Renesas UPD78F0511AGB-GAF-AX
- Part No.:
- UPD78F0511AGB-GAF-AX
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 44-LQFP
- Datasheet:
-
UPD78F0511AGB-GAF-AX.pdf
- Description:
- IC MCU 8BIT 16KB FLASH 44LQFP
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
UPD78F0511AGB-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 16-bit timer/counter with PWM output capability. It operates at up to 20 MHz using an external crystal (1–20 MHz) or internal high-speed oscillator (16 MHz), supports 10-bit ADC with 16 channels, and targets embedded control in industrial sensors and motor drive interfaces.
For engineers reviewing the UPD78F0511AGB-GAF-AX datasheet, UPD78F0511AGB-GAF-AX pinout, UPD78F0511AGB-GAF-AX application, or UPD78F0511AGB-GAF-AX equivalent, key selection criteria include its 64-pin LQFP package, 10-bit ADC resolution with sample-and-hold, integrated UART/SIO/I²C interfaces, and support for self-programming flash via on-chip library.
Technical Context
The UPD78F0511AGB-GAF-AX implements the 78K0 CPU core with 16-bit addressing, 128-byte register bank, and instruction cycle time of 0.05–1.0 μs depending on clock source and mode. It integrates a 16-bit multifunction timer (TM00–TM03), watchdog timer, and power-on reset circuit with built-in voltage detector (1.8 V threshold).
Peripheral resources include three serial interfaces (UART, SIO, I²C), 16-channel 10-bit successive-approximation ADC with conversion time of 1.2 μs (typ.), and 8-bit D/A converter with 2-channel output. The device supports low-power modes (HALT, STOP) and features on-chip debug support via single-wire interface.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | 78K0 8-bit CPU with 16-bit addressing and 128-byte register bank |
| Flash Memory | 64 KB on-chip flash with 100,000 write/erase cycles and 20-year data retention |
| RAM Size | 4 KB on-chip RAM for variables, stack, and buffer storage |
| ADC Resolution | 10-bit SAR ADC with 16 input channels and 1.2 μs conversion time (typ.) |
| Max Clock Frequency | 20 MHz system clock via external crystal or 16 MHz internal oscillator |
| Supply Voltage | 2.7–5.5 V operation enabling direct interface with 3.3 V or 5 V logic systems |
| I/O Pins | 59 programmable CMOS I/O pins with pull-up/pull-down control and noise immunity design |
Pinout & Package
UPD78F0511AGB-GAF-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 port group (P0–P7, P12–P14) and dedicated peripherals including RESET, REGC, FLMD0, AVREF, EVDD/EVSS, and X1/X2 oscillator terminals.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P00–P07 | Port 0 bidirectional I/O | 8-bit general-purpose port with selectable pull-up, interrupt-on-change, and alternate functions (UART TX/RX, SIO) |
| P10–P17 | Port 1 bidirectional I/O | 8-bit port supporting timer capture/compare, ADC trigger, and external interrupt inputs |
| P20–P27 | Port 2 bidirectional I/O | 8-bit port with PWM output capability (TM00–TM03), I²C SCL/SDA, and serial clock input |
| P30–P33 | Port 3 bidirectional I/O | 4-bit port used for ADC analog input channels AN0–AN3 and reference voltage control |
| AVREF | Analog reference voltage input | External reference for ADC (2.0–5.5 V); enables precise measurement independent of VDD fluctuations |
| RESET | Active-low reset input | Asynchronous reset signal with internal pull-up; accepts external debounced push-button or supervisor IC output |
| X1/X2 | Crystal oscillator connection | Supports fundamental-mode quartz crystals (1–20 MHz) or ceramic resonators for stable timing |
Key Features
| Feature | Design Value |
|---|---|
| On-chip debug interface | Single-wire on-chip debugging (OCDS) eliminates need for external emulator hardware during development |
| Self-programming flash | Integrated flash programming library enables firmware updates in-system without external programmer |
| Low-power operation | Halt/Stop modes reduce current to 1.2 μA (typ.) and 0.5 μA (typ.), extending battery life in portable devices |
| Hardware watchdog timer | Dedicated WDT with independent clock source prevents system lockup due to software faults |
| Noise immunity design | Input hysteresis and Schmitt-trigger inputs on all digital pins suppress false triggering from EMI or slow-rising signals |
Applications
| Industrial Sensor Node | Brushless DC Motor Controller |
|---|---|
Use Scenario: Standalone temperature/humidity sensor node with local display and RS-485 communication. IC Role / Device Role / Timing Role: Main controller managing ADC sampling, data processing, UART-to-RS485 translation, and real-time clock synchronization. Use Value: Integrated 16-channel ADC and UART/I²C interfaces eliminate external signal conditioning and bus transceivers, reducing BOM count by 3 components. | Use Scenario: Closed-loop speed control for 3-phase BLDC motor in HVAC fan module. IC Role / Device Role / Timing Role: Real-time motor commutation controller generating six-step PWM outputs synchronized to hall sensor feedback. Use Value: 16-bit timer with complementary PWM output and dead-time insertion ensures precise phase alignment and prevents shoot-through in gate drivers. |
| Smart Power Meter Interface | Factory Automation I/O Module |
Use Scenario: Data concentrator collecting pulse outputs from multiple electromechanical kWh meters. IC Role / Device Role / Timing Role: Pulse counter and protocol translator interfacing legacy meters to Modbus RTU over RS-485. Use Value: Hardware pulse capture on P10–P13 enables accurate counting at rates up to 100 kHz without CPU overhead. | Use Scenario: DIN-rail mounted digital I/O expansion unit for PLC systems with isolated inputs and relay outputs. IC Role / Device Role / Timing Role: Isolation interface manager handling opto-coupler input decoding, relay driver timing, and CAN bus messaging. Use Value: On-chip 10-bit DAC provides calibrated analog output (0–10 V) for process control signals without external DAC IC. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 8-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F100PLGFB#30 | RL78/G13 core, 32 KB flash, 4 KB RAM, lower power (0.52 μA STOP mode), no on-chip DAC | Lacks integrated DAC but adds true low-power sleep modes and enhanced EMI immunity for battery-powered metering | Select when ultra-low standby current and extended battery life outweigh need for analog output generation |
| UPD78F0513AGB-GAF-AX | Same 78K0/KC2 family, 96 KB flash, 6 KB RAM, identical pinout and peripheral set | Higher memory capacity supports larger firmware with OTA update capability and expanded protocol stacks | Select when application requires >64 KB code space while maintaining full hardware compatibility and PCB reuse |
Compared with UPD78F0511AGB-GAF-AX, R5F100PLGFB#30 offers superior energy efficiency but sacrifices analog output capability, whereas UPD78F0513AGB-GAF-AX delivers direct memory scalability without layout or firmware porting effort.
