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Renesas UPD78F0454GA(S)-HAB-AX
- Part No.:
- UPD78F0454GA(S)-HAB-AX
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-TQFP
- Datasheet:
-
UPD78F0454GA(S)-HAB-AX.pdf
- Description:
- IC MCU 8BIT 48KB FLASH 64TQFP
- Quantity:
- Payment:
- Shipping:
Inventory:4,594
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Product details
Overview
UPD78F0454GA(S)-HAB-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 memory, 4 KB RAM, and 39 I/O pins. It operates at up to 20 MHz with supply voltage range 2.7–5.5 V and supports industrial temperature range (−40°C to +85°C), targeting embedded control in portable instrumentation and consumer HMI panels.
For engineers reviewing the UPD78F0454GA(S)-HAB-AX datasheet, UPD78F0454GA(S)-HAB-AX pinout, UPD78F0454GA(S)-HAB-AX application, or UPD78F0454GA(S)-HAB-AX equivalent, key selection criteria include LCD segment drive capability (up to 160 segments), on-chip A/D converter (10-bit, 16-channel), real-time counter, and low-power stop modes for battery-powered display interfaces.
Technical Context
The UPD78F0454GA(S)-HAB-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 to 1/4-duty drive with internal bias generation and COM/SEG output drivers capable of direct connection to segment electrodes.
Peripheral integration includes a 16-bit timer array unit (TAU) with capture/compare functions, serial interface (UART/SIO), watchdog timer, and on-chip voltage regulator for internal logic. The device uses SuperFlash® technology for Flash memory, enabling 100,000 write/erase cycles and data retention >20 years at 85°C.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | 78K0 8-bit CISC core, 20 MHz max operation - enables deterministic real-time response in cost-sensitive control loops. |
| Memory | 64 KB Flash + 4 KB RAM - sufficient for standalone firmware with LCD UI, sensor processing, and communication stack. |
| LCD Support | Up to 160 segments (1/4-duty), internal bias - eliminates external LCD bias IC and reduces BOM count in portable displays. |
| A/D Converter | 10-bit resolution, 16 input channels - supports analog sensor monitoring (e.g., temperature, battery voltage) without external ADC. |
| Supply Voltage | 2.7 V to 5.5 V - allows direct operation from single Li-ion cell (with boost) or standard 3.3 V/5 V rails. |
| Operating Temp | −40°C to +85°C - qualified for industrial and extended-temperature consumer equipment deployment. |
| I/O Pins | 39 CMOS bidirectional - provides flexible peripheral routing for keypad, LED indicators, and sensor interfaces. |
Pinout & Package
UPD78F0454GA(S)-HAB-AX is housed in a 64-pin LQFP package (10 mm × 10 mm, 0.5 mm pitch) with exposed thermal pad. Pin assignments conform to Renesas 78K0/LE3 standard layout, including dedicated COM0–COM3 and SEG0–SEG31 terminals for LCD drive, plus P1–P15 port groups with configurable alternate functions.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Core logic and I/O power domain; decoupling required per Renesas layout guidelines. |
| RESET | Active-low reset input | Asynchronous hardware reset; internal pull-up enabled by default; compatible with external RC or supervisor IC. |
| COM0–COM3 | LCD common outputs | Drive LCD backplane electrodes; support static to 1/4-duty multiplexing with internal bias generation. |
| SEG0–SEG31 | LCD segment outputs | Drive LCD frontplane electrodes; sink current up to 10 mA per segment under specified VDD. |
| P10–P17 | Port 1 I/O | Bi-directional general-purpose I/O with NMI, INT, and timer input options; configurable pull-up. |
| FLMD0 | Flash mode select | Configures boot mode at reset; tied high for normal operation; must be stable during power-on reset. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated LCD controller/driver | Direct drive of up to 160-segment LCD without external bias generator or driver IC. |
| On-chip 10-bit A/D converter | 16-channel sampling with built-in reference, enabling analog sensor acquisition without external components. |
| Real-time counter (RTC) | Dedicated 32.768 kHz crystal oscillator input and calendar function - supports timekeeping in low-power modes. |
| Low-power stop modes | Current consumption as low as 0.7 μA in STOP mode with RTC active - extends battery life in portable displays. |
| SuperFlash® memory | 100,000 write/erase cycles and >20-year data retention - ensures field firmware updates over product lifetime. |
Applications
| Portable Medical Instrument Displays | Industrial Panel Meters |
|---|---|
Use Scenario: Battery-powered handheld blood glucose meter with segmented LCD display and button interface. IC Role / Device Role / Timing Role: Main system controller managing LCD refresh, button scan, analog sensor readout, and low-power sleep/wake cycles. Use Value: Integrated LCD driver and 10-bit A/D eliminate two external ICs; 0.7 μA STOP mode extends single-cell battery life beyond 1 year. | Use Scenario: DIN-rail mounted panel meter displaying voltage/current readings with local keypad and backlight control. IC Role / Device Role / Timing Role: Primary MCU handling measurement acquisition, display update, and user input processing in harsh industrial environments. Use Value: −40°C to +85°C rating and 64 KB Flash support robust firmware with calibration tables and communication protocols (e.g., Modbus RTU). |
| Smart Home Thermostat Interfaces | Appliance Control Panels |
Use Scenario: Wall-mounted HVAC thermostat with 4-digit segmented LCD, temperature sensor, and rotary encoder input. IC Role / Device Role / Timing Role: System-on-chip managing sensor reading, display rendering, encoder debouncing, and relay control timing. Use Value: 39 I/O pins accommodate encoder, buttons, relays, and sensor interfaces; RTC enables accurate scheduling and time-based control. | Use Scenario: Microwave oven or washing machine control panel with multi-segment LCD, touch keys, and motor driver interface. IC Role / Device Role / Timing Role: Embedded controller coordinating user interface, safety interlocks, and appliance subsystem timing. Use Value: On-chip voltage regulator and Flash endurance ensure reliable operation across repeated power cycles and thermal stress. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 8-bit microcontroller applications with integrated LCD drivers.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F100PLGSP | RL78/G13 core, 32 KB Flash, 4 KB RAM, same 64-pin LQFP but different pin mapping and LCD segment count (max 128) | Limited segment drive and reduced memory; requires PCB redesign due to non-pin-compatible pinout | Select when migrating to RL78 platform with toolchain continuity and lower power in active mode |
| UPD78F0455GA(S)-HAB-AX | Same 78K0/LE3 family, identical package and pinout, but with 96 KB Flash and 6 KB RAM | Higher memory capacity for larger UIs or protocol stacks; otherwise drop-in replacement | Choose for future-proofing firmware growth without layout change |
Compared with UPD78F0454GA(S)-HAB-AX, R5F100PLGSP offers newer architecture and lower active current but requires firmware porting and board revision, while UPD78F0455GA(S)-HAB-AX delivers immediate memory headroom with zero hardware changes.
