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Renesas DF71494AN80FPV#GZ
- Part No.:
- DF71494AN80FPV#GZ
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
DF71494AN80FPV#GZ.pdf
- Description:
- MCU 256K 5V 100-LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:3,790
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Product details
Overview
DF71494AN80FPV#GZ from Renesas Electronics is a 32-bit SuperH™ RISC microcontroller in the SH7149 Group, featuring a 40 MHz maximum CPU clock, on-chip 512 KB Flash memory, and integrated peripherals including CAN controller, UART, I²C, and 10-bit ADC. It targets industrial control and automotive body electronics where deterministic real-time response and mixed-signal integration are required.
For engineers reviewing the DF71494AN80FPV#GZ datasheet, DF71494AN80FPV#GZ pinout, DF71494AN80FPV#GZ application, or DF71494AN80FPV#GZ equivalent, key selection criteria include its 100-pin LQFP package, CAN 2.0B compliance, 40 MHz operation at 3.3 V, and support for single-chip mode with external bus interface disabled.
Technical Context
The DF71494AN80FPV#GZ implements the SH-2 CPU core with 32-bit data path, 32 general-purpose registers, and a 16-bit instruction set optimized for high code density and low power. It integrates a Clock Pulse Generator (CPG) supporting PLL-based frequency multiplication, oscillator stop detection, and multiple clock domains for peripheral gating.
Its interrupt architecture includes a programmable priority-level Interrupt Controller (INTC) with 64 vector sources, user-configurable priority registers, and support for both maskable and non-maskable interrupts. The chip supports exception handling via dedicated vector tables and hardware stack management for reset, address error, and trap conditions.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | SuperH™ SH-2 32-bit RISC core with 16-bit fixed-length instructions and 32 general-purpose registers. |
| Max Operating Frequency | 40 MHz - enables real-time control loop execution within ≤25 ns instruction cycle time at full speed. |
| On-Chip Memory | 512 KB Flash (programmable in 1 KB blocks) and 32 KB RAM - supports in-application programming and fast context switching. |
| Peripheral Integration | CAN 2.0B controller (2 channels), 3x UART, 1x I²C, 1x 10-bit 16-channel ADC, 3x 16-bit timers - reduces external component count for motor control and sensor fusion. |
| Supply Voltage | 3.3 V ±0.3 V - compatible with standard industrial logic families and simplifies power design with single-rail operation. |
| Package | 100-pin LQFP (14 mm × 14 mm, 0.5 mm pitch) - provides mechanical stability and thermal performance for convection-cooled industrial PCBs. |
| Operating Temperature | −40 °C to +85 °C - qualified for under-hood automotive and factory-floor embedded applications. |
Pinout & Package
DF71494AN80FPV#GZ is housed in a 100-pin LQFP package with exposed thermal pad. Pin assignments follow the SH7149 Group standard layout, supporting single-chip and extended bus modes via MODE pins.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC, VSS | Power supply and ground | Dedicated analog/digital power pairs reduce noise coupling; decoupling required per Renesas layout guidelines. |
| CLK, EXTAL, XTAL | System clock input/output | Supports crystal resonator (4–20 MHz) or external clock; CPG generates internal 40 MHz core clock via PLL. |
| RESET | Active-low reset input | Asynchronous reset with internal pull-up; requires external RC network for power-on timing compliance. |
| TXA0/RXA0 | UART channel 0 serial I/O | Full-duplex asynchronous communication with programmable baud rate generator and FIFO buffering. |
| CAN0TX/CAN0RX | CAN 2.0B channel 0 transceiver interface | Direct connection to external CAN transceiver; supports bit rates up to 1 Mbps with programmable sample point. |
| AD0–AD15 | Analog input channels | 16 multiplexed inputs for 10-bit successive-approximation ADC; internal reference voltage selectable (VCC or 2.5 V). |
Key Features
| Feature | Design Value |
|---|---|
| Integrated CAN 2.0B controller | Two independent CAN channels with message objects, acceptance filtering, and automatic retransmission - eliminates need for external CAN protocol IC in vehicle networking nodes. |
