Comprehensive Guide to the ST72F324BK4T3 Microcontroller
16KB 16K x 8 FLASH 8-Bit Microcontroller ST7 Series ST72F32 32 Pin 8MHz 32-LQFP









16KB 16K x 8 FLASH 8-Bit Microcontroller ST7 Series ST72F32 32 Pin 8MHz 32-LQFP
The ST72F324BK4T3 microcontroller from STMicroelectronics offers a wide range of features and capabilities for embedded systems. This article provides a comprehensive overview of the microcontroller, covering its description, features, applications, reference designs, alternative parts, and FAQs.
Product Introduction
1. Description
The ST72F324BK4T3 microcontroller is a powerful embedded system solution designed to meet the diverse needs of industrial and consumer applications. It features a rich set of on-chip peripherals and advanced architectural features, making it suitable for a wide range of embedded control systems.
2. Features
The microcontroller boasts an array of features including Flash program memory, a central processing unit with various registers, supply reset and clock management capabilities, interrupts handling, power-saving modes, I/O ports, and on-chip peripherals such as the watchdog timer, main clock controller with real-time clock and beeper, and a 16-bit timer module. These features enable the microcontroller to address the demanding requirements of modern embedded applications.
3. Applications
The ST72F324BK4T3 microcontroller finds primary applications in industrial automation, automotive systems, home appliances, consumer electronics, and other embedded control systems. It provides the necessary computational power, memory, and peripheral interfaces to support a wide range of real-time control and monitoring applications.
4. FAQs
Q: What are the primary applications of the ST72F324BK4T3 microcontroller?
A: The microcontroller is commonly used in industrial automation, automotive systems, home appliances, consumer electronics, and various embedded control systems due to its rich feature set and advanced architectural design.
Q: What are the key features of the on-chip peripherals of the ST72F324BK4T3?
A: The microcontroller includes on-chip peripherals such as the watchdog timer, main clock controller with real-time clock and beeper, and a 16-bit timer module, providing essential timing and supervision capabilities for embedded systems.
Q: Can the ST72F324BK4T3 microcontroller operate in power-saving modes?
A: Yes, the microcontroller supports various power-saving modes including slow mode, wait mode, active halt, and halt mode, allowing for efficient power management in embedded applications.
Q: Are there alternative parts available for the ST72F324BK4T3 microcontroller?
A: Yes, STMicroelectronics offers alternative parts within the microcontroller family, providing engineers with flexibility in selecting the most suitable microcontroller for their specific application requirements.
Specifications
- TypeParameter
- Package / Case
refers to the protective housing that encases an electronic component, providing mechanical support, electrical connections, and thermal management.
32-LQFP - Mounting Type
The "Mounting Type" in electronic components refers to the method used to attach or connect a component to a circuit board or other substrate, such as through-hole, surface-mount, or panel mount.
Surface Mount - Mount
In electronic components, the term "Mount" typically refers to the method or process of physically attaching or fixing a component onto a circuit board or other electronic device. This can involve soldering, adhesive bonding, or other techniques to secure the component in place. The mounting process is crucial for ensuring proper electrical connections and mechanical stability within the electronic system. Different components may have specific mounting requirements based on their size, shape, and function, and manufacturers provide guidelines for proper mounting procedures to ensure optimal performance and reliability of the electronic device.
Surface Mount - Number of Pins32
- Number of I/Os24
- ROM(word)16384
- Power Dissipation (Max)500mW
- Data ConvertersA/D 12x10b
- Operating Temperature
The operating temperature is the range of ambient temperature within which a power supply, or any other electrical equipment, operate in. This ranges from a minimum operating temperature, to a peak or maximum operating temperature, outside which, the power supply may fail.
-40°C~125°C TA - Packaging
Semiconductor package is a carrier / shell used to contain and cover one or more semiconductor components or integrated circuits. The material of the shell can be metal, plastic, glass or ceramic.
Tray - Series
In electronic components, the "Series" refers to a group of products that share similar characteristics, designs, or functionalities, often produced by the same manufacturer. These components within a series typically have common specifications but may vary in terms of voltage, power, or packaging to meet different application needs. The series name helps identify and differentiate between various product lines within a manufacturer's catalog.
