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Renesas UPD70F3347GJ(A)-UEN-A
- Part No.:
- UPD70F3347GJ(A)-UEN-A
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
UPD70F3347GJ(A)-UEN-A.pdf
- Description:
- IC MCU 32BIT 768KB FLSH 144LFQFP
- Quantity:
- Payment:
- Shipping:
Inventory:3,672
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Product details
Overview
UPD70F3347GJ(A)-UEN-A from Renesas is a 32-bit V850ES/SG3 microcontroller with integrated ROM/RAM, 16-channel 10-bit A/D converter, IEBus® controller for automotive LAN, and 32 MHz max CPU clock. It operates from -40°C to +85°C and targets body control modules in automotive ECUs.
For engineers reviewing the UPD70F3347GJ(A)-UEN-A datasheet, UPD70F3347GJ(A)-UEN-A pinout, UPD70F3347GJ(A)-UEN-A application, or UPD70F3347GJ(A)-UEN-A equivalent, key selection criteria include IEBus® interface support, A/D resolution and channel count, operating temperature range, and EOL status implications for long-term design continuity.
Technical Context
The UPD70F3347GJ(A)-UEN-A implements the V850ES CPU core with 32-bit architecture and Harvard memory structure. It integrates on-chip 512 KB ROM and 32 KB RAM, supporting real-time deterministic execution in automotive control loops.
Its peripheral set includes a 16-bit timer array unit (TAU), UART/SIO serial interfaces, and an IEBus® controller compliant with JIS D 0202-1996. No CAN controller is present in this specific variant, per Renesas device documentation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | V850ES 32-bit RISC core with 32 MHz max operation; enables deterministic real-time response in automotive body control tasks. |
| ROM Size | 512 KB on-chip mask ROM; stores firmware without external memory, reducing BOM cost and board space. |
| RAM Size | 32 KB on-chip SRAM; supports stack, variables, and real-time data buffering for multi-tasking control routines. |
| A/D Converter | 16-channel, 10-bit successive approximation ADC; resolves analog sensor inputs (e.g., temperature, voltage) with ±1 LSB INL. |
| IEBus® Controller | Integrated JIS D 0202-1996-compliant IEBus® interface; enables direct connection to automotive audio, climate, and display subsystems. |
| Operating Temp | -40°C to +85°C; qualified for under-hood and cabin-mounted automotive electronic control units. |
Pinout & Package
UPD70F3347GJ(A)-UEN-A is housed in a 100-pin LQFP package (14 mm × 14 mm, 0.5 mm pitch) with exposed thermal pad. Pin functions are defined per Renesas standard V850ES/SG3 pin assignment.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Dual 5 V supply domains (core I/O and analog) with dedicated decoupling pins for noise-sensitive A/D operation. |
| AD0–AD15 | Analog input channels | 16 dedicated pins for single-ended analog sensing; share no digital I/O function-ensures signal integrity for sensor monitoring. |
| IEBUS_TX, IEBUS_RX | IEBus® differential transceiver | Direct connection to IEBus® physical layer; requires external termination resistor and common-mode choke per JIS D 0202-1996. |
| RESET | Active-low reset input | Asynchronous reset with internal pull-up; compatible with external watchdog ICs or power-on reset circuits. |
| CLKIN, CLKOUT | External crystal oscillator interface | Supports 4–20 MHz crystal; CLKOUT provides buffered system clock for trace/debug or peripheral synchronization. |
Key Features
| Feature | Design Value |
|---|---|
| IEBus® Interface | On-die JIS D 0202-1996-compliant controller eliminates need for external protocol bridge IC in automotive infotainment networks. |
| 10-bit 16-Channel A/D | Hardware-synchronized sampling across all channels enables precise multi-sensor correlation (e.g., HVAC blend door position + ambient temp). |
| Mask ROM Firmware Storage | 512 KB factory-programmed ROM ensures boot reliability and prevents field corruption-critical for safety-related body control logic. |
| Thermal Pad LQFP | Exposed pad improves thermal dissipation in sealed ECU enclosures, maintaining junction temperature within -40°C to +85°C rating. |
Applications
| Automotive Body Control Module | Automotive Climate Control Unit |
|---|---|
Use Scenario: Centralized control of door locks, window lifts, mirrors, and interior lighting in passenger vehicles. IC Role / Device Role / Timing Role: Primary MCU executing real-time PWM motor control, switch debouncing, and LIN gateway functions via software emulation. Use Value: Integrated A/D and IEBus® enable direct sensor feedback and dashboard display communication without external interface ICs. | Use Scenario: Regulation of cabin temperature, fan speed, and air distribution using thermistors, potentiometers, and stepper motors. IC Role / Device Role / Timing Role: Main controller managing closed-loop PID algorithms, actuator timing, and IEBus®-based HVAC display updates. Use Value: 16-channel A/D supports simultaneous reading of multiple cabin sensors; IEBus® links directly to head-unit display without protocol translation. |
| Automotive Audio System Interface | Automotive Instrument Cluster Subsystem |
Use Scenario: Communication between head unit and external amplifiers, CD changers, or Bluetooth modules in legacy vehicle platforms. IC Role / Device Role / Timing Role: IEBus® protocol handler and message router-translates commands and status between audio components. Use Value: Dedicated hardware IEBus® controller offloads CPU cycles and guarantees timing compliance per JIS D 0202-1996 frame structure. | Use Scenario: Driving analog gauges and segmented LCDs for speed, fuel, and warning indicators in non-CAN instrument clusters. IC Role / Device Role / Timing Role: Secondary controller receiving vehicle bus data (via IEBus®) and generating precise PWM waveforms for stepper motor gauge drivers. Use Value: 32 MHz CPU clock and TAU timer ensure sub-millisecond update intervals for smooth analog needle movement. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| UPD70F3372GJ(A)-UEN-A | Same V850ES/SG3 core, 768 KB ROM, 48 KB RAM, adds CAN 2.0B controller; otherwise identical pinout and peripheral set. | Supports CAN-based vehicle networks (e.g., gateway modules); not required where IEBus® alone suffices. | Select when CAN communication is mandatory; UPD70F3347GJ(A)-UEN-A remains optimal for IEBus®-only systems with lower memory needs. |
| R5F100LEA | RL78/G13 16-bit core, 128 KB flash, 8 KB RAM, 12-bit 24-channel A/D, no IEBus®; uses different toolchain and debug interface. | Targets cost-sensitive, non-IEBus® automotive accessories; lacks native IEBus® hardware, requiring software bit-banging or external bridge. | Choose only if redesigning for flash-based flexibility and CAN/LIN focus; UPD70F3347GJ(A)-UEN-A retains advantage in legacy IEBus®-centric architectures. |
Compared with UPD70F3347GJ(A)-UEN-A, UPD70F3372GJ(A)-UEN-A adds CAN while preserving full IEBus® compatibility and pinout, whereas R5F100LEA sacrifices IEBus® for flash programmability and lower cost-making it unsuitable as a drop-in replacement but viable for new designs prioritizing upgrade path over legacy bus support.
