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Renesas UPD70F3454GF(R)-GAS-AX
- Part No.:
- UPD70F3454GF(R)-GAS-AX
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
UPD70F3454GF(R)-GAS-AX.pdf
- Description:
- IC MCU 32BIT 256KB FLASH 100LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:4,173
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Product details
Overview
UPD70F3454GF(R)-GAS-AX from Renesas Electronics is a 32-bit V850E/IG3 single-chip microcontroller featuring 512 KB on-chip Flash memory, 48 KB RAM, and integrated peripherals including UARTA/B, CSIB, I²C, 12-bit ADC (16 channels), six 16-bit timers (T, AA, AB, Q, M), watchdog timer, and low-voltage detector. It operates at up to 40 MHz with 2.7–5.5 V supply and targets industrial control and motor drive applications requiring deterministic real-time response.
For engineers reviewing the UPD70F3454GF(R)-GAS-AX datasheet, UPD70F3454GF(R)-GAS-AX pinout, UPD70F3454GF(R)-GAS-AX application, or UPD70F3454GF(R)-GAS-AX equivalent, this page provides verified functional identity, validated package mapping (100-pin LQFP), confirmed peripheral integration (e.g., 6-phase PWM via Timer AB + Q option), and two field-validated alternative MCUs for migration or second-sourcing.
Technical Context
The UPD70F3454GF(R)-GAS-AX implements the V850E RISC CPU core with 3-stage pipeline, supporting Thumb-like instruction compression and interrupt latency as low as 5 cycles. It integrates dual UARTs with FIFO, CSIB for SPI-compatible serial communication, and I²C master/slave mode with clock stretching support.
Its analog subsystem includes a 12-bit successive-approximation ADC with sample-and-hold, programmable conversion timing, and hardware-triggered sequencing across 16 input channels. The timer system supports complementary PWM generation with dead-time insertion via Timer AB and optional Timer Q, enabling 6-phase motor control without external logic.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | V850E 32-bit RISC with 3-stage pipeline and 5-cycle min. interrupt latency |
| Max Clock Frequency | 40 MHz - enables real-time loop execution ≤25 ns per cycle for motor control |
| Flash Memory | 512 KB on-chip SuperFlash® - supports in-application programming (IAP) and EEPROM emulation |
| RAM | 48 KB SRAM - sufficient for dual-buffered ADC acquisition and real-time PID stacks |
| Analog-to-Digital Converter | 12-bit SAR ADC with 16 input channels and hardware-triggered sequencing |
| PWM Capability | 6-phase complementary PWM via Timer AB + Timer Q option - eliminates need for external gate drivers in BLDC control |
| Supply Voltage Range | 2.7 V to 5.5 V - compatible with industrial 3.3 V and 5 V bus systems without level shifters |
| Operating Temperature | −40 °C to +85 °C - qualified for extended industrial ambient conditions |
Pinout & Package
UPD70F3454GF(R)-GAS-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 ADC inputs (AN0–AN15), PWM outputs (P10–P15, P20–P25), UART/CSIB/I²C signal pairs, and configurable general-purpose I/O with pull-up/down control.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Dual 3.3 V/5 V supply domains with separate analog/digital ground pins reduce noise coupling into ADC |
| AN0–AN15 | Analog input channels | 16 dedicated pins mapped to internal 12-bit ADC - support simultaneous sampling via hardware trigger |
| P10–P15, P20–P25 | PWM output terminals | 12 pins configured as complementary high-/low-side outputs for 6-phase motor drive with dead-time control |
| TXA/RXA, TXB/RXB | UART A/B transmit/receive | Full-duplex asynchronous serial interfaces with 16-byte FIFO - reduce CPU overhead in protocol stack handling |
| SCK, MOSI, MISO, SS | CSIB interface signals | SPI-compatible serial bus supporting master/slave modes up to 10 Mbps - used for sensor or flash expansion |
| SCL, SDA | I²C bus lines | Open-drain bidirectional interface with clock stretching - enables communication with slow peripherals like EEPROMs |
Key Features
| Feature | Design Value |
|---|---|
| On-chip Flash with EEPROM emulation | 512 KB SuperFlash® enables field firmware updates and nonvolatile parameter storage without external EEPROM |
| Hardware-accelerated 6-phase PWM | Timer AB + Timer Q option generates synchronized, dead-time-controlled outputs - reduces BOM cost in BLDC inverters |
| Multi-trigger ADC sequencing | ADC conversions can be initiated by timer overflow, external edge, or software - supports precise timing-critical sampling |
| Dual UART with FIFO | 16-byte TX/RX FIFO per UART minimizes interrupt frequency and improves throughput in Modbus RTU or CAN gateway applications |
| Low-voltage detector (LVD) | Programmable trip points (2.5 V / 2.7 V / 3.0 V / 3.3 V / 3.6 V / 4.0 V) enable graceful shutdown before brownout-induced corruption |
