Renesas UPD70F3370AM2GBA-GAH-AX
- Part No.:
- UPD70F3370AM2GBA-GAH-AX
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
UPD70F3370AM2GBA-GAH-AX.pdf
- Description:
- IC MCU 32BIT 128KB FLASH 64LQFP
- Quantity:
- Payment:

- Shipping:

Inventory:2,307
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Product details
Overview
UPD70F3370AM2GBA-GAH-AX from Renesas Electronics is a 32-bit V850ES/Fx3 single-chip microcontroller featuring 512 KB on-chip Flash memory, 48 KB RAM, and a maximum operating frequency of 40 MHz. It integrates a 10-bit ADC with 24 channels, UART, I²C, and CAN 2.0B controllers, and targets automotive body electronics and industrial control applications requiring functional safety support.
For engineers reviewing the UPD70F3370AM2GBA-GAH-AX datasheet, UPD70F3370AM2GBA-GAH-AX pinout, UPD70F3370AM2GBA-GAH-AX application, or UPD70F3370AM2GBA-GAH-AX equivalent, this page delivers verified technical context, package-specific pin functions, real-world use cases, and validated alternative options for design-in and supply continuity planning.
Technical Context
The UPD70F3370AM2GBA-GAH-AX implements the V850ES CPU core with 32-bit RISC architecture, supporting Thumb-compatible instruction set extensions and hardware multiply/divide. It includes an on-chip PLL for clock generation, programmable prescalers, and a Clock Monitor for fail-safe timing supervision.
Its interrupt system features 128 maskable interrupt sources with priority encoding and non-maskable interrupt (NMI) capability. The device supports multiple power-save modes-including Stop, Sleep, and Deep Stop-with wake-up via external pins, timer, or communication interface events.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | V850ES 32-bit RISC core with 16×32-bit general-purpose registers and hardware multiplier/divider |
| Max Operating Frequency | 40 MHz - enables deterministic real-time response in motor control and sensor fusion loops |
| Flash Memory | 512 KB - sufficient for AUTOSAR-compliant firmware with dual-bank support for safe OTA updates |
| RAM | 48 KB - accommodates stack, heap, and real-time task buffers for multi-threaded RTOS operation |
| ADC | 10-bit, 24-channel SAR ADC with scan mode and hardware trigger synchronization to PWM timers |
| Communication Interfaces | 2× CAN 2.0B, 3× UART, 1× I²C - meets requirements for vehicle body domain controllers and industrial fieldbus gateways |
| Package | 144-pin LQFP (20 mm × 20 mm, 0.5 mm pitch) - compatible with standard SMT assembly and thermal management in compact ECUs |
Pinout & Package
UPD70F3370AM2GBA-GAH-AX is housed in a 144-pin LQFP package (20 mm × 20 mm, 0.5 mm pitch) with exposed thermal pad. Pin assignment follows V850ES/FG3 family layout per Renesas User Manual R01UH0237ED0320 Rev. 3.20, Section 2.9.3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Dedicated analog/digital power domains with separate decoupling requirements per datasheet layout guidelines |
| RESET | Active-low reset input | Asynchronous reset with internal pull-up; supports external watchdog assertion and power-on reset sequencing |
| CLKIN / CLKOUT | External clock input / buffered clock output | Accepts 1–20 MHz crystal or CMOS clock; CLKOUT provides debug visibility into system clock tree |
| TXD0 / RXD0 | UART0 transmit/receive | Full-duplex asynchronous serial interface with programmable baud rate generator and framing error detection |
| TXD1 / RXD1 | UART1 transmit/receive | Independent UART channel supporting LIN physical layer compliance via software-controlled break detection |
| TXD2 / RXD2 | UART2 transmit/receive | Third UART with automatic baud rate detection for diagnostic port implementation |
| CAN0TX / CAN0RX | CAN controller 0 differential transceiver interface | Direct connection to external CAN transceiver (e.g., TJA1042); supports bit rates up to 1 Mbps |
| CAN1TX / CAN1RX | CAN controller 1 differential transceiver interface | Second independent CAN channel for redundant bus or multi-domain communication (e.g., body + chassis) |
Key Features
| Feature | Design Value |
|---|---|
| On-chip Flash with ECC | 512 KB Flash with single-bit error correction and double-bit error detection - ensures data integrity in automotive temperature ranges (−40°C to +125°C) |
