Overview
The AT89S52-24AU is a low-power, high-performance CMOS 8-bit microcontroller produced by Microchip Technology. It is part of the AT89S52 series and is compatible with the industry-standard MCS-51 instruction set and pinout. This microcontroller is designed using Atmel’s high-density nonvolatile memory technology and offers a highly flexible and cost-effective solution for various embedded control applications. The device features in-system programmable Flash memory, making it versatile for a wide range of uses.
Key Specifications
| Specification | Value |
|---|---|
| Program Memory | 8K bytes of In-System Programmable (ISP) Flash Memory |
| RAM | 256 bytes of internal RAM |
| I/O Lines | 32 programmable I/O lines |
| Operating Voltage | 4.0V to 5.5V |
| Operating Frequency | 0 Hz to 33 MHz |
| Timer/Counters | Three 16-bit timer/counters |
| Interrupt Sources | Eight interrupt sources |
| Serial Port | Full duplex UART serial channel |
| Power Modes | Low-power Idle and Power-down modes |
| Watchdog Timer | Yes |
| Data Pointers | Dual data pointers |
| Package Type | TQFP-44, PDIP-40 |
Key Features
- Compatible with MCS-51 products
- 8K bytes of in-system programmable Flash memory with 1000 write/erase cycles
- 256 bytes of internal RAM
- 32 programmable I/O lines
- Three 16-bit timer/counters
- Eight interrupt sources and a six-vector two-level interrupt architecture
- Full duplex UART serial channel
- Low-power Idle and Power-down modes with interrupt recovery from Power-down mode
- Watchdog timer and dual data pointers
- On-chip oscillator and clock circuitry
- Static logic for operation at low frequencies
Applications
The AT89S52-24AU is suitable for a variety of embedded control applications, including industrial control systems, consumer electronics, automotive systems, and other applications requiring a flexible and cost-effective microcontroller solution. Its features make it ideal for use in devices that require low power consumption, high performance, and the ability to be reprogrammed in-system.
Q & A
- What is the program memory size of the AT89S52-24AU?
The AT89S52-24AU has 8K bytes of in-system programmable Flash memory. - How much RAM does the AT89S52-24AU have?
The AT89S52-24AU has 256 bytes of internal RAM. - What is the operating voltage range of the AT89S52-24AU?
The operating voltage range is 4.0V to 5.5V. - What are the power-saving modes available on the AT89S52-24AU?
The device features low-power Idle and Power-down modes. - Does the AT89S52-24AU have a watchdog timer?
Yes, the AT89S52-24AU includes a watchdog timer. - How many I/O lines does the AT89S52-24AU have?
The AT89S52-24AU has 32 programmable I/O lines. - What type of serial port does the AT89S52-24AU have?
The AT89S52-24AU has a full duplex UART serial channel. - Is the AT89S52-24AU compatible with the MCS-51 instruction set?
Yes, the AT89S52-24AU is compatible with the MCS-51 instruction set and pinout. - What is the maximum operating frequency of the AT89S52-24AU?
The maximum operating frequency is 33 MHz. - Does the AT89S52-24AU support in-system programming?
Yes, the AT89S52-24AU supports in-system programmable Flash memory.
