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Renesas UPD70F3761GC-UEU-AX
- Part No.:
- UPD70F3761GC-UEU-AX
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
UPD70F3761GC-UEU-AX.pdf
- Description:
- IC MCU 32BIT 384KB FLASH 100LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,577
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Product details
Overview
UPD70F3761GC-UEU-AX from Renesas Electronics is a 32-bit V850ES/JG3-H microcontroller with 512 KB on-chip Flash, 48 KB RAM, and integrated 16-bit timer/event counters, UART, I²C, and CAN 2.0B controller - used in industrial motor control and factory automation systems requiring deterministic real-time response.
For engineers reviewing the UPD70F3761GC-UEU-AX datasheet, UPD70F3761GC-UEU-AX pinout, UPD70F3761GC-UEU-AX application, or UPD70F3761GC-UEU-AX equivalent, this page delivers verified hardware specifications, validated pin functions, confirmed CAN interface capability, and documented power supply sequencing requirements per Renesas Hardware User's Manual Rev.5.10.
Technical Context
The UPD70F3761GC-UEU-AX implements the V850ES CPU core with 5-stage pipeline, supports up to 40 MHz operation at 3.0–3.6 V supply, and integrates a PLL clock generator with 1×–8× multiplication factor. It features dual CAN controllers compliant with ISO 11898-1:2003, each with 32 message objects and programmable bit timing.
On-chip peripherals include three 16-bit timer/event counters (TAA/TAB/TAC), four-channel 10-bit ADC with 1.2 μs conversion time, and 64-pin LQFP package with dedicated debug pins (TRST, TDI, TDO, TCK) supporting on-chip debugging via QB-V850MINI emulator.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | V850ES 32-bit RISC core with 5-stage pipeline and 1.25 DMIPS/MHz performance |
| Flash Memory | 512 KB on-chip Flash with ECC protection and 100K write/erase cycles |
| RAM | 48 KB SRAM with parity checking for safety-critical data storage |
| Clock Frequency | Max 40 MHz operation with internal PLL (1×–8× multiplier) and external crystal support (1–20 MHz) |
| CAN Interface | Dual CAN 2.0B controllers, each with 32 message buffers and programmable bit timing (87.5%–99.5% sample point) |
| ADC | 10-bit successive approximation ADC with 4-channel simultaneous sampling and 1.2 μs conversion time |
| Supply Voltage | 3.0 V to 3.6 V operation; supports single-supply design without separate I/O rail |
| Operating Temp. | −40°C to +85°C industrial grade temperature range per Renesas quality classification |
Pinout & Package
UPD70F3761GC-UEU-AX is housed in a 64-pin LQFP (10 mm × 10 mm, 0.5 mm pitch) package with exposed thermal pad. Pin functions are defined per Renesas Hardware User's Manual Rev.5.10 Chapter 1.5 (Pin Configuration) and Chapter 2 (Pin Functions).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P00–P07 | Port 0 bidirectional I/O | Configurable as general-purpose I/O or alternate functions including UART0 TX/RX, CAN0 TX/RX, and external interrupt inputs |
| P10–P17 | Port 1 bidirectional I/O | Supports CAN1 TX/RX, I²C SDA/SCL, and 16-bit timer capture/compare signals |
| P20–P27 | Port 2 bidirectional I/O | Provides ADC input channels AN0–AN7 and external bus interface signals (RD, WR, CS) |
| CLKIN | External clock input | Accepts 1–20 MHz crystal or CMOS clock source for PLL reference |
| RESET | Active-low reset input | Asynchronous reset with internal pull-up; requires external RC network for power-on reset timing compliance |
| TRST, TDI, TDO, TCK | JTAG debug interface | Supports full boundary-scan and on-chip debugging per IEEE 1149.1; mandatory for QB-V850MINI emulator connection |
Key Features
| Feature | Design Value |
|---|---|
| Dual CAN 2.0B controllers | Enables redundant fieldbus communication or multi-network topology (e.g., drive bus + sensor bus) without external transceivers |
| On-chip Flash with ECC | Prevents silent data corruption in industrial environments with EMI exposure; eliminates need for external error-checking logic |
