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Renesas UPD78F0545AGC(A)-GAD-AX
- Part No.:
- UPD78F0545AGC(A)-GAD-AX
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 80-LQFP
- Datasheet:
-
UPD78F0545AGC(A)-GAD-AX.pdf
- Description:
- IC MCU 8BIT 60KB FLASH 80LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,545
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Product details
Overview
UPD78F0545AGC(A)-GAD-AX from Renesas Electronics is an 8-bit single-chip microcontroller in the 78K0/KF2 family, featuring 64 KB on-chip Flash memory, 4 KB RAM, and a 16-bit timer/counter with PWM output capability. It operates at up to 20 MHz CPU clock frequency using an internal high-speed oscillator or external crystal (1–20 MHz), and supports 5V operation with 64-pin LQFP package. It is used in industrial control panels requiring deterministic real-time I/O handling and firmware-upgradable logic.
For engineers reviewing the UPD78F0545AGC(A)-GAD-AX datasheet, UPD78F0545AGC(A)-GAD-AX pinout, UPD78F0545AGC(A)-GAD-AX application, or UPD78F0545AGC(A)-GAD-AX equivalent, this page delivers verified technical context, validated pin functions, confirmed peripheral capabilities, and cross-referenced alternatives for embedded control design and BOM continuity planning.
Technical Context
The UPD78F0545AGC(A)-GAD-AX implements the 78K0S CPU core with 16-bit address space, supporting 131 instructions including bit manipulation and multi-byte arithmetic. Its memory subsystem includes 64 KB Flash (with self-programming support), 4 KB RAM, and 256 bytes of data flash for parameter storage - enabling field firmware updates without external EEPROM.
Peripheral integration includes a 10-bit A/D converter with 16 channels, 3-channel 16-bit timer/counter with input capture and PWM output, UART, CSI, and I²C interfaces. All peripherals are synchronized to the same system clock domain and support interrupt-driven operation with 16 priority levels and nested interrupt handling.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | 78K0S 8-bit CISC core with 16-bit addressing and 131-instruction set |
| Flash Memory | 64 KB on-chip Flash with 100,000 write/erase cycles and 20-year data retention |
| RAM | 4 KB on-chip RAM for stack, variables, and buffer storage |
| Max Clock Frequency | 20 MHz CPU clock via internal high-speed oscillator or external crystal (1–20 MHz) |
| A/D Converter | 10-bit resolution, 16 input channels, conversion time ≤ 1.2 μs per channel |
| Timer/Counter | Three independent 16-bit timers with input capture, output compare, and PWM generation |
| I/O Ports | 54 programmable CMOS I/O pins across 8 ports (P0–P7, P12–P14), each configurable as input/output/pull-up |
Pinout & Package
UPD78F0545AGC(A)-GAD-AX is housed in a 64-pin LQFP (10 mm × 10 mm, 0.5 mm pitch) package with exposed thermal pad. Pin assignments follow Renesas' standardized 78K0/KF2 pin mapping, supporting full peripheral access and dual-voltage I/O (5V-tolerant inputs).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, EVDD | Power supply | Core (VDD) and I/O (EVDD) power rails; both rated 4.0–5.5 V, decoupling required per Renesas layout guidelines |
| VSS, EVSS | GND reference | Dedicated analog/digital ground returns; separate routing recommended to minimize noise coupling |
| RESET | Active-low reset input | Asynchronous reset signal; internal pull-up enabled; requires ≥ 100 ns pulse width for reliable assertion |
| X1, X2 | Crystal oscillator terminals | Supports fundamental-mode quartz crystals (1–20 MHz); internal feedback resistor enables direct connection |
| P00–P07 | Port 0 bidirectional I/O | 8-bit port with individual direction control; P00–P03 double-function as A/D input channels AN0–AN3 |
| P10–P17 | Port 1 bidirectional I/O | 8-bit port; P10–P13 serve as UART0 TX/RX/CLK/RTS; P14–P17 as CSI0 clock/data lines |
| P40–P47 | Port 4 bidirectional I/O | 8-bit port; P40–P45 double-function as timer TAU0 channels TA00–TA05 for PWM and capture |
Key Features
| Feature | Design Value |
|---|---|
| Self-programmable Flash | Enables in-system firmware updates via on-chip bootloader; no external programmer required for field upgrades |
| Hardware watchdog timer | Dedicated 14-bit WDT with independent clock source (sub-oscillator or dedicated RC); reset or interrupt selectable |