ST7 - JESD-609 Code
The "JESD-609 Code" in electronic components refers to a standardized marking code that indicates the lead-free solder composition and finish of electronic components for compliance with environmental regulations.
e3 - Part Status
Parts can have many statuses as they progress through the configuration, analysis, review, and approval stages.
Obsolete - Moisture Sensitivity Level (MSL)
Moisture Sensitivity Level (MSL) is a standardized rating that indicates the susceptibility of electronic components, particularly semiconductors, to moisture-induced damage during storage and the soldering process, defining the allowable exposure time to ambient conditions before they require special handling or baking to prevent failures
3 (168 Hours) - Number of Terminations32
- ECCN Code
An ECCN (Export Control Classification Number) is an alphanumeric code used by the U.S. Bureau of Industry and Security to identify and categorize electronic components and other dual-use items that may require an export license based on their technical characteristics and potential for military use.
EAR99 - Terminal Finish
Terminal Finish refers to the surface treatment applied to the terminals or leads of electronic components to enhance their performance and longevity. It can improve solderability, corrosion resistance, and overall reliability of the connection in electronic assemblies. Common finishes include nickel, gold, and tin, each possessing distinct properties suitable for various applications. The choice of terminal finish can significantly impact the durability and effectiveness of electronic devices.
Tin (Sn) - Voltage - Supply
Voltage - Supply refers to the range of voltage levels that an electronic component or circuit is designed to operate with. It indicates the minimum and maximum supply voltage that can be applied for the device to function properly. Providing supply voltages outside this range can lead to malfunction, damage, or reduced performance. This parameter is critical for ensuring compatibility between different components in a circuit.
5V - Terminal Position
In electronic components, the term "Terminal Position" refers to the physical location of the connection points on the component where external electrical connections can be made. These connection points, known as terminals, are typically used to attach wires, leads, or other components to the main body of the electronic component. The terminal position is important for ensuring proper connectivity and functionality of the component within a circuit. It is often specified in technical datasheets or component specifications to help designers and engineers understand how to properly integrate the component into their circuit designs.
QUAD - Terminal Form
Occurring at or forming the end of a series, succession, or the like; closing; concluding.
GULL WING - Peak Reflow Temperature (Cel)
Peak Reflow Temperature (Cel) is a parameter that specifies the maximum temperature at which an electronic component can be exposed during the reflow soldering process. Reflow soldering is a common method used to attach electronic components to a circuit board. The Peak Reflow Temperature is crucial because it ensures that the component is not damaged or degraded during the soldering process. Exceeding the specified Peak Reflow Temperature can lead to issues such as component failure, reduced performance, or even permanent damage to the component. It is important for manufacturers and assemblers to adhere to the recommended Peak Reflow Temperature to ensure the reliability and functionality of the electronic components.
235 - Terminal Pitch
The center distance from one pole to the next.
0.8mm - Frequency
In electronic components, the parameter "Frequency" refers to the rate at which a signal oscillates or cycles within a given period of time. It is typically measured in Hertz (Hz) and represents how many times a signal completes a full cycle in one second. Frequency is a crucial aspect in electronic components as it determines the behavior and performance of various devices such as oscillators, filters, and communication systems. Understanding the frequency characteristics of components is essential for designing and analyzing electronic circuits to ensure proper functionality and compatibility with other components in a system.
8MHz - Time@Peak Reflow Temperature-Max (s)
Time@Peak Reflow Temperature-Max (s) refers to the maximum duration that an electronic component can be exposed to the peak reflow temperature during the soldering process, which is crucial for ensuring reliable solder joint formation without damaging the component.
30 - Base Part Number
The "Base Part Number" (BPN) in electronic components serves a similar purpose to the "Base Product Number." It refers to the primary identifier for a component that captures the essential characteristics shared by a group of similar components. The BPN provides a fundamental way to reference a family or series of components without specifying all the variations and specific details.
ST72F32 - Power Supplies
an electronic circuit that converts the voltage of an alternating current (AC) into a direct current (DC) voltage.?
5V - Interface
In electronic components, the term "Interface" refers to the point at which two different systems, devices, or components connect and interact with each other. It can involve physical connections such as ports, connectors, or cables, as well as communication protocols and standards that facilitate the exchange of data or signals between the connected entities. The interface serves as a bridge that enables seamless communication and interoperability between different parts of a system or between different systems altogether. Designing a reliable and efficient interface is crucial in ensuring proper functionality and performance of electronic components and systems.
