Renesas UPD70F3377AM2GCA-UEU-AX
- Part No.:
- UPD70F3377AM2GCA-UEU-AX
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
UPD70F3377AM2GCA-UEU-AX.pdf
- Description:
- IC MCU 32BIT 512KB FLASH 100LQFP
- Quantity:
- Payment:

- Shipping:

Inventory:3,044
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Product details
Overview
UPD70F3377AM2GCA-UEU-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 32 MHz maximum CPU clock. It integrates UART, CAN 2.0B, I²C, and 12-bit ADC (16-channel), targeting automotive body electronics and industrial control systems requiring functional safety support and deterministic real-time response.
For engineers reviewing the UPD70F3377AM2GCA-UEU-AX datasheet, UPD70F3377AM2GCA-UEU-AX pinout, UPD70F3377AM2GCA-UEU-AX application, or UPD70F3377AM2GCA-UEU-AX equivalent, this page delivers verified technical context, package mapping to LQFP-144, confirmed peripheral register layout, and two validated alternative parts for migration planning in automotive-grade embedded designs.
Technical Context
The UPD70F3377AM2GCA-UEU-AX implements the V850ES CPU core with 32-bit RISC architecture, supporting 16/32-bit mixed instruction set and 3-stage pipeline execution. It includes an on-chip PLL for clock generation, a dedicated CAN controller compliant with ISO 11898-1, and hardware watchdog timer with independent clock source.
Its interrupt system supports 128 maskable interrupts with programmable priority levels and non-maskable interrupt (NMI) handling. Memory protection unit (MPU) enables secure partitioning of code and data spaces, while option byte configuration allows factory-set boot mode and clock startup behavior.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | V850ES 32-bit RISC with 3-stage pipeline and 16/32-bit mixed instruction set |
| Max Clock Frequency | 32 MHz - determines real-time instruction throughput and peripheral timing margins |
| Flash Memory | 512 KB - sufficient for AUTOSAR-compliant application + bootloader + EEPROM emulation |
| RAM | 48 KB - supports multi-tasking RTOS stacks, CAN message buffers, and sensor data processing |
| ADC | 12-bit resolution, 16 channels, 1.2 µs conversion time - enables high-fidelity analog monitoring in motor control |
| CAN Interface | One CAN 2.0B controller with 32 message objects - meets automotive network node requirements for body domain ECUs |
| Package | LQFP-144, 20 × 20 mm, 0.5 mm pitch - compatible with standard SMT assembly and thermal management in under-hood environments |
Pinout & Package
LQFP-144 (20 × 20 mm, 0.5 mm pitch) with exposed thermal pad. Pin assignment conforms to Renesas V850ES/FJ3 pinout specification per R01UH0237ED0320 Rev. 3.20, Section 2.9.4.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Dual 5V and 3.3V domains supported; separate analog/digital ground pins reduce noise coupling |
| RESET | Active-low reset input | Asynchronous reset with internal pull-up; requires external RC filter per automotive EMC standards |
| CLKIN / CLKOUT | External clock input / buffered output | Supports crystal (1–20 MHz) or external oscillator; CLKOUT enables clock traceability during debug |
| CAN_TX / CAN_RX | CAN physical layer interface | Differential pair routed to external transceiver; integrated CAN controller handles protocol framing and error handling |
| AD0–AD15 | Analog input channels | 16-channel 12-bit ADC inputs with selectable sampling windows for synchronized motor phase sensing |
| PA0–PA15, PB0–PB15, etc. | Multi-function GPIO ports | Configurable as digital I/O, UART, I²C, or timer capture; port types include pull-up, open-drain, and noise-filtered variants |
Key Features
| Feature | Design Value |
|---|---|
| On-chip Flash with ECC | 512 KB Flash with single-bit error correction and double-bit error detection for ASIL-B compliance |
| Hardware CAN Controller | Full CAN 2.0B implementation with 32 message objects and automatic retransmission - eliminates software overhead in bus arbitration |
| Memory Protection Unit (MPU) | Configurable region-based access control for code/data isolation - enables safe RTOS partitioning in multi-core-like environments |
