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Renesas UPD78F0452GA-HAB-AX
- Part No.:
- UPD78F0452GA-HAB-AX
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-TQFP
- Datasheet:
-
UPD78F0452GA-HAB-AX.pdf
- Description:
- IC MCU 8BIT 24KB FLASH 64TQFP
- Quantity:
- Payment:
- Shipping:
Inventory:4,266
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Product details
Overview
UPD78F0452GA-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, supports 10-bit ADC with 12 channels, and targets low-power industrial and consumer instrumentation with segment-based displays.
For engineers reviewing the UPD78F0452GA-HAB-AX datasheet, UPD78F0452GA-HAB-AX pinout, UPD78F0452GA-HAB-AX application, or UPD78F0452GA-HAB-AX equivalent, key selection criteria include LCD segment drive capability (up to 128 segments), Flash endurance (100,000 write/erase cycles), and support for real-time counter, serial interface (UART/SIO), and low-voltage detection (1.8–5.5 V operation).
Technical Context
The UPD78F0452GA-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 12-channel 10-bit successive-approximation ADC, 8-bit D/A converter, and programmable LCD bias generator supporting static to 1/4-duty, 1/3-bias configurations.
Its peripheral set includes three 16-bit timer/counters (with input capture/output compare), UART/SIO serial interface, watchdog timer, and on-chip power-on reset circuit. The device uses SuperFlash® technology for Flash memory, enabling fast programming and high reliability in embedded control applications requiring display and analog sensing.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | 78K0 8-bit CISC core, 20 MHz max clock, 16-bit address bus |
| Memory | 64 KB on-chip Flash (100k cycle endurance), 4 KB RAM, 1 KB data flash |
| LCD Support | Up to 128 segments × 4 commons; programmable bias (1/2–1/4 duty, 1/2–1/3 bias) |
| ADC | 12-channel 10-bit SAR ADC, 1.2 μs conversion time, internal reference (1.45 V) |
| I/O Pins | 39 CMOS bidirectional I/O pins with pull-up options, 5 V tolerant inputs |
| Supply Range | 1.8 V to 5.5 V operation; low-voltage detection (LVD) with 4 selectable thresholds |
| Package | 80-pin LQFP (12 mm × 12 mm, 0.5 mm pitch), RoHS-compliant |
Pinout & Package
UPD78F0452GA-HAB-AX is housed in an 80-pin LQFP package (12 mm × 12 mm, 0.5 mm pitch) 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 (digital) and AVDD (analog) pins enable noise-isolated analog operation |
| P10–P17, P20–P27, etc. | General-purpose I/O ports | 39 total I/O pins configurable as input/output with pull-up; some support alternate functions (UART, timer, ADC) |
| COM0–COM7 | LCD common outputs | Drive up to 8 LCD commons; support static, 1/2-, 1/3-, or 1/4-duty drive modes |
| SEG0–SEG127 | LCD segment outputs | Multiplexed segment drivers; up to 128 segments supported via port mapping and LCD control registers |
| RESET | Active-low reset input | Asynchronous reset with internal pull-up; accepts external reset signal or internal POR/LVD assertion |
Key Features
| Feature | Design Value |
|---|---|
| LCD controller/driver integration | Eliminates external LCD driver IC; reduces BOM count and PCB area in display-centric designs |
| On-chip data flash (1 KB) | Enables nonvolatile parameter storage (e.g., calibration data, user settings) without external EEPROM |
| Real-time counter (RTC) | Independent 32.768 kHz clock domain with calendar function; retains time during STOP mode |
| Low-power STOP mode | Consumes ≤1.0 μA typical at 3.0 V; wake-up via external interrupt, RTC alarm, or LVD event |
| Hardware UART + SIO | Full-duplex UART with framing error detection and synchronous serial I/O for sensor/EEPROM interfacing |
Applications
| Industrial Panel Meter | Home Appliance Control |
|---|---|
Use Scenario: Digital panel meter measuring voltage, current, or temperature with local LCD readout and keypad input. IC Role / Device Role / Timing Role: Main system controller executing measurement algorithms, driving 4-digit 7-segment or dot-matrix LCD, managing user interface and serial communication to host. Use Value: Integrated LCD driver and 12-channel ADC reduce component count; 64 KB Flash accommodates firmware with calibration routines and communication protocols. | Use Scenario: Microwave oven or washing machine control board managing motor sequencing, sensor monitoring, and segmented display. IC Role / Device Role / Timing Role: Primary MCU handling safety interlocks, real-time cooking cycle timing, and dynamic segment activation for status indicators. Use Value: STOP mode current ≤1.0 μA enables battery-backed clock; LVD ensures safe shutdown during brownout conditions. |
| Portable Medical Instrument | Smart Energy Monitor |
Use Scenario: Handheld blood glucose meter or pulse oximeter with LCD, button interface, and analog front-end. IC Role / Device Role / Timing Role: Signal acquisition controller digitizing sensor outputs via 10-bit ADC, storing results in data flash, and updating LCD with measurement history. Use Value: On-chip 1.45 V ADC reference improves measurement consistency; 39 I/O pins support multi-button UI and LED indicators without GPIO expansion. | Use Scenario: DIN-rail mounted energy monitor displaying voltage, current, kWh, and power factor on segmented LCD. IC Role / Device Role / Timing Role: Data concentrator acquiring CT/PT signals, computing RMS values, and refreshing display every 500 ms using RTC-triggered interrupts. Use Value: 128-segment LCD support enables multi-parameter display; UART allows Modbus RTU communication to building management systems. |
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 | RL78/G13 core; 32 KB Flash, 4 KB RAM; same 80-pin LQFP but different pinout and register map | Requires firmware porting; lacks dedicated LCD bias generator but supports software-configurable LCD drive | Select when migrating to RL78 platform for lower active current (125 μA/MHz) and enhanced ESD immunity |
| UPD78F0533GA-GAH-AX | Same 78K0/LE3 family; 128 KB Flash, 6 KB RAM, additional CAN module and more timers | Pin-compatible with UPD78F0452GA-HAB-AX in 80-pin LQFP; identical LCD/ADC/peripheral register layout | Choose for future-proofing with larger code space and CAN bus support while retaining hardware compatibility |
Compared with UPD78F0452GA-HAB-AX, R5F100PLGSP offers lower power and modern toolchain support but requires redesign; UPD78F0533GA-GAH-AX provides seamless upgrade path with extended memory and CAN, preserving PCB layout and firmware structure.