SCI, SPI - Memory Size
The memory capacity is the amount of data a device can store at any given time in its memory.
16kB - Oscillator Type
Wien Bridge Oscillator; RC Phase Shift Oscillator; Hartley Oscillator; Voltage Controlled Oscillator; Colpitts Oscillator; Clapp Oscillators; Crystal Oscillators; Armstrong Oscillator.
Internal - RAM Size
RAM size refers to the amount of random access memory (RAM) available in an electronic component, such as a computer or smartphone. RAM is a type of volatile memory that stores data and instructions that are actively being used by the device's processor. The RAM size is typically measured in gigabytes (GB) and determines how much data the device can store and access quickly for processing. A larger RAM size allows for smoother multitasking, faster loading times, and better overall performance of the electronic component. It is an important factor to consider when choosing a device, especially for tasks that require a lot of memory, such as gaming, video editing, or running multiple applications simultaneously.
512 x 8 - uPs/uCs/Peripheral ICs Type
The parameter "uPs/uCs/Peripheral ICs Type" refers to the classification of various integrated circuits used in electronic devices. It encompasses microprocessors (uPs), microcontrollers (uCs), and peripheral integrated circuits that provide additional functionalities. This classification helps in identifying the specific type of chip used for processing tasks, controlling hardware, or interfacing with other components in a system. Understanding this parameter is essential for selecting the appropriate electronic components for a given application.
MICROCONTROLLER - Peripherals
In the context of electronic components, "Peripherals" refer to devices or components that are connected to a main system or device to enhance its functionality or provide additional features. These peripherals can include input devices such as keyboards, mice, and touchscreens, as well as output devices like monitors, printers, and speakers. Other examples of peripherals include external storage devices, network adapters, and cameras. Essentially, peripherals are external devices that expand the capabilities of a main electronic system or device.
LVD, POR, PWM, WDT - Program Memory Type
Program memory typically refers to flash memory when it is used to hold the program (instructions). Program memory may also refer to a hard drive or solid state drive (SSD). Contrast with data memory.
FLASH - Core Size
Core size in electronic components refers to the physical dimensions of the core material used in devices such as inductors and transformers. The core size directly impacts the performance characteristics of the component, including its inductance, saturation current, and frequency response. A larger core size typically allows for higher power handling capabilities and lower core losses, while a smaller core size may result in a more compact design but with limitations on power handling and efficiency. Designers must carefully select the core size based on the specific requirements of the application to achieve optimal performance and efficiency.
8-Bit - Program Memory Size
Program Memory Size refers to the amount of memory available in an electronic component, such as a microcontroller or microprocessor, that is used to store program instructions. This memory is non-volatile, meaning that the data stored in it is retained even when the power is turned off. The program memory size determines the maximum amount of code that can be stored and executed by the electronic component. It is an important parameter to consider when selecting a component for a specific application, as insufficient program memory size may limit the functionality or performance of the device.
16KB 16K x 8 - Connectivity
In electronic components, "Connectivity" refers to the ability of a component to establish and maintain connections with other components or devices within a circuit. It is a crucial parameter that determines how easily signals can be transmitted between different parts of a circuit. Connectivity can be influenced by factors such as the number of input and output ports, the type of connectors used, and the overall design of the component. Components with good connectivity are essential for ensuring reliable and efficient operation of electronic systems.
SCI, SPI - Supply Current-Max
Supply Current-Max refers to the maximum amount of current that an electronic component or circuit can draw from its power supply under specified operating conditions. It is a critical parameter that determines the power consumption and thermal performance of the device. Exceeding this limit can lead to overheating, potential damage, or failure of the component. Knowing the Supply Current-Max helps in designing circuits that ensure proper operation and reliability.
5.5mA - Bit Size
In electronic components, "Bit Size" refers to the number of bits that can be processed or stored by a particular component. A bit is the smallest unit of data in computing and can have a value of either 0 or 1. The Bit Size parameter is commonly used to describe the capacity or performance of components such as microprocessors, memory modules, and data buses. A larger Bit Size generally indicates a higher processing capability or storage capacity, allowing for more complex operations and larger amounts of data to be handled efficiently. It is an important specification to consider when selecting electronic components for specific applications that require certain levels of performance and data processing capabilities.