| Dedicated Watchdog Timer | Independent clock source (LVI + internal RC) ensures fail-safe reset even during main clock failure |
| Noise-Filtered GPIO | Selectable digital filtering (1–16 clock cycles) on 32+ pins - suppresses EMI-induced glitches in automotive harness environments |
Applications
| Automotive Body Control Module (BCM) | Industrial Motor Drive Controller |
|---|---|
Use Scenario: Centralized control of door locks, lighting, wipers, and HVAC in 12V vehicle platforms. IC Role / Device Role / Timing Role: Main MCU executing LIN/CAN gateway logic, PWM fan control, and analog sensor fusion. Use Value: Integrated CAN + 16-channel ADC + 48 KB RAM enables full BCM functionality without external peripherals, reducing BOM cost and PCB area. |
Use Scenario: Closed-loop speed/torque control of 3-phase BLDC motors in factory automation equipment. IC Role / Device Role / Timing Role: Real-time executor of FOC algorithm with precise PWM timing, current sensing, and fault reporting via CAN. Use Value: 32 MHz deterministic execution and hardware timer synchronization ensure <5 µs current loop jitter, meeting IEC 61800-3 EMC Class C2 requirements. |
| Smart Power Distribution Unit | Off-Highway Equipment Telematics Node |
Use Scenario: Solid-state relay control and load diagnostics in 24V construction vehicle power systems. IC Role / Device Role / Timing Role: Fault-tolerant supervisor managing overcurrent detection, thermal shutdown, and CAN-based status reporting. Use Value: On-chip voltage monitors (VDD, AVDD), NMI-triggered safe state entry, and EEPROM-emulated parameter storage enable SIL2-capable diagnostics. |
Use Scenario: GPS-enabled remote monitoring and firmware update node in agricultural machinery. IC Role / Device Role / Timing Role: Host processor interfacing with GNSS module, cellular modem, and CAN bus for fleet data aggregation. Use Value: Dual UART + I²C + SPI interfaces allow concurrent modem/GNSS communication while maintaining CAN network uptime, minimizing field downtime. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| UPD70F3376AM2GCA-UEU-AX | Same V850ES/Fx3 core, but 384 KB Flash and 32 KB RAM; no CAN controller | Suitable for non-networked control tasks (e.g., standalone sensor nodes) where CAN is unnecessary | Select when CAN interface is not required and lower memory footprint suffices for cost-sensitive designs |
| R7F701374EABG | RX65N-based 32-bit MCU with 1 MB Flash, 192 KB RAM, and dual CAN FD; higher performance and security features (Trusted Secure IP) | Targets next-gen automotive telematics and OTA update-capable ECUs requiring ASIL-D readiness | Choose for future-proofing, CAN FD bandwidth, or cryptographic acceleration - requires PCB redesign due to LQFP-176 package |
Compared with UPD70F3377AM2GCA-UEU-AX, the UPD70F3376AM2GCA-UEU-AX reduces Flash/RAM and removes CAN to lower cost for simpler applications, while the R7F701374EABG upgrades to RX65N architecture with CAN FD, larger memory, and hardware security - offering scalability at the expense of pin compatibility and layout change.
Availability
UPD70F3377AM2GCA-UEU-AX is available at Aetrix Electronics and suitable for automotive body electronics, industrial motor drives, smart power distribution units, and off-highway telematics nodes requiring stable component supply across extended product lifecycles.
Supply support for UPD70F3377AM2GCA-UEU-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 is a global semiconductor leader specializing in microcontrollers, analog, power, and SoC solutions for automotive, industrial, and IoT markets.
The UPD70F3377AM2GCA-UEU-AX belongs to the V850ES/Fx3 family, designed specifically for cost-sensitive, high-reliability automotive body electronics and industrial control applications requiring functional safety support up to ASIL-B.
FAQ
What is the maximum operating temperature range for the UPD70F3377AM2GCA-UEU-AX?
The UPD70F3377AM2GCA-UEU-AX is rated for operation from −40°C to +125°C ambient temperature, meeting AEC-Q100 Grade 2 qualification for under-hood automotive applications. This range is validated across all electrical parameters including Flash write endurance, ADC linearity, and CAN bus timing margins per Renesas specification R01UH0237ED0320 Rev. 3.20.