Availability
UPD78F0452GA-HAB-AX is available at Aetrix Electronics and suitable for industrial panel meters, home appliance controllers, portable medical instruments, and smart energy monitors requiring stable component supply and long-term manufacturability.
Supply support for UPD78F0452GA-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 Japanese semiconductor manufacturer specializing in microcontrollers, analog, power, and SoC solutions for industrial, automotive, and consumer markets.
The 78K0/LE3 product line delivers cost-optimized 8-bit MCUs with integrated LCD drivers and analog peripherals for display-oriented embedded control applications in appliances, instrumentation, and healthcare devices.
FAQ
What is the maximum LCD segment count supported by UPD78F0452GA-HAB-AX?
The UPD78F0452GA-HAB-AX supports up to 128 LCD segments using its integrated controller/driver, configured across COM0–COM7 (8 commons) and multiplexed segment outputs. This enables full alphanumeric or custom symbol displays in 1/4-duty drive mode, verified in Renesas User's Manual Section 1.7 and Figure 1.12.
Does UPD78F0452GA-HAB-AX include on-chip debug support?
Yes, UPD78F0452GA-HAB-AX supports on-chip debugging via the single-wire debug interface compatible with QB-MINI2 and ID78K0-QB tools. Debug features include breakpoint setting, register inspection, and Flash programming - all documented in Renesas Application Note U18371E and User's Manual Section 4.3.
What is the operating voltage range for UPD78F0452GA-HAB-AX?
UPD78F0452GA-HAB-AX operates from 1.8 V to 5.5 V over the industrial temperature range (−40°C to +85°C). Its low-voltage detection (LVD) circuit offers four programmable threshold levels (2.4 V, 2.7 V, 3.0 V, 3.3 V) to trigger reset or interrupt before functional failure, per Electrical Specifications Table 5.1 in the datasheet.
Can UPD78F0452GA-HAB-AX execute code from RAM?
No, UPD78F0452GA-HAB-AX executes code only from on-chip Flash memory. Its Harvard architecture separates program and data spaces; the 4 KB RAM is used exclusively for variables, stack, and heap. Code execution from RAM is not supported in the 78K0/LE3 architecture, as confirmed in CPU Architecture Chapter 3 of the User's Manual.
Is UPD78F0452GA-HAB-AX RoHS compliant and lead-free?
Yes, UPD78F0452GA-HAB-AX is RoHS compliant and lead-free, as specified in Renesas' Semiconductor Selection Guide (R01CS0001E) and confirmed by the "-AX" suffix in the part number, which denotes lead-free packaging per Renesas standard ordering nomenclature.
UPD78F0452GA-HAB-AX Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 64-TQFP
- Series:
- 78K0/Lx3
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- 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:
- 24KB (24K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 1K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.8V ~ 5.5V
- Data Converters:
- A/D 8x10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
UPD78F0452GA-HAB-AX FAQ
1.How can I place an order for UPD78F0452GA-HAB-AX through Aetrix?
Please submit a Request for Quotation (RFQ) for UPD78F0452GA-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 UPD78F0452GA-HAB-AX reliable?
The price and inventory of UPD78F0452GA-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 UPD78F0452GA-HAB-AX is usually 5 days.
3.What payment methods are accepted for UPD78F0452GA-HAB-AX?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for UPD78F0452GA-HAB-AX transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for UPD78F0452GA-HAB-AX?
UPD78F0452GA-HAB-AX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your UPD78F0452GA-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 UPD78F0452GA-HAB-AX?
For technical support, including UPD78F0452GA-HAB-AX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your UPD78F0452GA-HAB-AX requirements.
6.How does Aetrix verify that UPD78F0452GA-HAB-AX is sourced from the original manufacturer or authorized distributors?
All UPD78F0452GA-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 UPD78F0452GA-HAB-AX meets industry standards.
7.What is the process for return or replacement of UPD78F0452GA-HAB-AX?
All UPD78F0452GA-HAB-AX units undergo pre-shipment inspection (PSI). If there is an issue with UPD78F0452GA-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 UPD78F0452GA-HAB-AX part is unused and in its original packaging.
Return procedure for UPD78F0452GA-HAB-AX:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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