Renesas UPD70F3763GC-UEU-AX

Overview

UPD70F3763GC-UEU-AX from Renesas Electronics is a 32-bit V850ES/JG3-U microcontroller with 512 KB on-chip Flash, 48 KB RAM, and integrated 16-bit timer/event counters, UART, I²C, and CAN 2.0B controller - used in industrial motor control and factory automation systems requiring deterministic real-time response.

For engineers reviewing the UPD70F3763GC-UEU-AX datasheet, UPD70F3763GC-UEU-AX pinout, UPD70F3763GC-UEU-AX application, or UPD70F3763GC-UEU-AX equivalent, key selection criteria include its 48 MHz max CPU frequency, 100-pin LQFP package, CAN interface compliance, Flash endurance (100K write/erase cycles), and support for on-chip debug via JTAG.

Technical Context

The UPD70F3763GC-UEU-AX implements the V850ES RISC CPU core with 5-stage pipeline, supporting both little-endian and big-endian data access. It integrates a PLL-based clock generation unit enabling stable 48 MHz operation from external 4–20 MHz crystals or ceramic resonators.

Its peripheral set includes three 16-bit timer/event counters (TAA/TAB/TAC) with input capture, output compare, and PWM generation; dual UARTs with FIFO and LIN support; one I²C bus interface; and a full-CAN 2.0B controller with 32 message objects and programmable bit timing - all accessible via dedicated pins mapped to Port 0–7 and CT/DH/DL groups.

Key Specifications

Pinout & Package

UPD70F3763GC-UEU-AX is housed in a 100-pin LQFP (14 mm × 14 mm, 0.5 mm pitch) with exposed thermal pad (EP). Pin numbering follows standard top-view counterclockwise layout starting at pin 1 (marked corner).

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar microcontroller applications.

Compared with UPD70F3763GC-UEU-AX, the UPD70F3768GC-UEU-AX offers direct scalability in code/data space without layout or driver changes, while the R5F57016ADFP#30 shifts design focus toward connectivity and processing bandwidth at the expense of real-time CAN integration.

Availability

UPD70F3763GC-UEU-AX is available at Aetrix Electronics and suitable for industrial motor control, factory automation gateways, and building HVAC controllers requiring stable component supply across extended production lifecycles.

Supply support for UPD70F3763GC-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 management ICs for industrial, automotive, and infrastructure markets.

The V850ES/JG3-U product line delivers deterministic real-time performance for safety-critical industrial control applications, emphasizing low-latency interrupt handling, robust peripheral integration, and long-term supply assurance.

FAQ

What is the maximum operating frequency of the UPD70F3763GC-UEU-AX?

The UPD70F3763GC-UEU-AX operates at a maximum CPU frequency of 48 MHz, achieved via its on-chip PLL that multiplies an external 4–20 MHz crystal or resonator input. This frequency is fully supported across the entire industrial temperature range (−40 °C to +85 °C) and under all specified supply voltages (2.7–5.5 V). The UPD70F3763GC-UEU-AX maintains cycle-accurate instruction timing at this rate, enabling precise real-time control loops.

Does the UPD70F3763GC-UEU-AX include a CAN controller?

Yes, the UPD70F3763GC-UEU-AX integrates a full CAN 2.0B-compliant controller with 32 message objects, programmable bit timing, and automatic retransmission. It supports both standard (11-bit) and extended (29-bit) identifiers and includes dedicated CAN_TX and CAN_RX pins (P00 and P01). The UPD70F3763GC-UEU-AX does not include a physical CAN transceiver - an external transceiver such as the SN65HVD230 must be used for bus connection.

What debug interface does the UPD70F3763GC-UEU-AX support?

The UPD70F3763GC-UEU-AX supports on-chip debugging via a 5-pin JTAG interface (TCK, TMS, TDI, TDO, TRST), compatible with Renesas IECUBE and MINICUBE2 emulators. It does not support SWD or cJTAG. Debug access remains functional across all low-power modes except STOP mode, where JTAG clocks are halted until wake-up. The UPD70F3763GC-UEU-AX also supports flash programming and breakpoint debugging through the same interface.

Is the UPD70F3763GC-UEU-AX pin-compatible with other V850ES/JG3-U devices?

Yes, the UPD70F3763GC-UEU-AX shares identical pinout, package dimensions, and peripheral pin mapping with other 100-pin LQFP variants in the V850ES/JG3-U family, including UPD70F3764GC-UEU-AX and UPD70F3768GC-UEU-AX. This allows direct PCB reuse when upgrading Flash/RAM capacity or selecting alternate memory configurations. The UPD70F3763GC-UEU-AX maintains consistent signal timing and drive strength across these variants.

What is the Flash endurance specification for the UPD70F3763GC-UEU-AX?

The UPD70F3763GC-UEU-AX specifies 100,000 write/erase cycles for its on-chip Flash memory, validated per Renesas' reliability testing standards. Each sector can be erased independently, and wear leveling must be implemented in firmware for applications requiring frequent updates. The UPD70F3763GC-UEU-AX supports Flash lock bits to prevent accidental overwrite during field operation, and its Flash programming voltage is internally generated - no external VPP supply is needed.