8 - Has ADC
Has ADC refers to the presence of an Analog-to-Digital Converter (ADC) in an electronic component. An ADC is a crucial component in many electronic devices as it converts analog signals, such as voltage or current, into digital data that can be processed by a digital system. Having an ADC allows the electronic component to interface with analog signals and convert them into a format that can be manipulated and analyzed digitally. This parameter is important for applications where analog signals need to be converted into digital form for further processing or control.
YES - DMA Channels
DMA (Direct Memory Access) Channels are a feature found in electronic components such as microcontrollers, microprocessors, and peripheral devices. DMA Channels allow data to be transferred directly between peripherals and memory without involving the CPU, thereby reducing the burden on the CPU and improving overall system performance. Each DMA Channel is typically assigned to a specific peripheral device or memory region, enabling efficient data transfer operations. The number of DMA Channels available in a system determines the concurrent data transfer capabilities and can vary depending on the specific hardware design. Overall, DMA Channels play a crucial role in optimizing data transfer efficiency and system performance in electronic devices.
NO - Data Bus Width
The data bus width in electronic components refers to the number of bits that can be transferred simultaneously between the processor and memory. It determines the amount of data that can be processed and transferred in a single operation. A wider data bus allows for faster data transfer speeds and improved overall performance of the electronic device. Common data bus widths include 8-bit, 16-bit, 32-bit, and 64-bit, with higher numbers indicating a larger capacity for data transfer. The data bus width is an important specification to consider when evaluating the speed and efficiency of a computer system or other electronic device.
8b - PWM Channels
PWM Channels, or Pulse Width Modulation Channels, refer to the number of independent PWM outputs available in an electronic component, such as a microcontroller or a motor driver. PWM is a technique used to generate analog-like signals by varying the duty cycle of a square wave signal. Each PWM channel can control the output of a specific device or component by adjusting the pulse width of the signal. Having multiple PWM channels allows for precise control of multiple devices simultaneously, making it a valuable feature in applications such as motor control, LED dimming, and audio signal generation. The number of PWM channels available in a component determines the flexibility and complexity of the system it can control.
YES - DAC Channels
DAC Channels refer to the number of independent analog output channels available in a digital-to-analog converter (DAC) electronic component. Each channel can convert a digital input signal into an analog output voltage or current. The number of DAC channels determines how many separate analog signals can be generated simultaneously by the DAC. For example, a DAC with two channels can output two different analog signals at the same time, while a DAC with only one channel can only output a single analog signal. The number of DAC channels is an important specification to consider when selecting a DAC for applications requiring multiple analog outputs.
NO - Number of Timers/Counters2
- On Chip Program ROM Width
The parameter "On Chip Program ROM Width" refers to the data width of the read-only memory (ROM) implemented on a semiconductor chip. It indicates the number of bits that can be accessed simultaneously in each ROM read operation. A wider ROM width allows for faster data retrieval and processing, as more information can be transferred at once. This parameter is crucial in determining the overall performance and efficiency of electronic devices that utilize programmable ROM for storing firmware or application logic.
8 - Height Seated (Max)
Height Seated (Max) is a parameter in electronic components that refers to the maximum allowable height of the component when it is properly seated or installed on a circuit board or within an enclosure. This specification is crucial for ensuring proper fit and alignment within the overall system design. Exceeding the maximum seated height can lead to mechanical interference, electrical shorts, or other issues that may impact the performance and reliability of the electronic device. Manufacturers provide this information to help designers and engineers select components that will fit within the designated space and function correctly in the intended application.
1.6mm - Length7mm
- Radiation Hardening
Radiation hardening is the process of making electronic components and circuits resistant to damage or malfunction caused by high levels of ionizing radiation, especially for environments in outer space (especially beyond the low Earth orbit), around nuclear reactors and particle accelerators, or during nuclear accidents or nuclear warfare.
No - RoHS Status
RoHS means “Restriction of Certain Hazardous Substances” in the “Hazardous Substances Directive” in electrical and electronic equipment.
ROHS3 Compliant
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