Renesas UPD78F0413GA(R)-GAM-AX

Overview

UPD78F0413GA(R)-GAM-AX from Renesas Electronics is an 8-bit single-chip microcontroller in the 78K0/Lx3 family, featuring integrated LCD controller/driver, 64 KB on-chip Flash memory, 4 KB RAM, and 48-pin LQFP package. It operates at up to 20 MHz, supports 10-bit ADC with 12 channels, and targets low-power embedded applications requiring direct segment-based display drive.

For engineers reviewing the UPD78F0413GA(R)-GAM-AX datasheet, UPD78F0413GA(R)-GAM-AX pinout, UPD78F0413GA(R)-GAM-AX application, or UPD78F0413GA(R)-GAM-AX equivalent, key selection considerations include LCD segment/duty support (up to 80 segments × 4 commons), Flash endurance (100,000 write/erase cycles), operating voltage range (1.8–5.5 V), and integrated low-voltage detection circuitry.

Technical Context

The UPD78F0413GA(R)-GAM-AX implements the 78K0 CPU core with 16-bit address space, Harvard architecture, and instruction set compatible with earlier 78K0 devices. It integrates a programmable LCD controller supporting static, 1/2-, 1/3-, and 1/4-duty drive with internal bias generation and adjustable contrast control via VLC pins.

Peripheral integration includes a 16-bit timer array unit (TAU) with capture/compare and PWM output, serial interface (UART/SIO), watchdog timer, and on-chip debug interface. The device uses SuperFlash® technology for Flash memory, enabling fast programming and high reliability across industrial temperature range (−40°C to +85°C).

Key Specifications

Pinout & Package

UPD78F0413GA(R)-GAM-AX is housed in a 48-pin LQFP package (7 mm × 7 mm, 0.5 mm pitch) with exposed thermal pad. Pin functions are defined per Renesas User's Manual Rev.2.00 (R01UH0180EJ0200), Section 1.4.1 and 2.1.1 for 78K0/LC3 group.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar 8-bit microcontroller with integrated LCD driver applications.

Compared with R5F100PLAFB#V0 and UPD78F0403GA(R)-GAM-AX, the UPD78F0413GA(R)-GAM-AX offers double Flash capacity for complex UI logic and retained legacy 78K0 toolchain support, while maintaining identical LCD drive capability and industrial temperature rating - making it optimal for sustaining existing designs or adding feature-rich display functionality without requalification.

Availability

UPD78F0413GA(R)-GAM-AX is available at Aetrix Electronics and suitable for smart thermostats, industrial panel meters, portable medical devices, and appliance control panels requiring stable component supply and long-term industrial lifecycle support.

Supply support for UPD78F0413GA(R)-GAM-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 headquartered in Japan, specializing in microcontrollers, analog, power, and SoC solutions for industrial, automotive, and infrastructure markets.

The 78K0/Lx3 product line delivers cost-optimized 8-bit MCUs with integrated LCD controllers for display-driven embedded systems - designed specifically for applications where segment-based visual feedback, low power, and proven reliability are essential.

FAQ

What is the maximum LCD segment count supported by UPD78F0413GA(R)-GAM-AX?

The UPD78F0413GA(R)-GAM-AX supports up to 80 LCD segments with 4 commons, configurable for static, 1/2-, 1/3-, or 1/4-duty drive. This is achieved using dedicated SEG0–SEG39 pins plus additional segment outputs mapped to port pins (e.g., P10–P17), as documented in Section 1.4.1 and 2.2.14 of the R01UH0180EJ0200 manual. The UPD78F0413GA(R)-GAM-AX's internal LCD controller generates bias voltages and timing signals without external components.

Does UPD78F0413GA(R)-GAM-AX support in-system programming via its debug interface?

Yes, the UPD78F0413GA(R)-GAM-AX supports in-system programming using the on-chip background debug mode (BDM) accessed through FLMD0 and RESET pins. Renesas QB-MINI2 emulator and PG-FP5 programmer fully support Flash programming and verification. The UPD78F0413GA(R)-GAM-AX requires no external bootloader - firmware updates occur directly over the debug interface with full security lock/unlock control.

What is the operating voltage range and associated implications for battery-powered designs using UPD78F0413GA(R)-GAM-AX?

The UPD78F0413GA(R)-GAM-AX operates from 1.8 V to 5.5 V, enabling direct use with single-cell Li-ion (3.0–4.2 V), two alkaline cells (2.4–3.2 V), or regulated 3.3 V supplies. Its low-voltage detection (LVD) circuit has four programmable thresholds (2.7 V, 3.0 V, 3.3 V, 3.6 V) to trigger interrupts or resets before brown-out. This ensures reliable operation and data integrity in UPD78F0413GA(R)-GAM-AX-based portable devices without external supervisor ICs.

How does the ADC performance of UPD78F0413GA(R)-GAM-AX compare to similar 8-bit MCUs in its class?

The UPD78F0413GA(R)-GAM-AX features a 10-bit successive-approximation ADC with 12 input channels and 1.2 μs conversion time at 20 MHz system clock. Integral nonlinearity is ±2 LSB, and it supports sample-and-hold for simultaneous multi-channel acquisition. Compared to entry-level 8-bit MCUs lacking sample hold or with only 8-bit resolution, the UPD78F0413GA(R)-GAM-AX delivers higher precision for sensor interfacing - critical in applications like temperature monitoring where 0.5°C accuracy is required.

Is UPD78F0413GA(R)-GAM-AX pin-compatible with other members of the 78K0/LC3 family?

Yes, the UPD78F0413GA(R)-GAM-AX shares the same 48-pin LQFP package and pinout with other 78K0/LC3 devices including UPD78F0400–UPD78F0412, as confirmed in Section 1.4.1 of the R01UH0180EJ0200 manual. Peripheral register maps, reset behavior, and LCD controller interfaces are functionally identical - enabling hardware reuse across firmware variants. The UPD78F0413GA(R)-GAM-AX differs primarily in Flash size (64 KB) and minor silicon revisions, not pin assignment.