規格
| 屬性 | 價值 |
| Package / Case | Tube |
| Series | 89S |
| Part Status | Active |
| Core Processor | 8051 |
| Core Size | 8-Bit |
| Speed | 24MHz |
| Connectivity | SPI, UART/USART |
| Peripherals | POR, WDT |
| Number of I/O | 32 |
| Program Memory Size | 12KB (12K x 8) |
| Program Memory Type | FLASH |
| EEPROM Size | 2K x 8 |
| RAM Size | 256 x 8 |
| Voltage - Supply (Vcc/Vdd) | 2.7V ~ 5.5V |
| Oscillator Type | External |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
概述
Description
The AT89S8253-24JU is an 8-bit microcontroller from Atmel’s 8051 family. Key features:
- Flash Memory: 12KB (8KB for application, 4KB for bootloader).
- EEPROM: 2KB for data storage.
- Clock Speed: 24MHz (max).
- I/O Ports: 32 programmable pins.
- Peripherals: SPI, UART, timers, watchdog timer.
- Operating Voltage: 4V–6V.
- Package: 44-lead PLCC.
Ideal for embedded systems requiring reprogrammable memory and reliable performance. Supports in-system programming (ISP) via SPI, easing firmware updates.
- Flash Memory: 12KB (8KB for application, 4KB for bootloader).
- EEPROM: 2KB for data storage.
- Clock Speed: 24MHz (max).
- I/O Ports: 32 programmable pins.
- Peripherals: SPI, UART, timers, watchdog timer.
- Operating Voltage: 4V–6V.
- Package: 44-lead PLCC.
Ideal for embedded systems requiring reprogrammable memory and reliable performance. Supports in-system programming (ISP) via SPI, easing firmware updates.
Equivalent
The AT89S8253-24JU is an 8-bit microcontroller from Atmel (now Microchip). Equivalent alternatives include:
1. AT89S52 (similar architecture, fewer features).
2. AT89LP8252 (low-power variant).
3. P89V51RD2 (NXP alternative).
4. STC89C52 (common Chinese replacement).
For modern equivalents, consider ATmega328P (AVR) or PIC16F877A (Microchip), though they require code adaptation. Check pin compatibility and features before substitution.
1. AT89S52 (similar architecture, fewer features).
2. AT89LP8252 (low-power variant).
3. P89V51RD2 (NXP alternative).
4. STC89C52 (common Chinese replacement).
For modern equivalents, consider ATmega328P (AVR) or PIC16F877A (Microchip), though they require code adaptation. Check pin compatibility and features before substitution.
Application
The AT89S8253-24JU, an 8-bit microcontroller from Atmel, is commonly used in:
- Embedded Systems: Control applications like home automation, security systems, and smart devices.
- Industrial Automation: Motor control, sensor interfacing, and process monitoring.
- Consumer Electronics: Appliances, toys, and remote controls.
- Automotive: Basic control modules and dashboard systems.
- Communication Devices: Modems, serial data logging, and peripheral interfacing.
Its 24MHz clock speed, 8KB Flash, 2KB EEPROM, and SPI/UART interfaces make it suitable for cost-effective, low-power embedded solutions.
- Embedded Systems: Control applications like home automation, security systems, and smart devices.
- Industrial Automation: Motor control, sensor interfacing, and process monitoring.
- Consumer Electronics: Appliances, toys, and remote controls.
- Automotive: Basic control modules and dashboard systems.
- Communication Devices: Modems, serial data logging, and peripheral interfacing.
Its 24MHz clock speed, 8KB Flash, 2KB EEPROM, and SPI/UART interfaces make it suitable for cost-effective, low-power embedded solutions.
Package
The AT89S8253-24JU is packaged in a PLCC-44 (Plastic Leaded Chip Carrier) format. This surface-mount package has 44 leads arranged in a square shape with J-leads, suitable for high-density PCB applications. The "JU" suffix indicates the package type and lead finish (typically tin-plated). It operates at 24 MHz (denoted by "-24").
