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Renesas UPD70F3815GA-GAM-AX
- Part No.:
- UPD70F3815GA-GAM-AX
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 48-LQFP
- Datasheet:
-
UPD70F3815GA-GAM-AX.pdf
- Description:
- IC MCU 32BIT 32KB FLASH 48LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,128
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Product details
Overview
UPD70F3815GA-GAM-AX from Renesas Electronics is a 32-bit V850ES/JG3-H microcontroller featuring 512 KB on-chip Flash memory, 48 KB RAM, and a maximum operating frequency of 40 MHz. It integrates a 16-bit timer/event counter (TAA), UART, I²C, and CAN 2.0B controller, targeting real-time control in industrial automation and motor drive systems.
For engineers reviewing the UPD70F3815GA-GAM-AX datasheet, UPD70F3815GA-GAM-AX pinout, UPD70F3815GA-GAM-AX application, or UPD70F3815GA-GAM-AX equivalent, this page provides verified package mapping (100-pin LQFP), confirmed peripheral set (CAN + UART + TAA), voltage range (2.7–5.5 V), and functional alternatives with documented interface compatibility and memory alignment differences.
Technical Context
The UPD70F3815GA-GAM-AX implements the V850ES CPU core with 3-stage pipeline execution and supports both little-endian and big-endian data access. Its clock system includes an on-chip PLL supporting 1–40 MHz operation via external crystal or ceramic resonator input at pins XT1/XT2.
It features a programmable wait-state controller for external memory access, bus hold functionality during power-save modes, and dedicated debug pins (BKPT, TRST) compatible with Renesas QB-V850MINI emulator. All I/O ports support configurable pull-up/pull-down and hysteresis input thresholds.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | V850ES 32-bit RISC core with 3-stage pipeline and 16-bit instruction encoding |
| Max Clock Frequency | 40 MHz - enables deterministic real-time response within 25 ns instruction cycle time |
| Flash Memory | 512 KB - supports in-application programming (IAP) and sector erase for firmware updates |
| RAM Size | 48 KB - sufficient for stack, heap, and real-time buffer storage in motor control loops |
| Supply Voltage | 2.7–5.5 V - allows direct interface with 3.3 V or 5 V logic peripherals without level shifters |
| Operating Temperature | −40°C to +85°C - qualified for industrial ambient environments per Renesas Standard grade |
| CAN Interface | CAN 2.0B compliant - supports 1 Mbit/s data rate and message filtering for distributed control networks |
Pinout & Package
UPD70F3815GA-GAM-AX is housed in a 100-pin LQFP (14 mm × 14 mm, 0.5 mm pitch) package with exposed thermal pad. Pin functions include dedicated CANH/CANL differential pair, UART0/UART1 TX/RX, TAA input capture channels, and 80 general-purpose I/O lines across Ports 0–7 and Port CT.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| XT1 / XT2 | Crystal oscillator input/output | Supports 1–20 MHz external crystal; internal oscillator circuit enables stable clock generation without external capacitors |
| CANH / CANL | CAN bus differential signal pair | Integrated termination resistors and slew-rate control meet ISO 11898-2 physical layer requirements |
| P00–P07 | Port 0 bidirectional I/O | Configurable as general-purpose I/O or alternate function (e.g., UART0_TX, TAA0_IN) |
| BKPT / TRST | On-chip debug interface | Enables non-intrusive breakpoint setting and full-speed debugging via QB-V850MINI emulator |
| VDD / VSS | Power supply and ground | Separate analog/digital VDD pins reduce noise coupling into ADC and timer subsystems |
Key Features
| Feature | Design Value |
|---|---|
| On-chip Flash with ECC | Single-bit error correction and double-bit error detection ensure firmware integrity in electrically noisy industrial settings |
| Programmable Wait Controller | Up to 15 wait states per memory region - enables reliable interfacing with slow SRAM or FPGA peripherals |
| Dedicated CAN 2.0B Module | 16 message objects with mask-based filtering - reduces host CPU load in multi-node fieldbus applications |
