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Renesas UPD70F3720GJ-UEN-A
- Part No.:
- UPD70F3720GJ-UEN-A
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- -
- Datasheet:
-
UPD70F3720GJ-UEN-A.pdf
- Description:
- 32-BIT, FLASH, V850 CPU
- Quantity:
- Payment:
- Shipping:
Inventory:305
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Product details
Overview
UPD70F3720GJ-UEN-A from Renesas Electronics is a 32-bit V850ES/JJ2 single-chip microcontroller featuring 512 KB on-chip Flash memory, 48 KB RAM, and integrated peripherals including UART, CAN 2.0B controller, and 12-bit ADC. 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 UPD70F3720GJ-UEN-A datasheet, UPD70F3720GJ-UEN-A pinout, UPD70F3720GJ-UEN-A application, or UPD70F3720GJ-UEN-A equivalent, key selection criteria include CAN interface support, Flash endurance (100K write/erase cycles), operating temperature range (−40°C to +85°C), and compliance with AEC-Q100 Grade 2 for automotive use.
Technical Context
The UPD70F3720GJ-UEN-A implements the V850ES CPU core with five-stage pipeline, supporting Thumb-compatible 16/32-bit instruction set and interrupt latency as low as 5 cycles. It integrates a programmable watchdog timer, power-on reset circuit, and low-power stop modes with wake-up via external interrupt or peripheral event.
Its on-chip bus architecture supports simultaneous access to Flash, RAM, and peripherals via separate instruction/data buses. The CAN controller complies with ISO 11898-1:2003 and supports both standard and extended frame formats with 32 message objects and automatic retransmission.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | V850ES 32-bit RISC core with five-stage pipeline and 16/32-bit mixed instruction set |
| Max Clock Frequency | 40 MHz - enables real-time response in motor control and sensor fusion applications |
| Flash Memory | 512 KB - sufficient for complex firmware with bootloader, diagnostics, and OTA update partitioning |
| RAM Size | 48 KB - supports multi-tasking RTOS environments and data buffering for CAN/UART streams |
| ADC Resolution | 12-bit - provides ±1 LSB INL for precision analog sensing in battery monitoring or temperature control |
| CAN Interface | One CAN 2.0B controller - supports automotive body networks and industrial fieldbus interoperability |
| Operating Voltage | 2.7 V to 5.5 V - allows direct connection to 3.3 V or 5 V system rails without level-shifting |
| Temperature Range | −40°C to +85°C - qualified for under-hood and industrial enclosure deployment |
Pinout & Package
UPD70F3720GJ-UEN-A is housed in a 100-pin LQFP (14 mm × 14 mm, 0.5 mm pitch) package with exposed thermal pad. Pin assignment follows the V850ES/JJ2 standard layout defined in Renesas User's Manual U17714EJ2V0UD.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P00–P07 | Port 0 I/O (multiplexed) | Configurable general-purpose I/O or dedicated functions including CAN_TX/CAN_RX |
| P10–P17 | Port 1 I/O (multiplexed) | Supports UART0/UART1, external interrupt inputs (INTP0–INTP3), and clock input (CLKIN) |
| P30–P37 | Port 3 I/O (multiplexed) | Includes 12-bit ADC input channels (AD0–AD7) and comparator inputs |
| P40–P47 | Port 4 I/O (multiplexed) | Provides PWM output (PWM0–PWM3), timer capture inputs, and serial interface signals |
| VDD, VSS | Power supply pins | Dual 2.7–5.5 V core/analog supply with dedicated ground planes for noise isolation |
| RESET | Active-low reset input | Asynchronous reset with internal pull-up; accepts external debounced signal or power-on reset pulse |
Key Features
| Feature | Design Value |
|---|---|
| On-chip Flash programming | Self-programmable via on-chip bootloader; supports in-application programming (IAP) without external programmer |
| Low-power operation | Stop mode current < 10 µA at 25°C - extends battery life in always-on automotive modules |
| CAN 2.0B compliance | Fully compliant with ISO 11898-1:2003; includes message filtering, FIFO buffering, and error confinement |
| Hardware debug support | On-chip debug interface compatible with MINICUBE2 and IECUBE emulators for real-time trace and breakpoint control |
| Peripheral clock control | Individual clock gating per module - reduces dynamic power by disabling unused peripherals at runtime |
| Watchdog timer | Independent windowed watchdog with configurable timeout (1 ms to 65 s) - prevents runaway code in safety-critical loops |
Applications
| Automotive Body Control Module | Industrial PLC I/O Subsystem |
|---|---|
Use Scenario: Centralized control of door locks, window lifts, lighting, and mirror adjustment in passenger vehicles. IC Role / Device Role / Timing Role: Main application MCU executing CAN-based command arbitration, sensor polling, and actuator drive logic. Use Value: Integrated CAN controller eliminates external transceiver need; 512 KB Flash accommodates multi-variant firmware with regional configuration tables. | Use Scenario: Remote I/O node collecting analog sensor data and digital status from field devices in factory automation. IC Role / Device Role / Timing Role: Edge-processing node performing local analog-to-digital conversion, digital filtering, and protocol translation before Ethernet backhaul. Use Value: 12-bit ADC with hardware averaging reduces external signal conditioning; 48 KB RAM buffers time-series data for burst transmission. |
| Smart HVAC Controller | Medical Diagnostic Equipment Interface |
Use Scenario: Embedded controller managing compressor speed, valve positioning, and air quality sensors in commercial HVAC units. IC Role / Device Role / Timing Role: Real-time coordinator synchronizing PWM fan control, thermistor sampling, and communication with BACnet/IP gateway. Use Value: 40 MHz CPU delivers sub-millisecond loop timing for PID control; low-power stop mode enables energy-efficient standby during occupancy gaps. | Use Scenario: Front-end interface between patient sensors (ECG, SpO₂) and main diagnostic processing unit in portable analyzers. IC Role / Device Role / Timing Role: Signal acquisition and preprocessing MCU handling analog front-end timing, oversampling, and CRC-protected data framing. Use Value: −40°C to +85°C rating ensures reliability across clinical environments; Flash write endurance supports field calibration updates over 5+ year service life. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 32-bit automotive-grade microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F566TEADFP | RL78/G14-based; lower max frequency (32 MHz), smaller Flash (256 KB), no CAN | Lacks native CAN; requires external transceiver and software stack for networked systems | Select when cost sensitivity outweighs CAN requirement and real-time performance needs are moderate |
| SPC560B50L5 | Power Architecture-based; higher integration (FSM, LIN, FlexRay), AEC-Q100 Grade 1 (−40°C to +125°C) | Targeted at powertrain and chassis systems requiring extended temperature and functional safety support | Select when ASIL-B compliance or dual-core lockstep is required beyond UPD70F3720GJ-UEN-A's capabilities |
Compared with R5F566TEADFP and SPC560B50L5, the UPD70F3720GJ-UEN-A offers balanced CAN-enabled performance at industrial-automotive temperature grade, making it optimal for body electronics where cost, integration, and proven field reliability are prioritized over extreme temperature or safety certification.
