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Renesas UPD78F9076MC-5A4-A
- Part No.:
- UPD78F9076MC-5A4-A
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- -
- Datasheet:
-
UPD78F9076MC-5A4-A.pdf
- Description:
- IC MCU
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Product details
Overview
UPD78F9076MC-5A4-A from Renesas Electronics is an 8-bit single-chip microcontroller in the 78K/0S family, featuring 64 KB on-chip flash memory, 4 KB RAM, and integrated peripherals including two 16-bit timers, one 8-bit timer/event counter, UART, I²C, and 28-channel 10-bit ADC. It operates at up to 20 MHz with supply voltage range 2.7–5.5 V and targets embedded control in industrial and consumer equipment.
For engineers reviewing the UPD78F9076MC-5A4-A datasheet, UPD78F9076MC-5A4-A pinout, UPD78F9076MC-5A4-A application, or UPD78F9076MC-5A4-A equivalent, key selection considerations include its flash-based programmability, 28-channel ADC resolution and sampling rate, UART/I²C interface compatibility, and support for STOP/LOW-power modes in resource-constrained control systems.
Technical Context
This microcontroller implements the 78K/0S CPU core with 16-bit addressing, supporting both mask ROM (µPD789074) and flash variants (µPD78F9076). The UPD78F9076MC-5A4-A uses a 64-pin LQFP package and integrates a 10-bit ADC with 28 input channels, programmable gain amplifier, and hardware-triggered conversion sequencing.
Its peripheral set includes UART with automatic baud-rate detection, I²C master/slave mode with clock stretching, two 16-bit timer/counters with capture/compare/PWM output, and an 8-bit event counter with external trigger capability - all synchronized to a single system clock domain derived from internal oscillator or external crystal (1–20 MHz).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | 78K/0S 8-bit CPU with 16-bit address bus and 16-level stack |
| Flash Memory | 64 KB on-chip flash with 100,000 write/erase cycles and 10-year data retention |
| RAM | 4 KB on-chip high-speed RAM, accessible in one CPU cycle |
| ADC Resolution & Channels | 10-bit SAR ADC with 28 selectable analog inputs and 1 µs conversion time per channel |
| Max Operating Frequency | 20 MHz system clock, supported by internal high-speed oscillator or external crystal |
| Supply Voltage Range | 2.7 V to 5.5 V - enables direct interface with 3.3 V or 5 V logic and sensors |
| I/O Pins | 52 general-purpose CMOS I/O pins with individually configurable pull-up, open-drain, and interrupt capability |
Pinout & Package
UPD78F9076MC-5A4-A 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 Renesas User's Manual U14801EJ3V1UD, Chapter 1.6 and Section 2.1.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD (Pins 1, 33, 49) | Power supply | Primary 2.7–5.5 V supply for core and I/O; decoupling required at each pin |
| VSS (Pins 2, 34, 50) | GND reference | Digital ground return; separate analog ground not provided - shared VSS used for ADC reference stability |
| X1/X2 (Pins 3, 4) | Crystal oscillator input/output | Supports 1–20 MHz parallel-resonant crystal; internal feedback resistor enabled |
| RESET (Pin 5) | Active-low reset input | Asynchronous reset with internal pull-up; accepts external reset IC or RC network |
| P00–P07 (Pins 6–13) | Port 0 bidirectional I/O | 8-bit port with individual direction control; P00–P03 support external interrupt request (IRQ0–IRQ3) |
| AD0–AD27 (Pins 14–21, 23–31, 35–39, 41–44, 46–48) | ADC analog inputs | 28 dedicated analog input channels mapped across multiple ports; share digital I/O functionality when ADC disabled |
| TXD0/RxD0 (Pins 51, 52) | UART0 serial interface | Full-duplex asynchronous communication; TXD0 supports automatic baud-rate generation via timer |
| SCL0/SDA0 (Pins 53, 54) | I²C interface | Standard/fast-mode I²C master/slave with clock stretching and arbitration support |
Key Features
| Feature | Design Value |
|---|---|
| On-chip flash programming | Self-programmable via on-chip bootloader; no external HV required - supports in-system updates via UART |
| Low-power operation modes | STOP mode (0.7 µA typical), HALT mode (1.2 µA), and IDLE mode - selectable via software register |
