Renesas UPD78F0590MC-CAB-AX
- Part No.:
- UPD78F0590MC-CAB-AX
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 30-LSSOP (0.240", 6.10mm Width)
- Datasheet:
-
UPD78F0590MC-CAB-AX.pdf
- Description:
- IC MCU 8BIT 16KB FLASH 30SSOP
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
UPD78F0590MC-CAB-AX from Renesas Electronics is an 8-bit single-chip microcontroller in the 78K0/Kx2-A 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, supports 5V operation, and integrates UART, I²C, and 10-bit ADC for embedded control in industrial and consumer systems.
For engineers reviewing the UPD78F0590MC-CAB-AX datasheet, UPD78F0590MC-CAB-AX pinout, UPD78F0590MC-CAB-AX application, or UPD78F0590MC-CAB-AX equivalent, key selection criteria include Flash endurance (100k write/erase cycles), operating temperature range (−40°C to +85°C), and compatibility with RA78K0 assembler toolchain and ID78K0-QB debugger.
Technical Context
The UPD78F0590MC-CAB-AX implements the 78K0 CPU core with 16-bit ALU, 32 × 8-bit general-purpose registers, and Harvard architecture with separate instruction and data buses. It supports interrupt nesting with 16 priority levels and includes dedicated hardware for serial communication (UART/I²C) and analog-to-digital conversion (10-bit, 8-channel ADC).
Clock generation is configurable via internal high-speed oscillator (8 MHz ±2%), external crystal (1–20 MHz), or ceramic resonator. Power management includes HALT and STOP modes with wake-up via external interrupt or watchdog timeout - enabling low-power operation in battery-backed applications.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | 78K0 8-bit CPU with 16-bit ALU and 32 register banks - enables efficient real-time control with deterministic interrupt latency. |
| Program Memory | 64 KB on-chip Flash (SuperFlash® technology) - supports in-system programming and 100k erase/write cycles for field firmware updates. |
| Data Memory | 4 KB RAM - sufficient for stack, variables, and small buffers in standalone sensor or actuator control tasks. |
| ADC Resolution | 10-bit successive approximation ADC with 8 input channels - delivers ±1 LSB INL for precision analog monitoring (e.g., temperature, voltage sensing). |
| Timer Resources | One 16-bit timer/counter with PWM output, two 8-bit timers, and watchdog timer - supports motor control timing, pulse generation, and system safety supervision. |
| Communication Interfaces | UART (full-duplex), I²C (master/slave), and CSI - enables direct connection to sensors, displays, and host controllers without external protocol translators. |
| Supply Voltage | 4.0 V to 5.5 V - compatible with standard 5 V logic systems and tolerant of supply ripple in industrial power rails. |
Pinout & Package
UPD78F0590MC-CAB-AX is housed in a 64-pin LQFP package (10 mm × 10 mm, 0.5 mm pitch) with exposed thermal pad. Pin functions are defined per Renesas Hardware User's Manual Rev.3.00 (Jun 2011), Section 1.4.1 and 2.1.1.