Availability
UPD78F0454GA(S)-HAB-AX is available at Aetrix Electronics and suitable for portable medical instruments, industrial panel meters, smart home thermostats, and appliance control panels requiring stable component supply and long-term lifecycle support.
Supply support for UPD78F0454GA(S)-HAB-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 manufacturer headquartered in Japan, specializing in microcontrollers, analog, power, and SoC solutions for industrial, automotive, and consumer markets.
The 78K0/LE3 product line targets cost-optimized, low-power embedded systems requiring integrated peripherals - especially LCD display control, analog sensing, and real-time operation in resource-constrained designs.
FAQ
What is the maximum LCD segment count supported by UPD78F0454GA(S)-HAB-AX?
UPD78F0454GA(S)-HAB-AX supports up to 160 LCD segments in 1/4-duty configuration using its integrated LCD controller/driver. This is achieved via four COM outputs (COM0–COM3) and up to 32 SEG outputs (SEG0–SEG31), allowing flexible segment assignment for alphanumeric or custom symbol displays without external driver ICs.
Does UPD78F0454GA(S)-HAB-AX include an on-chip A/D converter, and what are its specifications?
Yes, UPD78F0454GA(S)-HAB-AX includes a 10-bit successive-approximation A/D converter with 16 input channels. It supports internal reference voltage (VREF = AVDD) or external reference, programmable conversion clock, and scan mode for sequential channel sampling - enabling direct interface to temperature sensors, potentiometers, or battery monitors.
What package type and pin count does UPD78F0454GA(S)-HAB-AX use?
UPD78F0454GA(S)-HAB-AX is supplied in a 64-pin LQFP package (10 mm × 10 mm, 0.5 mm pitch) with exposed thermal pad. This package matches the 78K0/LE3 family standard pinout, ensuring compatibility with existing 78K0 design layouts and evaluation boards.
Is UPD78F0454GA(S)-HAB-AX qualified for industrial temperature operation?
Yes, UPD78F0454GA(S)-HAB-AX is rated for operation from −40°C to +85°C ambient temperature. This qualification aligns with Renesas' "Standard" quality grade, making it suitable for industrial automation, building controls, and consumer appliances where extended thermal performance is required.
What development tools are officially supported for UPD78F0454GA(S)-HAB-AX firmware creation?
Officially supported tools for UPD78F0454GA(S)-HAB-AX include RA78K0 assembler (Ver. 3.80/4.01), CC78K0 C compiler (Ver. 3.70/4.00), ID78K0-QB debugger, and QB-MINI2 on-chip debug emulator. These tools integrate with PM+ IDE and support Flash programming via on-chip bootloader or PG-FP5 programmer.
UPD78F0454GA(S)-HAB-AX Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 64-TQFP
- 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:
- 48KB (48K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 2K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.8V ~ 5.5V
- Data Converters:
- A/D 8x10b SAR
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
UPD78F0454GA(S)-HAB-AX FAQ
1.How can I place an order for UPD78F0454GA(S)-HAB-AX through Aetrix?
Please submit a Request for Quotation (RFQ) for UPD78F0454GA(S)-HAB-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 UPD78F0454GA(S)-HAB-AX reliable?
The price and inventory of UPD78F0454GA(S)-HAB-AX are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for UPD78F0454GA(S)-HAB-AX is usually 5 days.
3.What payment methods are accepted for UPD78F0454GA(S)-HAB-AX?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for UPD78F0454GA(S)-HAB-AX transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for UPD78F0454GA(S)-HAB-AX?
UPD78F0454GA(S)-HAB-AX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your UPD78F0454GA(S)-HAB-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 UPD78F0454GA(S)-HAB-AX?
For technical support, including UPD78F0454GA(S)-HAB-AX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your UPD78F0454GA(S)-HAB-AX requirements.
6.How does Aetrix verify that UPD78F0454GA(S)-HAB-AX is sourced from the original manufacturer or authorized distributors?
All UPD78F0454GA(S)-HAB-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 UPD78F0454GA(S)-HAB-AX meets industry standards.
7.What is the process for return or replacement of UPD78F0454GA(S)-HAB-AX?
All UPD78F0454GA(S)-HAB-AX units undergo pre-shipment inspection (PSI). If there is an issue with UPD78F0454GA(S)-HAB-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 UPD78F0454GA(S)-HAB-AX part is unused and in its original packaging.
Return procedure for UPD78F0454GA(S)-HAB-AX:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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