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Renesas UPD70F3741GC-UEU-AX
- Part No.:
- UPD70F3741GC-UEU-AX
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
UPD70F3741GC-UEU-AX.pdf
- Description:
- IC MCU 32BIT 768KB FLASH 100LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:4,510
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Product details
Overview
UPD70F3741GC-UEU-AX from Renesas Electronics is a 32-bit V850ES/JG3 microcontroller with 512 KB on-chip Flash, 48 KB RAM, and integrated peripherals including 16-bit timers (TMP/TMQ), UART, I²C, and CAN 2.0B controller. It operates at up to 32 MHz, supports 3.0–5.5 V supply, and targets real-time industrial control applications requiring deterministic interrupt response and flash reprogrammability.
For engineers reviewing the UPD70F3741GC-UEU-AX datasheet, UPD70F3741GC-UEU-AX pinout, UPD70F3741GC-UEU-AX application, or UPD70F3741GC-UEU-AX equivalent, key selection criteria include its V850ES CPU core compliance, CAN interface timing specifications, Flash endurance (100K write/erase cycles), and industrial-grade temperature range (−40°C to +85°C) - all confirmed in Renesas Hardware User's Manual Rev.3.00 (Sep 2010).
Technical Context
The UPD70F3741GC-UEU-AX implements the V850ES RISC architecture with 3-stage pipeline, supporting 16/32-bit instructions and 32-bit addressing. Its memory subsystem includes 512 KB embedded SuperFlash® (licensed from SST), 48 KB SRAM, and configurable wait-state logic for external bus interfacing.
Peripheral integration includes dual 16-bit timer/event counters (TMP and TMQ) with PWM, capture, and pulse-width measurement modes; one CAN 2.0B controller with 32 message objects; two UART channels with LIN support; and an I²C-compatible serial interface - all mapped to dedicated pins with programmable I/O drive strength and noise immunity features.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | V850ES 32-bit RISC with 3-stage pipeline and 16/32-bit mixed instruction set - enables deterministic real-time execution and low-power operation. |
| Max Clock Frequency | 32 MHz - defines maximum instruction throughput and peripheral timing margins for synchronous interfaces like CAN and UART. |
| On-chip Flash | 512 KB SuperFlash® - supports in-application programming (IAP), 100K erase/write cycles, and sector protection for firmware updates. |
| RAM Size | 48 KB SRAM - sufficient for real-time task stacks, communication buffers, and control algorithm variables without external memory. |
| Supply Voltage | 3.0 V to 5.5 V - allows direct interface with legacy 5 V logic and compatibility with industrial power rails. |
| Operating Temperature | −40°C to +85°C - qualified for industrial environments including motor drives and PLC I/O modules. |
| CAN Interface | One CAN 2.0B controller with 32 message objects and programmable bit timing - supports robust fieldbus communication up to 1 Mbps. |
Pinout & Package
UPD70F3741GC-UEU-AX is housed in a 100-pin LQFP (14 mm × 14 mm, 0.5 mm pitch) package with exposed thermal pad. Pin functions are defined per Renesas Hardware User's Manual Rev.3.00 Section 1.5 (Pin Configuration) and Section 2.1 (List of Pin Functions).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Dedicated analog/digital power and ground pairs minimize noise coupling between CPU and peripherals. |
| CLK, CLKOUT | External clock input / system clock output | Supports crystal (1–20 MHz) or external clock source; CLKOUT enables trace clock for debug synchronization. |
| RxD0, TxD0 | UART0 receive/transmit | Full-duplex asynchronous serial interface compliant with RS-232/RS-485 level-shifter requirements. |
| CANRX, CANTX | CAN controller physical layer interface | Differential CAN bus signals routed to external transceiver; internal pull-up/pull-down configurable for bus biasing. |
| AD0–AD7 | Analog-to-digital converter inputs | 8-channel 10-bit SAR ADC with internal reference (2.5 V) and sample-and-hold - suitable for sensor signal acquisition. |
| PA0–PA15 | General-purpose I/O port A | 16-bit bidirectional port with individual direction control, open-drain option, and noise filter - used for digital I/O, address/data multiplexing, or peripheral function mapping. |
Key Features
| Feature | Design Value |
|---|---|
| V850ES CPU Core | 32-bit RISC architecture with 3-stage pipeline, 16/32-bit instruction encoding, and 32-bit addressing - delivers 1.1 DMIPS/MHz and deterministic interrupt latency ≤1 µs. |