Availability
UPD78F0511AGB-GAF-AX is available at Aetrix Electronics and suitable for industrial sensor nodes, BLDC motor controllers, smart power meter interfaces, and factory automation I/O modules requiring stable component supply across multi-year production cycles.
Supply support for UPD78F0511AGB-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, power, and SoC solutions for industrial, automotive, and infrastructure markets.
The 78K0/KC2 product line was designed for cost-sensitive, high-reliability embedded control applications requiring robust analog integration, deterministic real-time response, and long-term supply stability in industrial environments.
FAQ
What is the maximum operating frequency of the UPD78F0511AGB-GAF-AX?
The UPD78F0511AGB-GAF-AX supports a maximum system clock frequency of 20 MHz when using an external crystal oscillator (X1/X2). With the internal high-speed oscillator enabled, it operates at up to 16 MHz. Instruction execution time ranges from 0.05 μs (at 20 MHz) to 1.0 μs (at 1 MHz), enabling deterministic real-time control in time-critical applications.
Does the UPD78F0511AGB-GAF-AX include a hardware debug interface?
Yes, the UPD78F0511AGB-GAF-AX integrates a single-wire on-chip debug support (OCDS) interface compliant with Renesas' standard debug protocol. This allows full breakpoint, step-through, and register inspection capabilities without requiring external emulator hardware-reducing development cost and board space for UPD78F0511AGB-GAF-AX-based designs.
Can the UPD78F0511AGB-GAF-AX perform in-system programming of its flash memory?
Yes, the UPD78F0511AGB-GAF-AX includes a ROM-resident self-programming library that enables safe in-system reprogramming of its 64 KB flash memory. This feature supports field firmware updates and eliminates the need for external programmers during production or maintenance-critical for remote UPD78F0511AGB-GAF-AX deployments.
What analog peripherals are integrated into the UPD78F0511AGB-GAF-AX?
The UPD78F0511AGB-GAF-AX integrates a 10-bit successive-approximation ADC with 16 input channels and a conversion time of 1.2 μs (typ.), plus a 2-channel 8-bit D/A converter. It also includes dedicated analog supply pins (AVREF, AVSS) and voltage detector circuitry, enabling precision analog signal acquisition and control without external converters in UPD78F0511AGB-GAF-AX applications.
Is the UPD78F0511AGB-GAF-AX pin-compatible with other members of the 78K0/KC2 family?
Yes, the UPD78F0511AGB-GAF-AX shares the same 64-pin LQFP package and pin assignment with other 78K0/KC2 variants including UPD78F0512AGB-GAF-AX and UPD78F0513AGB-GAF-AX. This enables direct substitution where increased flash (96 KB) or RAM (6 KB) is required-maintaining PCB layout integrity and simplifying migration paths for UPD78F0511AGB-GAF-AX-based designs.
UPD78F0511AGB-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:
- 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:
- A/D 8x10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
UPD78F0511AGB-GAF-AX FAQ
1.How can I place an order for UPD78F0511AGB-GAF-AX through Aetrix?
Please submit a Request for Quotation (RFQ) for UPD78F0511AGB-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 UPD78F0511AGB-GAF-AX reliable?
The price and inventory of UPD78F0511AGB-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 UPD78F0511AGB-GAF-AX is usually 5 days.
3.What payment methods are accepted for UPD78F0511AGB-GAF-AX?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for UPD78F0511AGB-GAF-AX transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for UPD78F0511AGB-GAF-AX?
UPD78F0511AGB-GAF-AX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your UPD78F0511AGB-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 UPD78F0511AGB-GAF-AX?
For technical support, including UPD78F0511AGB-GAF-AX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your UPD78F0511AGB-GAF-AX requirements.
6.How does Aetrix verify that UPD78F0511AGB-GAF-AX is sourced from the original manufacturer or authorized distributors?
All UPD78F0511AGB-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 UPD78F0511AGB-GAF-AX meets industry standards.
7.What is the process for return or replacement of UPD78F0511AGB-GAF-AX?
All UPD78F0511AGB-GAF-AX units undergo pre-shipment inspection (PSI). If there is an issue with UPD78F0511AGB-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 UPD78F0511AGB-GAF-AX part is unused and in its original packaging.
Return procedure for UPD78F0511AGB-GAF-AX:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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