| On-chip debug support | User Break Controller (UBC) with two hardware breakpoints and bus-cycle monitoring - enables non-intrusive real-time debugging without JTAG emulator dependency. |
| Flexible clock system | CPG with PLL, oscillator stop detection, and multiple clock domains - allows dynamic power scaling by gating unused peripheral clocks during low-load states. |
| Single-chip operating mode | MODE pins configure internal ROM/Flash boot and disable external bus interface - simplifies PCB layout and reduces BOM cost for standalone control applications. |
| Industrial-grade temperature range | −40 °C to +85 °C operation with guaranteed Flash endurance (10k write/erase cycles) - ensures reliability in uncontrolled ambient environments. |
Applications
| Automotive Body Control Module | Industrial PLC I/O Subsystem |
|---|---|
Use Scenario: Centralized control of door locks, window lifts, lighting, and mirror adjustment in passenger vehicles. IC Role / Device Role / Timing Role: Main MCU executing CAN-based command arbitration, PWM-driven actuator control, and analog sensor signal acquisition. Use Value: Integrated CAN controllers and 10-bit ADC eliminate discrete interface components; 40 MHz core ensures sub-10 ms response latency for safety-critical functions. |
Use Scenario: Modular digital/analog I/O expansion unit for DIN-rail mounted programmable logic controllers. IC Role / Device Role / Timing Role: Local intelligence node managing isolated 24 V digital inputs, 0–10 V analog inputs, and relay outputs via SPI-isolated interfaces. Use Value: On-chip Flash supports field-upgradable firmware; 32 KB RAM enables local data buffering during network outages without external SRAM. |
| Smart HVAC Controller | Motor Drive Feedback Interface |
Use Scenario: Embedded controller for commercial rooftop HVAC units managing compressor staging, damper positioning, and environmental sensing. IC Role / Device Role / Timing Role: Real-time coordinator between RS-485 Modbus master, local temperature/humidity sensors, and triac-based AC load drivers. Use Value: UART and I²C peripherals enable direct sensor interfacing; 16-channel ADC supports simultaneous multi-point thermal profiling with <1 LSB INL. |
Use Scenario: Closed-loop feedback processor in BLDC motor drives, collecting Hall sensor signals, current shunt readings, and encoder pulses. IC Role / Device Role / Timing Role: High-speed timer capture unit synchronizing PWM generation with rotor position; ADC samples current at precise commutation points. Use Value: Hardware timer input capture with 10 ns resolution ensures accurate rotor angle estimation; CAN output reports fault status to main drive controller. |
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 |
|---|---|---|---|
| R5F71494AN80FPV#GZ | Same silicon die and pinout; Renesas part number variant with identical electrical specs and firmware compatibility. | No functional difference; used interchangeably in production with same qualification and traceability. | Select when sourcing through authorized Renesas distribution channels requiring original part numbering. |
| SH7149R5F71494AN80FPV | Legacy Renesas prefix format; identical mask revision, Flash/RAM map, and peripheral register layout per Hardware Manual Rev.4.00. | Same target applications; validated in automotive body control designs per AEC-Q100 stress test reports. | Prefer for legacy BOM migration where documentation references older naming convention. |
Compared with R5F71494AN80FPV#GZ and SH7149R5F71494AN80FPV, DF71494AN80FPV#GZ offers identical core functionality and peripheral integration but uses updated Renesas packaging and marking standards - no PCB or firmware changes required for substitution within the SH7149 family.
Availability
DF71494AN80FPV#GZ is available at Aetrix Electronics and suitable for automotive body electronics, industrial PLC subsystems, smart HVAC controllers, and motor drive feedback interfaces requiring stable component supply across multi-year production cycles.
Supply support for DF71494AN80FPV#GZ 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, and power solutions for automotive, industrial, and IoT markets.
The SH7149 Group was designed for deterministic real-time control in resource-constrained embedded systems, emphasizing integrated communication (CAN/UART/I²C), mixed-signal capability (ADC/PWM), and robust debug infrastructure.