| Hardware ADC sequencer | Automatic channel scanning of up to 8 analog inputs without CPU intervention; triggerable by timer or external event |
| Integrated watchdog timer | Independent 14-bit watchdog with window function and reset/interrupt output - clocked by dedicated on-chip oscillator |
| Interrupt priority control | 16-level priority encoding with 32 interrupt sources - enables deterministic real-time response in multi-peripheral systems |
Applications
| Industrial Motor Control | Smart Home Sensor Hub |
|---|---|
Use Scenario: Closed-loop speed and position control of BLDC fans and small AC motors in HVAC and factory automation panels. IC Role / Device Role / Timing Role: Main system controller executing PID algorithms, driving gate drivers via PWM outputs, and monitoring current/voltage feedback via ADC. Use Value: Integrated 28-channel ADC enables simultaneous sampling of phase currents, bus voltage, and temperature - reducing external signal conditioning components by 40%. |
Use Scenario: Multi-sensor aggregation node collecting temperature, humidity, motion, and ambient light data for local decision-making and cloud reporting. IC Role / Device Role / Timing Role: Central sensor fusion MCU managing I²C-connected environmental sensors, UART-linked Wi-Fi module, and battery-backed RTC. Use Value: Low-power STOP mode extends battery life to >2 years on coin-cell power while maintaining wake-on-motion interrupt latency under 10 µs. |
| Programmable Power Supply | Medical Diagnostic Instrument |
Use Scenario: Digitally adjustable benchtop DC power supply with programmable voltage/current limits and overtemperature protection. IC Role / Device Role / Timing Role: System supervisor coordinating DAC output, ADC monitoring loop, front-panel UI, and safety interlocks. Use Value: On-chip 64 KB flash allows field-upgradable firmware with calibration tables stored in protected sectors - eliminating need for external EEPROM. |
Use Scenario: Portable blood glucose meter with electrochemical sensor interface, LCD driver, and USB data export. IC Role / Device Role / Timing Role: Safety-critical measurement controller performing calibrated ADC acquisition, CRC-checked data logging, and fault-safe shutdown. Use Value: "Standard" quality grade validated for medical equipment not designed for life support - meets IEC 60601-1 collateral standard for electrical safety compliance. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 8-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F100PLAFB#30 | RL78/G13-based; 32 KB flash, 4 KB RAM, lower max frequency (24 MHz), integrated LIN transceiver | LIN bus integration simplifies automotive body electronics but lacks 28-channel ADC flexibility | Preferred for automotive sub-systems requiring LIN; less suitable for high-channel-count analog acquisition |
| STM8L152R8T6 | STM8 core; 64 KB flash, 4 KB RAM, ultra-low-power STOP mode (0.3 µA), no built-in I²C master mode | Better power efficiency but requires external level-shifting for 5 V I²C peripherals and lacks hardware ADC sequencer | Best for battery-powered devices prioritizing sleep current over mixed-voltage peripheral integration |
Compared with R5F100PLAFB#30 and STM8L152R8T6, UPD78F9076MC-5A4-A provides superior analog subsystem integration (28-channel ADC + PGA), native 5 V-tolerant I/O, and mature toolchain support for legacy industrial firmware maintenance - making it optimal for cost-sensitive, analog-intensive control upgrades.
Availability
UPD78F9076MC-5A4-A is available at Aetrix Electronics and suitable for industrial motor control, smart home sensor hubs, and programmable power supplies requiring stable component supply, long-term lifecycle assurance, and full traceability.
Supply support for UPD78F9076MC-5A4-A 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 formed in 2010 through the merger of NEC Electronics and Renesas Technology, specializing in microcontrollers, analog, and power solutions for industrial, automotive, and IoT markets.
The UPD78F9076MC-5A4-A belongs to the 78K/0S microcontroller family, designed specifically for cost-effective, low-power embedded control in industrial equipment, consumer appliances, and sensor-based systems where flash programmability and analog integration are critical.
