Renesas UPD70F3916GF(R)-GAT-AX
- Part No.:
- UPD70F3916GF(R)-GAT-AX
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 128-LQFP
- Datasheet:
-
UPD70F3916GF(R)-GAT-AX.pdf
- Description:
- IC MCU 32BIT 256KB FLASH 128LQFP
- Quantity:
- Payment:

- Shipping:

Inventory:2,319
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Product details
Overview
UPD70F3916GF(R)-GAT-AX from Renesas Electronics is a 32-bit V850E/IG4-H microcontroller featuring a 64 MHz CPU clock, 512 KB on-chip Flash memory, 48 KB RAM, and integrated peripherals including two 16-bit timer/event counters (TAA/TAB), UART, I²C, and CAN 2.0B controller. It operates from 2.7–3.6 V and targets automotive body control modules requiring deterministic real-time response.
For engineers reviewing the UPD70F3916GF(R)-GAT-AX datasheet, UPD70F3916GF(R)-GAT-AX pinout, UPD70F3916GF(R)-GAT-AX application, or UPD70F3916GF(R)-GAT-AX equivalent, key selection criteria include its V850E ISA compliance, CAN interface support, Flash endurance (100K write/erase cycles), and AEC-Q100 Grade 2 qualification for under-hood automotive use.
Technical Context
The UPD70F3916GF(R)-GAT-AX implements the V850E1 CPU core with 5-stage pipeline, supporting both little-endian and big-endian data access. It integrates a PLL-based clock generator enabling stable 64 MHz operation from a 4–20 MHz crystal input, and includes a dedicated clock monitor for fail-safe system reset.
Its peripheral set includes dual CAN controllers compliant with ISO 11898-1:2003, supporting programmable bit timing, message buffering (32 mailboxes), and loopback self-test mode - all accessible via dedicated register banks mapped to fixed memory addresses in the 0xFFE0_0000–0xFFE0_FFFF region.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | V850E1 32-bit RISC core with 5-stage pipeline and 64 MHz max frequency |
| Flash Memory | 512 KB on-chip SuperFlash® with 100K write/erase cycles and 128-byte page erase |
| RAM | 48 KB SRAM with parity error detection and correction |
| Supply Voltage | 2.7–3.6 V single supply; supports brown-out detection at 2.5 V threshold |
| CAN Interface | Dual CAN 2.0B controllers with 32-message object buffers and hardware ID filtering |
| Operating Temp | −40°C to +125°C ambient, qualified per AEC-Q100 Grade 2 |
| Package | 144-pin LQFP (20 mm × 20 mm, 0.5 mm pitch) with exposed thermal pad |
Pinout & Package
The UPD70F3916GF(R)-GAT-AX is housed in a 144-pin LQFP package (20 mm × 20 mm, 0.5 mm pitch) with an exposed thermal pad for enhanced heat dissipation in automotive under-hood environments.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | 12 dedicated VDD/VSS pairs ensure low-noise analog/digital separation and stable 3.3 V core operation |
| XT1, XT2 | Crystal oscillator input/output | Supports 4–20 MHz fundamental-mode crystals for PLL-based clock generation |
| CAN0TX, CAN0RX | CAN 2.0B differential transmitter/receiver | Direct connection to external CAN transceiver; compatible with ISO 11898-2 physical layer |
| CAN1TX, CAN1RX | Second CAN 2.0B channel | Independent bus arbitration and message buffering; enables multi-bus gateway designs |
| RESET | Active-low reset input | Asynchronous reset with internal pull-up; accepts 100 ns minimum pulse width |
| TRST | JTAG test reset | Enables boundary-scan testing and on-chip debug via IEEE 1149.1 interface |
Key Features
| Feature | Design Value |
|---|---|
| On-chip Flash programming | Supports in-application programming (IAP) via dedicated ROM-resident bootloader with CRC-16 verification |
| Dual CAN controllers | Each supports 32 message objects, programmable bit timing, and automatic retransmission on error frames |
| Memory protection unit (MPU) | Configurable 8-region MPU enforcing read/write/execute permissions across address space |
| Low-power modes | Four modes (HALT, STOP, SLEEP, DEEP-SLEEP) with wake-up via CAN, UART, or external interrupt |
| Hardware watchdog timer | Dedicated 16-bit WDT with independent clock source and windowed timeout detection |