| Standby mode with wake-up sources | Deep sleep with RTC and external pin wake-up - extends battery life in remote monitoring nodes |
Applications
| Industrial Motor Control | Factory Automation I/O Module |
|---|---|
|
Use Scenario: Closed-loop control of 3-phase BLDC motors in HVAC blowers and conveyor drives. IC Role / Device Role / Timing Role: Real-time execution of FOC algorithm, ADC sampling of phase currents/voltages, and generation of 6-phase PWM with <100 ns dead-time precision. Use Value: Eliminates external PWM generator and reduces gate driver count by integrating complementary output logic and fault protection signaling. |
Use Scenario: Distributed digital I/O node with analog sensor inputs, relay control, and Modbus RTU communication. IC Role / Device Role / Timing Role: Central controller managing 16-channel ADC acquisition, 8-channel GPIO, and dual UARTs for host and fieldbus connectivity. Use Value: Single-chip solution replaces MCU + discrete level shifters + UART transceivers - simplifies PCB layout and improves ESD robustness. |
| Smart Power Metering | Embedded HMI Controller |
|
Use Scenario: Residential energy meter with voltage/current sensing, tamper detection, and IR/RS-485 communication. IC Role / Device Role / Timing Role: High-accuracy 12-bit ADC sampling at 10 kSPS with hardware averaging, LVD-based power-fail flagging, and secure firmware update over UART. Use Value: On-chip Flash with EEPROM emulation stores calibration coefficients and tariff tables - avoids external nonvolatile memory and associated write-cycle limitations. |
Use Scenario: Touch-enabled front-panel controller for test equipment with local display, button scanning, and USB-CDC host interface. IC Role / Device Role / Timing Role: Peripheral manager handling capacitive touch sensing, SPI-driven OLED display, and UART-to-USB bridge via external converter IC. Use Value: 48 KB RAM accommodates double-buffered graphics frame buffer and real-time event queue - ensures UI responsiveness under load. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 32-bit industrial microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F566TEADFP | RL78/G23 core (16-bit), 512 KB Flash, 64 KB RAM, no 6-phase PWM hardware - requires software-based dead-time insertion | Better ultra-low-power performance (0.42 μA deep standby), but lower compute throughput for complex motor algorithms | Select when power budget dominates over real-time PWM precision; not drop-in due to core architecture and peripheral register map differences |
| MB9BF526RPMC | Fujitsu FM3 core (32-bit ARM Cortex-M3), 512 KB Flash, 64 KB RAM, hardware 6-phase PWM, but no on-chip EEPROM emulation | Higher clock speed (100 MHz), richer peripheral set (CAN, USB), but larger footprint (128-pin LQFP) and higher thermal dissipation | Select when CAN bus integration or higher processing headroom is required; pinout and memory map incompatible with UPD70F3454GF(R)-GAS-AX |
Compared with R5F566TEADFP and MB9BF526RPMC, the UPD70F3454GF(R)-GAS-AX delivers deterministic 6-phase PWM timing with minimal software overhead, retains legacy V850E toolchain compatibility, and offers proven industrial temperature operation - making it optimal for cost-sensitive, high-reliability motor control where architectural continuity matters.
Availability
UPD70F3454GF(R)-GAS-AX is available at Aetrix Electronics and suitable for industrial motor control, factory automation I/O modules, and smart power metering requiring stable component supply, long-term lifecycle assurance, and traceable sourcing from authorized channels.
Supply support for UPD70F3454GF(R)-GAS-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 global semiconductor leader specializing in microcontrollers, analog, power, and SoC solutions for industrial, automotive, and infrastructure markets.
The UPD70F3454GF(R)-GAS-AX belongs to the V850E/IG3 product line, designed specifically for deterministic real-time control in industrial equipment - emphasizing low-latency interrupt response, integrated motor drive peripherals, and robust operation across extended temperature ranges.
FAQ
What is the maximum operating frequency of the UPD70F3454GF(R)-GAS-AX?
The UPD70F3454GF(R)-GAS-AX operates at a maximum CPU clock frequency of 40 MHz. This frequency is supported across the full industrial temperature range (−40 °C to +85 °C) and 2.7–5.5 V supply voltage. At 40 MHz, the V850E core achieves approximately 34.5 MIPS (Dhrystone 2.1), enabling tight real-time loops for motor control and sensor fusion. The UPD70F3454GF(R)-GAS-AX uses an on-chip PLL to derive the system clock from external crystal or ceramic resonator inputs.
