Overview
The ST72F521M9T6TR is an 8-bit microcontroller from STMicroelectronics, part of the ST7 family. This device is designed for a wide range of applications requiring high performance, low power consumption, and advanced peripheral features. Although it is now obsolete and no longer manufactured, it remains a significant component in legacy systems and for educational purposes.
Key Specifications
| Specification | Details |
|---|---|
| Microcontroller Type | 8-bit |
| Maximum Clock Frequency | 8 MHz |
| Program Memory | 60 KB (60K x 8) FLASH |
| RAM | 2048 bytes (256 bytes stack) |
| Operating Voltage | 3.8V to 5.5V |
| Temperature Range | -40°C to +125°C |
| Package Type | TQFP80 (14x14 mm), TQFP64 (14x14 mm and 10x10 mm) |
| Number of I/O Ports | Up to 64 I/O Ports (48 multifunctional bidirectional I/O lines, 34 alternate function lines, 16 high sink outputs) |
| Timers | 5 Timers (Main Clock Controller, 2 x 16-bit timers, 8-bit PWM Auto-Reload timer) |
| Communication Interfaces | SPI, SCI, I2C (SMbus V1.1 compliant), CAN (2.0B Passive) |
| Analog Peripherals | 10-bit ADC with 16 input ports |
Key Features
- Main Clock Controller: Real time base, Beep, and Clock-out capabilities.
- Watchdog Timer: Configurable watchdog timer.
- Timers: Two 16-bit timers with input captures, output compares, PWM, and pulse generator modes. Additionally, an 8-bit PWM Auto-Reload timer.
- Communication Interfaces: SPI, SCI, I2C (SMbus V1.1 compliant), and CAN (2.0B Passive) interfaces.
- Analog Peripherals: 10-bit ADC with 16 robust input ports.
- Power Saving Modes: Halt, Active-Halt, Wait, and Slow modes.
- Interrupt Management: Nested interrupt controller with 14 interrupt vectors plus TRAP and RESET, Top Level Interrupt (TLI) pin, and 15 external interrupt lines.
- Low Voltage Supervisor: Enhanced low voltage supervisor (LVD) for main supply and auxiliary voltage detector (AVD) with interrupt capability.
Applications
The ST72F521M9T6TR microcontroller is suitable for a variety of applications, including:
- Industrial Control Systems: Due to its robust peripheral set and low power consumption, it is ideal for industrial automation and control systems.
- Automotive Systems: The device's ability to operate over a wide temperature range and its CAN interface make it suitable for automotive applications.
- Consumer Electronics: It can be used in various consumer electronic devices requiring advanced features and low power consumption.
- Medical Devices: The 10-bit ADC and other analog peripherals make it a good fit for medical devices that require precise analog measurements.
Q & A
- What is the maximum clock frequency of the ST72F521M9T6TR microcontroller?
The maximum clock frequency is 8 MHz.
- How much program memory does the ST72F521M9T6TR have?
The device has 60 KB (60K x 8) of FLASH program memory.
- What is the operating voltage range of the ST72F521M9T6TR?
The operating voltage range is from 3.8V to 5.5V.
- What types of communication interfaces are available on the ST72F521M9T6TR?
The device features SPI, SCI, I2C (SMbus V1.1 compliant), and CAN (2.0B Passive) interfaces.
- Does the ST72F521M9T6TR have any power saving modes?
Yes, it has Halt, Active-Halt, Wait, and Slow power saving modes.
- What is the resolution of the ADC on the ST72F521M9T6TR?
The ADC has a resolution of 10 bits with 16 input ports.
- Is the ST72F521M9T6TR still in production?
No, the ST72F521M9T6TR is obsolete and no longer manufactured.
- What are the package options for the ST72F521M9T6TR?
The device is available in TQFP80 (14x14 mm), TQFP64 (14x14 mm), and TQFP64 (10x10 mm) packages.
- Does the ST72F521M9T6TR have a watchdog timer?
Yes, it has a configurable watchdog timer.
- How many I/O ports does the ST72F521M9T6TR have?
The device has up to 64 I/O ports, including 48 multifunctional bidirectional I/O lines, 34 alternate function lines, and 16 high sink outputs.