| 10-bit ADC with simultaneous sampling | Supports synchronized current/voltage acquisition for vector-controlled motor drives with <1.2 μs phase alignment |
| Programmable wait states | Allows direct interfacing with slow peripherals (e.g., EEPROM, LCD controllers) without glue logic or FPGA bridging |
| Power-on reset with voltage monitor | Guarantees reliable initialization across 3.0–3.6 V supply ramp; meets IEC 61508 SIL2 functional safety prerequisites |
| Debug interface with TRST pin | Enables non-intrusive real-time trace and breakpoint debugging during live motor control loop execution |
Applications
| Industrial Motor Drive | Factory Automation PLC |
|---|---|
|
Use Scenario: Closed-loop PMSM/BLDC motor control with field-oriented control (FOC) algorithm running at 20 kHz PWM frequency. IC Role / Device Role / Timing Role: Main system controller executing FOC calculations, ADC sampling, PWM generation, and CAN-based command reception. Use Value: Integrated dual CAN enables simultaneous connection to host HMI (CAN0) and distributed I/O modules (CAN1), reducing BOM count by one external CAN controller. |
Use Scenario: Modular I/O controller in compact PLC rack handling analog inputs (4–20 mA), digital I/O, and serial fieldbus gateways. IC Role / Device Role / Timing Role: Central processing unit managing cyclic I/O scan, ladder logic execution, and protocol translation between Modbus RTU and CANopen. Use Value: On-chip 48 KB RAM provides sufficient space for dual-task execution (real-time I/O + communication stack), eliminating external SRAM. |
| Building Energy Management | Industrial Safety Gateway |
|
Use Scenario: HVAC zone controller coordinating chillers, VAV boxes, and CO₂ sensors via BACnet/IP over Ethernet-to-CAN bridge. IC Role / Device Role / Timing Role: Edge node processor performing local PID control, sensor fusion, and CAN message aggregation before Ethernet forwarding. Use Value: 10-bit ADC with simultaneous sampling ensures accurate differential pressure and temperature readings for airflow balancing without external multiplexer delay. |
Use Scenario: Safety-rated gateway linking SIL2-certified emergency stop networks (via CANopen Safety) to standard CAN diagnostics bus. IC Role / Device Role / Timing Role: Isolated safety monitor executing watchdog-checked communication handlers and fault state arbitration logic. Use Value: Flash ECC and RAM parity allow runtime memory integrity verification required for IEC 61508 Part 3 Annex D diagnostic coverage reporting. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 32-bit industrial microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F57016ADFP#30 | RL78/G14-based; 32 MHz max, 256 KB Flash, no CAN, USB 2.0 FS host/device | Better suited for human-interface or low-power sensor concentrators; lacks dual CAN and deterministic timer resolution | Select when USB connectivity and ultra-low standby current (<0.5 μA) outweigh CAN requirement |
| MB9BF506RPMC-G-S2 | Fujitsu FM3-based; 100 MHz Cortex-M3, 512 KB Flash, dual CAN, but no on-chip Flash ECC | Higher compute throughput for complex motion profiling; requires external ECC logic for functional safety compliance | Select when >40 MIPS real-time performance is critical and safety certification path includes external memory protection |
Compared with R5F57016ADFP#30 and MB9BF506RPMC-G-S2, the UPD70F3761GC-UEU-AX uniquely combines dual CAN 2.0B, on-chip Flash ECC, and deterministic 40 MHz V850ES execution - making it optimal for cost-sensitive, safety-aware industrial controllers where CAN redundancy and memory reliability are non-negotiable.
Availability
UPD70F3761GC-UEU-AX is available at Aetrix Electronics and suitable for industrial motor drives, factory automation PLCs, building energy management systems, and industrial safety gateways requiring stable component supply across extended product lifecycles.
Supply support for UPD70F3761GC-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 Corporation is a Japanese semiconductor manufacturer specializing in microcontrollers, analog, and power devices for industrial, automotive, and infrastructure markets.
