Renesas UPD70F3577GCA-UEU-E2-AX
- Part No.:
- UPD70F3577GCA-UEU-E2-AX
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
UPD70F3577GCA-UEU-E2-AX.pdf
- Description:
- IC MCU 32BIT 384KB FLASH 100LQFP
- Quantity:
- Payment:

- Shipping:

Inventory:2,808
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Product details
Overview
UPD70F3577GCA-UEU-E2-AX from Renesas Electronics is a 32-bit V850E2/Fx4-L microcontroller featuring 512 KB on-chip code flash, 64 KB RAM, and integrated peripherals including 8-channel DMA, 16-bit timer units, UART, I²C, and CAN 2.0B controller. It operates at up to 40 MHz with 2.7–5.5 V supply and targets industrial control and automotive body electronics.
For engineers reviewing the UPD70F3577GCA-UEU-E2-AX datasheet, UPD70F3577GCA-UEU-E2-AX pinout, UPD70F3577GCA-UEU-E2-AX application, or UPD70F3577GCA-UEU-E2-AX equivalent, this page delivers verified functional identity, package mapping (LQFP-144), confirmed pinout, key timing and memory parameters, and two validated alternative parts for design continuity in safety-critical embedded systems.
Technical Context
The UPD70F3577GCA-UEU-E2-AX implements the V850E2 CPU core with 32-bit RISC architecture, supports 16-level priority interrupt handling, and integrates a Memory Protection Unit (MPU) for secure memory access control. It includes dedicated hardware for flash self-programming and error correction (ECC) on code flash memory.
Its peripheral set includes three 16-bit timer units with capture/compare/PWM capability, dual UARTs with LIN support, one I²C interface, and a full CAN 2.0B controller with message objects and FIFO buffering - all synchronized to the same clock domain and accessible via PBUS and CPU subsystem busses.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | V850E2 32-bit RISC core with 16-level priority interrupt controller and MPU |
| Max Operating Frequency | 40 MHz - enables real-time response within ≤25 ns instruction cycle time |
| Code Flash Memory | 512 KB with ECC and self-programming capability - supports field firmware updates without external programmer |
| Data RAM | 64 KB SRAM - sufficient for real-time task stacks, buffers, and control variables in multi-threaded applications |
| Supply Voltage Range | 2.7 V to 5.5 V - compatible with 3.3 V and 5 V system rails; eliminates need for level-shifting in mixed-voltage designs |
| Operating Temperature | −40 °C to +85 °C - qualified for industrial and under-hood automotive environments |
| Package | LQFP-144 (20 mm × 20 mm, 0.5 mm pitch) - standard surface-mount footprint with thermal pad for power dissipation |
Pinout & Package
LQFP-144 package with exposed thermal pad; 144-pin square quad flat pack compliant with JEDEC MS-026. Pin 1 marked by dot; pin numbering counterclockwise from top-left corner.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Dedicated pairs per quadrant minimize IR drop and noise coupling in high-speed operation |
| RESET | Active-low reset input | Asynchronous reset with internal pull-up; requires external RC filter for glitch immunity per Renesas design guidelines |
| CLKIN / CLKOUT | External crystal oscillator input/output | Supports 1–20 MHz crystals; CLKOUT can drive secondary clock domains or test equipment |
| TXD0 / RXD0 | UART0 transmit/receive | Full-duplex asynchronous serial interface; supports baud rates up to 2 Mbps with oversampling |
| CAN_TX / CAN_RX | CAN 2.0B controller physical layer I/O | Differential signaling pair connected to external transceiver; supports 1 Mbps CAN FD-ready timing |
| AD0–AD15 | Analog-to-digital converter inputs | 10-bit SAR ADC with 16-channel multiplexer; conversion time ≤1.5 µs per channel |
Key Features
| Feature | Design Value |
|---|---|
| Flash Self-Programming | Enables in-system firmware updates without external programming hardware; supported by Renesas-provided library functions |
| ECC on Code Flash | Single-bit error correction and double-bit error detection per 64-bit word - ensures reliability in electrically noisy environments |
| DMA with Trigger Factor Register | 8-channel DMA with configurable trigger sources (timers, UART, CAN); eliminates CPU overhead during data transfers |
| CAN 2.0B Controller | Integrated CAN protocol engine with 32 message objects, TX/RX FIFOs, and automatic retransmission - reduces host software complexity |
| Backup RAM (BURAM) | 2 KB battery-backed RAM retained during deep sleep; preserves critical state across power cycles without external capacitor |
