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Renesas UPD78F0537AGA-HAB-AX
- Part No.:
- UPD78F0537AGA-HAB-AX
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-TQFP
- Datasheet:
-
UPD78F0537AGA-HAB-AX.pdf
- Description:
- IC MCU 8BIT 128KB FLASH 64TQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,321
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Product details
Overview
UPD78F0537AGA-HAB-AX from Renesas Electronics is an 8-bit single-chip microcontroller in the 78K0/KE2 family, featuring 128 KB on-chip Flash memory, 8 KB RAM, and a 20 MHz maximum CPU clock. It integrates 10-bit ADC (8 channels), UART, I²C, and 16-bit timer arrays, and operates across industrial temperature range (−40°C to +85°C) in a 100-pin LQFP package. It is used in motor control subsystems for HVAC blowers and industrial pump controllers.
For engineers reviewing the UPD78F0537AGA-HAB-AX datasheet, UPD78F0537AGA-HAB-AX pinout, UPD78F0537AGA-HAB-AX application, or UPD78F0537AGA-HAB-AX equivalent, key selection criteria include Flash endurance (100,000 write/erase cycles), ADC sampling rate (up to 1.25 MSPS), interrupt latency (as low as 3 cycles), and support for on-chip self-programming via dedicated library.
Technical Context
The UPD78F0537AGA-HAB-AX implements the 78K0 CPU core with 16-bit address space and 8-bit data path, executing instructions at up to 20 MHz using internal high-speed oscillator or external crystal (1–20 MHz). Its peripheral set includes three 16-bit timer arrays supporting PWM generation, input capture, and interval timing, plus a watchdog timer with independent clock source.
Memory architecture comprises 128 KB of on-chip Flash (organized in 1 KB blocks), 8 KB of RAM, and 1 KB of data flash for EEPROM emulation. The device supports boot swap functionality and includes hardware CRC calculation unit for firmware integrity verification during self-programming operations.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | 78K0 8-bit CISC core with 20 MHz max operation and 3-cycle min interrupt response |
| Flash Memory | 128 KB on-chip Flash with 100,000 write/erase cycles and 20-year data retention |
| RAM | 8 KB on-chip SRAM, accessible in single-cycle read/write |
| ADC | 10-bit successive-approximation ADC with 8 input channels and 1.25 MSPS max sampling rate |
| Timers | Three 16-bit timer arrays (TAU), each with 4 channels supporting PWM, input capture, and reload functions |
| Communication | One UART channel, one I²C bus interface (master/slave), and one CSI interface |
| Operating Voltage | 2.7 V to 5.5 V supply range, enabling direct interface with legacy 5 V logic and modern 3.3 V peripherals |
| Temperature Range | −40°C to +85°C ambient operating range, qualified per industrial-grade reliability standards |
Pinout & Package
UPD78F0537AGA-HAB-AX is housed in a 100-pin LQFP (14 mm × 14 mm, 0.5 mm pitch) package with exposed thermal pad. Pin functions are defined per Renesas Hardware 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 pins with selectable pull-up; P00–P03 support analog input for ADC |
| P10–P17 | Port 1 bidirectional I/O | Support UART TX/RX, I²C SCL/SDA, and timer array output functions |
| P20–P27 | Port 2 bidirectional I/O | Timer array input capture, external interrupt inputs, and reset-injection capability |
| AVREF/AVSS | Analog reference inputs | Provide stable reference voltage and ground for 10-bit ADC conversion accuracy |
| RESET | Active-low reset input | Asynchronous reset signal with built-in de-glitching; accepts external reset or internal watchdog timeout |
| REGC | Regulator control | Enables internal voltage regulator for core logic; must be connected to 0.1 µF decoupling capacitor |
Key Features
| Feature | Design Value |
|---|---|
| On-chip Flash programming | Self-programmable Flash with dedicated library support for field firmware updates without external programmer |
| Hardware CRC unit | Dedicated 16-bit CRC generator accelerating firmware checksum validation during boot and OTA update |
| EEPROM emulation | 1 KB data flash configured as emulated EEPROM with wear-leveling and atomic write protection |