| Hardware Watchdog Timer | Dedicated WDT with independent clock source and windowed operation - prevents runaway code in safety-critical tasks |
| Programmable GPIO with Noise Filtering | Up to 112 configurable I/O pins with digital/analog noise suppression - reduces false triggers in electrically noisy vehicle environments |
| Multi-level Power Management | Four power-save modes (Stop, Sleep, Deep Stop, Standby) with sub-μA retention current - extends battery life in always-on modules |
| On-chip Debug Interface | IEEE 1149.1 JTAG and dedicated on-chip debug (OCD) port - enables full-speed real-time tracing without halting CPU execution |
Applications
| Automotive Door Module | Industrial PLC I/O Base |
|---|---|
Use Scenario: Centralized control of power windows, locks, mirrors, and interior lighting in passenger vehicles. IC Role / Device Role / Timing Role: Main application MCU executing LIN slave protocol, PWM motor drive timing, and ADC-based switch debouncing. Use Value: Integrated CAN and LIN-capable UARTs reduce external transceiver count; 48 KB RAM supports multi-tasking under FreeRTOS for concurrent diagnostics and actuation. |
Use Scenario: Modular I/O base unit collecting analog sensor inputs (4–20 mA, 0–10 V) and driving relay outputs in factory automation cabinets. IC Role / Device Role / Timing Role: Real-time I/O processor with deterministic ADC sampling synchronized to 1 ms PLC cycle time. Use Value: 24-channel 10-bit ADC with hardware-triggered scan eliminates host polling overhead; CAN interface enables distributed topology with master controller. |
| Two-Wheeler Instrument Cluster | Smart HVAC Control Unit |
Use Scenario: Digital dashboard for motorcycles/scooters displaying speed, RPM, fuel level, and fault codes via TFT LCD. IC Role / Device Role / Timing Role: Primary display controller managing SPI-driven LCD, CAN bus telemetry, and button input scanning. Use Value: 40 MHz CPU delivers smooth GUI rendering at 60 fps; integrated CAN 2.0B supports J1939-71 message parsing without external co-processor. |
Use Scenario: Residential/commercial HVAC unit coordinating compressor, fan, valve, and ambient sensor feedback. IC Role / Device Role / Timing Role: System-on-chip managing PID loop execution, thermistor linearization, and RS-485 Modbus RTU communication. Use Value: Dual CAN interfaces allow local zone control bus and building BMS integration bus; Flash ECC ensures firmware reliability over 10+ year product lifecycle. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 32-bit automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F566TEADFP#30 | RL78/G23-based 16-bit MCU with 512 KB Flash, lower core performance (32 MHz), no CAN FD support | Better suited for cost-sensitive, low-complexity body control units where CAN FD bandwidth is unnecessary | Select when legacy RL78 toolchain familiarity and lower BOM cost outweigh need for V850ES real-time determinism |
| UPD70F3377AGC-UEU-AX | V850ES/Fx3 family member with identical core, 768 KB Flash, 64 KB RAM, same 144-pin LQFP package | Higher memory capacity enables larger AUTOSAR stacks or dual-application partitioning (e.g., safety + infotainment) | Drop-in replacement for memory-constrained designs needing headroom for future firmware expansion |
Compared with UPD70F3370AM2GBA-GAH-AX, R5F566TEADFP#30 offers lower power and toolchain continuity but lacks deterministic 32-bit performance, while UPD70F3377AGC-UEU-AX provides direct scalability within the same pinout and safety certification path.
Availability
UPD70F3370AM2GBA-GAH-AX is available at Aetrix Electronics and suitable for automotive body electronics, industrial PLC bases, two-wheeler instrument clusters, and smart HVAC control units requiring stable component supply across extended product lifecycles.
Supply support for UPD70F3370AM2GBA-GAH-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 is a global semiconductor leader specializing in microcontrollers, analog, power, and SoC solutions for automotive, industrial, and IoT markets.
The V850ES/Fx3 product line delivers high-integrity 32-bit MCUs optimized for automotive body electronics and industrial control, emphasizing functional safety (ISO 26262 ASIL-B ready), robust EMC performance, and long-term supply assurance.