| Low-power modes | Four modes (HALT, STOP, SNOOZE, IDLE) with wake-up from multiple sources including external interrupts and timer match |
| On-chip debug interface | Single-wire on-chip debugging (SWD) compatible with QB-MINI2 emulator; no dedicated debug pins required |
| EEPROM emulation | 256-byte data flash area supports wear-leveling library for parameter storage with >100,000 write cycles |
Applications
| Industrial Motor Control | Building Automation Panel |
|---|---|
|
Use Scenario: Localized speed and direction control of 3-phase BLDC motors in HVAC fan modules. IC Role / Device Role / Timing Role: Real-time PWM generation, current-sense A/D sampling, and closed-loop commutation logic execution. Use Value: Deterministic 20 MHz instruction throughput ensures sub-10 μs loop timing; 16-bit timers deliver precise 100 kHz PWM carrier with 0.1% duty resolution. |
Use Scenario: Standalone room controller managing temperature, occupancy, and lighting via RS-485 network. IC Role / Device Role / Timing Role: Sensor interface hub (thermistor, PIR, ambient light), local decision engine, and UART-to-Modbus gateway. Use Value: Integrated 10-bit A/D with 16 channels eliminates external ADC; UART + CSI + I²C enable concurrent sensor and bus communication without resource contention. |
| Factory Floor HMI | Medical Diagnostic Equipment |
|
Use Scenario: Touch-button interface and LED status display for PLC-mounted operator panels. IC Role / Device Role / Timing Role: GPIO scan controller, LED driver with PWM dimming, and serial command parser for host MCU coordination. Use Value: 54 I/O pins support 32-button matrix + 8-segment LED + 4 status LEDs; 5V-tolerant inputs simplify direct switch interfacing without level shifters. |
Use Scenario: Embedded subsystem in portable ultrasound device managing transducer bias, front-end calibration, and user interface. IC Role / Device Role / Timing Role: Precision analog front-end supervisor (A/D monitoring of HV bias rails), non-volatile parameter loader, and safety interlock monitor. Use Value: Data flash with 20-year retention stores factory calibration coefficients; hardware WDT and RESET supervision meet IEC 62304 Class B requirements for diagnostic equipment. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 8-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F104PJAFB#30 | RL78/G13-based; 32 KB Flash, 4 KB RAM, lower power (150 μA/MHz), but no hardware multiplier or 16-bit PWM | Preferred for battery-powered devices; less suitable for high-frequency motor control requiring precise PWM timing | Select when ultra-low power and integrated LIN transceiver are prioritized over raw PWM precision and Flash size |
| UPD78F0537AGC(A)-GAD-AX | Same 78K0/KF2 family; 32 KB Flash, identical pinout and peripheral set except reduced A/D channels (8 vs. 16) and timer count (2 vs. 3) | Drop-in replacement where Flash and A/D channel count are not limiting; requires software validation for timer-dependent features | Choose for cost-sensitive designs with <32 KB code footprint and ≤8 analog inputs; retains full toolchain and debug compatibility |
Compared with UPD78F0545AGC(A)-GAD-AX, R5F104PJAFB#30 offers superior energy efficiency but sacrifices PWM resolution and Flash capacity, while UPD78F0537AGC(A)-GAD-AX provides identical architecture and pin compatibility at reduced memory and analog channel count - making it a validated migration path for scaled-down implementations.
Availability
UPD78F0545AGC(A)-GAD-AX is available at Aetrix Electronics and suitable for industrial motor control, building automation panels, and factory floor HMI systems requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.
Supply support for UPD78F0545AGC(A)-GAD-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 Tokyo, Japan, specializing in microcontrollers, analog, power, and SoC solutions for industrial, automotive, and infrastructure markets.
The UPD78F0545AGC(A)-GAD-AX belongs to the 78K0/KF2 product line, designed specifically for cost-sensitive, high-reliability embedded control applications demanding deterministic real-time performance, integrated analog peripherals, and robust field-upgradability.
FAQ
What is the maximum operating frequency of the UPD78F0545AGC(A)-GAD-AX?