| Low-power modes | Four power-saving modes (HALT, STOP, SNOOZE, and IDLE) with wake-up via external interrupt or timer event |
| ADC trigger synchronization | Hardware-triggered ADC sampling synchronized to timer array outputs for precise motor phase current measurement |
| Watchdog timer | Independent watchdog with RC oscillator source, ensuring fail-safe recovery even if main clock fails |
Applications
| Industrial Motor Control | Building Automation Sensors |
|---|---|
Use Scenario: Closed-loop speed and torque control of 3-phase BLDC fans in commercial HVAC units. IC Role / Device Role / Timing Role: Main system controller executing FOC algorithm, managing gate driver timing, and processing current/voltage feedback via ADC. Use Value: Integrated 16-bit timer arrays enable precise 20 kHz PWM generation with dead-time insertion; 10-bit ADC provides sufficient resolution for shunt-based current sensing. | Use Scenario: Wireless sensor node monitoring CO₂, temperature, and humidity in smart office environments. IC Role / Device Role / Timing Role: Sensor hub aggregating analog and digital sensor data, performing local preprocessing, and managing low-power wireless transmission scheduling. Use Value: Ultra-low-power STOP mode (0.9 µA typical) extends battery life; on-chip data flash enables reliable logging of environmental trends without external EEPROM. |
| Factory Floor PLC I/O Module | Medical Diagnostic Equipment Interface |
Use Scenario: DIN-rail mounted digital I/O expansion module for programmable logic controllers in packaging lines. IC Role / Device Role / Timing Role: Isolated digital input conditioner and relay driver controller with real-time status reporting over RS-485. Use Value: High-noise immunity achieved via Schmitt-trigger inputs and configurable debounce timers; UART with automatic baud-rate detection simplifies integration with legacy PLC backplanes. | Use Scenario: Front-end signal conditioning and control unit in portable ultrasound probe interfaces. IC Role / Device Role / Timing Role: Analog front-end supervisor coordinating transducer bias sequencing, gain switching, and echo digitization timing. Use Value: Precise 10-bit ADC sampling synchronized to ultrasonic pulse emission ensures consistent time-of-flight measurement; industrial temp grade guarantees stability during extended clinical use. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 8-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F100PLGSP#V0 | RL78/G13 core, 32 KB Flash, 4 KB RAM, lower power consumption (125 µA/MHz), no hardware CRC unit | Better suited for ultra-low-power sensor nodes where Flash size and advanced peripherals are secondary | Select when energy efficiency outweighs need for large code space and hardware-assisted firmware validation |
| UPD78F0536AGA-GAH-AX | Same 78K0/KE2 family, identical pinout and package, but with 96 KB Flash and 6 KB RAM | Direct drop-in replacement where reduced memory footprint is acceptable and cost sensitivity is high | Choose for cost-optimized designs retaining full peripheral compatibility and layout reuse |
Compared with UPD78F0537AGA-HAB-AX, R5F100PLGSP#V0 offers superior active power efficiency but sacrifices Flash capacity and hardware CRC-critical for secure firmware updates-while UPD78F0536AGA-GAH-AX delivers identical peripheral functionality and pin compatibility at lower memory density and cost.
Availability
UPD78F0537AGA-HAB-AX is available at Aetrix Electronics and suitable for industrial motor control, building automation sensors, factory floor PLC I/O modules, and medical diagnostic equipment interface applications requiring stable component supply and long-term production continuity.
Supply support for UPD78F0537AGA-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, power, and SoC solutions for industrial, automotive, and infrastructure markets.
The 78K0/KE2 product line was designed for cost-sensitive, high-reliability industrial embedded systems requiring deterministic real-time performance, robust peripheral integration, and long-lifecycle support-particularly in motor control and sensor interface applications.
