My Inquiry
My Account
Renesas UPD78F0441GB(R)-GAH-AX
- Part No.:
- UPD78F0441GB(R)-GAH-AX
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
UPD78F0441GB(R)-GAH-AX.pdf
- Description:
- IC MCU 8BIT 16KB FLASH 64LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:3,437
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
UPD78F0441GB(R)-GAH-AX from Renesas Electronics is an 8-bit single-chip microcontroller in the 78K0/LE3 family, featuring integrated LCD controller/driver, 64 KB on-chip Flash, 4 KB RAM, and 29 I/O pins in a 64-pin LQFP package. It operates at up to 20 MHz, supports 10-bit ADC (8 channels), UART, I²C, and timer peripherals, and targets embedded control applications with direct segment/COM LCD drive capability.
For engineers reviewing the UPD78F0441GB(R)-GAH-AX datasheet, UPD78F0441GB(R)-GAH-AX pinout, UPD78F0441GB(R)-GAH-AX application, or UPD78F0441GB(R)-GAH-AX equivalent, key selection considerations include LCD segment drive count (up to 288 segments), Flash endurance (100,000 write/erase cycles), operating voltage range (2.7–5.5 V), and industrial temperature grade (−40°C to +85°C).
Technical Context
The UPD78F0441GB(R)-GAH-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 multifunction timer (TM00/TM01) with capture/compare/PWM, a watchdog timer with independent clock source, and a real-time counter (RTC) with calendar function. The device uses SuperFlash® technology for Flash memory, enabling fast programming and high reliability without external high-voltage supply.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | 78K0 8-bit CISC core, 20 MHz max operation, 1.15 DMIPS/MHz |
| Memory | 64 KB on-chip Flash (programmable in-system), 4 KB RAM, 1 KB data Flash |
| LCD Support | Up to 288 segments × 4 commons; static to 1/4-duty; internal VLCD generator |
| Analog Peripherals | 10-bit ADC with 8 input channels, 12.5 μs conversion time, selectable reference |
| Communication | UART (2 channels), I²C bus interface (1 channel), CSI (1 channel) |
| Timers | 16-bit multifunction timer (2 units), 8-bit interval timer, watchdog timer, RTC with calendar |
| Supply & Temp | 2.7–5.5 V operation; −40°C to +85°C industrial grade; 64-pin LQFP (10 mm × 10 mm) |
Pinout & Package
UPD78F0441GB(R)-GAH-AX is housed in a 64-pin LQFP (10 mm × 10 mm, 0.5 mm pitch) package with exposed thermal pad. Pin functions are defined per Renesas User's Manual Rev.2.00 (R01UH0180EJ0200), Section 2.1.3 (78K0/LE3 Pin Function List) and Section 1.4.3 (Pin Configuration).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Dual VDD/VSS pairs ensure stable core and I/O rail decoupling; separate analog ground (AVSS) referenced to ADC/LCD |
| COM0–COM7 | LCD common outputs | Drive up to 8 LCD commons; support 1/2–1/4 duty drive; sink current up to 10 mA per pin |
| SEG0–SEG31 | LCD segment outputs | Drive up to 32 dedicated segment lines; combined with COMx enable full 288-segment support via time-multiplexing |
| VLC0–VLC3 | LCD voltage control | Configure internal LCD bias voltage (VLCD) and contrast via resistor ladder or DAC-like selection |
| P10–P17, P20–P27, etc. | Multi-function I/O ports | 29 total general-purpose I/O pins; configurable as CMOS input/output, N-ch open-drain, or peripheral function (UART/I²C/timer) |
| RESET | Active-low reset input | Asynchronous reset with internal pull-up; accepts external reset signal or watchdog timeout assertion |
Key Features
| Feature | Design Value |
|---|---|
| LCD Controller Integration | Eliminates external LCD driver IC; reduces BOM cost and PCB area for segment-based displays in appliances and instrumentation |
| Data Flash Emulation | 1 KB on-chip data Flash enables EEPROM-like nonvolatile storage for calibration data or user settings without external serial EEPROM |
| Low-Power RTC | Real-time counter with calendar function operates from sub-VAUX supply (1.8–3.6 V), enabling battery-backed timekeeping during main power-off |
