Renesas UPD78F1515AGC-UEU-AX

Overview

UPD78F1515AGC-UEU-AX from Renesas Electronics is a 16-bit single-chip microcontroller in the 78K0R/LG3 family, featuring 128 KB on-chip Flash memory, 8 KB RAM, and integrated 10-bit ADC with 24 channels. It operates at up to 20 MHz, supports I²C, UART, and CSI interfaces, and targets embedded control in industrial sensors and motor drive subsystems.

For engineers reviewing the UPD78F1515AGC-UEU-AX datasheet, UPD78F1515AGC-UEU-AX pinout, UPD78F1515AGC-UEU-AX application, or UPD78F1515AGC-UEU-AX equivalent, key selection criteria include Flash endurance (100k write/erase cycles), operating voltage range (2.7–5.5 V), and support for low-power stop modes with wake-up via external interrupt or RTC alarm.

Technical Context

The UPD78F1515AGC-UEU-AX implements the 78K0R CPU core with 16-bit architecture, 3-stage pipeline, and Harvard memory organization. It integrates a programmable 8-bit watchdog timer, 16-bit multifunction timer array (TAM) with PWM output capability, and a 10-bit ADC with sample-and-hold and hardware-triggered conversion sequencing.

Its peripheral set includes two serial interface controllers (SIO) configurable as UART, CSI, or I²C, a real-time clock (RTC) with calendar function, and a 12-channel DMA controller supporting memory-to-peripheral transfers. The device uses SuperFlash® technology for Flash memory, enabling fast erase (≤10 ms per block) and single-cycle read access at full speed.

Key Specifications

Pinout & Package

The UPD78F1515AGC-UEU-AX is housed in a 100-pin LQFP package (14 mm × 14 mm, 0.5 mm pitch) with exposed thermal pad, rated for industrial temperature range (−40°C to +85°C). Pin assignment follows the 78K0R/LG3 standard layout defined in Rev.5.01 of the Hardware User's Manual.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar 16-bit microcontroller applications.

Compared with R5F10PLGCLFB#30 and UPD78F1516AGC-UEU-AX, the UPD78F1515AGC-UEU-AX offers optimal balance of integrated RTC calendar, industrial-grade ADC performance, and proven field reliability - making it ideal for time-aware sensor and control applications without CAN requirements.

Availability

UPD78F1515AGC-UEU-AX is available at Aetrix Electronics and suitable for industrial automation, motor control, and smart metering applications requiring stable component supply, long-term lifecycle assurance, and RoHS-compliant manufacturing.

Supply support for UPD78F1515AGC-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 global semiconductor leader specializing in microcontrollers, analog, power, and SoC solutions for industrial, automotive, and infrastructure markets.

The UPD78F1515AGC-UEU-AX belongs to the 78K0R/LG3 product line, designed specifically for cost-sensitive, high-reliability embedded control applications demanding rich analog integration, deterministic real-time performance, and industrial temperature operation.

FAQ

What is the maximum operating frequency of the UPD78F1515AGC-UEU-AX?

The UPD78F1515AGC-UEU-AX supports a maximum system clock frequency of 20 MHz, achieved using an external crystal oscillator or ceramic resonator. At this frequency, the 78K0R CPU executes instructions with a minimum cycle time of 50 ns, enabling hard real-time response for motor control and sensor acquisition tasks. The device also supports sub-multiple clock division for lower-power operation without sacrificing peripheral timing accuracy.

Does the UPD78F1515AGC-UEU-AX include on-chip Flash memory with EEPROM emulation capability?

Yes, the UPD78F1515AGC-UEU-AX integrates 128 KB of on-chip SuperFlash® memory with 100,000 write/erase cycles and supports EEPROM emulation using dedicated Flash sectors and Renesas-provided firmware libraries. This allows non-volatile storage of calibration data, configuration parameters, and event logs without external EEPROM, reducing BOM cost and board space. The UPD78F1515AGC-UEU-AX Flash controller includes error detection and wear-leveling support.

What debug interface does the UPD78F1515AGC-UEU-AX support?

The UPD78F1515AGC-UEU-AX supports single-wire debug (SWD) via pins P10 (SWCLK) and P11 (SWDIO), compatible with Renesas QB-MINI2 and third-party J-Link probes. This interface enables full-speed debugging, flash programming, and real-time register inspection without halting peripheral operation. The UPD78F1515AGC-UEU-AX also supports background debug mode (BDM) for seamless code updates in deployed systems.

Is the UPD78F1515AGC-UEU-AX qualified for industrial temperature operation?

Yes, the UPD78F1515AGC-UEU-AX is rated for industrial temperature operation from −40°C to +85°C, verified per Renesas' Standard quality grade qualification. Its LQFP package and internal voltage regulators maintain stable timing and analog performance across this range. The UPD78F1515AGC-UEU-AX meets JEDEC JESD22-A104 temperature cycling and JESD22-A108 high-temperature operating life standards.

How many ADC input channels does the UPD78F1515AGC-UEU-AX support?

The UPD78F1515AGC-UEU-AX supports 24 analog input channels for its 10-bit successive approximation ADC, with flexible multiplexing across ports P5, P6, P7, and P14. Channels can be scanned in hardware-triggered sequences, and conversion results are automatically stored in RAM via DMA - eliminating CPU polling. The UPD78F1515AGC-UEU-AX ADC includes internal reference (2.5 V) and supports external reference inputs for precision measurement.