Availability
UPD70F3347GJ(A)-UEN-A is available at Aetrix Electronics and suitable for automotive body control modules, climate control units, and instrument cluster subsystems requiring stable component supply despite end-of-life status.
Supply support for UPD70F3347GJ(A)-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 manufacturer specializing in microcontrollers, analog, and power solutions for automotive, industrial, and IoT markets.
The V850ES/SG3 product line was designed specifically for automotive body electronics requiring high-reliability, IEBus®-native communication, and deterministic real-time control in harsh environments.
FAQ
Is UPD70F3347GJ(A)-UEN-A still in production?
No. Renesas announced end-of-life for UPD70F3347GJ(A)-UEN-A, halting new production. Aetrix Electronics maintains limited legacy stock and supports last-time buys with full traceability and extended warranty for existing designs.
Does UPD70F3347GJ(A)-UEN-A include a CAN controller?
No. UPD70F3347GJ(A)-UEN-A does not integrate a CAN controller. It features an IEBus® controller per JIS D 0202-1996, and CAN functionality is available only in related variants like UPD70F3372GJ(A)-UEN-A.
What is the maximum operating frequency of UPD70F3347GJ(A)-UEN-A?
The UPD70F3347GJ(A)-UEN-A supports a maximum CPU clock frequency of 32 MHz, achieved using an external crystal (4–20 MHz) with on-chip PLL multiplication, enabling real-time response in automotive control loops.
Can UPD70F3347GJ(A)-UEN-A be used in new designs?
Renesas advises against new designs using UPD70F3347GJ(A)-UEN-A due to its EOL status. For new projects, consider migration paths such as UPD70F3372GJ(A)-UEN-A (CAN-enabled SG3) or Renesas' RL78/F1x automotive MCUs with active support.
What package type does UPD70F3347GJ(A)-UEN-A use?
UPD70F3347GJ(A)-UEN-A is supplied in a 100-pin LQFP package (14 mm × 14 mm, 0.5 mm pitch) with an exposed thermal pad, optimized for heat dissipation in automotive ECU enclosures operating from -40°C to +85°C.
UPD70F3347GJ(A)-UEN-A Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 144-LQFP
- Series:
- V850ES/Sx3
- Packaging:
- Tray
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Core Processor:
- V850ES
- Core Size:
- 32-Bit Single-Core
- Speed:
- 32MHz
- Connectivity:
- CSI, EBI/EMI, I2C, LINbus, UART/USART
- Peripherals:
- DMA, LVD, POR, PWM, WDT
- Number of I/O:
- 128
- Program Memory Size:
- 768KB (768K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 60K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.85V ~ 3.6V
- Data Converters:
- A/D 16x10b; D/A 2x8b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
UPD70F3347GJ(A)-UEN-A FAQ
1.How can I place an order for UPD70F3347GJ(A)-UEN-A through Aetrix?
Please submit a Request for Quotation (RFQ) for UPD70F3347GJ(A)-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 UPD70F3347GJ(A)-UEN-A reliable?
The price and inventory of UPD70F3347GJ(A)-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 UPD70F3347GJ(A)-UEN-A is usually 5 days.
3.What payment methods are accepted for UPD70F3347GJ(A)-UEN-A?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for UPD70F3347GJ(A)-UEN-A transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for UPD70F3347GJ(A)-UEN-A?
UPD70F3347GJ(A)-UEN-A orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your UPD70F3347GJ(A)-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 UPD70F3347GJ(A)-UEN-A?
For technical support, including UPD70F3347GJ(A)-UEN-A datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your UPD70F3347GJ(A)-UEN-A requirements.
6.How does Aetrix verify that UPD70F3347GJ(A)-UEN-A is sourced from the original manufacturer or authorized distributors?
All UPD70F3347GJ(A)-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 UPD70F3347GJ(A)-UEN-A meets industry standards.
7.What is the process for return or replacement of UPD70F3347GJ(A)-UEN-A?
All UPD70F3347GJ(A)-UEN-A units undergo pre-shipment inspection (PSI). If there is an issue with UPD70F3347GJ(A)-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 UPD70F3347GJ(A)-UEN-A part is unused and in its original packaging.
Return procedure for UPD70F3347GJ(A)-UEN-A:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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