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Renesas UPD78F0531AGA-HAB-AX
- Part No.:
- UPD78F0531AGA-HAB-AX
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-TQFP
- Datasheet:
-
UPD78F0531AGA-HAB-AX.pdf
- Description:
- IC MCU 8BIT 16KB FLASH 64TQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,797
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Product details
Overview
UPD78F0531AGA-HAB-AX from Renesas Electronics is an 8-bit single-chip microcontroller in the 78K0/KE2 family, featuring 64 KB on-chip Flash memory, 4 KB RAM, and a 16-bit timer array unit. It operates at up to 20 MHz with 5 V supply and supports 8-channel 10-bit A/D conversion for embedded control in industrial sensors and motor drives.
For engineers reviewing the UPD78F0531AGA-HAB-AX datasheet, UPD78F0531AGA-HAB-AX pinout, UPD78F0531AGA-HAB-AX application, or UPD78F0531AGA-HAB-AX equivalent, key selection criteria include Flash endurance (100,000 erase/write cycles), operating temperature range (−40°C to +85°C), and compatibility with RA78K0 assembler and CC78K0 C compiler toolchains.
Technical Context
The UPD78F0531AGA-HAB-AX implements the 78K0 CPU core with 16-bit ALU, 128-byte register bank, and instruction cycle time of 0.05–0.2 μs depending on clock source. It integrates a 16-bit timer array unit (TAU) with capture/compare and PWM output capability, plus a serial interface supporting UART, CSI, and I2C modes.
On-chip peripherals include a 10-bit A/D converter with 8 input channels and 12.5 μs conversion time, a watchdog timer with independent clock, and power-on reset circuitry with built-in voltage detector (VDD = 4.5–5.5 V). The device uses SuperFlash® technology licensed from SST for Flash memory programming.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | 78K0 8-bit CPU with 16-bit ALU and 128-byte register bank |
| Max Clock Frequency | 20 MHz - enables real-time response in motor control loops |
| Flash Memory | 64 KB - sufficient for firmware with bootloader and safety monitoring routines |
| RAM Size | 4 KB - supports stack depth and data buffering for multi-tasking applications |
| A/D Converter | 10-bit, 8-channel - provides resolution adequate for analog sensor interfacing (e.g., thermistors, potentiometers) |
| Operating Voltage | 4.5 V to 5.5 V - compatible with standard 5 V industrial logic rails |
| Temperature Range | −40°C to +85°C - qualified for use in factory automation and outdoor equipment |
| Flash Endurance | 100,000 erase/write cycles - supports field firmware updates over product lifetime |
Pinout & Package
This device is housed in a 100-pin LQFP package (14 mm × 14 mm, 0.5 mm pitch) with exposed thermal pad. Pin functions are defined per Renesas User's Manual Rev.4.01 Section 2.1.4 (78K0/KE2).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P00–P06 | Port 0 bidirectional I/O | General-purpose digital I/O with pull-up option; P00–P03 support external interrupt inputs |
| P10–P17 | Port 1 bidirectional I/O | Includes UART TX/RX (P10/P11), CSI clock/data (P12/P13), and I²C SCL/SDA (P14/P15) |
| P20–P27 | Port 2 bidirectional I/O | Supports TAU channel outputs (PWM), A/D input channels AN0–AN7, and external bus interface signals |
| RESET | Active-low reset input | Asynchronous reset with internal pull-up; requires external capacitor for noise immunity |
| VDD / VSS | Power supply / ground | Dual power domains: VDD/EVDD (5 V core/I/O), AVREF/AVSS (analog reference/ground) |
| REGC | Regulator capacitor terminal | Connects 1 μF ceramic capacitor to stabilize on-chip voltage regulator for internal logic |
Key Features
| Feature | Design Value |
|---|---|
| On-chip Flash with self-programming | Enables in-field firmware updates without external programmer; library supports erase/write via user code |
| 16-bit Timer Array Unit (TAU) | Four independent 16-bit timers with capture/compare, PWM generation, and dead-time insertion for motor gate drive |
