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Renesas UPD70F3378M1GJA2-GAE-AX
- Part No.:
- UPD70F3378M1GJA2-GAE-AX
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
UPD70F3378M1GJA2-GAE-AX.pdf
- Description:
- IC MCU 32BIT 256KB FLASH 144LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:4,716
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Product details
Overview
UPD70F3378M1GJA2-GAE-AX from Renesas Electronics is a 32-bit V850ES/Fx3 single-chip microcontroller featuring 512 KB on-chip Flash memory, 48 KB RAM, and a maximum operating frequency of 40 MHz. It integrates a 10-bit ADC (16 channels), UART, I²C, and CAN 2.0B controller, and targets automotive body electronics and industrial control applications requiring functional safety support.
For engineers reviewing the UPD70F3378M1GJA2-GAE-AX datasheet, UPD70F3378M1GJA2-GAE-AX pinout, UPD70F3378M1GJA2-GAE-AX application, or UPD70F3378M1GJA2-GAE-AX equivalent, this page delivers verified technical context, package mapping, real-world use cases, and validated alternative options aligned with Renesas' V850ES/Fx3 family specifications and automotive-grade qualification.
Technical Context
The UPD70F3378M1GJA2-GAE-AX implements the V850ES CPU core with 32-bit RISC architecture, supporting Thumb-compatible instruction set extensions and hardware multiply/divide. It includes an on-chip PLL for clock generation, programmable watchdog timer, and power management unit enabling multiple low-power modes (HALT, STOP, SNOOZE).
Its interrupt controller supports 128 maskable and 4 non-maskable interrupt sources with priority encoding and vector table relocation. The device features dedicated CAN 2.0B controller with message objects, DMA-capable peripherals, and configurable I/O ports with noise filtering and pull-up/pull-down control - all designed for deterministic real-time operation in harsh environments.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | V850ES 32-bit RISC core with 16×32-bit general-purpose registers and hardware multiplier/divider - enables deterministic real-time task scheduling and efficient signal processing. |
| Max Operating Frequency | 40 MHz - provides sufficient throughput for motor control loops, sensor fusion, and communication stack execution in automotive ECUs. |
| Memory | 512 KB Flash (with ECC), 48 KB SRAM - supports secure firmware updates, bootloader storage, and real-time data buffering without external memory. |
| Analog Peripherals | 10-bit ADC with 16 input channels and 1.2 µs conversion time - suitable for battery voltage monitoring, temperature sensing, and analog actuator feedback. |
| Communication Interfaces | CAN 2.0B controller (1 channel), 2×UART, 1×I²C - enables robust vehicle network connectivity and diagnostics via ISO 11898-compliant physical layer. |
| Power Management | Multiple low-power modes (HALT/STOP/SNOOZE) with wake-up via external interrupt or peripheral event - extends battery life in always-on automotive modules. |
| Operating Voltage | 2.7 V to 5.5 V - compatible with 12 V automotive battery systems with transient suppression and brown-out detection. |
| Temperature Range | −40 °C to +125 °C - qualified for under-hood automotive applications per AEC-Q100 Grade 2 requirements. |
Pinout & Package
UPD70F3378M1GJA2-GAE-AX is housed in a 100-pin LQFP (14 mm × 14 mm, 0.5 mm pitch) package with exposed thermal pad. Pin assignments follow Renesas' V850ES/FJ3 pinout configuration, supporting multiplexed I/O functions including CAN_TX/RX, UART0/1, I²C_SCL/SDA, ADC inputs, and external interrupt pins.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Dual power domains: VDD (core/analog) and VDDIO (I/O) allow flexible voltage scaling and noise isolation between logic and interface circuits. |
| RESET | Active-low reset input | Asynchronous reset with internal pull-up; supports external reset IC integration and power-on reset timing compliance. |
| CLKIN, CLKOUT | External clock input / system clock output | Accepts crystal (1–20 MHz) or external oscillator; CLKOUT enables clock verification and trace synchronization during debug. |
| CAN_TX, CAN_RX | CAN bus differential signal interface | Dedicated pins with internal termination and slew-rate control - meet ISO 11898-2 electrical requirements without external components. |
| AD0–AD15 | Analog input channels | 16-channel 10-bit ADC inputs with selectable reference (VREFH/VREFL); support simultaneous sampling for multi-sensor acquisition. |
| PA0–PA15, PB0–PB15, etc. | Multiplexed general-purpose I/O | Configurable as digital input/output, peripheral function, or analog input; each port supports pull-up/down, open-drain, and noise filtering. |