| On-Chip Debug Support | Fully supported by QB-MINI2 emulator; enables flash programming, breakpoint setting, and register inspection without external debug header |
| Industrial Temperature Range | Rated for −40°C to +85°C operation; qualified per Renesas "Standard" quality grade for industrial and consumer equipment |
Applications
| Home Appliance Control Panel | Industrial HMI Display Module |
|---|---|
Use Scenario: Microwave oven or washing machine front panel with 4-digit 7-segment + icon LCD display and tactile button interface. IC Role / Device Role / Timing Role: Primary system controller executing UI logic, driving LCD segments/COMs directly, scanning keypad inputs, and managing appliance state machine. Use Value: Reduces component count by integrating LCD driver and Flash memory; eliminates need for external display controller and EEPROM for mode settings. | Use Scenario: Compact factory-floor status monitor with 128×64 dot-matrix-capable segment LCD and RS-485 communication interface. IC Role / Device Role / Timing Role: Standalone HMI controller handling local display refresh, sensor data polling via ADC, and protocol translation between Modbus RTU and local peripherals. Use Value: Enables full display control with minimal external components; RTC maintains timestamped event logs even during main power interruption. |
| Medical Device Parameter Display | Smart Energy Meter Interface |
Use Scenario: Portable blood pressure monitor with dual-line alphanumeric LCD and analog front-end for cuff pressure sensing. IC Role / Device Role / Timing Role: System-on-chip managing analog signal acquisition (ADC), LCD rendering, button debouncing, and low-power sleep/wake cycles. Use Value: Integrated 10-bit ADC and LCD driver meet accuracy and readability requirements while minimizing power consumption (<1.5 mA active, <1 μA RTC-only mode). | Use Scenario: DIN-rail mounted electricity meter with segmented LCD showing kWh, voltage, current, and tariff information. IC Role / Device Role / Timing Role: Dedicated display subsystem controller interfacing with main metering SoC via SPI, updating LCD content, and maintaining tamper-proof time/date stamp. Use Value: Data Flash stores billing cycle data and firmware update flags; LCD controller ensures consistent contrast across temperature variations in uncontrolled environments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 8-bit microcontroller with integrated LCD driver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F100PLGSP#30 | RL78/G13-based; 32 KB Flash, 4 KB RAM, same 64-pin LQFP; lower power (0.52 μA STOP mode), no data Flash | Targets ultra-low-power portable devices; lacks dedicated data Flash for parameter storage | Select when standby current <1 μA is critical and external EEPROM is acceptable for configuration data |
| UPD78F0533GC-GAD-AX | 78K0/LF3 family; 128 KB Flash, 8 KB RAM, 80-pin LQFP; adds CAN interface and extra timers | Suitable for more complex control systems requiring fieldbus connectivity and expanded I/O | Select when CAN bus integration and larger memory footprint justify larger package and higher cost |
Compared with UPD78F0441GB(R)-GAH-AX, R5F100PLGSP#30 offers superior low-power performance but sacrifices on-chip data Flash, while UPD78F0533GC-GAD-AX provides greater memory and CAN capability at the expense of pin count and layout compatibility.
Availability
UPD78F0441GB(R)-GAH-AX is available at Aetrix Electronics and suitable for home appliance control panels, industrial HMI modules, medical device displays, and smart energy meter interfaces requiring stable component supply, long-term lifecycle support, and industrial-grade temperature operation.
Supply support for UPD78F0441GB(R)-GAH-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 automotive, industrial, and IoT markets.
The 78K0/LE3 product line delivers cost-optimized 8-bit MCUs with integrated LCD controllers for applications demanding reliable segment-based display control without external driver ICs.
FAQ
What is the maximum LCD segment count supported by UPD78F0441GB(R)-GAH-AX?