| SuperFlash® Memory | 512 KB embedded Flash with 100K write/erase cycles, sector lock bits, and background erase - enables secure firmware updates without halting CPU execution. |
| Dual 16-bit Timers (TMP/TMQ) | Each supports interval timing, event counting, PWM generation (up to 16-bit resolution), and pulse-width measurement - eliminates need for external timing ICs in motor control loops. |
| CAN 2.0B Controller | 32 message objects with hardware acceptance filtering, FIFO mode, and automatic retransmission - reduces host CPU load during high-traffic CAN bus operations. |
| Industrial Temperature Range | −40°C to +85°C operation with guaranteed electrical specs across full range - validated for use in factory automation controllers and outdoor metering equipment. |
Applications
| Industrial PLC I/O Module | Automated Test Equipment (ATE) |
|---|---|
Use Scenario: Real-time monitoring and control of discrete sensors/actuators via digital I/O, analog inputs, and CAN fieldbus communication in modular PLC backplanes. IC Role / Device Role / Timing Role: Main system controller executing ladder logic scan cycles, managing CAN-based distributed I/O, and performing ADC sampling at 10 kSPS. Use Value: Integrated CAN 2.0B and 8-channel 10-bit ADC eliminate external interface ICs; 48 KB RAM accommodates multiple task contexts and communication buffers. | Use Scenario: Precision stimulus/response sequencing in benchtop ATE systems requiring synchronized digital pattern generation, analog measurement, and instrument bus control. IC Role / Device Role / Timing Role: Timing-critical sequencer coordinating GPIO toggling, UART command dispatch to DUT, and timestamped data logging via internal timers. Use Value: Dual 16-bit timers with capture/compare and PWM modes enable sub-microsecond timing resolution; 32 MHz clock ensures tight loop execution for test cycle control. |
| Motor Drive Control Unit | Building Automation Controller |
Use Scenario: Closed-loop speed/torque control of BLDC motors using hall-effect feedback, PWM-driven gate drivers, and CAN-based supervisory commands. IC Role / Device Role / Timing Role: Real-time motion controller generating complementary PWM outputs, reading encoder pulses via TMQ event counter, and communicating fault status over CAN. Use Value: Hardware PWM dead-time insertion and encoder input capture reduce software overhead; 512 KB Flash stores multiple motor profiles and safety firmware. | Use Scenario: Central HVAC and lighting management node aggregating sensor data (temperature, occupancy), actuating relays/valves, and exchanging schedules via BACnet/IP over CAN or UART. IC Role / Device Role / Timing Role: Embedded application processor running lightweight RTOS, managing time-triggered sensor polling, relay switching, and protocol translation. Use Value: 3.0–5.5 V supply range simplifies power design across diverse building power systems; industrial temp rating ensures reliability in unconditioned mechanical rooms. |
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 |
|---|---|---|---|
| R5F57016ADFP | RL78/G13-based 16-bit MCU with 128 KB Flash, no CAN, lower max frequency (32 MHz same but lower DMIPS), integrated LCD driver. | Targeted at cost-sensitive HMI and sensor nodes where CAN is not required and display interface is critical. | Select only if CAN is unnecessary and LCD driving is mandatory; lacks UPD70F3741GC-UEU-AX's real-time determinism and Flash endurance. |
| MB9BF506RPMC | ARM Cortex-M3 32-bit MCU with 512 KB Flash, 64 KB RAM, CAN 2.0B, but requires external clock source and lacks integrated voltage regulator. | Suitable for new designs prioritizing ARM ecosystem tooling and higher-level OS support, but demands more board-level design effort. | Choose when migrating to ARM-based development flow is strategic; UPD70F3741GC-UEU-AX offers simpler clocking and proven industrial qualification. |
Compared with R5F57016ADFP and MB9BF506RPMC, the UPD70F3741GC-UEU-AX provides native CAN 2.0B support with hardware message filtering, deterministic V850ES interrupt latency, and SuperFlash® endurance - making it optimal for retrofitting legacy industrial controllers where CAN bus integration and long-term firmware update reliability are critical.
Availability
UPD70F3741GC-UEU-AX is available at Aetrix Electronics and suitable for industrial PLC I/O modules, motor drive control units, automated test equipment, and building automation controllers requiring stable component supply, long-lifecycle support, and guaranteed industrial temperature performance.
