Overview
The AT89S52-24JU is a CMOS 8-bit microcontroller produced by Microchip Technology, utilizing Atmel’s high-density nonvolatile memory technology. This microcontroller is part of the AT89 series and is compatible with the industry-standard 80C51 instruction set and pinout. It features 8K bytes of in-system programmable Flash memory, making it a versatile and cost-effective solution for various embedded control applications. The device is known for its low power consumption and high performance, making it suitable for a wide range of applications.
Key Specifications
| Specification | Value |
|---|---|
| Microcontroller Type | CMOS 8-bit |
| Program Memory | 8K bytes Flash |
| RAM | 256 bytes |
| Number of I/O Lines | 32 |
| Timer/Counters | Three 16-bit |
| Interrupt Sources | Eight |
| Serial Communication | Full Duplex UART |
| Operating Frequency | Up to 33 MHz |
| Operating Voltage | 4.0V to 5.5V |
| Package Type | 44-Pin PLCC |
| Power Modes | Idle and Power-down |
| Watchdog Timer | Yes |
Key Features
- Compatible with MCS®-51 Products
- 8K bytes of In-System Programmable (ISP) Flash Memory with 10,000 Write/Erase Cycles
- 256 x 8-bit Internal RAM
- 32 Programmable I/O Lines
- Three 16-bit Timer/Counters
- Eight Interrupt Sources
- Full Duplex UART Serial Channel
- Low-power Idle and Power-down Modes
- Interrupt Recovery from Power-down Mode
- Watchdog Timer
- Dual Data Pointer
- Power-off Flag
- Fast Programming Time
- Flexible ISP Programming (Byte and Page Mode)
- Green (Pb/Halide-free) Packaging Option
Applications
The AT89S52-24JU is widely used in various embedded control applications due to its flexibility and cost-effectiveness. Some common applications include:
- Industrial Control Systems
- Consumer Electronics
- Automotive Systems
- Medical Devices
- Home Appliances
- Robotics and Automation
Q & A
- What is the program memory capacity of the AT89S52-24JU?
The AT89S52-24JU has 8K bytes of in-system programmable Flash memory.
- What is the operating voltage range of the AT89S52-24JU?
The operating voltage range is from 4.0V to 5.5V.
- How many I/O lines does the AT89S52-24JU have?
The AT89S52-24JU has 32 programmable I/O lines.
- What types of timer/counters are available on the AT89S52-24JU?
The device features three 16-bit timer/counters.
- Does the AT89S52-24JU support serial communication?
Yes, it supports full duplex UART serial communication.
- What are the power-saving modes available on the AT89S52-24JU?
The device has low-power Idle and Power-down modes.
- Is the AT89S52-24JU compatible with the 80C51 instruction set?
Yes, it is compatible with the industry-standard 80C51 instruction set and pinout.
- What is the maximum operating frequency of the AT89S52-24JU?
The maximum operating frequency is up to 33 MHz.
- Does the AT89S52-24JU have a watchdog timer?
Yes, it includes a watchdog timer.
- What package types are available for the AT89S52-24JU?
The AT89S52-24JU is available in a 44-Pin PLCC package.