FAQ
What is the maximum operating frequency of the UPD78F0537AGA-HAB-AX?
The UPD78F0537AGA-HAB-AX supports a maximum CPU clock frequency of 20 MHz, achievable using either the internal high-speed oscillator or an external crystal/resonator in the 1–20 MHz range. This frequency enables deterministic execution of real-time control loops with sub-microsecond interrupt latency, critical for applications like brushless DC motor commutation where timing precision directly affects torque ripple and acoustic noise.
Does the UPD78F0537AGA-HAB-AX support in-system programming (ISP)?
Yes, the UPD78F0537AGA-HAB-AX supports in-system programming via its on-chip self-programming library, allowing firmware updates through UART or other serial interfaces without removing the device from the PCB. The UPD78F0537AGA-HAB-AX includes dedicated Flash block protection and erase/write control registers, and Renesas provides validated library routines (U17516E) for safe field reprogramming with error-checking and rollback capability.
What is the ADC resolution and channel count on the UPD78F0537AGA-HAB-AX?
The UPD78F0537AGA-HAB-AX integrates a 10-bit successive-approximation ADC with eight analog input channels. It achieves a maximum sampling rate of 1.25 million samples per second under optimal conditions, with built-in sample-and-hold circuitry and hardware trigger synchronization to timer array events-enabling accurate current sensing in motor control applications where phase alignment between PWM and ADC sampling is essential.
Is the UPD78F0537AGA-HAB-AX pin-compatible with other 78K0/KE2 devices?
Yes, the UPD78F0537AGA-HAB-AX shares the same 100-pin LQFP package and pin assignment with other members of the 78K0/KE2 family, including UPD78F0536AGA-GAH-AX and UPD78F0535AGA-GAH-AX. This allows direct substitution within the same package variant, provided software accommodates differences in Flash size, RAM allocation, and peripheral enablement-verified in Renesas Hardware User's Manual Rev.4.01, Section 2.1.4.
What industrial temperature rating does the UPD78F0537AGA-HAB-AX have?
The UPD78F0537AGA-HAB-AX is rated for industrial temperature operation from −40°C to +85°C, meeting Renesas' "Standard" quality grade requirements for use in computers, office equipment, industrial robots, and factory automation systems. This rating is confirmed in the device's ordering information and electrical characteristics tables within the official Renesas datasheet and hardware manual, ensuring reliable operation in uncontrolled ambient environments typical of manufacturing floors and outdoor enclosures.
UPD78F0537AGA-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:
- 128KB (128K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 7K 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:
UPD78F0537AGA-HAB-AX FAQ
1.How can I place an order for UPD78F0537AGA-HAB-AX through Aetrix?
Please submit a Request for Quotation (RFQ) for UPD78F0537AGA-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 UPD78F0537AGA-HAB-AX reliable?
The price and inventory of UPD78F0537AGA-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 UPD78F0537AGA-HAB-AX is usually 5 days.
3.What payment methods are accepted for UPD78F0537AGA-HAB-AX?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for UPD78F0537AGA-HAB-AX transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for UPD78F0537AGA-HAB-AX?
UPD78F0537AGA-HAB-AX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your UPD78F0537AGA-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 UPD78F0537AGA-HAB-AX?
For technical support, including UPD78F0537AGA-HAB-AX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your UPD78F0537AGA-HAB-AX requirements.
6.How does Aetrix verify that UPD78F0537AGA-HAB-AX is sourced from the original manufacturer or authorized distributors?
All UPD78F0537AGA-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 UPD78F0537AGA-HAB-AX meets industry standards.
7.What is the process for return or replacement of UPD78F0537AGA-HAB-AX?
All UPD78F0537AGA-HAB-AX units undergo pre-shipment inspection (PSI). If there is an issue with UPD78F0537AGA-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 UPD78F0537AGA-HAB-AX part is unused and in its original packaging.
Return procedure for UPD78F0537AGA-HAB-AX:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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