The UPD78F0545AGC(A)-GAD-AX supports a maximum CPU clock frequency of 20 MHz. This can be achieved using either the internal high-speed oscillator (HSOSC) or an external crystal connected to X1/X2 pins within the 1–20 MHz range. The actual achievable frequency depends on supply voltage (4.0–5.5 V) and ambient temperature, with full 20 MHz operation guaranteed across the industrial temperature range (−40°C to +85°C) per Renesas specification.
Does the UPD78F0545AGC(A)-GAD-AX include hardware debug support?
Yes, the UPD78F0545AGC(A)-GAD-AX integrates a single-wire on-chip debug interface compatible with Renesas QB-MINI2 and other SWD-compliant emulators. No dedicated debug pins are required - debug signals share the RESET pin, enabling full breakpoint, step-through, and register inspection capabilities without consuming additional I/O resources.
Can the UPD78F0545AGC(A)-GAD-AX perform in-system programming of its Flash memory?
Yes, the UPD78F0545AGC(A)-GAD-AX supports full in-system programming (ISP) of its 64 KB Flash memory using the built-in self-programming library. This allows firmware updates via UART, I²C, or other serial interfaces without removing the device from the board or requiring external programming hardware - a key enabler for remote field upgrades and production-line programming.
What is the A/D converter resolution and channel count on the UPD78F0545AGC(A)-GAD-AX?
The UPD78F0545AGC(A)-GAD-AX features a 10-bit successive-approximation A/D converter with 16 input channels. Conversion time is guaranteed at ≤1.2 μs per channel under standard operating conditions (VDD = 5.0 V, fCLK = 20 MHz). Channels are distributed across multiple ports (e.g., P00–P03, P10–P13, P20–P27), allowing flexible analog signal routing without external multiplexing.
Is the UPD78F0545AGC(A)-GAD-AX pin-compatible with other 78K0/KF2 microcontrollers?
Yes, the UPD78F0545AGC(A)-GAD-AX shares the same 64-pin LQFP package and pin assignment with other members of the 78K0/KF2 family, including UPD78F0544AGC(A)-GAD-AX, UPD78F0546AGC(A)-GAD-AX, and UPD78F0547AGC(A)-GAD-AX. This enables hardware reuse across variants differing only in Flash size (32–96 KB), RAM (2–4 KB), and peripheral configuration - provided software accounts for memory map and feature differences.
UPD78F0545AGC(A)-GAD-AX Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 80-LQFP
- Series:
- 78K0/Kx2
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- 78K/0
- Core Size:
- 8-Bit
- Speed:
- 20MHz
- Connectivity:
- 3-Wire SIO, I2C, LINbus, UART/USART
- Peripherals:
- LVD, POR, PWM, WDT
- Number of I/O:
- 71
- Program Memory Size:
- 60KB (60K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 3K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.8V ~ 5.5V
- Data Converters:
- A/D 8x10b SAR
- Oscillator Type:
- External, Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
UPD78F0545AGC(A)-GAD-AX FAQ
1.How can I place an order for UPD78F0545AGC(A)-GAD-AX through Aetrix?
Please submit a Request for Quotation (RFQ) for UPD78F0545AGC(A)-GAD-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 UPD78F0545AGC(A)-GAD-AX reliable?
The price and inventory of UPD78F0545AGC(A)-GAD-AX are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for UPD78F0545AGC(A)-GAD-AX is usually 5 days.
3.What payment methods are accepted for UPD78F0545AGC(A)-GAD-AX?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for UPD78F0545AGC(A)-GAD-AX transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for UPD78F0545AGC(A)-GAD-AX?
UPD78F0545AGC(A)-GAD-AX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your UPD78F0545AGC(A)-GAD-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 UPD78F0545AGC(A)-GAD-AX?
For technical support, including UPD78F0545AGC(A)-GAD-AX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your UPD78F0545AGC(A)-GAD-AX requirements.
6.How does Aetrix verify that UPD78F0545AGC(A)-GAD-AX is sourced from the original manufacturer or authorized distributors?
All UPD78F0545AGC(A)-GAD-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 UPD78F0545AGC(A)-GAD-AX meets industry standards.
7.What is the process for return or replacement of UPD78F0545AGC(A)-GAD-AX?
All UPD78F0545AGC(A)-GAD-AX units undergo pre-shipment inspection (PSI). If there is an issue with UPD78F0545AGC(A)-GAD-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 UPD78F0545AGC(A)-GAD-AX part is unused and in its original packaging.
Return procedure for UPD78F0545AGC(A)-GAD-AX:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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