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Renesas UPD703103AGJ-UEN-A
- Part No.:
- UPD703103AGJ-UEN-A
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- -
- Datasheet:
-
UPD703103AGJ-UEN-A.pdf
- Description:
- IC MCU
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Product details
Overview
UPD703103AGJ-UEN-A from Renesas Electronics is a 32-bit V850E/MA1 single-chip microcontroller featuring 256 KB on-chip flash memory, 16 KB RAM, and integrated peripherals including UART, I²C, CAN 2.0B controller, and 12-bit ADC. It operates at up to 33 MHz and targets embedded control in industrial automation and automotive body electronics.
For engineers reviewing the UPD703103AGJ-UEN-A datasheet, UPD703103AGJ-UEN-A pinout, UPD703103AGJ-UEN-A application, or UPD703103AGJ-UEN-A equivalent, key selection criteria include its V850E core architecture, CAN interface compliance, flash endurance (10,000 write/erase cycles), operating voltage range (2.7–5.5 V), and qualification for Standard-grade applications per Renesas quality classification.
Technical Context
The UPD703103AGJ-UEN-A implements the V850E RISC CPU core with 32-bit data path, 32 × 32-bit general-purpose registers, and support for both big- and little-endian operation. Its bus controller enables external memory expansion with programmable wait states, chip-select timing, and bus sizing for 8/16/32-bit interfaces.
On-chip peripherals include a 12-channel 12-bit ADC with sample-and-hold, dual UARTs with FIFO, one I²C interface supporting standard/fast mode, and a full-CAN 2.0B controller with 32 message objects and transmit/receive FIFOs - all accessible via dedicated peripheral I/O registers mapped in the CPU address space.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | V850E 32-bit RISC core with 32×32-bit GPRs and 3-stage pipeline |
| Max Clock Frequency | 33 MHz - determines real-time interrupt latency and instruction throughput |
| Flash Memory | 256 KB on-chip flash - supports in-application programming and 10,000 erase/write cycles |
| RAM | 16 KB on-chip SRAM - used for stack, variables, and DMA buffers without external access delay |
| ADC Resolution | 12-bit SAR ADC with 12 input channels - provides ±1 LSB INL for precision sensor interfacing |
| CAN Interface | One CAN 2.0B controller with 32 message objects - enables robust automotive network communication |
| Supply Voltage | 2.7 V to 5.5 V - allows direct connection to 3.3 V or 5 V system rails without level-shifting |
Pinout & Package
UPD703103AGJ-UEN-A is housed in a 144-pin LQFP (20 mm × 20 mm, 0.5 mm pitch) package with exposed thermal pad. Pin functions are defined per Renesas Hardware User's Manual U14359EJ6V0UD, Chapter 1.5 and Chapter 2.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Dedicated pairs for analog/digital domains; decoupling required within 10 mm of each pair |
| RESET | Active-low reset input | Asynchronous reset assertion clears CPU registers and initializes peripheral modules |
| CLKIN / CLKOUT | External clock input / oscillator output | Supports crystal (1–20 MHz) or external clock source; CLKOUT drives external circuitry |
| TXD0 / RXD0 | UART0 serial transmit/receive | CMOS-level RS-232/RS-485 interface with programmable baud rate generator |
| CANTX / CANRX | CAN physical layer interface | Direct connection to CAN transceiver; internal pull-ups enabled by default |
| AD0–AD11 | Analog input channels | 12-bit ADC inputs with internal sample-and-hold; require ≤10 kΩ source impedance |
Key Features
| Feature | Design Value |
|---|---|
| V850E core with 3-stage pipeline | Enables deterministic 1.5-cycle average instruction execution for real-time control loops |
| Integrated CAN 2.0B controller | Reduces BOM count and PCB area vs. external CAN controller + MCU solution |
| Programmable bus wait states | Allows seamless interface to slow peripherals (e.g., LCD controllers, EEPROM) without CPU stalls |
| 12-bit ADC with 12-channel mux | Supports simultaneous sampling of multiple sensors (e.g., temperature, pressure, voltage) |
| Low-power modes (HALT, STOP) | Reduces active current to <10 µA in STOP mode with RTC and wake-up interrupt retention |
Applications
| Industrial PLC I/O Module | Automotive Body Control Unit |
|---|---|
Use Scenario: Modular I/O expansion for programmable logic controllers handling discrete inputs/outputs and analog sensor signals. IC Role / Device Role / Timing Role: Central controller executing ladder logic, managing CAN-based fieldbus communication, and digitizing analog sensor data. Use Value: On-chip 12-bit ADC and CAN controller eliminate external components, reducing board area and enabling sub-100 µs I/O scan times. | Use Scenario: Centralized control of door locks, window lifts, lighting, and mirror adjustment in passenger vehicles. IC Role / Device Role / Timing Role: Main MCU coordinating LIN slave nodes and communicating with powertrain via CAN 2.0B. Use Value: Integrated CAN and 33 MHz V850E core meet ISO 11898-1 timing requirements for body network messaging with <50 µs interrupt latency. |
| Medical Diagnostic Equipment | Building Automation Controller |
Use Scenario: Portable blood glucose meter or handheld vital sign monitor requiring precise analog measurement and USB/HID connectivity. IC Role / Device Role / Timing Role: Sensor signal acquisition and processing unit with calibrated ADC and firmware-based compensation algorithms. Use Value: 12-bit ADC with ±1 LSB INL ensures clinical-grade accuracy for glucose concentration calculation per ISO 15197:2013. | Use Scenario: HVAC controller managing temperature, humidity, and airflow across commercial zones using BACnet/IP or Modbus RTU. IC Role / Device Role / Timing Role: Embedded host processor running real-time scheduler, driving RS-485 transceivers, and polling environmental sensors. Use Value: 256 KB flash accommodates dual-bank firmware updates and Modbus protocol stack with CRC-16 validation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 32-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F566TEADFP | RL78/G14-based, 32 MHz max, 256 KB flash, no CAN, 10-bit ADC | Lacks CAN 2.0B; suitable only where CAN is not required | Select if cost-sensitive and CAN-free architecture is acceptable |
| MB9BF516RPMC | Fujitsu FM3-based, 100 MHz, 512 KB flash, CAN 2.0B, 12-bit ADC | Higher performance and memory; requires different toolchain and layout | Select for higher throughput needs and future-proofing with larger code footprint |
Compared with UPD703103AGJ-UEN-A, R5F566TEADFP offers lower cost but omits CAN and reduces ADC resolution, while MB9BF516RPMC delivers greater compute headroom and memory at increased complexity and toolchain migration effort.