The UPD78F0441GB(R)-GAH-AX supports up to 288 LCD segments using its integrated controller with 8 commons (COM0–COM7) and time-multiplexed segment drive. This is achieved through dedicated SEG0–SEG31 pins and internal scan logic, enabling direct drive of alphanumeric and icon-based displays without external hardware.
Does UPD78F0441GB(R)-GAH-AX include on-chip nonvolatile memory for data storage?
Yes, UPD78F0441GB(R)-GAH-AX includes 1 KB of on-chip data Flash memory, which supports EEPROM emulation for storing calibration values, user preferences, or operational logs. This eliminates the need for external serial EEPROM in many embedded designs while maintaining 100,000 write/erase cycle endurance.
What development tools are officially supported for UPD78F0441GB(R)-GAH-AX firmware programming?
UPD78F0441GB(R)-GAH-AX is fully supported by Renesas' QB-MINI2 on-chip debug emulator and PG-FP5 Flash memory programmer. Software toolchain includes RA78K0 assembler (Ver.4.01), CC78K0 C compiler (Ver.4.00), and ID78K0-QB debugger, all documented in U17199E, U17200E, and U18330E respectively.
What is the operating voltage range and temperature grade of UPD78F0441GB(R)-GAH-AX?
UPD78F0441GB(R)-GAH-AX operates over a supply voltage range of 2.7 V to 5.5 V and is rated for industrial temperature range (−40°C to +85°C). It conforms to Renesas' "Standard" quality grade, making it suitable for office equipment, home appliances, and industrial automation systems per documentation in C11531E.
How does the LCD controller in UPD78F0441GB(R)-GAH-AX handle contrast adjustment?
The UPD78F0441GB(R)-GAH-AX LCD controller supports contrast adjustment via four dedicated VLC0–VLC3 pins, which configure internal resistor-ladder bias voltage (VLCD). External resistors or DAC output can be connected to these pins to fine-tune segment-to-common voltage ratio across varying temperatures and display types.
UPD78F0441GB(R)-GAH-AX Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 64-LQFP
- Series:
- 78K0/Lx3
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- 78K/0
- Core Size:
- 8-Bit
- Speed:
- 10MHz
- Connectivity:
- 3-Wire SIO, LINbus, UART/USART
- Peripherals:
- LCD, LVD, POR, PWM, WDT
- Number of I/O:
- 46
- Program Memory Size:
- 16KB (16K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 768 x 8
- Voltage - Supply (Vcc/Vdd):
- 1.8V ~ 5.5V
- Data Converters:
- -
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
UPD78F0441GB(R)-GAH-AX FAQ
1.How can I place an order for UPD78F0441GB(R)-GAH-AX through Aetrix?
Please submit a Request for Quotation (RFQ) for UPD78F0441GB(R)-GAH-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 UPD78F0441GB(R)-GAH-AX reliable?
The price and inventory of UPD78F0441GB(R)-GAH-AX are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for UPD78F0441GB(R)-GAH-AX is usually 5 days.
3.What payment methods are accepted for UPD78F0441GB(R)-GAH-AX?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for UPD78F0441GB(R)-GAH-AX transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for UPD78F0441GB(R)-GAH-AX?
UPD78F0441GB(R)-GAH-AX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your UPD78F0441GB(R)-GAH-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 UPD78F0441GB(R)-GAH-AX?
For technical support, including UPD78F0441GB(R)-GAH-AX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your UPD78F0441GB(R)-GAH-AX requirements.
6.How does Aetrix verify that UPD78F0441GB(R)-GAH-AX is sourced from the original manufacturer or authorized distributors?
All UPD78F0441GB(R)-GAH-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 UPD78F0441GB(R)-GAH-AX meets industry standards.
7.What is the process for return or replacement of UPD78F0441GB(R)-GAH-AX?
All UPD78F0441GB(R)-GAH-AX units undergo pre-shipment inspection (PSI). If there is an issue with UPD78F0441GB(R)-GAH-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 UPD78F0441GB(R)-GAH-AX part is unused and in its original packaging.
Return procedure for UPD78F0441GB(R)-GAH-AX:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
UPD78F0441GB(R)-GAH-AX 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…