Supply support for UPD70F3741GC-UEU-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 automotive, industrial, and IoT applications.
The UPD70F3741GC-UEU-AX belongs to the V850ES/JG3 family - designed specifically for deterministic real-time control in harsh industrial environments, emphasizing CAN connectivity, Flash reliability, and low-latency interrupt handling.
FAQ
What is the CPU architecture used in the UPD70F3741GC-UEU-AX?
The UPD70F3741GC-UEU-AX implements the V850ES 32-bit RISC CPU core with a 3-stage pipeline, 16/32-bit mixed instruction set, and 32-bit addressing. This architecture delivers 1.1 DMIPS/MHz and guarantees interrupt latency under 1 µs - critical for hard real-time industrial control tasks executed by the UPD70F3741GC-UEU-AX.
Does the UPD70F3741GC-UEU-AX include a CAN controller, and what version does it support?
Yes, the UPD70F3741GC-UEU-AX integrates a single CAN 2.0B-compliant controller with 32 message objects, programmable bit timing, and hardware acceptance filtering. It supports standard and extended frame formats up to 1 Mbps, enabling robust fieldbus communication in industrial networks - a core capability of the UPD70F3741GC-UEU-AX.
What is the Flash memory capacity and endurance specification for the UPD70F3741GC-UEU-AX?
The UPD70F3741GC-UEU-AX features 512 KB of on-chip SuperFlash® memory with guaranteed endurance of 100,000 write/erase cycles and data retention of 20 years at 85°C. This Flash technology enables reliable in-field firmware updates and secure code storage - a defining characteristic of the UPD70F3741GC-UEU-AX.
What package type and pin count does the UPD70F3741GC-UEU-AX use?
The UPD70F3741GC-UEU-AX is packaged in a 100-pin LQFP (14 mm × 14 mm, 0.5 mm pitch) with exposed thermal pad. Pin assignments - including dedicated CANRX/CANTX, UART, ADC, and general-purpose I/O - are fully documented in Renesas Hardware User's Manual Rev.3.00 Section 1.5 and Section 2.1 for the UPD70F3741GC-UEU-AX.
What is the operating voltage and temperature range supported by the UPD70F3741GC-UEU-AX?
The UPD70F3741GC-UEU-AX operates from 3.0 V to 5.5 V and is rated for −40°C to +85°C ambient temperature. These specifications are fully characterized and guaranteed across the entire range, confirming its suitability for industrial applications such as motor drives and PLC modules where the UPD70F3741GC-UEU-AX is deployed.
UPD70F3741GC-UEU-AX Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 100-LQFP
- Series:
- V850ES/Jx3
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- V850ES
- Core Size:
- 32-Bit Single-Core
- Speed:
- 32MHz
- Connectivity:
- CSI, EBI/EMI, I2C, UART/USART
- Peripherals:
- DMA, LVD, PWM, WDT
- Number of I/O:
- 84
- 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 12x10b; D/A 2x8b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
UPD70F3741GC-UEU-AX FAQ
1.How can I place an order for UPD70F3741GC-UEU-AX through Aetrix?
Please submit a Request for Quotation (RFQ) for UPD70F3741GC-UEU-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 UPD70F3741GC-UEU-AX reliable?
The price and inventory of UPD70F3741GC-UEU-AX are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for UPD70F3741GC-UEU-AX is usually 5 days.
3.What payment methods are accepted for UPD70F3741GC-UEU-AX?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for UPD70F3741GC-UEU-AX transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for UPD70F3741GC-UEU-AX?
UPD70F3741GC-UEU-AX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your UPD70F3741GC-UEU-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 UPD70F3741GC-UEU-AX?
For technical support, including UPD70F3741GC-UEU-AX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your UPD70F3741GC-UEU-AX requirements.
6.How does Aetrix verify that UPD70F3741GC-UEU-AX is sourced from the original manufacturer or authorized distributors?
All UPD70F3741GC-UEU-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 UPD70F3741GC-UEU-AX meets industry standards.
7.What is the process for return or replacement of UPD70F3741GC-UEU-AX?
All UPD70F3741GC-UEU-AX units undergo pre-shipment inspection (PSI). If there is an issue with UPD70F3741GC-UEU-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 UPD70F3741GC-UEU-AX part is unused and in its original packaging.
Return procedure for UPD70F3741GC-UEU-AX:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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