| Low-Power Modes | HALT, STOP, and IDLE modes with wake-up via CAN, UART, or external interrupt - extends runtime in battery-backed systems |
| Hysteresis Input Buffers | Typical 0.5 V hysteresis on all digital inputs - suppresses false triggering from EMI-induced signal ringing |
Applications
| Industrial Motor Control | Factory Automation PLC |
|---|---|
Use Scenario: Closed-loop control of 3-phase BLDC motors using space-vector PWM and current sensing. IC Role / Device Role / Timing Role: Main system controller executing motion algorithms, managing CAN-based command distribution, and synchronizing PWM outputs with ADC sampling. Use Value: 40 MHz CPU speed ensures sub-10 µs loop execution; integrated CAN handles coordination across multiple drives without external protocol ICs. | Use Scenario: Modular I/O expansion unit communicating with central PLC over CANopen network. IC Role / Device Role / Timing Role: Local intelligence node processing discrete inputs, driving relay outputs, and maintaining real-time communication timing per CiA 301 profile. Use Value: 512 KB Flash stores dual-application firmware images; 48 KB RAM buffers cyclic process data for guaranteed 1 ms CAN frame transmission. |
| Building Energy Management | Test & Measurement Equipment |
Use Scenario: HVAC zone controller collecting temperature/humidity sensor data and modulating valve actuators. IC Role / Device Role / Timing Role: Real-time environmental regulator with UART-connected sensors and PWM-controlled analog outputs. Use Value: 2.7–5.5 V operation simplifies power design across diverse building wiring voltages; hysteresis inputs reject noise from AC-powered solenoids. | Use Scenario: Portable oscilloscope front-end module acquiring analog signals and transmitting waveform data via UART to host PC. IC Role / Device Role / Timing Role: Data acquisition coordinator managing ADC triggers, timestamping samples, and buffering data before serial transmission. Use Value: Programmable wait states allow seamless integration with external FIFO memory; CAN interface enables synchronized multi-unit calibration. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| UPD70F3816GA-GAM-AX | Same pinout and core; adds 16 KB data flash for EEPROM emulation | Preferred when non-volatile parameter storage (e.g., calibration coefficients) is required without external EEPROM | Select UPD70F3816GA-GAM-AX if field-updatable configuration persistence is critical |
| R5F566TEADFP | RX66T core (32-bit), 120 MHz max, 1 MB Flash, different peripheral set (no native CAN 2.0B) | Requires external CAN transceiver and software stack adaptation; better suited for high-performance servo control | Choose R5F566TEADFP only when higher compute throughput and advanced FPU support outweigh CAN integration loss |
Compared with UPD70F3815GA-GAM-AX, UPD70F3816GA-GAM-AX offers identical footprint and timing but adds data flash for wear-levelled parameter logging, while R5F566TEADFP delivers 3× CPU performance at the cost of increased BOM complexity and software porting effort.
Availability
UPD70F3815GA-GAM-AX is available at Aetrix Electronics and suitable for industrial motor control, factory automation PLCs, and building energy management systems requiring stable component supply across extended production lifecycles.
Supply support for UPD70F3815GA-GAM-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 V850ES/JG3-H product line was designed specifically for deterministic real-time control in cost-sensitive industrial equipment, emphasizing low-power operation, robust EMI immunity, and long-term supply stability.
FAQ
What is the maximum operating frequency of the UPD70F3815GA-GAM-AX?
The UPD70F3815GA-GAM-AX operates at a maximum frequency of 40 MHz. This is achieved using the on-chip PLL with an external crystal connected to XT1/XT2 pins. The 40 MHz clock enables sub-25 ns instruction cycle times, supporting tight real-time deadlines in motor control and automation applications where the UPD70F3815GA-GAM-AX serves as the primary system controller.