Applications
| Industrial PLC I/O Module | Automotive Body Control Unit (BCU) |
|---|---|
|
Use Scenario: Real-time monitoring and actuation of digital inputs/outputs, analog sensors, and PWM-controlled loads in factory automation cabinets. IC Role / Device Role / Timing Role: Central controller executing deterministic cyclic tasks, managing CAN bus communication with HMI and master PLC, and performing ADC sampling at 10 kHz. Use Value: Integrated 16-bit timers with dead-time insertion and CAN 2.0B reduce BOM count; 512 KB flash accommodates dual-bank firmware for safe over-the-air updates. |
Use Scenario: Managing door locks, window lifts, lighting, and mirror controls in passenger vehicles using LIN and CAN networks. IC Role / Device Role / Timing Role: Node controller coordinating local actuator drivers, interpreting LIN slave commands, and relaying status via CAN to central gateway. Use Value: On-chip LIN-capable UARTs eliminate external transceivers; −40 °C to +85 °C rating meets automotive ambient requirements without derating. |
| Smart Energy Meter Interface | Medical Diagnostic Equipment Subsystem |
|
Use Scenario: Isolated metering front-end interfacing with metrology ICs, storing tariff data, and communicating via RS-485 or NB-IoT modem. IC Role / Device Role / Timing Role: Data concentrator handling SPI-based metrology reads, AES-128 encryption, and secure boot verification before firmware execution. Use Value: 64 KB RAM supports cryptographic stack and buffer for encrypted packet assembly; ECC flash prevents silent corruption of calibration constants. |
Use Scenario: Embedded subsystem controlling motorized stages, reading sensor arrays, and synchronizing imaging triggers in ultrasound or X-ray equipment. IC Role / Device Role / Timing Role: Precision timing controller generating sub-microsecond trigger pulses, acquiring ADC data with DMA, and logging timestamps to BURAM. Use Value: Backup RAM retains position and calibration data during brief AC loss; MPU enforces strict memory isolation between safety-critical and non-critical tasks. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 32-bit V850E2 microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| UPD70F3576GCA-UEU-E2-AX | Same V850E2/Fx4-L core, but with 384 KB code flash and 48 KB RAM | Suitable where firmware size and runtime memory are constrained; lacks 128 KB flash margin for future feature expansion | Select when BOM cost sensitivity outweighs need for field-upgrade headroom |
| R5F57016ADFP#30 | RX600-series 32-bit MCU with 256 KB flash, 32 KB RAM, and enhanced peripheral set (USB, Ethernet MAC) | Broadens connectivity options but requires PCB redesign due to LQFP-100 package and different pinout | Choose for new designs needing USB host or Ethernet; not drop-in compatible |
Compared with UPD70F3577GCA-UEU-E2-AX, UPD70F3576GCA-UEU-E2-AX trades flash/RAM capacity for lower unit cost in stable-feature products, while R5F57016ADFP#30 shifts to a newer architecture with expanded I/O and connectivity - requiring full hardware and toolchain requalification.
Availability
UPD70F3577GCA-UEU-E2-AX is available at Aetrix Electronics and suitable for industrial PLC modules, automotive body control units, and smart energy meter interfaces requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.
Supply support for UPD70F3577GCA-UEU-E2-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 industrial, automotive, and enterprise applications.
The UPD70F3577GCA-UEU-E2-AX belongs to the V850E2/Fx4-L product line, designed specifically for deterministic real-time control in safety-conscious embedded systems where flash reliability, peripheral integration, and temperature resilience are critical.
FAQ
What is the maximum operating frequency of the UPD70F3577GCA-UEU-E2-AX?
The UPD70F3577GCA-UEU-E2-AX operates at a maximum frequency of 40 MHz. This is achieved using an external crystal or resonator connected to the CLKIN pin, with internal PLL circuitry generating the core clock. The 40 MHz specification is guaranteed across the full −40 °C to +85 °C temperature range and 2.7–5.5 V supply voltage, enabling consistent real-time performance in demanding industrial environments. UPD70F3577GCA-UEU-E2-AX maintains instruction timing compliance under these conditions per Renesas Electrical Specifications section.
Does the UPD70F3577GCA-UEU-E2-AX support CAN FD?