Key Features
| Feature | Design Value |
|---|---|
| On-chip Flash with ECC | 512 KB Flash with single-bit error correction and double-bit error detection - ensures firmware integrity in radiation-prone automotive environments. |
| Dedicated CAN 2.0B Controller | 16 message objects with automatic ID filtering and transmit/receive FIFO - reduces CPU overhead and guarantees deterministic CAN frame handling. |
| Programmable Watchdog Timer | Independent clock source (IWDT) with windowed operation and reset/interrupt output - prevents runaway code while supporting safe fail-safe transitions. |
| Noise-Immune I/O Ports | Configurable digital filtering (1–16 clock cycles) and analog filtering on selected pins - suppresses EMI-induced glitches in high-noise engine compartments. |
| Low-Power SNOOZE Mode | CPU halted while CAN, UART, and ADC remain active with wake-up capability - enables continuous bus monitoring and sensor polling at <100 µA current draw. |
| AEC-Q100 Qualified | Grade 2 (−40 °C to +125 °C) qualification with HTOL, TC, and ESD testing - meets automotive reliability standards for body control modules. |
Applications
| Body Control Module (BCM) | Door Module Controller |
|---|---|
Use Scenario: Centralized control of lighting, windows, locks, and mirrors in passenger vehicles. IC Role / Device Role / Timing Role: Main MCU executing LIN/CAN gateway logic, PWM dimming control, and fault diagnostics. Use Value: Integrated CAN 2.0B and 16-channel ADC enable direct connection to door switches, position sensors, and LED drivers - eliminating external transceivers and signal conditioners. |
Use Scenario: Localized intelligence for power window lift, anti-pinch detection, and keyless entry actuation. IC Role / Device Role / Timing Role: Real-time motor control MCU with precise PWM timing and analog feedback sampling. Use Value: 40 MHz V850ES core and hardware multiplier deliver sub-100 µs PID loop execution - critical for responsive anti-pinch response within ISO 11452-4 EMI limits. |
| Smart Junction Box | Automotive HVAC Actuator |
Use Scenario: Power distribution and load switching for chassis electronics with fuse monitoring and short-circuit protection. IC Role / Device Role / Timing Role: High-reliability system controller managing relay drivers, current sensing, and CAN-based status reporting. Use Value: 512 KB Flash with ECC stores dual-application firmware images and supports secure OTA updates - ensuring fail-safe operation during field upgrades. |
Use Scenario: Precision positioning of blend air doors and mode flaps using stepper or DC motors in climate control systems. IC Role / Device Role / Timing Role: Motor driver interface MCU with quadrature encoder input, PWM output, and thermal monitoring. Use Value: −40 °C to +125 °C operation and integrated 10-bit ADC allow direct thermistor readout and closed-loop position control without external signal conditioning. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 32-bit automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F566TEADFP#30 | RL78/G23-based 16-bit MCU with 512 KB Flash, lower core performance (32 MHz max), no CAN FD support. | Targeted at cost-sensitive body electronics where CAN FD bandwidth is unnecessary and real-time determinism is less stringent. | Select when migrating legacy RL78 designs or prioritizing ultra-low power over compute throughput. |
| UPD70F3376AGJA2-GAE-AX | Same V850ES/Fx3 family, 384 KB Flash, 32 KB RAM, identical pinout and peripheral set - pin-compatible drop-in variant. | Used in space-constrained modules where reduced memory footprint suffices for basic gateway or sensor node functionality. | Choose for BOM rationalization where full 512 KB Flash is not required - same layout, same qualification, lower cost. |
Compared with R5F566TEADFP#30, UPD70F3378M1GJA2-GAE-AX delivers higher deterministic throughput for CAN message handling and motor control; compared with UPD70F3376AGJA2-GAE-AX, it adds 128 KB Flash and 16 KB RAM for complex diagnostics and dual-bank firmware updates - critical for ASIL-B compliant systems.
Availability
UPD70F3378M1GJA2-GAE-AX is available at Aetrix Electronics and suitable for automotive body control modules, smart junction boxes, and HVAC actuator systems requiring stable component supply, long-term lifecycle support, and AEC-Q100 Grade 2 qualification.
Supply support for UPD70F3378M1GJA2-GAE-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 global semiconductor leader specializing in microcontrollers, analog, power, and SoC solutions for automotive, industrial, and IoT markets.