| 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 capacitor per pair near package. |
| P00–P02 | Port 0 I/O pins | Bi-directional CMOS ports with selectable pull-up; P00/P01 support UART TX/RX alternate function - simplifies serial interface routing. |
| P10–P13 | Port 1 I/O pins | Support I²C SDA/SCL (P12/P13) and external interrupt inputs - enables multi-sensor bus and event-driven wake-up. |
| P20–P27 | Port 2 I/O pins | 8-bit parallel port with 10-bit ADC channel mapping (P20–P27 = AN0–AN7) - allows simultaneous analog input sampling across all channels. |
| RESET | Active-low reset input | Asynchronous reset with internal pull-up; requires ≥100 ns pulse width - ensures reliable initialization after power-on or brownout. |
| X1, XT1 | Crystal/resonator inputs | Supports 1–20 MHz external clock source; X1 accepts CMOS-level input for external clock drive - enables precise timing in communication or measurement applications. |
Key Features
| Feature | Design Value |
|---|---|
| On-chip Flash with EEPROM emulation | 64 KB Flash supports user-defined EEPROM-like data storage using dedicated library routines - eliminates need for external nonvolatile memory in configuration storage. |
| Hardware multiplier/divider | 16×16-bit multiply and 32÷16-bit divide in ≤12 cycles - accelerates PID control loop computation without software overhead. |
| Low-power STOP mode | Current consumption <1.5 µA at 5 V - extends battery life in remote sensors or portable equipment requiring periodic wake-up. |
| Dedicated ADC trigger sources | Timer overflow, external edge, or software start - enables synchronized sampling for motor phase current or vibration analysis. |
| Watchdog timer with window function | Configurable timeout (16 ms–2.1 s) and windowed refresh window - prevents accidental resets while detecting firmware hangs in safety-critical sequences. |
Applications
| Industrial Motor Control | Smart Sensor Node |
|---|---|
Use Scenario: Closed-loop speed regulation of 3-phase BLDC motors in HVAC blowers and pump drives. IC Role / Device Role / Timing Role: Main controller executing commutation logic, PWM generation, and current feedback processing via integrated ADC and timer. Use Value: On-chip 16-bit PWM with dead-time insertion and ADC-triggered sampling reduces BOM count and improves timing accuracy versus discrete MCU + peripheral solutions. |
Use Scenario: Battery-powered environmental monitor measuring temperature, humidity, and CO₂ via analog and digital sensors. IC Role / Device Role / Timing Role: System orchestrator managing sensor polling, data logging to Flash, and wireless transmission via UART-connected transceiver. Use Value: STOP mode current <1.5 µA and Flash endurance >100k cycles enable 5+ year operation on coin-cell batteries with daily data uploads. |
| Home Appliance UI Controller | Power Supply Monitoring Unit |
Use Scenario: Keypad scanning, LED display driving, and fault reporting in microwave ovens and washing machines. IC Role / Device Role / Timing Role: Dedicated UI processor handling human interface tasks while isolating main system MCU from noise-sensitive analog sections. Use Value: Integrated 10-bit ADC and multiple I/O ports eliminate external GPIO expanders and reduce PCB layer count in cost-sensitive white goods. |
Use Scenario: Real-time monitoring of AC-DC converter output voltage, current, and temperature in telecom power supplies. IC Role / Device Role / Timing Role: Safety supervisor performing periodic ADC checks and triggering shutdown via dedicated I/O if thresholds are exceeded. Use Value: Hardware watchdog with window function and asynchronous RESET input provide fail-safe response independent of main controller firmware state. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 8-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| UPD78F0571MC-CAB-AX | Same 78K0/Kx2-A family, but with 32 KB Flash and no hardware multiplier - lower code capacity and reduced math throughput. | Suitable for simpler UI or sensor readout tasks without complex control algorithms. | Select when firmware size <32 KB and no real-time multiplication required - reduces cost without sacrificing peripheral set. |
| R5F100LEAFB#30 | RL78/G13-based device with 64 KB Flash, 4 KB RAM, and enhanced low-power modes (HALT current <0.5 µA); lacks native I²C master mode. | Better suited for ultra-low-power battery applications but requires external level-shifting for legacy 5 V I²C peripherals. | Choose for new designs prioritizing energy efficiency over 5 V compatibility - note different toolchain (CC-RL vs. CC78K0) and debug interface (E2 emulator vs. QB-MINI2). |
Compared with UPD78F0590MC-CAB-AX, UPD78F0571MC-CAB-AX offers cost savings for smaller firmware footprints, while R5F100LEAFB#30 provides deeper sleep states and modern tooling at the expense of 5 V I²C interoperability and legacy ecosystem alignment.
Availability
UPD78F0590MC-CAB-AX is available at Aetrix Electronics and suitable for industrial motor control, smart sensor nodes, and home appliance UI applications requiring stable component supply and long-term production continuity.
Supply support for UPD78F0590MC-CAB-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 specializing in microcontrollers, analog, power, and SoC solutions for industrial, automotive, and infrastructure markets.
The UPD78F0590MC-CAB-AX belongs to the 78K0/Kx2-A product line, designed for cost-effective, reliable 8-bit control in resource-constrained embedded systems where Flash endurance, mixed-signal integration, and toolchain maturity are critical.
FAQ
What is the maximum operating frequency of the UPD78F0590MC-CAB-AX?
