Renesas UPD78F0583GB-GAF-AX
- Part No.:
- UPD78F0583GB-GAF-AX
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 44-LQFP
- Datasheet:
-
UPD78F0583GB-GAF-AX.pdf
- Description:
- IC MCU 8BIT 32KB FLASH 44LQFP
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
UPD78F0583GB-GAF-AX from Renesas Electronics is an 8-bit single-chip microcontroller in the 78K0/KC2-L 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 internal high-speed oscillator and supports 5 V operation with 64-pin LQFP packaging. It is used in industrial motor control subsystems requiring deterministic real-time response and integrated analog peripherals.
For engineers reviewing the UPD78F0583GB-GAF-AX datasheet, UPD78F0583GB-GAF-AX pinout, UPD78F0583GB-GAF-AX application, or UPD78F0583GB-GAF-AX equivalent, key selection criteria include Flash endurance (100,000 write/erase cycles), ADC resolution (10-bit, 8-channel), watchdog timer with independent clock source, and support for low-power stop mode with wake-up via external interrupt or serial interface.
Technical Context
The UPD78F0583GB-GAF-AX implements the 78K0 CPU core with 16-bit ALU, 16-bit program counter, and 8-bit data bus. It integrates a 10-bit successive-approximation ADC with sample-and-hold, a 16-bit reload timer with three capture/compare channels, and UART/SIO interfaces supporting asynchronous and clock-synchronous communication.
Its clock system includes selectable oscillators: internal high-speed (20 MHz) and low-speed (32.768 kHz) RC sources, plus external crystal (1–20 MHz) and ceramic resonator options. Power management features include HALT, STOP, and SNOOZE modes with configurable wake-up sources including port interrupts and serial receive events.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | 78K0 8-bit CPU with 16-bit ALU and 16-bit program counter - enables efficient bit manipulation and compact code density for embedded control tasks. |
| Flash Memory | 64 KB on-chip Flash (100,000 erase/write cycles) - supports field firmware updates without external memory or programming hardware. |
| RAM Size | 4 KB on-chip RAM - sufficient for real-time control stacks, sensor buffers, and communication protocol state machines. |
| ADC | 10-bit SAR ADC with 8 input channels and built-in sample-and-hold - delivers accurate analog sensing for motor current, temperature, and voltage monitoring. |
| Timers | One 16-bit reload timer with 3 capture/compare channels and PWM output - enables precise timing for motor commutation and LED dimming control. |
| Communication Interfaces | UART + SIO (clock-synchronous serial I/O) - provides flexible host connectivity and daisy-chain peripheral interfacing without additional transceivers. |
| Supply Voltage | 4.0 V to 5.5 V operation - compatible with standard 5 V industrial power rails and tolerant of supply ripple in noisy environments. |
| Operating Temperature | −40°C to +85°C - qualified for use in industrial enclosures and factory automation equipment without forced cooling. |
Pinout & Package
UPD78F0583GB-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 Renesas User's Manual Rev.4.00 (Section 1.3.4 and 2.1.4).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Dual VDD/VSS pairs ensure stable core and I/O rail decoupling; mandatory 0.1 µF ceramic capacitors per pair near package corners. |
| P00–P02 | Port 0 pins with alternate functions | Support UART TX/RX, SIO clock/data, and external interrupt inputs - enable minimal-footprint serial communication without level shifters. |
| P10–P17 | Port 1 with ADC input capability | 8-channel analog input mapping (AN0–AN7) - allows direct connection of thermistors, potentiometers, and current-sense amplifiers. |
| P20–P27 | Port 2 with timer I/O | Map to 16-bit timer capture/compare outputs (TMR00–TMR02) - drive gate drivers or PWM-controlled actuators with hardware-timed edges. |
| X1, XT1 | Crystal/resonator connections | Support external 1–20 MHz crystal (X1) and 32.768 kHz watch crystal (XT1) - enable precision timing and RTC functionality simultaneously. |
| RESET | Active-low reset input | Asynchronous reset with internal pull-up; accepts external debounced pushbutton or supervisor IC assertion - ensures reliable cold-start initialization. |