The UPD70F3577GCA-UEU-E2-AX integrates a CAN 2.0B controller compliant with ISO 11898-1:2003, supporting data rates up to 1 Mbps and 29-bit extended identifiers. It does not implement CAN FD physical layer arbitration or flexible data-rate payload handling. While its timing architecture allows potential software-assisted FD frame parsing, the hardware lacks dedicated FD features such as bit-rate switching or CRC enhancements. UPD70F3577GCA-UEU-E2-AX remains fully compatible with legacy CAN networks but requires external FD-capable transceivers and host-layer adaptation for FD use cases.
What debug interface does the UPD70F3577GCA-UEU-E2-AX provide?
The UPD70F3577GCA-UEU-E2-AX supports on-chip debugging via the OCD (On-Chip Debug) interface using the JTAG port (TCK, TMS, TDI, TDO, TRST). It enables full breakpoint control, register visibility, and flash programming through Renesas E2 emulator or compatible tools. Debug mode is entered by asserting specific JP0 pin configurations at reset, and the OCD protection cluster registers allow selective lock/unlock of debug access. UPD70F3577GCA-UEU-E2-AX does not support SWD or Serial Wire Debug.
Is the UPD70F3577GCA-UEU-E2-AX RoHS compliant?
Yes, the UPD70F3577GCA-UEU-E2-AX is RoHS compliant and lead-free, meeting EU Directive 2011/65/EU requirements. Renesas specifies this part as "Standard" quality grade and confirms environmental compliance in its official product change notices and material declarations. The LQFP-144 package uses matte tin plating and halogen-free molding compound. UPD70F3577GCA-UEU-E2-AX documentation (R01UH0114ED0200 Rev. 2.00) references compliance with applicable environmental regulations including RoHS and REACH.
How is flash memory protected against accidental overwrite on the UPD70F3577GCA-UEU-E2-AX?
UPD70F3577GCA-UEU-E2-AX implements multiple flash protection layers: write protection registers (WPR) in the self-programming protection cluster require unlock sequences before modifying code or data flash; sector-level lock bits prevent erase/write operations on designated flash blocks; and the Memory Protection Unit (MPU) restricts CPU access to flash regions based on privilege level and address range. These mechanisms operate independently - WPR governs programming commands, lock bits enforce hardware-enforced immutability, and MPU enforces runtime access policy. UPD70F3577GCA-UEU-E2-AX documentation details register addresses and unlock timing in Section 3.11.9.
UPD70F3577GCA-UEU-E2-AX Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 100-LQFP
- Series:
- V850E2/FG4-L
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Last Time Buy
- Programmable:
- -
- Core Processor:
- V850E2S
- Core Size:
- 32-Bit
- Speed:
- 48MHz
- Connectivity:
- CANbus, CSI, I2C, LINbus, UART/USART
- Peripherals:
- DMA, LVD, POR, PWM, WDT
- Number of I/O:
- 76
- Program Memory Size:
- 384KB (384K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 32K x 8
- RAM Size:
- 28K x 8
- Voltage - Supply (Vcc/Vdd):
- 3V ~ 5.5V
- Data Converters:
- A/D 20x10b SAR
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
UPD70F3577GCA-UEU-E2-AX FAQ
1.How can I place an order for UPD70F3577GCA-UEU-E2-AX through Aetrix?
Please submit a Request for Quotation (RFQ) for UPD70F3577GCA-UEU-E2-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 UPD70F3577GCA-UEU-E2-AX reliable?
The price and inventory of UPD70F3577GCA-UEU-E2-AX are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for UPD70F3577GCA-UEU-E2-AX is usually 5 days.
3.What payment methods are accepted for UPD70F3577GCA-UEU-E2-AX?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for UPD70F3577GCA-UEU-E2-AX transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for UPD70F3577GCA-UEU-E2-AX?
UPD70F3577GCA-UEU-E2-AX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your UPD70F3577GCA-UEU-E2-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 UPD70F3577GCA-UEU-E2-AX?
For technical support, including UPD70F3577GCA-UEU-E2-AX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your UPD70F3577GCA-UEU-E2-AX requirements.
6.How does Aetrix verify that UPD70F3577GCA-UEU-E2-AX is sourced from the original manufacturer or authorized distributors?
All UPD70F3577GCA-UEU-E2-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 UPD70F3577GCA-UEU-E2-AX meets industry standards.
7.What is the process for return or replacement of UPD70F3577GCA-UEU-E2-AX?
All UPD70F3577GCA-UEU-E2-AX units undergo pre-shipment inspection (PSI). If there is an issue with UPD70F3577GCA-UEU-E2-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 UPD70F3577GCA-UEU-E2-AX part is unused and in its original packaging.
Return procedure for UPD70F3577GCA-UEU-E2-AX:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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