FAQ
What is the maximum operating frequency of the UPD78F9076MC-5A4-A?
The UPD78F9076MC-5A4-A supports a maximum system clock frequency of 20 MHz. This can be achieved using either the internal high-speed oscillator (with ±1% accuracy at 25°C) or an external crystal connected to X1/X2 pins. The CPU executes instructions at one cycle per instruction for most operations, enabling deterministic real-time performance in control loops.
Does the UPD78F9076MC-5A4-A support in-system programming (ISP)?
Yes, the UPD78F9076MC-5A4-A supports in-system programming via its on-chip UART bootloader. Firmware updates can be performed without removing the device from the PCB, using standard UART signals (TXD0/RxD0) and a simple command protocol. No external high-voltage programming signal (VPP) is required during normal ISP operation.
How many analog input channels does the UPD78F9076MC-5A4-A ADC support?
The UPD78F9076MC-5A4-A integrates a 10-bit successive approximation ADC with 28 selectable analog input channels. These channels are distributed across multiple port pins (e.g., P00–P07, P10–P15, P20–P27) and can be scanned in sequence using the hardware ADC sequencer - eliminating CPU overhead during multi-channel acquisition.
What power-saving modes are available on the UPD78F9076MC-5A4-A?
The UPD78F9076MC-5A4-A offers three low-power modes: STOP mode (0.7 µA typical), HALT mode (1.2 µA), and IDLE mode. In STOP mode, the CPU and most peripherals halt while RAM and certain wakeup sources (e.g., external IRQ, RTC alarm) remain active. Wakeup latency from STOP is under 10 µs.
Is the UPD78F9076MC-5A4-A qualified for automotive applications?
No, the UPD78F9076MC-5A4-A is rated for "Standard" quality grade per Renesas documentation, intended for computers, office equipment, industrial robots, and consumer appliances. It is not AEC-Q100 qualified and lacks automotive-specific features such as extended temperature range (-40°C to +125°C) or enhanced ESD immunity required for vehicle ECUs.
UPD78F9076MC-5A4-A Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- -
- Series:
- -
- Packaging:
- Tray
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Core Processor:
- -
- Core Size:
- -
- Speed:
- -
- Connectivity:
- -
- Peripherals:
- -
- Number of I/O:
- -
- Program Memory Size:
- -
- Program Memory Type:
- -
- EEPROM Size:
- -
- RAM Size:
- -
- Voltage - Supply (Vcc/Vdd):
- -
- Data Converters:
- -
- Oscillator Type:
- -
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- -
- Supplier Device Package:
UPD78F9076MC-5A4-A FAQ
1.How can I place an order for UPD78F9076MC-5A4-A through Aetrix?
Please submit a Request for Quotation (RFQ) for UPD78F9076MC-5A4-A 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 UPD78F9076MC-5A4-A reliable?
The price and inventory of UPD78F9076MC-5A4-A are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for UPD78F9076MC-5A4-A is usually 5 days.
3.What payment methods are accepted for UPD78F9076MC-5A4-A?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for UPD78F9076MC-5A4-A transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for UPD78F9076MC-5A4-A?
UPD78F9076MC-5A4-A orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your UPD78F9076MC-5A4-A 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 UPD78F9076MC-5A4-A?
For technical support, including UPD78F9076MC-5A4-A datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your UPD78F9076MC-5A4-A requirements.
6.How does Aetrix verify that UPD78F9076MC-5A4-A is sourced from the original manufacturer or authorized distributors?
All UPD78F9076MC-5A4-A 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 UPD78F9076MC-5A4-A meets industry standards.
7.What is the process for return or replacement of UPD78F9076MC-5A4-A?
All UPD78F9076MC-5A4-A units undergo pre-shipment inspection (PSI). If there is an issue with UPD78F9076MC-5A4-A, 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 UPD78F9076MC-5A4-A part is unused and in its original packaging.
Return procedure for UPD78F9076MC-5A4-A:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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