Overview
The ST72F521R9T6 is an 8-bit microcontroller from STMicroelectronics, designed for a wide range of applications requiring robust performance and versatile peripheral sets. This microcontroller is part of the ST72 series, known for its high-density flash memory and advanced clock management features. The ST72F521R9T6 is particularly suited for industrial, automotive, and consumer electronics where reliability and low power consumption are critical.
Key Specifications
| Parameter | Value |
|---|---|
| Program Memory | 60K Flash |
| RAM | 2048 bytes (256 bytes stack) |
| Operating Voltage | 3.8V to 5.5V |
| Temperature Range | -40°C to +125°C |
| Package | 64-LQFP (10x10 mm) |
| Clock Sources | Crystal/ceramic resonator oscillators, internal RC oscillator, PLL for 2x frequency multiplication |
| Timers | 5 timers including Main Clock Controller, 2x 16-bit timers, 8-bit PWM Auto-Reload timer |
| Communications Interfaces | SPI, SCI, I2C (SMbus V1.1 compliant), CAN (2.0B Passive) |
| Analog Peripherals | 10-bit ADC with 16 input ports |
| I/O Ports | Up to 64 I/O ports, including 48 multifunctional bidirectional I/O lines and 16 high sink outputs |
Key Features
- High-Density Flash Memory: 60K dual voltage High Density Flash (HDFlash) with read-out protection capability, In-Application Programming, and In-Circuit Programming.
- Advanced Clock Management: Main Clock Controller with real-time base, beep, and clock-out capabilities. PLL for 2x frequency multiplication and multiple oscillator options.
- Power Saving Modes: Four power saving modes: Halt, Active-Halt, Wait, and Slow modes to optimize power consumption.
- Interrupt Management: Nested interrupt controller with 14 interrupt vectors plus TRAP and RESET, Top Level Interrupt (TLI) pin, and 15 external interrupt lines.
- Communications Interfaces: SPI, SCI, I2C (SMbus V1.1 compliant), and CAN (2.0B Passive) interfaces for versatile communication needs).
- Analog Peripherals: 10-bit ADC with 16 robust input ports for analog signal processing).
Applications
The ST72F521R9T6 microcontroller is suitable for a variety of applications, including:
- Industrial Control Systems: Due to its robust performance and low power consumption, it is ideal for industrial automation and control systems.
- Automotive Systems: The microcontroller's ability to operate over a wide temperature range and its advanced clock management make it suitable for automotive applications.
- Consumer Electronics: It can be used in consumer electronics that require reliable and efficient microcontrollers, such as home appliances and personal devices.
- IoT Devices: The ST72F521R9T6's versatile communication interfaces and power-saving modes make it a good fit for Internet of Things (IoT) devices.
Q & A
- What is the program memory capacity of the ST72F521R9T6?
The ST72F521R9T6 has a program memory capacity of 60K Flash).
- What are the operating voltage and temperature ranges for the ST72F521R9T6?
The operating voltage range is 3.8V to 5.5V, and the temperature range is -40°C to +125°C).
- What types of timers are available on the ST72F521R9T6?
The microcontroller features five timers, including a Main Clock Controller, two 16-bit timers, and an 8-bit PWM Auto-Reload timer).
- Does the ST72F521R9T6 support any communication interfaces?
Yes, it supports SPI, SCI, I2C (SMbus V1.1 compliant), and CAN (2.0B Passive) interfaces).
- What is the resolution of the ADC on the ST72F521R9T6?
The ADC has a resolution of 10 bits with 16 robust input ports).
- How many I/O ports does the ST72F521R9T6 have?
The microcontroller has up to 64 I/O ports, including 48 multifunctional bidirectional I/O lines and 16 high sink outputs).
- What power saving modes are available on the ST72F521R9T6?
The microcontroller features four power saving modes: Halt, Active-Halt, Wait, and Slow modes).
- Is the ST72F521R9T6 still in production?
No, the ST72F521R9T6 is no longer manufactured and is considered obsolete).
- What is the package type of the ST72F521R9T6?
The package type is 64-LQFP (10x10 mm)).
- Does the ST72F521R9T6 have any low voltage detection features?
Yes, it includes an enhanced low voltage supervisor (LVD) for the main supply and an auxiliary voltage detector (AVD) with interrupt capability).