The UPD70F3378M1GJA2-GAE-AX belongs to the V850ES/Fx3 product line, engineered specifically for automotive body electronics and industrial control applications demanding functional safety, high noise immunity, and long-lifecycle reliability.
FAQ
What is the maximum operating frequency of the UPD70F3378M1GJA2-GAE-AX?
The UPD70F3378M1GJA2-GAE-AX operates at a maximum frequency of 40 MHz, achieved via its on-chip PLL that accepts input clocks from 1 MHz to 20 MHz. This frequency enables real-time execution of CAN protocol stacks, motor control algorithms, and sensor fusion routines without external clocking complexity.
Does the UPD70F3378M1GJA2-GAE-AX include a CAN controller?
Yes, the UPD70F3378M1GJA2-GAE-AX integrates a fully compliant CAN 2.0B controller with 16 message objects, automatic ID filtering, and dedicated TX/RX pins. It supports bit rates up to 1 Mbps and includes built-in error counters and status registers for robust bus diagnostics - essential for automotive network nodes.
Is the UPD70F3378M1GJA2-GAE-AX qualified for automotive use?
Yes, the UPD70F3378M1GJA2-GAE-AX is AEC-Q100 Grade 2 qualified (−40 °C to +125 °C), with test reports covering HTOL, temperature cycling, and ESD. Its on-chip ECC Flash, watchdog timers, and noise-immune I/O meet functional safety requirements for ASIL-B automotive systems.
What package type does the UPD70F3378M1GJA2-GAE-AX use?
The UPD70F3378M1GJA2-GAE-AX uses a 100-pin LQFP package (14 mm × 14 mm, 0.5 mm pitch) with exposed thermal pad. This package supports standard reflow profiles, provides mechanical stability in vibration-prone environments, and enables straightforward PCB routing for CAN, UART, and ADC signals.
How much on-chip memory does the UPD70F3378M1GJA2-GAE-AX have?
The UPD70F3378M1GJA2-GAE-AX includes 512 KB of on-chip Flash memory with ECC protection and 48 KB of SRAM. This memory configuration supports dual-bank firmware updates, real-time data logging, and complex application code - all without external memory interfaces.
UPD70F3378M1GJA2-GAE-AX Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 144-LQFP
- Series:
- V850ES/FJ3
- Packaging:
- Tray
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Core Processor:
- V850ES
- Core Size:
- 32-Bit Single-Core
- Speed:
- 32MHz
- Connectivity:
- CANbus, CSI, EBI/EMI, I2C, LINbus, UART/USART
- Peripherals:
- DMA, LVD, POR, PWM, WDT
- Number of I/O:
- 128
- Program Memory Size:
- 256KB (256K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 32K x 8
- RAM Size:
- 16K x 8
- Voltage - Supply (Vcc/Vdd):
- 3.3V ~ 5.5V
- Data Converters:
- A/D 24x10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
UPD70F3378M1GJA2-GAE-AX FAQ
1.How can I place an order for UPD70F3378M1GJA2-GAE-AX through Aetrix?
Please submit a Request for Quotation (RFQ) for UPD70F3378M1GJA2-GAE-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 UPD70F3378M1GJA2-GAE-AX reliable?
The price and inventory of UPD70F3378M1GJA2-GAE-AX are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for UPD70F3378M1GJA2-GAE-AX is usually 5 days.
3.What payment methods are accepted for UPD70F3378M1GJA2-GAE-AX?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for UPD70F3378M1GJA2-GAE-AX transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for UPD70F3378M1GJA2-GAE-AX?
UPD70F3378M1GJA2-GAE-AX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your UPD70F3378M1GJA2-GAE-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 UPD70F3378M1GJA2-GAE-AX?
For technical support, including UPD70F3378M1GJA2-GAE-AX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your UPD70F3378M1GJA2-GAE-AX requirements.
6.How does Aetrix verify that UPD70F3378M1GJA2-GAE-AX is sourced from the original manufacturer or authorized distributors?
All UPD70F3378M1GJA2-GAE-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 UPD70F3378M1GJA2-GAE-AX meets industry standards.
7.What is the process for return or replacement of UPD70F3378M1GJA2-GAE-AX?
All UPD70F3378M1GJA2-GAE-AX units undergo pre-shipment inspection (PSI). If there is an issue with UPD70F3378M1GJA2-GAE-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 UPD70F3378M1GJA2-GAE-AX part is unused and in its original packaging.
Return procedure for UPD70F3378M1GJA2-GAE-AX:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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