| 10-bit A/D Converter | 8-channel simultaneous sampling with hardware-triggered conversion; conversion time ≤12.5 μs at 20 MHz |
| Serial Interface Options | Configurable as UART (full-duplex), CSI (synchronous master/slave), or I²C (standard/fast mode) |
| Watchdog Timer | Independent RC oscillator clock source ensures reliable system recovery even if main clock fails |
| Voltage Detector | Built-in circuit monitors VDD and asserts reset if voltage drops below 4.3 V ±0.2 V |
Applications
| Industrial Motor Control | Smart Sensor Node |
|---|---|
Use Scenario: Closed-loop speed and position control of BLDC motors in HVAC blowers and conveyor systems. IC Role / Device Role / Timing Role: Main controller executing PID algorithms, generating complementary PWM signals, and reading encoder feedback via TAU capture inputs. Use Value: Integrated TAU with dead-time control eliminates need for external gate driver logic; 10-bit A/D resolves current-sense shunt voltage with <1% error. | Use Scenario: Battery-powered environmental monitor measuring temperature, humidity, and CO₂ using analog and digital sensors. IC Role / Device Role / Timing Role: System-on-chip managing sensor polling, data preprocessing, low-power sleep scheduling, and UART-based telemetry transmission. Use Value: On-chip voltage detector and watchdog enable robust brown-out recovery; Flash endurance supports 10+ years of over-the-air firmware patches. |
| Programmable Logic Controller (PLC) I/O Module | Home Appliance Control Board |
Use Scenario: DIN-rail mounted I/O expansion module converting discrete 24 V inputs to Modbus RTU over RS-485. IC Role / Device Role / Timing Role: Protocol handler and digital I/O conditioner interfacing with optocouplers and RS-485 transceivers. Use Value: Multiple UART channels allow simultaneous host communication and peripheral bridging; 100-pin LQFP provides ample GPIO for isolation and status LED control. | Use Scenario: Washing machine main control board managing water valves, drum motor, heater, and user interface. IC Role / Device Role / Timing Role: Central MCU coordinating sequential operation, fault detection (overcurrent, overheating), and UI display updates. Use Value: 64 KB Flash accommodates full state-machine logic plus diagnostic logging; 4 KB RAM buffers sensor history for adaptive wash cycle tuning. |
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, lower power (120 μA/MHz), no TAU but has 16-bit timer B | Better suited for battery-powered devices; lacks dedicated motor control peripherals like dead-time insertion | Select when ultra-low power or smaller code footprint is prioritized over high-resolution PWM timing |
| UPD78F0532AGA-HAB-AX | Same 78K0/KE2 family, 96 KB Flash, identical pinout and peripheral set | Direct upgrade path for applications requiring larger firmware image or future feature expansion | Choose when additional Flash space is needed without changing PCB layout or software architecture |
Compared with UPD78F0531AGA-HAB-AX, R5F100LEAFB#30 offers superior energy efficiency but reduced PWM precision, while UPD78F0532AGA-HAB-AX delivers identical functionality with expanded memory-making it a seamless drop-in replacement where firmware size exceeds 64 KB.
Availability
UPD78F0531AGA-HAB-AX is available at Aetrix Electronics and suitable for industrial motor control, smart sensor nodes, and programmable logic controller (PLC) I/O modules requiring stable component supply across long-lifecycle production programs.
Supply support for UPD78F0531AGA-HAB-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 management ICs for industrial, automotive, and infrastructure markets.
The 78K0/KE2 product line was designed for cost-sensitive, high-reliability embedded control applications demanding deterministic real-time performance and long-term supply stability in factory automation and home appliances.
FAQ
What is the maximum operating frequency of the UPD78F0531AGA-HAB-AX?