Key Features
| Feature | Design Value |
|---|---|
| On-chip Flash with self-programming | Enables in-system firmware updates via UART or SIO without external programmer - reduces service downtime and field upgrade cost. |
| 10-bit ADC with sample-and-hold | Provides 1 LSB INL/DNL accuracy and 100 kSPS sampling rate - meets resolution and speed requirements for closed-loop motor current feedback. |
| Independent watchdog timer (IWDT) | Uses dedicated 32.768 kHz oscillator - guarantees fail-safe recovery even if main clock fails or software hangs in interrupt context. |
| Low-power STOP mode | Consumes ≤1.5 µA at 5 V with RTC active - extends battery life in portable HMI panels or remote sensor nodes with periodic wake-up. |
| Hardware UART with framing error detection | Supports full-duplex asynchronous communication at up to 115.2 kbps with automatic break detection - simplifies host diagnostics and configuration. |
| Port function remapping register (PFR) | Allows dynamic reassignment of peripheral functions to alternate pins - improves PCB layout flexibility and avoids signal congestion on critical nets. |
Applications
| Industrial Motor Control | Factory Automation I/O Module |
|---|---|
|
Use Scenario: Brushless DC motor commutation in conveyor drives with Hall-effect sensor feedback. IC Role / Device Role / Timing Role: Real-time execution of six-step commutation logic, ADC sampling of phase currents, and generation of synchronized PWM outputs. Use Value: Integrated 16-bit timer with dead-time insertion and ADC trigger synchronization eliminates need for external timing ICs or FPGA glue logic. |
Use Scenario: Distributed digital input/output expansion node connected via RS-485 to PLC master. IC Role / Device Role / Timing Role: Protocol stack handler for Modbus RTU, isolation-level GPIO management, and cyclic status reporting. Use Value: Hardware UART with automatic address match and parity checking reduces CPU load and ensures deterministic response under network load. |
| Smart HVAC Actuator | Embedded Power Supply Monitor |
|
Use Scenario: Position control of damper actuators using potentiometer feedback and bidirectional DC motor drive. IC Role / Device Role / Timing Role: Closed-loop PID controller with 10-bit ADC input, PWM output, and non-volatile parameter storage. Use Value: On-chip EEPROM emulation library enables retention of calibration offsets and runtime configuration across power cycles. |
Use Scenario: Monitoring of 12 V/5 V/3.3 V rails in telecom power shelf with overvoltage/undervoltage alarms. IC Role / Device Role / Timing Role: Analog monitor with programmable thresholds, latched fault flags, and I²C-compatible serial interface. Use Value: 8-channel ADC with internal reference (2.5 V) allows simultaneous multi-rail measurement without external voltage dividers or references. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 8-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F100LEA | RL78/G13 core, 32 KB Flash, 4 KB RAM, lower power (0.5 µA STOP), but no hardware UART framing error detection. | Better suited for ultra-low-power battery devices; lacks dedicated PWM dead-time control required for BLDC gate drivers. | Select R5F100LEA when energy efficiency outweighs motor control precision; verify UART error handling in protocol stack. |
| UPD78F0577GB-GAH-AX | Same 78K0/KC2-L family, 48 KB Flash, identical pinout and peripheral set except reduced Flash size and no SIO interface. | Compatible for cost-sensitive designs where SIO daisy-chaining is unused and firmware fits in 48 KB. | Choose UPD78F0577GB-GAH-AX only if Flash budget permits and SIO is not required - no PCB change needed. |
Compared with UPD78F0583GB-GAF-AX, R5F100LEA offers superior low-power performance but sacrifices motor-control-specific peripherals, while UPD78F0577GB-GAH-AX provides pin-compatible cost reduction at the expense of Flash capacity and serial interface flexibility.
Availability
UPD78F0583GB-GAF-AX is available at Aetrix Electronics and suitable for industrial motor control, factory automation I/O modules, and smart HVAC actuator designs requiring stable component supply, long-term lifecycle support, and RoHS-compliant manufacturing.