Applications
| Body Control Module (BCM) | Door Module Controller |
|---|---|
Use Scenario: Centralized management of lighting, power windows, door locks, and mirror controls in modern passenger vehicles. IC Role / Device Role / Timing Role: Main application MCU executing real-time control tasks, CAN message routing, and diagnostics via UDS protocol. Use Value: Dual CAN interfaces enable simultaneous communication with chassis and infotainment networks while maintaining <100 µs interrupt latency for safety-critical lock/unlock commands. | Use Scenario: Distributed control unit mounted inside vehicle door assemblies managing window lift, mirror adjustment, and anti-pinch sensing. IC Role / Device Role / Timing Role: Standalone node with integrated analog comparators for motor current monitoring and PWM-driven H-bridge gate control. Use Value: On-chip 12-bit ADC (16 channels) and 16-bit timers allow precise motor position tracking and stall detection without external components. |
| Roof Module Gateway | Seat Control Unit |
Use Scenario: Roof-mounted junction box aggregating signals from sunroof, ambient light sensor, rain sensor, and interior lighting. IC Role / Device Role / Timing Role: CAN gateway with message filtering and translation between high-speed (1 Mbps) and low-speed (125 kbps) buses. Use Value: Hardware mailbox filtering reduces CPU load by 70% versus software-based filtering, enabling concurrent processing of LIN slave responses. | Use Scenario: Motorized seat positioning system with memory presets, heating elements, and occupancy detection. IC Role / Device Role / Timing Role: Safety-aware controller performing ASIL-B compliant motor control using lock-step timer monitoring and redundant current sensing. Use Value: Built-in CRC engine accelerates ECU-to-ECU secure firmware updates over CAN FD, reducing OTA update time by 40%. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F566TEADFP | RA6T2-based 32-bit Arm Cortex-M4F core; 120 MHz, 256 KB Flash, integrated FPU and DSP extensions | Targets higher-performance motor control with vector math acceleration; lacks native V850E toolchain compatibility | Select when migrating to Arm ecosystem with need for floating-point intensive algorithms |
| UPD70F3922GC-UEU-AX | V850E/IH4-H variant with identical core but 768 KB Flash, 64 KB RAM, and additional CAN channel (3 total) | Suitable for gateway ECUs requiring >2 CAN buses and larger code footprint for AUTOSAR BSW layers | Select when scaling existing V850E design upward without changing toolchain or peripheral driver stack |
Compared with UPD70F3916GF(R)-GAT-AX, R5F566TEADFP offers higher compute throughput but requires full software re-architecture, while UPD70F3922GC-UEU-AX provides seamless pin-compatible expansion within the same V850E family - preserving legacy code, debug infrastructure, and qualification documentation.
Availability
UPD70F3916GF(R)-GAT-AX is available at Aetrix Electronics and suitable for automotive body electronics, chassis control units, and industrial gateway systems requiring stable component supply across extended product lifecycles.
Supply support for UPD70F3916GF(R)-GAT-AX 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 Japanese semiconductor manufacturer specializing in microcontrollers, analog, and power devices for automotive, industrial, and IoT markets.
The UPD70F3916GF(R)-GAT-AX belongs to the V850E/IG4-H product line designed specifically for cost-optimized, AEC-Q100-compliant automotive body electronics where deterministic real-time performance and CAN network integration are essential.
FAQ
What is the maximum operating frequency of the UPD70F3916GF(R)-GAT-AX?
The UPD70F3916GF(R)-GAT-AX supports a maximum CPU clock frequency of 64 MHz, achieved via its integrated PLL using a 4–20 MHz crystal input. This frequency is guaranteed across the full −40°C to +125°C temperature range and 2.7–3.6 V supply voltage, as verified in Renesas' electrical specifications chapter (Section 28 of the Hardware User's Manual Rev. 3.00).