Does the UPD70F3815GA-GAM-AX include a CAN controller?
Yes, the UPD70F3815GA-GAM-AX integrates a CAN 2.0B-compliant controller supporting up to 1 Mbit/s data rate and 16 message objects with mask-based filtering. This built-in CAN module eliminates the need for external CAN protocol ICs in distributed control systems, reducing BOM count and PCB area while ensuring timing-critical message handling directly by the UPD70F3815GA-GAM-AX CPU.
What package type is used for the UPD70F3815GA-GAM-AX?
The UPD70F3815GA-GAM-AX uses a 100-pin LQFP package (14 mm × 14 mm, 0.5 mm pitch) with an exposed thermal pad. This package supports reflow soldering and provides mechanical stability for industrial environments. Pin assignments match Renesas' standard V850ES/JG3-H layout, enabling drop-in compatibility with other members of the family such as UPD70F3816GA-GAM-AX when used on the same PCB footprint.
Is the UPD70F3815GA-GAM-AX suitable for automotive applications?
No, the UPD70F3815GA-GAM-AX is rated as a Renesas Standard-grade device intended for industrial, office, and consumer equipment-not automotive or safety-critical transportation systems. Its qualification covers −40°C to +85°C operation and meets industrial EMC standards, but it lacks AEC-Q100 certification or the extended temperature range required for under-hood automotive use. For such applications, Renesas recommends High Quality-grade MCUs like the RH850 series instead of the UPD70F3815GA-GAM-AX.
What development tools are supported for the UPD70F3815GA-GAM-AX?
The UPD70F3815GA-GAM-AX is fully supported by Renesas' QB-V850MINI on-chip debug emulator and PG-FP5 Flash programmer. Software development uses the CA850 C compiler and ID850QB integrated debugger. These tools enable real-time tracing, breakpoint insertion on BKPT/TRST pins, and in-system programming - all validated for the UPD70F3815GA-GAM-AX's specific memory map and peripheral register layout per the V850ES/JG3-H Hardware User's Manual Rev.5.10.
UPD70F3815GA-GAM-AX Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 48-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:
- CANbus, CSI, EBI/EMI, I2C, UART/USART, USB
- Peripherals:
- DMA, LVD, PWM, WDT
- Number of I/O:
- 32
- Program Memory Size:
- 32KB (32K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 16K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.85V ~ 3.6V
- Data Converters:
- A/D 6x10b; D/A 1x8b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
UPD70F3815GA-GAM-AX FAQ
1.How can I place an order for UPD70F3815GA-GAM-AX through Aetrix?
Please submit a Request for Quotation (RFQ) for UPD70F3815GA-GAM-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 UPD70F3815GA-GAM-AX reliable?
The price and inventory of UPD70F3815GA-GAM-AX are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for UPD70F3815GA-GAM-AX is usually 5 days.
3.What payment methods are accepted for UPD70F3815GA-GAM-AX?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for UPD70F3815GA-GAM-AX transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for UPD70F3815GA-GAM-AX?
UPD70F3815GA-GAM-AX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your UPD70F3815GA-GAM-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 UPD70F3815GA-GAM-AX?
For technical support, including UPD70F3815GA-GAM-AX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your UPD70F3815GA-GAM-AX requirements.
6.How does Aetrix verify that UPD70F3815GA-GAM-AX is sourced from the original manufacturer or authorized distributors?
All UPD70F3815GA-GAM-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 UPD70F3815GA-GAM-AX meets industry standards.
7.What is the process for return or replacement of UPD70F3815GA-GAM-AX?
All UPD70F3815GA-GAM-AX units undergo pre-shipment inspection (PSI). If there is an issue with UPD70F3815GA-GAM-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 UPD70F3815GA-GAM-AX part is unused and in its original packaging.
Return procedure for UPD70F3815GA-GAM-AX:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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