Product Description
Specification
| Base Part Number | AT89S53 |
| Speed | 24MHz |
| Voltage Supply | 4 V ~ 6 V (Vcc/Vdd) |
| Supplier Device Package | 40-PDIP |
| RAM Size | 256 x 8 |
| Program Memory Type | Flash |
| Program Memory Size | 12KB (12K x 8) |
| Peripherals | WDT |
| Part Status | Obsolete |
| Packaging | Tube |
| Package Case | 40-DIP (0.600", 15.24mm) |
| Oscillator Type | Internal |
| Operating Temperature | -40 deg C ~ 85 deg C (TA) |
| Number of IO | 32 I/O |
| Core Size | 8-Bit |
| Core Processor | 8051 |
| Connectivity | SPI, UART/USART |
8051-Compatible Microcontroller for Diverse ApplicationsThe AT89S53-24PI microcontroller seamlessly integrates the classic 8051 instruction set, making it ideal for compatibility-driven projects in automation, control systems, and embedded electronics. Its approachable architecture, paired with in-system programmable Flash memory, streamlines the development process for developers and engineers across various industries.
In-System Programmable ConvenienceThis microcontroller allows for in-system programming (ISP), enabling easy firmware upgrades and modifications without removing the chip from the circuit board. This advantage is particularly valuable in industrial and consumer applications where maintenance downtime must be minimized and rapid deployment of software updates is required.
Robust Performance in Challenging EnvironmentsDesigned to operate from -40C to +85C and with a wide supply voltage range (4.0V to 5.5V), the AT89S53-24PI ensures reliable operation even in demanding conditions. With low power consumption and CMOS static dissipation, it is well-suited for embedded products that require stability and efficiency in performance.
FAQs of AT89S53-24PI:
Q: How is the AT89S53-24PI programmed and can its memory be updated without removal from the PCB?
A: The AT89S53-24PI uses In-System Programming (ISP), allowing for convenient firmware updates and code changes directly on the circuit board without needing to remove the microcontroller from its socket. This streamlines both development and field maintenance.
Q: What are the main industrial and consumer applications suitable for the AT89S53-24PI?
A: Given its 8051 compatibility, robust performance, and versatile I/O capabilities, the AT89S53-24PI is widely used in consumer electronics, industrial automation, and control systems where reliable embedded control and digital interfacing are required.
Q: When should developers choose the AT89S53-24PI over other microcontrollers?
A: Developers should select the AT89S53-24PI when they need a trusted 8051-compatible device with in-system programmable Flash memory, three 16-bit timers, and flexible I/O in a standard DIP-40 package, especially for projects requiring easy field reprogramming and stable operation in harsh environments.
Q: Where can the AT89S53-24PI be sourced in India?
A: The AT89S53-24PI microcontroller is available through several channels in India, including authorized distributors, importers, manufacturers, suppliers, traders, and wholesalers specializing in electronic components.
Q: What benefits does the built-in Watchdog Timer offer for embedded designs?
A: The integrated Watchdog Timer helps enhance application reliability by automatically resetting the microcontroller if the software becomes unresponsive, ensuring continuous operation and protecting against system crashes.
Q: How does the external oscillator interface improve design flexibility?
A: By supporting an external oscillator up to 24MHz, the AT89S53-24PI lets designers optimize timing and processing power for various application needs, facilitating stable clock management and precise timing control.