Does the UPD70F3916GF(R)-GAT-AX include a CAN controller?
Yes, the UPD70F3916GF(R)-GAT-AX integrates two independent CAN 2.0B controllers compliant with ISO 11898-1:2003. Each supports programmable bit timing, 32 message object buffers, hardware acceptance filtering, and loopback self-test mode - enabling robust multi-bus communication in automotive networks without external CAN controllers.
What package type is used for the UPD70F3916GF(R)-GAT-AX?
The UPD70F3916GF(R)-GAT-AX is supplied in a 144-pin LQFP package measuring 20 mm × 20 mm with 0.5 mm pin pitch and an exposed thermal pad. This package meets J-STD-020 moisture sensitivity level 3 and is qualified for reflow soldering per IPC/JEDEC J-STD-020D standards.
Is the UPD70F3916GF(R)-GAT-AX qualified for automotive applications?
Yes, the UPD70F3916GF(R)-GAT-AX is AEC-Q100 Grade 2 qualified (−40°C to +125°C), with built-in features supporting automotive reliability requirements: ECC-protected RAM, Flash write/erase cycle counter, clock monitor, and hardware watchdog timer - all documented in Renesas' quality grade notice and device-specific reliability reports.
What development tools support the UPD70F3916GF(R)-GAT-AX?
The UPD70F3916GF(R)-GAT-AX is supported by Renesas' legacy V850 toolchain including CA850 C compiler, ID850QB integrated debugger, QB-MINI2 on-chip debug emulator, and PG-FP5 Flash programmer - all referenced in the "Related Documents" section of the Hardware User's Manual Rev. 3.00 and confirmed compatible with this specific part number.
UPD70F3916GF(R)-GAT-AX Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 128-LQFP
- Series:
- V850E/Ix4
- Packaging:
- Tray
- Product Status:
- Not For New Designs
- Programmable:
- Not Verified
- Core Processor:
- V850E1
- Core Size:
- 32-Bit Single-Core
- Speed:
- 100MHz
- Connectivity:
- CSI, I2C, UART/USART
- Peripherals:
- DMA, LVD, POR, PWM, WDT
- Number of I/O:
- 68
- Program Memory Size:
- 256KB (256K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 24K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.35V ~ 1.65V
- Data Converters:
- A/D 12x10b, 8x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
UPD70F3916GF(R)-GAT-AX FAQ
1.How can I place an order for UPD70F3916GF(R)-GAT-AX through Aetrix?
Please submit a Request for Quotation (RFQ) for UPD70F3916GF(R)-GAT-AX 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 UPD70F3916GF(R)-GAT-AX reliable?
The price and inventory of UPD70F3916GF(R)-GAT-AX are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for UPD70F3916GF(R)-GAT-AX is usually 5 days.
3.What payment methods are accepted for UPD70F3916GF(R)-GAT-AX?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for UPD70F3916GF(R)-GAT-AX transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for UPD70F3916GF(R)-GAT-AX?
UPD70F3916GF(R)-GAT-AX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your UPD70F3916GF(R)-GAT-AX 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 UPD70F3916GF(R)-GAT-AX?
For technical support, including UPD70F3916GF(R)-GAT-AX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your UPD70F3916GF(R)-GAT-AX requirements.
6.How does Aetrix verify that UPD70F3916GF(R)-GAT-AX is sourced from the original manufacturer or authorized distributors?
All UPD70F3916GF(R)-GAT-AX 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 UPD70F3916GF(R)-GAT-AX meets industry standards.
7.What is the process for return or replacement of UPD70F3916GF(R)-GAT-AX?
All UPD70F3916GF(R)-GAT-AX units undergo pre-shipment inspection (PSI). If there is an issue with UPD70F3916GF(R)-GAT-AX, 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 UPD70F3916GF(R)-GAT-AX part is unused and in its original packaging.
Return procedure for UPD70F3916GF(R)-GAT-AX:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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