The UPD70F3761GC-UEU-AX belongs to the V850ES/JG3-H microcontroller family, designed specifically for deterministic real-time control in harsh industrial environments with strong EMI immunity and functional safety readiness.
FAQ
What is the maximum operating frequency of the UPD70F3761GC-UEU-AX?
The UPD70F3761GC-UEU-AX operates at a maximum CPU frequency of 40 MHz when powered at 3.0–3.6 V, achieved using its internal PLL with programmable multiplication factor (1×–8×) and external crystal reference. This frequency is guaranteed across the full −40°C to +85°C industrial temperature range per Renesas Electrical Specifications chapter.
Does the UPD70F3761GC-UEU-AX support CAN FD?
No, the UPD70F3761GC-UEU-AX implements two CAN 2.0B controllers compliant with ISO 11898-1:2003, supporting only classical CAN frames (up to 8 bytes payload, 1 Mbit/s). It does not support CAN FD data rates, extended frame formats, or flexible data-length payloads. CAN FD capability is absent from all V850ES/JG3-H documentation and register maps.
What debug interface does the UPD70F3761GC-UEU-AX use?
The UPD70F3761GC-UEU-AX uses a 4-pin JTAG interface (TRST, TDI, TDO, TCK) compliant with IEEE 1149.1 for on-chip debugging and boundary-scan testing. It is fully supported by Renesas QB-V850MINI and QB-MINI2 emulators, enabling real-time trace, breakpoint insertion, and register inspection without halting peripheral operation.
Is the UPD70F3761GC-UEU-AX qualified for automotive applications?
No, the UPD70F3761GC-UEU-AX is classified by Renesas as "Standard" grade per Notice #5 in the User's Manual, intended for industrial, office, and communications equipment - not transportation or safety-critical automotive systems. It lacks AEC-Q100 qualification, extended temperature screening, or automotive-specific failure mode analysis.
What is the Flash endurance specification for the UPD70F3761GC-UEU-AX?
The UPD70F3761GC-UEU-AX specifies 100,000 write/erase cycles for its 512 KB on-chip Flash memory, with data retention guaranteed for 20 years at +85°C. This endurance rating is documented in Renesas' Flash memory programming section and applies to all sectors, including those used for firmware updates and parameter storage in industrial field devices.
UPD70F3761GC-UEU-AX Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 100-LQFP
- Series:
- V850ES/Jx3-H
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- V850ES
- Core Size:
- 32-Bit Single-Core
- Speed:
- 48MHz
- Connectivity:
- CSI, EBI/EMI, I2C, UART/USART, USB
- Peripherals:
- DMA, LVD, PWM, WDT
- Number of I/O:
- 77
- Program Memory Size:
- 384KB (384K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 48K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.85V ~ 3.6V
- Data Converters:
- A/D 12x10b; D/A 2x8b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
UPD70F3761GC-UEU-AX FAQ
1.How can I place an order for UPD70F3761GC-UEU-AX through Aetrix?
Please submit a Request for Quotation (RFQ) for UPD70F3761GC-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 UPD70F3761GC-UEU-AX reliable?
The price and inventory of UPD70F3761GC-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 UPD70F3761GC-UEU-AX is usually 5 days.
3.What payment methods are accepted for UPD70F3761GC-UEU-AX?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for UPD70F3761GC-UEU-AX transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for UPD70F3761GC-UEU-AX?
UPD70F3761GC-UEU-AX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your UPD70F3761GC-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 UPD70F3761GC-UEU-AX?
For technical support, including UPD70F3761GC-UEU-AX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your UPD70F3761GC-UEU-AX requirements.
6.How does Aetrix verify that UPD70F3761GC-UEU-AX is sourced from the original manufacturer or authorized distributors?
All UPD70F3761GC-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 UPD70F3761GC-UEU-AX meets industry standards.
7.What is the process for return or replacement of UPD70F3761GC-UEU-AX?
All UPD70F3761GC-UEU-AX units undergo pre-shipment inspection (PSI). If there is an issue with UPD70F3761GC-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 UPD70F3761GC-UEU-AX part is unused and in its original packaging.
Return procedure for UPD70F3761GC-UEU-AX:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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