My Inquiry
My Account
Renesas UPD70F3726GB-8EU-A
- Part No.:
- UPD70F3726GB-8EU-A
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- -
- Datasheet:
-
UPD70F3726GB-8EU-A.pdf
- Description:
- MOSFET N-CH
- Quantity:
- Payment:
- Shipping:
Inventory:1,893
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
UPD70F3726GB-8EU-A from Renesas Electronics is a 32-bit V850ES/KJ2 single-chip microcontroller featuring 512 KB on-chip Flash memory, 48 KB RAM, and integrated peripherals including UART, CAN 2.0B controller, I²C, and 16-bit timer units. It operates at up to 32 MHz, supports −40°C to +85°C industrial temperature range, and targets real-time embedded control in motor drives and industrial automation systems.
For engineers reviewing the UPD70F3726GB-8EU-A datasheet, UPD70F3726GB-8EU-A pinout, UPD70F3726GB-8EU-A application, or UPD70F3726GB-8EU-A equivalent, key selection criteria include its V850ES CPU core compliance, CAN interface timing specification, Flash endurance (100K write/erase cycles), and 100-pin LQFP package with dedicated debug interface pins.
Technical Context
The UPD70F3726GB-8EU-A implements the V850ES/KJ2 architecture with a 3-stage pipeline, 32-bit RISC instruction set, and Harvard bus structure supporting simultaneous instruction fetch and data access. It integrates a 16-channel 12-bit ADC, 32-bit watchdog timer, and power management unit with multiple low-power modes (HALT, STOP, SLEEP).
Its peripheral set includes two independent CAN controllers compliant with ISO 11898-1:2003, four UART channels with LIN support, and a 16-bit multi-function timer array with input capture, output compare, and PWM generation capability - all synchronized to the same clock domain for deterministic real-time response.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | V850ES 32-bit RISC core with 3-stage pipeline and 32-bit address/data bus |
| Flash Memory | 512 KB on-chip SuperFlash® with 100K write/erase cycles and 128-byte page erase |
| RAM | 48 KB on-chip SRAM, accessible in zero-wait-state mode at max frequency |
| Max Clock Frequency | 32 MHz system clock with PLL-based internal clock generator |
| Operating Temperature | −40°C to +85°C industrial grade, qualified per Renesas Standard quality grade |
| I/O Pins | 82 general-purpose I/O pins with programmable pull-up/down and hysteresis input |
| CAN Interface | Dual CAN 2.0B controllers with message objects, FIFO buffers, and bit-rate up to 1 Mbps |
Pinout & Package
UPD70F3726GB-8EU-A is housed in a 100-pin LQFP (14 mm × 14 mm, 0.5 mm pitch) package with exposed thermal pad. Pin assignment follows the V850ES/KJ2 standard layout, supporting multiplexed functions across ports P0–P9, PC, PM, PS, PT, PDH, and PDL.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Separate analog/digital power domains with dedicated decoupling requirements |
| RESET | Active-low reset input | Asynchronous reset with internal pull-up; requires external RC or supervisor circuit for reliable assertion |
| CLKIN, CLKOUT | External crystal oscillator interface | Supports 1–20 MHz crystal; CLKOUT provides buffered system clock for trace/debug synchronization |
| TXD0/RXD0 | UART0 serial interface | Full-duplex asynchronous communication with programmable baud rate generator and framing error detection |
| CAN0TX/CAN0RX | CAN controller 0 physical interface | Differential signaling pair compatible with ISO 11898-2 transceivers; supports dominant/recessive level detection |
| AD0–AD11 | Analog input channels | 12-bit ADC inputs with sample-and-hold; shared with port P0 pins and configurable for external trigger sources |
Key Features
| Feature | Design Value |
|---|---|
| On-chip Flash programming | Supports in-system programming via on-chip bootloader; no external programmer required for field updates |
| Dual CAN controllers | Independent message RAM and filtering logic enable concurrent CAN bus monitoring and node bridging without CPU overhead |
| Debug interface | IECUBE-compatible 5-pin JTAG interface with real-time trace capability and hardware breakpoints |
| Low-power operation | Three sleep modes with wake-up via external interrupt, timer match, or CAN activity; current draw as low as 1.2 µA in STOP mode |
