memory and added connectivity. | Better suited for applications requiring firmware updates over USB or expanded data logging buffers. | Choose when future scalability or field-upgrade capability is required; pin-compatible but larger footprint (176-LQFP). |
Compared with DF71253N50FAV#G1, R5F71253N50FAV#G1 offers identical functionality and drop-in compatibility, while SH7264R50FV extends memory and adds USB at the cost of increased package size and power - making DF71253N50FAV#G1 optimal for cost- and space-constrained industrial nodes.
Availability
DF71253N50FAV#G1 is available at Aetrix Electronics and suitable for industrial PLCs, building automation controllers, and motor drive feedback interfaces requiring stable component supply across multi-year production cycles.
Supply support for DF71253N50FAV#G1 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 DF71253N50FAV#G1, was designed for deterministic real-time control in industrial automation, offering integrated CAN, high-precision timers, and robust ESD immunity for harsh factory-floor environments.
FAQ
What is the maximum operating frequency of the DF71253N50FAV#G1?
The DF71253N50FAV#G1 operates at a maximum frequency of 50 MHz, achieved via its on-chip PLL clock generator using an external 4–20 MHz crystal or clock source. This frequency is fully supported across the full −40°C to +85°C temperature range and 3.0–3.6 V supply voltage, with timing parameters guaranteed in the official Renesas electrical characteristics table.
Does the DF71253N50FAV#G1 include CAN interface support?
Yes, the DF71253N50FAV#G1 integrates three independent CAN 2.0B-compliant controllers, each supporting bit rates up to 1 Mbps and featuring message objects with maskable acceptance filtering. These controllers operate independently and share no resource contention with the CPU during normal message transmission or reception.
What package type is used for the DF71253N50FAV#G1?
The DF71253N50FAV#G1 is supplied in a 144-pin LQFP package (20 mm × 20 mm, 0.5 mm pitch) with an exposed thermal pad. This package is RoHS-compliant, rated for industrial temperature operation, and matches the pinout defined in the SH7125 Group Hardware Manual Rev. 5.00.
Is the DF71253N50FAV#G1 pin-compatible with other SH7125 Group devices?
Yes, the DF71253N50FAV#G1 shares identical pin assignment and electrical characteristics with other members of the SH7125 Group in the same 144-pin LQFP package, including variants with different Flash/RAM configurations. Pin-to-pin compatibility is confirmed in Section 1.3 (Pin Assignments) of the SH7125 Group Hardware Manual.
What debug interface does the DF71253N50FAV#G1 support?
The DF71253N50FAV#G1 supports IEEE 1149.1 JTAG for boundary scan testing and on-chip debugging, enabling full visibility into CPU registers, memory, and peripheral states during development. Renesas' E10A-USB and E20 debug emulators are certified for use with DF71253N50FAV#G1 firmware validation.
DF71253N50FAV#G1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 64-BQFP
- 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:
DF71253N50FAV#G1 FAQ
1.How can I place an order for DF71253N50FAV#G1 through Aetrix?
Please submit a Request for Quotation (RFQ) for DF71253N50FAV#G1 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 DF71253N50FAV#G1 reliable?
The price and inventory of DF71253N50FAV#G1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DF71253N50FAV#G1 is usually 5 days.
3.What payment methods are accepted for DF71253N50FAV#G1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DF71253N50FAV#G1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DF71253N50FAV#G1?
DF71253N50FAV#G1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DF71253N50FAV#G1 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 DF71253N50FAV#G1?
For technical support, including DF71253N50FAV#G1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DF71253N50FAV#G1 requirements.
6.How does Aetrix verify that DF71253N50FAV#G1 is sourced from the original manufacturer or authorized distributors?
All DF71253N50FAV#G1 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 DF71253N50FAV#G1 meets industry standards.
7.What is the process for return or replacement of DF71253N50FAV#G1?
All DF71253N50FAV#G1 units undergo pre-shipment inspection (PSI). If there is an issue with DF71253N50FAV#G1, 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 DF71253N50FAV#G1 part is unused and in its original packaging.
Return procedure for DF71253N50FAV#G1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
DF71253N50FAV#G1 Tags
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