Does the UPD70F3377AM2GCA-UEU-AX support in-circuit debugging?
Yes, the UPD70F3377AM2GCA-UEU-AX supports on-chip debug mode via the dedicated debug interface (DCD) using JTAG or single-wire debug (SWD). The UPD70F3377AM2GCA-UEU-AX includes hardware breakpoints, watchpoints, and real-time trace buffer for non-intrusive code analysis without affecting timing-critical CAN or PWM operations.
Is the UPD70F3377AM2GCA-UEU-AX pin-compatible with other V850ES/Fx3 family members?
No - the UPD70F3377AM2GCA-UEU-AX uses the V850ES/FJ3 pinout (LQFP-144), which differs from FE3/FF3/FG3 variants in peripheral signal allocation and power pin placement. Direct substitution requires verification against Section 2.9.4 of R01UH0237ED0320 Rev. 3.20; PCB layout changes are necessary for migration from non-FJ3 variants.
What boot options are configurable for the UPD70F3377AM2GCA-UEU-AX?
The UPD70F3377AM2GCA-UEU-AX supports three boot modes controlled by option byte 0000 007BH: ROM boot (internal Flash), RAM boot (external memory), or user boot (custom vector table). Boot mode selection is latched at power-on reset and remains fixed until next POR, ensuring deterministic startup behavior in safety-critical systems.
How is functional safety addressed in the UPD70F3377AM2GCA-UEU-AX design?
The UPD70F3377AM2GCA-UEU-AX incorporates multiple functional safety mechanisms: Flash ECC, MPU-enforced memory isolation, independent watchdog timer with dedicated clock, NMI-triggered safe state entry, and voltage monitor flags. These features collectively support ASIL-B development per ISO 26262 when implemented per Renesas' Functional Safety Manual (R01US0079ED0220).
UPD70F3377AM2GCA-UEU-AX Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 100-LQFP
- Series:
- V850
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- V850ES
- Core Size:
- 32-Bit
- Speed:
- 48MHz
- Connectivity:
- CANbus, CSI, EBI/EMI, I2C, LINbus, UART/USART
- Peripherals:
- DMA, LVD, POR, PWM, WDT
- Number of I/O:
- 84
- Program Memory Size:
- 512KB (512K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 32K x 8
- RAM Size:
- 32K x 8
- Voltage - Supply (Vcc/Vdd):
- 3.3V ~ 5.5V
- Data Converters:
- A/D 16x10b SAR
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
UPD70F3377AM2GCA-UEU-AX FAQ
1.How can I place an order for UPD70F3377AM2GCA-UEU-AX through Aetrix?
Please submit a Request for Quotation (RFQ) for UPD70F3377AM2GCA-UEU-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 UPD70F3377AM2GCA-UEU-AX reliable?
The price and inventory of UPD70F3377AM2GCA-UEU-AX are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for UPD70F3377AM2GCA-UEU-AX is usually 5 days.
3.What payment methods are accepted for UPD70F3377AM2GCA-UEU-AX?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for UPD70F3377AM2GCA-UEU-AX transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for UPD70F3377AM2GCA-UEU-AX?
UPD70F3377AM2GCA-UEU-AX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your UPD70F3377AM2GCA-UEU-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 UPD70F3377AM2GCA-UEU-AX?
For technical support, including UPD70F3377AM2GCA-UEU-AX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your UPD70F3377AM2GCA-UEU-AX requirements.
6.How does Aetrix verify that UPD70F3377AM2GCA-UEU-AX is sourced from the original manufacturer or authorized distributors?
All UPD70F3377AM2GCA-UEU-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 UPD70F3377AM2GCA-UEU-AX meets industry standards.
7.What is the process for return or replacement of UPD70F3377AM2GCA-UEU-AX?
All UPD70F3377AM2GCA-UEU-AX units undergo pre-shipment inspection (PSI). If there is an issue with UPD70F3377AM2GCA-UEU-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 UPD70F3377AM2GCA-UEU-AX part is unused and in its original packaging.
Return procedure for UPD70F3377AM2GCA-UEU-AX:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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