| Peripheral clock gating | Individual enable/disable control per peripheral module reduces dynamic power consumption during idle periods |
Applications
| Industrial Motor Control | Automated Building Systems |
|---|---|
Use Scenario: Closed-loop control of 3-phase BLDC motors in HVAC compressors and pump drives. IC Role / Device Role / Timing Role: Real-time execution of FOC (Field-Oriented Control) algorithms using PWM timers, ADC sampling, and CAN-based command interface. Use Value: Deterministic 32 MHz timing enables sub-microsecond PWM dead-time insertion and 12-bit current sensing resolution at 10 kHz update rate. | Use Scenario: Centralized HVAC controller managing zone dampers, temperature sensors, and chiller communication. IC Role / Device Role / Timing Role: System coordinator with dual CAN buses for BACnet MS/TP gateway and local actuator network. Use Value: Integrated dual CAN controllers eliminate external protocol bridge ICs and reduce BOM count by one component per node. |
| Factory Automation I/O Module | Energy Monitoring Gateway |
Use Scenario: DIN-rail mounted digital I/O expansion unit with 16-channel isolated inputs and relay outputs. IC Role / Device Role / Timing Role: High-integrity digital signal conditioning and Modbus RTU over RS-485 via UART1 with hardware flow control. Use Value: 82 GPIO pins with programmable hysteresis tolerate ±2 kV ESD and 100 V/m conducted noise per IEC 61000-4-4. | Use Scenario: Smart meter aggregation hub collecting data from 32+ submeters via RS-485 and reporting via Ethernet or cellular. IC Role / Device Role / Timing Role: Data concentrator with time-stamped event logging, secure firmware updates, and dual CAN for legacy utility equipment integration. Use Value: 48 KB RAM supports circular buffer storage of 15-minute interval energy readings for 7 days without external memory. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 32-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F57016ADFP | RA6M1-series Arm® Cortex®-M4F core, 128 KB Flash, 32 KB RAM, no native CAN but supports CAN FD via external transceiver | Targets newer designs requiring floating-point math and USB host capability; lacks integrated CAN 2.0B controller | Select when migrating to Arm ecosystem with toolchain continuity and future-proofing for CAN FD upgrades |
| UPD70F3725GB-8EU-A | Same V850ES/KJ2 core, 384 KB Flash, 32 KB RAM, identical pinout and peripheral set except reduced Flash and RAM capacity | Drop-in replacement for cost-sensitive applications where 512 KB Flash and 48 KB RAM are not required | Choose for BOM cost reduction without PCB or firmware changes if memory footprint fits within 384 KB/32 KB limits |
Compared with UPD70F3726GB-8EU-A, R5F57016ADFP offers higher compute throughput and modern peripherals but requires external CAN transceivers and new software abstraction layers, while UPD70F3725GB-8EU-A delivers identical real-time behavior and pin compatibility at lower memory density - making it ideal for incremental cost optimization.
Availability
UPD70F3726GB-8EU-A is available at Aetrix Electronics and suitable for industrial motor control, factory automation I/O modules, and energy monitoring gateways requiring stable component supply, long-term lifecycle support, and guaranteed RoHS-compliant manufacturing.
Supply support for UPD70F3726GB-8EU-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 automotive, industrial, and IoT markets.
The UPD70F3726GB-8EU-A belongs to the V850ES/KJ2 family - designed specifically for deterministic real-time embedded control in harsh industrial environments with integrated CAN, high-resolution ADC, and robust flash reliability.
FAQ
What is the maximum operating frequency of the UPD70F3726GB-8EU-A?
The UPD70F3726GB-8EU-A operates at a maximum system clock frequency of 32 MHz, achieved via an internal PLL that multiplies an external crystal input (1–20 MHz). This frequency is fully supported across all on-chip peripherals including CAN, UART, and ADC, with zero-wait-state access to Flash and RAM under specified voltage and temperature conditions.