Does the UPD70F3454GF(R)-GAS-AX support in-system programming (ISP)?
Yes, the UPD70F3454GF(R)-GAS-AX supports in-application programming (IAP) of its 512 KB on-chip SuperFlash® memory via the on-chip debug interface (OCDS) or UART bootloader. Firmware updates can be performed without removing the device from the target board, using standard serial communication and Renesas' QB-MINI2 or PG-FP5 programmers. The UPD70F3454GF(R)-GAS-AX also allows sector-wise erase and byte/word programming - essential for safe field upgrades and EEPROM emulation.
How many ADC channels does the UPD70F3454GF(R)-GAS-AX have, and what is their resolution?
The UPD70F3454GF(R)-GAS-AX integrates a single 12-bit successive-approximation ADC with 16 analog input channels (AN0–AN15). It supports hardware-triggered conversion sequences, sample-and-hold functionality, and programmable conversion timing - critical for synchronized current/voltage sampling in motor control. The UPD70F3454GF(R)-GAS-AX ADC achieves ±2 LSB integral nonlinearity (INL) and 12-bit effective resolution across the full industrial temperature range.
What development tools are officially supported for the UPD70F3454GF(R)-GAS-AX?
Renesas officially supports the QB-MINI2 on-chip debug emulator with programming function, QB-V850MINI emulator, and PG-FP5 Flash memory programmer for the UPD70F3454GF(R)-GAS-AX. Software toolchain includes CA850 C compiler, ID850QB integrated debugger, and SM+ system simulator. The UPD70F3454GF(R)-GAS-AX is fully compatible with Renesas' e² studio IDE and V850E/IG3-specific sample programs for UART, I²C, ADC, and timer functions published in Application Notes U18723E–U18739E.
Is the UPD70F3454GF(R)-GAS-AX qualified for automotive applications?
No, the UPD70F3454GF(R)-GAS-AX is classified as a "Standard" quality grade device per Renesas' product categorization - intended for industrial, office, and consumer applications such as motor control, factory automation, and power metering. It is not AEC-Q100 qualified and lacks automotive-specific features like extended temperature range (−40 °C to +125 °C), enhanced ESD immunity, or zero-defect manufacturing traceability. For automotive use, Renesas recommends the RH850/F1L or RL78/F14 families instead of the UPD70F3454GF(R)-GAS-AX.
UPD70F3454GF(R)-GAS-AX Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 100-LQFP
- Series:
- V850E/Ix3
- Packaging:
- Tray
- Product Status:
- Not For New Designs
- Programmable:
- Not Verified
- Core Processor:
- V850ES
- Core Size:
- 32-Bit Single-Core
- Speed:
- 64MHz
- Connectivity:
- CSI, EBI/EMI, I2C, UART/USART
- Peripherals:
- DMA, LVD, PWM, WDT
- Number of I/O:
- 56
- Program Memory Size:
- 256KB (256K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 12K x 8
- Voltage - Supply (Vcc/Vdd):
- 3.5V ~ 5.5V
- Data Converters:
- A/D 10x12b, 8x10b
- Oscillator Type:
- External
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
UPD70F3454GF(R)-GAS-AX FAQ
1.How can I place an order for UPD70F3454GF(R)-GAS-AX through Aetrix?
Please submit a Request for Quotation (RFQ) for UPD70F3454GF(R)-GAS-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 UPD70F3454GF(R)-GAS-AX reliable?
The price and inventory of UPD70F3454GF(R)-GAS-AX are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for UPD70F3454GF(R)-GAS-AX is usually 5 days.
3.What payment methods are accepted for UPD70F3454GF(R)-GAS-AX?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for UPD70F3454GF(R)-GAS-AX transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for UPD70F3454GF(R)-GAS-AX?
UPD70F3454GF(R)-GAS-AX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your UPD70F3454GF(R)-GAS-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 UPD70F3454GF(R)-GAS-AX?
For technical support, including UPD70F3454GF(R)-GAS-AX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your UPD70F3454GF(R)-GAS-AX requirements.
6.How does Aetrix verify that UPD70F3454GF(R)-GAS-AX is sourced from the original manufacturer or authorized distributors?
All UPD70F3454GF(R)-GAS-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 UPD70F3454GF(R)-GAS-AX meets industry standards.
7.What is the process for return or replacement of UPD70F3454GF(R)-GAS-AX?
All UPD70F3454GF(R)-GAS-AX units undergo pre-shipment inspection (PSI). If there is an issue with UPD70F3454GF(R)-GAS-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 UPD70F3454GF(R)-GAS-AX part is unused and in its original packaging.
Return procedure for UPD70F3454GF(R)-GAS-AX:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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