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Renesas UPD70F3711GJ-UEN-A
- Part No.:
- UPD70F3711GJ-UEN-A
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- -
- Datasheet:
-
UPD70F3711GJ-UEN-A.pdf
- Description:
- 32-BIT, FLASH, V850 CPU
- Quantity:
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Product details
Overview
UPD70F3711GJ-UEN-A from Renesas Electronics is a 32-bit V850ES/HJ2 single-chip microcontroller featuring 512 KB on-chip flash memory, 48 KB RAM, and integrated peripherals including UART, I²C, CAN 2.0B controller, and 12-bit ADC with 16 channels. It operates at up to 32 MHz and supports industrial temperature range (−40°C to +85°C) in a 144-pin LQFP package. It is used in motor control systems requiring real-time deterministic response and embedded safety monitoring.
For engineers reviewing the UPD70F3711GJ-UEN-A datasheet, UPD70F3711GJ-UEN-A pinout, UPD70F3711GJ-UEN-A application, or UPD70F3711GJ-UEN-A equivalent, key selection considerations include its V850ES CPU core compliance, CAN 2.0B interface timing, flash endurance (10,000 write/erase cycles), and support for on-chip debug via JTAG and MINICUBE2.
Technical Context
The UPD70F3711GJ-UEN-A implements the V850ES/HJ2 architecture with a 5-stage pipeline, supporting both little-endian and big-endian data access modes. It integrates a programmable watchdog timer, 16-bit multifunction timers (including PWM output), and an interrupt controller with 128 vector entries.
Its bus control unit enables flexible external memory expansion with configurable wait-state insertion and address space partitioning across ROM, RAM, and peripheral regions. The on-chip CAN controller supports full CAN 2.0B protocol compliance with message object buffers and automatic retransmission.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | V850ES 32-bit RISC core with 5-stage pipeline and 32-bit ALU |
| Max Clock Frequency | 32 MHz - determines real-time instruction throughput and peripheral timing resolution |
| Flash Memory | 512 KB - supports firmware storage, field updates, and bootloader implementation |
| RAM Size | 48 KB - sufficient for stack, heap, and real-time data buffering in motor control loops |
| ADC Resolution | 12-bit - provides ±1 LSB INL for precise current/voltage sensing in closed-loop drives |
| CAN Interface | CAN 2.0B compliant - enables robust communication in automotive body electronics and industrial networks |
| Operating Temperature | −40°C to +85°C - qualified for industrial-grade deployment without derating |
| Package | 144-pin LQFP (20 × 20 mm, 0.5 mm pitch) - compatible with standard SMT assembly and thermal management |
Pinout & Package
The UPD70F3711GJ-UEN-A is housed in a 144-pin LQFP package with exposed thermal pad, rated for JEDEC MS-026D, and designed for surface-mount reflow assembly. Pin assignment follows the V850ES/HJ2 standard layout with dedicated power/ground pairs per quadrant and noise-suppressed I/O banks.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS (x12) | Power supply and ground | Dedicated analog/digital power domains with decoupling requirements per bank |
| RESET | Active-low reset input | Asynchronous reset with internal pull-up; requires external RC or supervisor IC for reliable power-on sequencing |
| CLKIN / CLKOUT | External clock input / oscillator output | Supports crystal (1–20 MHz) or external clock source; CLKOUT enables clock distribution to peripherals |
| TXD0 / RXD0 | UART0 serial transmit/receive | Full-duplex asynchronous communication with programmable baud rate generator |
| CANTX / CANRX | CAN controller differential signal pair | Direct connection to external CAN transceiver (e.g., TJA1040); no internal termination |
| AD0–AD15 | Analog input channels | 16-channel 12-bit ADC inputs with selectable sampling time and scan mode |
| PORT0–PORT9, PORT12, PORTCD–PORTCT | General-purpose I/O ports | Configurable as input/output with pull-up/down, open-drain, or alternate function (e.g., PWM, capture) |
Key Features
| Feature | Design Value |
|---|---|
| On-chip Flash Programming | Self-programmable flash with sector erase (1 KB min) and background read capability during programming |
| Real-time Debug Support | JTAG interface compliant with IEEE 1149.1 and on-chip debug module supporting breakpoints, watchpoints, and trace |
| Multifunction Timer Unit | Four 16-bit timers with PWM generation, input capture, and output compare - suitable for motor phase control |