Does the UPD70F3726GB-8EU-A support CAN FD?
No, the UPD70F3726GB-8EU-A implements two CAN 2.0B controllers compliant with ISO 11898-1:2003 only. It does not support CAN FD frame format, bit-rate switching, or extended data length. For CAN FD capability, Renesas recommends migration to RA6T2 or RH850/F1K series devices.
What debug interface does the UPD70F3726GB-8EU-A use?
The UPD70F3726GB-8EU-A uses a 5-pin JTAG interface compatible with NEC/Renesas IECUBE and MINICUBE2 debug emulators. It supports real-time trace, hardware breakpoints, watchpoints, and memory inspection without halting CPU execution - enabling non-intrusive debugging of time-critical CAN and PWM routines.
Is the UPD70F3726GB-8EU-A qualified for automotive applications?
No, the UPD70F3726GB-8EU-A is rated as Renesas Standard quality grade, intended for industrial applications such as factory automation and motor control. It is not AEC-Q100 qualified and lacks the extended temperature range (−40°C to +125°C), enhanced ESD immunity, or automotive-specific failure mode analysis required for automotive ECUs.
What is the Flash endurance specification for the UPD70F3726GB-8EU-A?
The UPD70F3726GB-8EU-A features 512 KB of SuperFlash® memory rated for 100,000 write/erase cycles per sector and data retention of 20 years at 85°C. Sector erase granularity is 128 bytes, enabling efficient firmware patching and parameter storage without full-chip erasure.
UPD70F3726GB-8EU-A Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- -
- Series:
- *
- Packaging:
- Bulk
- 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:
UPD70F3726GB-8EU-A FAQ
1.How can I place an order for UPD70F3726GB-8EU-A through Aetrix?
Please submit a Request for Quotation (RFQ) for UPD70F3726GB-8EU-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 UPD70F3726GB-8EU-A reliable?
The price and inventory of UPD70F3726GB-8EU-A are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for UPD70F3726GB-8EU-A is usually 5 days.
3.What payment methods are accepted for UPD70F3726GB-8EU-A?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for UPD70F3726GB-8EU-A transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for UPD70F3726GB-8EU-A?
UPD70F3726GB-8EU-A orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your UPD70F3726GB-8EU-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 UPD70F3726GB-8EU-A?
For technical support, including UPD70F3726GB-8EU-A datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your UPD70F3726GB-8EU-A requirements.
6.How does Aetrix verify that UPD70F3726GB-8EU-A is sourced from the original manufacturer or authorized distributors?
All UPD70F3726GB-8EU-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 UPD70F3726GB-8EU-A meets industry standards.
7.What is the process for return or replacement of UPD70F3726GB-8EU-A?
All UPD70F3726GB-8EU-A units undergo pre-shipment inspection (PSI). If there is an issue with UPD70F3726GB-8EU-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 UPD70F3726GB-8EU-A part is unused and in its original packaging.
Return procedure for UPD70F3726GB-8EU-A:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
UPD70F3726GB-8EU-A Tags
-
ATTINY4-TSHR
Microchip Technology
-
ATTINY10-TSHR
Microchip Technology
-
ATTINY10-TS8R
Microchip Technology
-
ATTINY202-SSNR
Microchip Technology
-
ATTINY202-SSFR
Microchip Technology
-
ATTINY402-SSNR
Microchip Technology
-
PIC16F15213T-I/MF
Microchip Technology
-
PIC16F15213-E/MF
Microchip Technology
-
PIC10F200T-I/OT
Microchip Technology
-
ATTINY412-SSNR
Microchip Technology
-
PIC10F202T-I/OT
Microchip Technology
-
ATTINY404-SSNR
Microchip Technology
Tech Hub
TTL and CMOS logic families differ in thresholds, loading, output drive, power and timing. This engineering guide compares 74HC and 74HCT, calculates noise margins and checks 3.3 V/5 V compatibility.
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