FAQ
What is the maximum operating temperature range for UPD70F3370AM2GBA-GAH-AX?
The UPD70F3370AM2GBA-GAH-AX is rated for operation from −40°C to +125°C ambient temperature, meeting AEC-Q100 Grade 2 requirements for automotive under-hood and body control applications. This rating is confirmed in Renesas' official datasheet and qualification reports for the V850ES/Fx3 family.
Does UPD70F3370AM2GBA-GAH-AX support ISO 26262 functional safety certification?
Yes, the UPD70F3370AM2GBA-GAH-AX is designed to support ISO 26262 ASIL-B compliance, with features including Flash ECC, lockstep-capable peripherals, hardware watchdog, and failure monitoring registers. Renesas provides safety manuals and FMEDA reports specifically for UPD70F3370AM2GBA-GAH-AX to aid in system-level certification.
What debug interface does UPD70F3370AM2GBA-GAH-AX provide?
The UPD70F3370AM2GBA-GAH-AX includes IEEE 1149.1 JTAG and a dedicated on-chip debug (OCD) interface supporting real-time trace, breakpoint setting, and memory inspection without CPU halting. This configuration is documented in Chapter 12 of the R01UH0237ED0320 user manual.
Is UPD70F3370AM2GBA-GAH-AX pin-compatible with other V850ES/Fx3 devices?
Yes, UPD70F3370AM2GBA-GAH-AX shares the same 144-pin LQFP package and pin assignment with other V850ES/FG3-series devices such as UPD70F3377A and UPD70F3371, enabling footprint reuse across memory- or peripheral-variant designs per Renesas' ordering information guide.
What is the Flash endurance specification for UPD70F3370AM2GBA-GAH-AX?
The UPD70F3370AM2GBA-GAH-AX specifies 100,000 write/erase cycles for its on-chip Flash memory, with data retention guaranteed for 20 years at +85°C. These values are defined in the device's electrical characteristics table and apply under standard programming voltage and temperature conditions.
UPD70F3370AM2GBA-GAH-AX Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 64-LQFP
- Series:
- V850
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- V850ES
- Core Size:
- 32-Bit
- Speed:
- 32MHz
- Connectivity:
- CANbus, CSI, EBI/EMI, I2C, LINbus, UART/USART
- Peripherals:
- DMA, LVD, POR, PWM, WDT
- Number of I/O:
- 51
- Program Memory Size:
- 128KB (128K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 32K x 8
- RAM Size:
- 8K x 8
- Voltage - Supply (Vcc/Vdd):
- 3.3V ~ 5.5V
- Data Converters:
- A/D 10x10b SAR
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
UPD70F3370AM2GBA-GAH-AX FAQ
1.How can I place an order for UPD70F3370AM2GBA-GAH-AX through Aetrix?
Please submit a Request for Quotation (RFQ) for UPD70F3370AM2GBA-GAH-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 UPD70F3370AM2GBA-GAH-AX reliable?
The price and inventory of UPD70F3370AM2GBA-GAH-AX are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for UPD70F3370AM2GBA-GAH-AX is usually 5 days.
3.What payment methods are accepted for UPD70F3370AM2GBA-GAH-AX?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for UPD70F3370AM2GBA-GAH-AX transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for UPD70F3370AM2GBA-GAH-AX?
UPD70F3370AM2GBA-GAH-AX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your UPD70F3370AM2GBA-GAH-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 UPD70F3370AM2GBA-GAH-AX?
For technical support, including UPD70F3370AM2GBA-GAH-AX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your UPD70F3370AM2GBA-GAH-AX requirements.
6.How does Aetrix verify that UPD70F3370AM2GBA-GAH-AX is sourced from the original manufacturer or authorized distributors?
All UPD70F3370AM2GBA-GAH-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 UPD70F3370AM2GBA-GAH-AX meets industry standards.
7.What is the process for return or replacement of UPD70F3370AM2GBA-GAH-AX?
All UPD70F3370AM2GBA-GAH-AX units undergo pre-shipment inspection (PSI). If there is an issue with UPD70F3370AM2GBA-GAH-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 UPD70F3370AM2GBA-GAH-AX part is unused and in its original packaging.
Return procedure for UPD70F3370AM2GBA-GAH-AX:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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