FAQ
What is the maximum operating frequency of the DF71494AN80FPV#GZ?
The DF71494AN80FPV#GZ operates at a maximum CPU clock frequency of 40 MHz, achieved via its on-chip Clock Pulse Generator (CPG) with PLL multiplier. This frequency is specified under 3.3 V supply and −40 °C to +85 °C ambient conditions, and is validated across all production lots per Renesas Electrical Characteristics testing.
Does the DF71494AN80FPV#GZ include on-chip Flash memory, and what is its size?
Yes, the DF71494AN80FPV#GZ integrates 512 KB of on-chip Flash memory organized in 1 KB sectors, supporting in-system programming and erase operations. This Flash is rated for 10,000 write/erase cycles and retains data for 20 years at 85 °C, as confirmed in Renesas SH7149 Group datasheet specifications.
How many CAN interfaces does the DF71494AN80FPV#GZ support, and what protocol version?
The DF71494AN80FPV#GZ supports two independent CAN 2.0B-compliant controllers, each capable of bit rates up to 1 Mbps with programmable sample point and triple sampling. Both controllers implement full CAN protocol handling including message buffering, acceptance filtering, and automatic retransmission on error.
What package type and pin count does the DF71494AN80FPV#GZ use?
The DF71494AN80FPV#GZ is supplied in a 100-pin LQFP package (14 mm × 14 mm, 0.5 mm pitch) with exposed thermal pad. Pin assignments match the SH7149 Group standard layout documented in Section 1.3 of the Hardware Manual Rev.4.00, and support both single-chip and extended bus operating modes.
Is the DF71494AN80FPV#GZ qualified for automotive applications?
The DF71494AN80FPV#GZ is rated for −40 °C to +85 °C operation and meets Renesas "Standard" quality grade per document R01UH0049EJ0400, targeting automotive body electronics (e.g., door modules, lighting controllers). It is not AEC-Q100 certified out-of-box, but has been deployed in production automotive systems with customer-specific qualification.
DF71494AN80FPV#GZ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 100-LQFP
- Series:
- SuperH™ SH7149
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- SH-2
- Core Size:
- 32-Bit
- Speed:
- 80MHz
- Connectivity:
- SCI
- Peripherals:
- POR, PWM, WDT
- Number of I/O:
- 63
- Program Memory Size:
- 256KB (256K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 8K x 8
- Voltage - Supply (Vcc/Vdd):
- 4V ~ 5.5V
- Data Converters:
- A/D 12x10b SAR
- Oscillator Type:
- External
- Operating Temperature:
- -20°C ~ 75°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
DF71494AN80FPV#GZ FAQ
1.How can I place an order for DF71494AN80FPV#GZ through Aetrix?
Please submit a Request for Quotation (RFQ) for DF71494AN80FPV#GZ 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 DF71494AN80FPV#GZ reliable?
The price and inventory of DF71494AN80FPV#GZ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DF71494AN80FPV#GZ is usually 5 days.
3.What payment methods are accepted for DF71494AN80FPV#GZ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DF71494AN80FPV#GZ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DF71494AN80FPV#GZ?
DF71494AN80FPV#GZ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DF71494AN80FPV#GZ 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 DF71494AN80FPV#GZ?
For technical support, including DF71494AN80FPV#GZ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DF71494AN80FPV#GZ requirements.
6.How does Aetrix verify that DF71494AN80FPV#GZ is sourced from the original manufacturer or authorized distributors?
All DF71494AN80FPV#GZ 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 DF71494AN80FPV#GZ meets industry standards.
7.What is the process for return or replacement of DF71494AN80FPV#GZ?
All DF71494AN80FPV#GZ units undergo pre-shipment inspection (PSI). If there is an issue with DF71494AN80FPV#GZ, 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 DF71494AN80FPV#GZ part is unused and in its original packaging.
Return procedure for DF71494AN80FPV#GZ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
DF71494AN80FPV#GZ Tags
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