| Interrupt Latency | ≤ 5 cycles for highest-priority interrupts - ensures deterministic response in safety-critical timing windows |
| Low-power Modes | HALT, STOP, and IDLE modes with wake-up via external interrupt or peripheral event - reduces system standby power |
| Memory Protection Unit (MPU) | Configurable region-based access control for code/data protection in multi-tasking environments |
Applications
| Industrial Motor Control | Automotive Body Electronics |
|---|---|
Use Scenario: Closed-loop control of 3-phase BLDC motors in HVAC blowers and industrial pumps. IC Role / Device Role / Timing Role: Main controller executing FOC (Field-Oriented Control) algorithm, managing PWM timing, ADC sampling synchronization, and CAN status reporting. Use Value: Integrated 12-bit ADC with hardware-triggered sampling and 16-bit PWM timers enable sub-microsecond timing alignment critical for torque ripple reduction. | Use Scenario: Central body controller managing door locks, window lifts, mirror adjustment, and lighting functions. IC Role / Device Role / Timing Role: CAN node interfacing with vehicle network, coordinating actuator commands and sensor feedback with guaranteed message latency. Use Value: On-chip CAN 2.0B controller with 32 message objects and automatic retransmission ensures robust communication under EMI-prone automotive conditions. |
| Factory Automation I/O Module | Medical Diagnostic Equipment |
Use Scenario: Remote digital I/O expansion module with isolated inputs/outputs and Modbus RTU over RS-485. IC Role / Device Role / Timing Role: Protocol processor handling Modbus framing, CRC calculation, and UART-to-isolator interface timing. Use Value: Dual UARTs with independent baud rate generators allow simultaneous host communication and isolated fieldbus interface without software overhead. | Use Scenario: Embedded subsystem in ultrasound imaging equipment managing transducer array timing and data acquisition sequencing. IC Role / Device Role / Timing Role: Real-time sequencer triggering ADC sampling, DAC waveform generation, and DMA transfers between memory and peripheral units. Use Value: Deterministic interrupt latency (<5 cycles) and hardware-accelerated DMA enable precise microsecond-level timing for echo signal capture windows. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F57011ADFP#30 | RA6M1-series Arm® Cortex®-M4F core, 100 MHz, 1 MB flash, no native CAN but supports CAN FD via external transceiver + software stack | Higher performance, floating-point unit, and security features; lacks integrated CAN controller | Select when migrating to Arm ecosystem with need for crypto acceleration or future scalability beyond V850 legacy toolchain |
| UPD70F3712GJ-UEN-A | Pin-compatible variant with 768 KB flash and identical peripheral set; same package and electrical specs | Direct replacement where larger firmware image size is required without layout change | Select when firmware growth exceeds 512 KB but all other functional and timing requirements remain unchanged |
Compared with UPD70F3711GJ-UEN-A, the R5F57011ADFP#30 offers higher compute throughput and modern security features but requires CAN protocol stack integration, while UPD70F3712GJ-UEN-A provides seamless flash capacity upgrade with zero hardware modification.
Availability
UPD70F3711GJ-UEN-A is available at Aetrix Electronics and suitable for industrial motor control, automotive body electronics, and factory automation I/O modules requiring stable component supply, long-term lifecycle support, and RoHS-compliant packaging.
Supply support for UPD70F3711GJ-UEN-A 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 infrastructure markets.
The UPD70F3711GJ-UEN-A belongs to the V850ES/HJ2 microcontroller family, designed specifically for deterministic real-time control in resource-constrained embedded systems with stringent EMI and reliability requirements.
FAQ
What is the maximum operating frequency of the UPD70F3711GJ-UEN-A?
The UPD70F3711GJ-UEN-A operates at a maximum CPU clock frequency of 32 MHz. This frequency is achieved using an external crystal oscillator (1–20 MHz) multiplied by the on-chip PLL. At 32 MHz, the V850ES core delivers approximately 30 MIPS, enabling real-time execution of motor control algorithms and communication stacks. The UPD70F3711GJ-UEN-A datasheet specifies timing margins for all peripherals-including UART, CAN, and ADC-at this maximum speed.