The UPD78F0590MC-CAB-AX supports a maximum system clock frequency of 20 MHz when using an external crystal or resonator. Internal oscillator operation is fixed at 8 MHz (±2%). This frequency determines instruction execution speed and peripheral timing resolution - for example, the 16-bit timer achieves 50 ns minimum timebase resolution at 20 MHz, enabling precise PWM duty-cycle control in motor applications.
Does the UPD78F0590MC-CAB-AX support in-application programming (IAP) of its Flash memory?
Yes, the UPD78F0590MC-CAB-AX supports in-application programming via its on-chip Flash memory controller. Using the provided Flash control library (included in RA78K0 toolchain), firmware can reprogram designated Flash sectors while executing from other memory regions - enabling field firmware updates and parameter storage without halting system operation. The UPD78F0590MC-CAB-AX requires proper sector locking/unlocking sequences and erase-before-write discipline per Renesas Application Note R01AN1303.
What development tools are officially supported for the UPD78F0590MC-CAB-AX?
Renesas officially supports the UPD78F0590MC-CAB-AX with the RA78K0 assembler (Ver. 4.01), CC78K0 C compiler (Ver. 4.00), ID78K0-QB integrated debugger (Ver. 3.00), and QB-MINI2 on-chip debug emulator. These tools enable full-cycle development including simulation, flash programming, and real-time debugging via the single-wire debug interface. The UPD78F0590MC-CAB-AX also works with PG-FP5 Flash programmer for production programming.
How does the ADC performance of the UPD78F0590MC-CAB-AX compare to similar 8-bit MCUs?
The UPD78F0590MC-CAB-AX features a 10-bit successive approximation ADC with ±1 LSB integral nonlinearity (INL) and 8 input channels multiplexed across Port 2 pins. Its conversion time is 12 µs per sample at 20 MHz system clock - faster than many competing 8-bit MCUs offering only 8-bit resolution or >20 µs conversion. This enables accurate, high-throughput analog monitoring in applications like power supply feedback or sensor fusion where resolution and speed directly impact control stability.
Is the UPD78F0590MC-CAB-AX qualified for automotive applications?
No, the UPD78F0590MC-CAB-AX is rated for Standard quality grade per Renesas documentation, targeting computers, office equipment, industrial robots, and home appliances. It is not qualified to AEC-Q100 or certified for automotive use. For automotive-grade alternatives, Renesas offers the RL78/F12 or RH850 families - the UPD78F0590MC-CAB-AX should not be deployed in vehicle subsystems without explicit written consent from Renesas Electronics.
UPD78F0590MC-CAB-AX Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 30-LSSOP (0.240", 6.10mm Width)
- Series:
- 78K0/Kx2-A
- Packaging:
- Tray
- Product Status:
- Not For New Designs
- 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:
- 22
- Program Memory Size:
- 16KB (16K 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 10x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
UPD78F0590MC-CAB-AX FAQ
1.How can I place an order for UPD78F0590MC-CAB-AX through Aetrix?
Please submit a Request for Quotation (RFQ) for UPD78F0590MC-CAB-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 UPD78F0590MC-CAB-AX reliable?
The price and inventory of UPD78F0590MC-CAB-AX are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for UPD78F0590MC-CAB-AX is usually 5 days.
3.What payment methods are accepted for UPD78F0590MC-CAB-AX?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for UPD78F0590MC-CAB-AX transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for UPD78F0590MC-CAB-AX?
UPD78F0590MC-CAB-AX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your UPD78F0590MC-CAB-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 UPD78F0590MC-CAB-AX?
For technical support, including UPD78F0590MC-CAB-AX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your UPD78F0590MC-CAB-AX requirements.
6.How does Aetrix verify that UPD78F0590MC-CAB-AX is sourced from the original manufacturer or authorized distributors?
All UPD78F0590MC-CAB-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 UPD78F0590MC-CAB-AX meets industry standards.
7.What is the process for return or replacement of UPD78F0590MC-CAB-AX?
All UPD78F0590MC-CAB-AX units undergo pre-shipment inspection (PSI). If there is an issue with UPD78F0590MC-CAB-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 UPD78F0590MC-CAB-AX part is unused and in its original packaging.
Return procedure for UPD78F0590MC-CAB-AX:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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