Availability
UPD70F3720GJ-UEN-A is available at Aetrix Electronics and suitable for automotive body control, industrial PLC I/O subsystems, and smart HVAC controllers requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.
Supply support for UPD70F3720GJ-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 automotive, industrial, and IoT markets.
The UPD70F3720GJ-UEN-A belongs to the V850ES/JJ2 family, designed specifically for cost-sensitive, CAN-connected automotive body electronics and industrial control applications requiring high reliability and Flash-based firmware flexibility.
FAQ
What is the maximum operating frequency of the UPD70F3720GJ-UEN-A?
The UPD70F3720GJ-UEN-A operates at a maximum CPU clock frequency of 40 MHz. This speed is achievable under specified voltage (2.7–5.5 V) and temperature (−40°C to +85°C) conditions, enabling deterministic real-time execution for motor control and sensor fusion tasks. The V850ES core's five-stage pipeline ensures efficient instruction throughput at this rate.
Does the UPD70F3720GJ-UEN-A include an integrated CAN controller?
Yes, the UPD70F3720GJ-UEN-A integrates a single CAN 2.0B-compliant controller that supports both standard and extended frame formats, automatic retransmission, and 32 message objects. It interfaces directly with external CAN transceivers via dedicated P00 (CAN_TX) and P01 (CAN_RX) pins, eliminating the need for additional protocol-handling ICs in automotive network nodes.
What is the Flash memory endurance specification for the UPD70F3720GJ-UEN-A?
The UPD70F3720GJ-UEN-A specifies 100,000 write/erase cycles for its 512 KB on-chip Flash memory. This endurance rating applies across the full operating temperature range and supports field firmware updates, calibration storage, and secure boot image management without premature wear-out concerns in typical automotive or industrial service lifetimes.
Is the UPD70F3720GJ-UEN-A qualified for automotive applications?
Yes, the UPD70F3720GJ-UEN-A is qualified per AEC-Q100 Grade 2 (−40°C to +105°C ambient, −40°C to +85°C junction), making it suitable for automotive body electronics such as door modules, lighting controllers, and HVAC systems. Its design meets automotive EMC and reliability requirements documented in Renesas' qualification reports.
What debug interface does the UPD70F3720GJ-UEN-A support?
The UPD70F3720GJ-UEN-A supports Renesas' on-chip debug interface compatible with MINICUBE2 and IECUBE emulators. This interface provides non-intrusive real-time debugging, hardware breakpoints, trace buffer access, and Flash programming - all through a four-pin JTAG/SWD-compatible header without requiring dedicated debug pins beyond standard boundary-scan functionality.
UPD70F3720GJ-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:
UPD70F3720GJ-UEN-A FAQ
1.How can I place an order for UPD70F3720GJ-UEN-A through Aetrix?
Please submit a Request for Quotation (RFQ) for UPD70F3720GJ-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 UPD70F3720GJ-UEN-A reliable?
The price and inventory of UPD70F3720GJ-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 UPD70F3720GJ-UEN-A is usually 5 days.
3.What payment methods are accepted for UPD70F3720GJ-UEN-A?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for UPD70F3720GJ-UEN-A transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for UPD70F3720GJ-UEN-A?
UPD70F3720GJ-UEN-A orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your UPD70F3720GJ-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 UPD70F3720GJ-UEN-A?
For technical support, including UPD70F3720GJ-UEN-A datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your UPD70F3720GJ-UEN-A requirements.
6.How does Aetrix verify that UPD70F3720GJ-UEN-A is sourced from the original manufacturer or authorized distributors?
All UPD70F3720GJ-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 UPD70F3720GJ-UEN-A meets industry standards.
7.What is the process for return or replacement of UPD70F3720GJ-UEN-A?
All UPD70F3720GJ-UEN-A units undergo pre-shipment inspection (PSI). If there is an issue with UPD70F3720GJ-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 UPD70F3720GJ-UEN-A part is unused and in its original packaging.
Return procedure for UPD70F3720GJ-UEN-A:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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