My Inquiry
My Account
Renesas UPD78F0512AGB-GAF-AX
- Part No.:
- UPD78F0512AGB-GAF-AX
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 44-LQFP
- Datasheet:
-
UPD78F0512AGB-GAF-AX.pdf
- Description:
- IC MCU 8BIT 24KB FLASH 44LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:3,868
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
UPD78F0512AGB-GAF-AX from Renesas Electronics is an 8-bit single-chip microcontroller in the 78K0/KC2 family, featuring 64 KB on-chip flash memory, 4 KB RAM, and a maximum operating frequency of 20 MHz. It integrates a 10-bit A/D converter with 16 channels, UART, I²C, and timer peripherals, and targets embedded control applications in industrial equipment and consumer appliances.
For engineers reviewing the UPD78F0512AGB-GAF-AX datasheet, UPD78F0512AGB-GAF-AX pinout, UPD78F0512AGB-GAF-AX application, or UPD78F0512AGB-GAF-AX equivalent, key selection criteria include flash endurance (100,000 write/erase cycles), A/D conversion time (1.1 µs typical), supply voltage range (2.7–5.5 V), and compliance with industrial-grade temperature operation (−40°C to +85°C).
Technical Context
The UPD78F0512AGB-GAF-AX implements the 78K0 CPU core with 16-bit address space and supports both conventional- and expanded-specification features. Its on-chip flash uses SuperFlash® technology licensed from SST, enabling fast erase (10 ms per block) and reliable data retention (20 years at 85°C).
It includes dual voltage domains (VDD/EVDD) for analog/digital separation, dedicated AVREF/AVSS pins for A/D reference stability, and a programmable low-voltage detection circuit with four selectable thresholds (2.4 V, 2.7 V, 3.0 V, 3.3 V).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | 78K0 8-bit CISC core with 16-bit addressing and 1.1 µs instruction cycle at 20 MHz |
| Flash Memory | 64 KB on-chip flash with 100,000 write/erase cycles and 20-year data retention at 85°C |
| RAM | 4 KB on-chip RAM, accessible in single-cycle read/write |
| A/D Converter | 10-bit SAR ADC with 16 input channels, 1.1 µs conversion time, and internal reference option |
| Operating Voltage | 2.7 V to 5.5 V - supports direct interface with 3.3 V and 5 V logic systems |
| Temperature Range | −40°C to +85°C - qualified for industrial environment deployment without derating |
| Package | 100-pin LQFP (14 mm × 14 mm, 0.5 mm pitch) with exposed thermal pad |
Pinout & Package
The UPD78F0512AGB-GAF-AX is housed in a 100-pin LQFP package (14 mm × 14 mm, 0.5 mm pitch) with an exposed thermal pad for enhanced heat dissipation in continuous industrial operation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, EVDD | Digital and analog power supply inputs | Separate domains enable noise isolation between digital switching and precision A/D conversion |
| VSS, EVSS | Digital and analog ground returns | Independent grounding reduces coupling of digital noise into analog measurement paths |
| AVREF | Analog reference voltage input | Accepts external reference (1.5–5.5 V) or internal 2.5 V bandgap for stable A/D scaling |
| P00–P06 | Port 0 bidirectional I/O pins | Configurable as general-purpose I/O or alternate functions including UART0 TX/RX and timer outputs |
| P10–P17 | Port 1 bidirectional I/O pins | Support I²C bus (SCL/SDA), external interrupt inputs (INT0–INT3), and A/D channel inputs (AN0–AN7) |
| RESET | Active-low reset input | Asynchronous reset with internal pull-up; accepts external reset signal or watchdog timeout assertion |
Key Features
| Feature | Design Value |
|---|---|
| On-chip debug support | Integrated on-chip debug interface compatible with QB-MINI2 emulator for real-time trace and breakpoint debugging |
| Low-voltage detection | Four selectable threshold levels (2.4 V/2.7 V/3.0 V/3.3 V) with interrupt and reset output options |
| Self-programming capability | Flash reprogramming in-application using ROM-resident library; no external programmer required during field updates |
| Peripheral clock control | Selective peripheral clock gating enables dynamic power reduction by disabling unused modules (UART, I²C, timers) |