Does the UPD70F3711GJ-UEN-A support in-system programming via its on-chip debug interface?
Yes, the UPD70F3711GJ-UEN-A supports in-system programming (ISP) through its JTAG interface using Renesas' MINICUBE2 or E2 emulator. The on-chip flash memory can be programmed, erased, and verified without removing the UPD70F3711GJ-UEN-A from the target board. ISP requires the device to be in debug mode with proper voltage and clock settings, and it supports sector erase (1 KB minimum) and byte/word programming as defined in the UPD70F3711GJ-UEN-A hardware manual.
What is the flash endurance specification for the UPD70F3711GJ-UEN-A?
The UPD70F3711GJ-UEN-A guarantees a minimum of 10,000 write/erase cycles for its on-chip flash memory across the full operating temperature range (−40°C to +85°C). This endurance rating applies to each flash sector independently and is validated per JEDEC JESD22-A117. Wear leveling must be implemented in firmware if frequent updates are required. The UPD70F3711GJ-UEN-A does not include hardware wear leveling, so application-level management is necessary for long-term reliability.
Can the UPD70F3711GJ-UEN-A operate without an external crystal?
Yes, the UPD70F3711GJ-UEN-A can operate using its internal high-speed RC oscillator (HOCO) at 8 MHz, which is factory-trimmed to ±2% accuracy. While this allows basic functionality without external components, the HOCO is not suitable for CAN or UART communication requiring tight baud rate tolerance. For such applications, the UPD70F3711GJ-UEN-A requires an external crystal (e.g., 8 MHz or 16 MHz) connected to CLKIN/CLKOUT pins to meet CAN timing specifications and UART error budgets.
Is the UPD70F3711GJ-UEN-A qualified for automotive applications?
The UPD70F3711GJ-UEN-A is classified as "Standard" quality grade per Renesas documentation and is intended for industrial applications such as motor control and factory automation. It is not AEC-Q100 qualified and lacks automotive-specific screening (e.g., extended temperature testing, HTOL, ESD enhancements). For automotive body electronics, Renesas recommends the pin-compatible R5F57011ADFP#30 or other RA6M1-series devices with formal AEC-Q100 Grade 2 qualification. The UPD70F3711GJ-UEN-A should not be used in safety-critical automotive systems without explicit Renesas approval.
UPD70F3711GJ-UEN-A Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- -
- Series:
- *
- Packaging:
- Bulk
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- -
- Core Size:
- -
- Speed:
- -
- Connectivity:
- -
- Peripherals:
- -
- Number of I/O:
- -
- Program Memory Size:
- -
- Program Memory Type:
- -
- EEPROM Size:
- -
- RAM Size:
- -
- Voltage - Supply (Vcc/Vdd):
- -
- Data Converters:
- -
- Oscillator Type:
- -
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- -
- Supplier Device Package:
UPD70F3711GJ-UEN-A FAQ
1.How can I place an order for UPD70F3711GJ-UEN-A through Aetrix?
Please submit a Request for Quotation (RFQ) for UPD70F3711GJ-UEN-A 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 UPD70F3711GJ-UEN-A reliable?
The price and inventory of UPD70F3711GJ-UEN-A are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for UPD70F3711GJ-UEN-A is usually 5 days.
3.What payment methods are accepted for UPD70F3711GJ-UEN-A?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for UPD70F3711GJ-UEN-A transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for UPD70F3711GJ-UEN-A?
UPD70F3711GJ-UEN-A orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your UPD70F3711GJ-UEN-A 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 UPD70F3711GJ-UEN-A?
For technical support, including UPD70F3711GJ-UEN-A datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your UPD70F3711GJ-UEN-A requirements.
6.How does Aetrix verify that UPD70F3711GJ-UEN-A is sourced from the original manufacturer or authorized distributors?
All UPD70F3711GJ-UEN-A 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 UPD70F3711GJ-UEN-A meets industry standards.
7.What is the process for return or replacement of UPD70F3711GJ-UEN-A?
All UPD70F3711GJ-UEN-A units undergo pre-shipment inspection (PSI). If there is an issue with UPD70F3711GJ-UEN-A, 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 UPD70F3711GJ-UEN-A part is unused and in its original packaging.
Return procedure for UPD70F3711GJ-UEN-A:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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