The UPD78F0531AGA-HAB-AX supports a maximum system clock frequency of 20 MHz when using the on-chip high-speed oscillator or an external crystal. At this frequency, the instruction cycle time ranges from 0.05 μs (for single-cycle instructions) to 0.2 μs (for multi-cycle operations), enabling responsive real-time control in applications such as motor commutation and sensor sampling. The device also supports lower-frequency modes for power optimization.
Does the UPD78F0531AGA-HAB-AX include on-chip debug support?
Yes, the UPD78F0531AGA-HAB-AX supports on-chip debugging via the single-wire debug interface compatible with QB-MINI2 and ID78K0-QB tools. This allows full breakpoint control, register inspection, and memory read/write during active execution without requiring external JTAG hardware. Debug functionality is enabled by default and does not consume user Flash or RAM resources in the UPD78F0531AGA-HAB-AX.
What development tools are officially supported for the UPD78F0531AGA-HAB-AX?
Renesas officially supports the RA78K0 Ver.4.01 assembler and CC78K0 Ver.4.00 C compiler for the UPD78F0531AGA-HAB-AX, along with PM+ Ver.6.30 IDE and QB-MINI2 debugger. These tools provide full register mapping, peripheral initialization wizards, and Flash programming utilities validated specifically for the 78K0/KE2 family including the UPD78F0531AGA-HAB-AX.
Can the UPD78F0531AGA-HAB-AX operate from a 3.3 V supply?
No, the UPD78F0531AGA-HAB-AX is specified only for 4.5 V to 5.5 V operation per its electrical characteristics. Its I/O structure, internal regulators, and Flash programming voltage requirements are designed for 5 V logic levels. Using 3.3 V will result in undefined behavior, failed A/D conversions, and inability to program Flash memory. For 3.3 V systems, consider Renesas RL78/G13 alternatives instead of the UPD78F0531AGA-HAB-AX.
How many A/D input channels does the UPD78F0531AGA-HAB-AX support?
The UPD78F0531AGA-HAB-AX supports eight analog input channels (AN0 through AN7), all mapped to Port 2 pins (P20–P27). Each channel provides 10-bit resolution with a typical conversion time of 12.5 μs at 20 MHz system clock, and supports hardware triggering from TAU or interval timer events - a capability confirmed in the 78K0/Kx2 Hardware User's Manual Rev.4.01 for the UPD78F0531AGA-HAB-AX.
UPD78F0531AGA-HAB-AX Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 64-TQFP
- 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:
- 55
- 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:
UPD78F0531AGA-HAB-AX FAQ
1.How can I place an order for UPD78F0531AGA-HAB-AX through Aetrix?
Please submit a Request for Quotation (RFQ) for UPD78F0531AGA-HAB-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 UPD78F0531AGA-HAB-AX reliable?
The price and inventory of UPD78F0531AGA-HAB-AX are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for UPD78F0531AGA-HAB-AX is usually 5 days.
3.What payment methods are accepted for UPD78F0531AGA-HAB-AX?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for UPD78F0531AGA-HAB-AX transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for UPD78F0531AGA-HAB-AX?
UPD78F0531AGA-HAB-AX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your UPD78F0531AGA-HAB-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 UPD78F0531AGA-HAB-AX?
For technical support, including UPD78F0531AGA-HAB-AX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your UPD78F0531AGA-HAB-AX requirements.
6.How does Aetrix verify that UPD78F0531AGA-HAB-AX is sourced from the original manufacturer or authorized distributors?
All UPD78F0531AGA-HAB-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 UPD78F0531AGA-HAB-AX meets industry standards.
7.What is the process for return or replacement of UPD78F0531AGA-HAB-AX?
All UPD78F0531AGA-HAB-AX units undergo pre-shipment inspection (PSI). If there is an issue with UPD78F0531AGA-HAB-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 UPD78F0531AGA-HAB-AX part is unused and in its original packaging.
Return procedure for UPD78F0531AGA-HAB-AX:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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