| Watchdog timer | Free-running 15-bit timer with independent clock source (on-chip 15 kHz oscillator) for system-level fault recovery |
Applications
| Industrial Motor Control | Home Appliance Control |
|---|---|
Use Scenario: Closed-loop speed and position control of BLDC motors in HVAC blowers and washing machine drum drives. IC Role / Device Role / Timing Role: Main system controller executing motor commutation logic, PWM generation, and current sensing via integrated A/D. Use Value: 16-channel A/D enables simultaneous sampling of phase currents and thermistors; 20 MHz CPU delivers sub-100 µs control loop latency. | Use Scenario: Intelligent cooking sequence management in microwave ovens with sensor-based moisture detection and power level modulation. IC Role / Device Role / Timing Role: Central appliance controller managing user interface, safety interlocks, and real-time cooking profile execution. Use Value: Integrated UART and I²C support communication with touch panel and temperature/humidity sensors; 64 KB flash accommodates multi-language UI firmware. |
| Factory Automation I/O Module | Smart Power Metering |
Use Scenario: DIN-rail mounted digital I/O module converting 24 V DC field signals to Modbus RTU over RS-485. IC Role / Device Role / Timing Role: Protocol-aware controller handling Modbus framing, CRC calculation, and isolated digital input/output timing. Use Value: Dual voltage domains ensure clean A/D acquisition of analog sensor inputs while maintaining robust RS-485 driver timing under EMI stress. | Use Scenario: Residential electricity meter with harmonic analysis, tamper detection, and LCD display driving. IC Role / Device Role / Timing Role: Metering SoC performing RMS calculation, zero-crossing detection, and pulse output generation for utility billing. Use Value: 10-bit A/D with 1.1 µs conversion supports 16-sample-per-cycle sampling at 50/60 Hz; 4 KB RAM buffers waveform data for harmonic FFT processing. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 8-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F100LEAFB#30 | RL78/G13 core, 32 KB flash, 4 KB RAM, 32 MHz max, built-in LIN transceiver | Better suited for automotive body electronics requiring LIN communication | Select when LIN protocol stack integration and higher CPU throughput are required; not pin-compatible |
| UPD78F0513AGB-GAF-AX | Same 78K0/KC2 family, 96 KB flash, identical pinout and peripheral set | Direct upgrade path for applications needing larger code storage without hardware redesign | Drop-in replacement with extended flash capacity; same footprint, timing, and register map |
Compared with UPD78F0512AGB-GAF-AX, R5F100LEAFB#30 offers higher performance and automotive-grade peripherals but requires software migration and lacks A/D speed parity; UPD78F0513AGB-GAF-AX provides seamless flash scalability within identical hardware and toolchain constraints.
Availability
UPD78F0512AGB-GAF-AX is available at Aetrix Electronics and suitable for industrial motor control, home appliance control, factory automation I/O modules, and smart power metering requiring stable component supply across multi-year production cycles.
Supply support for UPD78F0512AGB-GAF-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, and power devices for industrial, automotive, and infrastructure markets.
The 78K0/KC2 product line delivers cost-optimized, high-reliability 8-bit MCUs targeting resource-constrained embedded control applications where deterministic real-time response and long-term supply stability are critical.
FAQ
What is the maximum operating frequency of the UPD78F0512AGB-GAF-AX?
The UPD78F0512AGB-GAF-AX operates at a maximum frequency of 20 MHz using its on-chip high-speed oscillator or external crystal up to 20 MHz. This frequency enables a 1.1 µs minimum instruction cycle time, supporting tight real-time control loops in motor and power applications where deterministic timing is essential. The device maintains full specification compliance across its entire industrial temperature range (−40°C to +85°C) at this speed.