Supply support for UPD78F0583GB-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-L product line targets cost-sensitive, high-reliability industrial control applications, emphasizing robustness, integrated analog peripherals, and long-lifecycle availability for factory equipment and building systems.
FAQ
What is the maximum operating frequency of the UPD78F0583GB-GAF-AX?
The UPD78F0583GB-GAF-AX supports a maximum system clock frequency of 20 MHz when using the internal high-speed oscillator or an external crystal up to 20 MHz. This frequency is sustained across the full −40°C to +85°C operating temperature range and 4.0–5.5 V supply voltage, enabling deterministic instruction timing for real-time control loops.
Does the UPD78F0583GB-GAF-AX include a hardware watchdog timer?
Yes, the UPD78F0583GB-GAF-AX integrates an independent watchdog timer (IWDT) driven by a dedicated 32.768 kHz oscillator. This ensures reliable timeout detection even if the main system clock fails or software enters an infinite loop, making it suitable for safety-critical industrial control applications where fail-safe recovery is mandatory.
Can the UPD78F0583GB-GAF-AX perform in-system programming of its Flash memory?
Yes, the UPD78F0583GB-GAF-AX supports in-system programming (ISP) of its 64 KB Flash memory via UART or SIO interfaces using Renesas' standard bootloader protocol. No external programmer is required, and the process preserves user-defined vectors and retains RAM contents during reprogramming - essential for field firmware updates.
What ADC resolution and channel count does the UPD78F0583GB-GAF-AX provide?
The UPD78F0583GB-GAF-AX features a 10-bit successive-approximation ADC with 8 input channels (AN0–AN7), mapped to Port 1 pins. It includes a built-in sample-and-hold circuit and supports conversion times as fast as 10 µs per sample, delivering ±1 LSB integral nonlinearity for precision analog sensing in motor control and power monitoring.
Is the UPD78F0583GB-GAF-AX pin-compatible with other members of the 78K0/KC2-L family?
The UPD78F0583GB-GAF-AX shares the same 64-pin LQFP package and pinout with other 78K0/KC2-L devices such as UPD78F0581 and UPD78F0582, but differs in Flash size (64 KB vs. 32 KB/48 KB) and peripheral enablement. Pin compatibility allows drop-in replacement only within the same variant group confirmed in Renesas' ordering information table.
UPD78F0583GB-GAF-AX Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 44-LQFP
- Series:
- 78K0/Kx2-L
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- 78K/0
- Core Size:
- 8-Bit
- Speed:
- 10MHz
- Connectivity:
- 3-Wire SIO, I2C, LINbus, UART/USART
- Peripherals:
- LVD, POR, PWM, WDT
- Number of I/O:
- 33
- Program Memory Size:
- 32KB (32K 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 11x10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
UPD78F0583GB-GAF-AX FAQ
1.How can I place an order for UPD78F0583GB-GAF-AX through Aetrix?
Please submit a Request for Quotation (RFQ) for UPD78F0583GB-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 UPD78F0583GB-GAF-AX reliable?
The price and inventory of UPD78F0583GB-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 UPD78F0583GB-GAF-AX is usually 5 days.
3.What payment methods are accepted for UPD78F0583GB-GAF-AX?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for UPD78F0583GB-GAF-AX transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for UPD78F0583GB-GAF-AX?
UPD78F0583GB-GAF-AX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your UPD78F0583GB-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 UPD78F0583GB-GAF-AX?
For technical support, including UPD78F0583GB-GAF-AX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your UPD78F0583GB-GAF-AX requirements.
6.How does Aetrix verify that UPD78F0583GB-GAF-AX is sourced from the original manufacturer or authorized distributors?
All UPD78F0583GB-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 UPD78F0583GB-GAF-AX meets industry standards.
7.What is the process for return or replacement of UPD78F0583GB-GAF-AX?
All UPD78F0583GB-GAF-AX units undergo pre-shipment inspection (PSI). If there is an issue with UPD78F0583GB-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 UPD78F0583GB-GAF-AX part is unused and in its original packaging.
Return procedure for UPD78F0583GB-GAF-AX:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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