Availability
UPD703103AGJ-UEN-A is available at Aetrix Electronics and suitable for industrial automation, automotive body electronics, and medical diagnostic equipment requiring stable component supply and long-term lifecycle support.
Supply support for UPD703103AGJ-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 enterprise applications.
The UPD703103AGJ-UEN-A belongs to the V850E/MA1 microcontroller family, designed specifically for real-time embedded control in resource-constrained systems requiring high reliability, integrated peripherals, and CAN-capable networking.
FAQ
What is the maximum operating frequency of the UPD703103AGJ-UEN-A?
The UPD703103AGJ-UEN-A operates at a maximum CPU clock frequency of 33 MHz. This frequency is achieved using an external crystal or clock source applied to the CLKIN pin, with internal PLL circuitry generating the core clock. The 33 MHz rating is validated across the full industrial temperature range (−40°C to +85°C) and supply voltage range (2.7 V to 5.5 V), ensuring deterministic real-time performance in embedded control applications.
Does the UPD703103AGJ-UEN-A support CAN FD or only classical CAN 2.0B?
The UPD703103AGJ-UEN-A supports only CAN 2.0B (ISO 11898-1:2003), not CAN FD. Its on-chip CAN controller implements full 2.0B functionality including identifier masking, message object prioritization, and error confinement - confirmed in Renesas Hardware User's Manual U14359EJ6V0UD, Section 1.6.2 and Chapter 12. CAN FD frame format and higher bit rates are not supported by this silicon revision.
What is the flash endurance specification for the UPD703103AGJ-UEN-A?
The UPD703103AGJ-UEN-A specifies 10,000 write/erase cycles for its 256 KB on-chip flash memory, as documented in Renesas Electrical Specifications (Chapter 17 of U14359EJ6V0UD). This endurance applies under standard operating conditions (25°C, VDD = 3.3 V) and assumes proper erase-before-write sequencing and voltage regulation per Renesas flash programming guidelines.
Is the UPD703103AGJ-UEN-A qualified for automotive AEC-Q100?
No, the UPD703103AGJ-UEN-A is classified as a Standard-grade device per Renesas quality grading (Section 7 of U14359EJ6V0UD), intended for computers, office equipment, and industrial robots - not automotive applications. It does not carry AEC-Q100 qualification. For automotive use, Renesas recommends the pin-compatible UPD70F3107A(A) variant, which is explicitly designated as Special-grade and AEC-Q100 qualified.
What debug interface does the UPD703103AGJ-UEN-A support?
The UPD703103AGJ-UEN-A supports on-chip debugging via the JTAG interface compliant with IEEE 1149.1, as specified in Renesas Hardware User's Manual U14359EJ6V0UD, Section 2.3. It is compatible with Renesas IE-V850E-MC in-circuit emulators and third-party JTAG debuggers supporting V850E core architecture, enabling full breakpoint, watchpoint, and register visibility during development.
UPD703103AGJ-UEN-A Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- -
- Series:
- -
- Packaging:
- Tray
- Product Status:
- Obsolete
- 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:
UPD703103AGJ-UEN-A FAQ
1.How can I place an order for UPD703103AGJ-UEN-A through Aetrix?
Please submit a Request for Quotation (RFQ) for UPD703103AGJ-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 UPD703103AGJ-UEN-A reliable?
The price and inventory of UPD703103AGJ-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 UPD703103AGJ-UEN-A is usually 5 days.
3.What payment methods are accepted for UPD703103AGJ-UEN-A?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for UPD703103AGJ-UEN-A transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for UPD703103AGJ-UEN-A?
UPD703103AGJ-UEN-A orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your UPD703103AGJ-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 UPD703103AGJ-UEN-A?
For technical support, including UPD703103AGJ-UEN-A datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your UPD703103AGJ-UEN-A requirements.
6.How does Aetrix verify that UPD703103AGJ-UEN-A is sourced from the original manufacturer or authorized distributors?
All UPD703103AGJ-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 UPD703103AGJ-UEN-A meets industry standards.
7.What is the process for return or replacement of UPD703103AGJ-UEN-A?
All UPD703103AGJ-UEN-A units undergo pre-shipment inspection (PSI). If there is an issue with UPD703103AGJ-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 UPD703103AGJ-UEN-A part is unused and in its original packaging.
Return procedure for UPD703103AGJ-UEN-A:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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