Does the UPD78F0512AGB-GAF-AX support in-system programming?
Yes, the UPD78F0512AGB-GAF-AX supports in-system programming via its on-chip self-programming library, which resides in ROM. This allows firmware updates in the field without removing the UPD78F0512AGB-GAF-AX from the PCB. The library handles flash erase and write operations with error checking, and requires only standard I/O and clock resources - no external programming voltage or dedicated debug interface is needed for basic reprogramming.
What A/D converter resolution and speed does the UPD78F0512AGB-GAF-AX provide?
The UPD78F0512AGB-GAF-AX integrates a 10-bit successive approximation register (SAR) A/D converter with 16 input channels and a typical conversion time of 1.1 µs. It supports both external reference (via AVREF pin) and internal 2.5 V bandgap reference, and includes sample-and-hold functionality. This performance enables accurate acquisition of fast-changing analog signals such as motor phase currents or sensor outputs in real-time control systems using the UPD78F0512AGB-GAF-AX.
Is the UPD78F0512AGB-GAF-AX pin-compatible with other 78K0/KC2 devices?
Yes, the UPD78F0512AGB-GAF-AX shares the same 100-pin LQFP package and pin assignment with other members of the 78K0/KC2 family, including UPD78F0511AGB-GAF-AX, UPD78F0513AGB-GAF-AX, and UPD78F0514AGB-GAF-AX. This allows hardware reuse across variants differing only in flash size (64 KB vs. 48 KB or 96 KB) and minor peripheral configurations, simplifying design scalability and inventory management for the UPD78F0512AGB-GAF-AX.
What development tools are supported for the UPD78F0512AGB-GAF-AX?
The UPD78F0512AGB-GAF-AX is fully supported by Renesas' legacy 78K0 toolchain, including the RA78K0 assembler (v4.01), CC78K0 C compiler (v4.00), QB-MINI2 on-chip debug emulator, and PM+ IDE. These tools enable full firmware development, real-time debugging, flash programming, and performance profiling. The UPD78F0512AGB-GAF-AX also works with third-party JTAG adapters compliant with the 78K0 debug interface specification.
UPD78F0512AGB-GAF-AX Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 44-LQFP
- Series:
- 78K0/Kx2
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- 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:
- 37
- 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:
UPD78F0512AGB-GAF-AX FAQ
1.How can I place an order for UPD78F0512AGB-GAF-AX through Aetrix?
Please submit a Request for Quotation (RFQ) for UPD78F0512AGB-GAF-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 UPD78F0512AGB-GAF-AX reliable?
The price and inventory of UPD78F0512AGB-GAF-AX are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for UPD78F0512AGB-GAF-AX is usually 5 days.
3.What payment methods are accepted for UPD78F0512AGB-GAF-AX?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for UPD78F0512AGB-GAF-AX transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for UPD78F0512AGB-GAF-AX?
UPD78F0512AGB-GAF-AX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your UPD78F0512AGB-GAF-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 UPD78F0512AGB-GAF-AX?
For technical support, including UPD78F0512AGB-GAF-AX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your UPD78F0512AGB-GAF-AX requirements.
6.How does Aetrix verify that UPD78F0512AGB-GAF-AX is sourced from the original manufacturer or authorized distributors?
All UPD78F0512AGB-GAF-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 UPD78F0512AGB-GAF-AX meets industry standards.
7.What is the process for return or replacement of UPD78F0512AGB-GAF-AX?
All UPD78F0512AGB-GAF-AX units undergo pre-shipment inspection (PSI). If there is an issue with UPD78F0512AGB-GAF-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 UPD78F0512AGB-GAF-AX part is unused and in its original packaging.
Return procedure for UPD78F0512AGB-GAF-AX:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
UPD78F0512AGB-GAF-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
A practical engineering and sourcing framework covering lifecycle verification, lifetime-buy calculations, replacement qualification, supplier checks and counterfeit-risk controls.
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…
