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IC MCU 8BIT 12KB FLASH 44PLCC
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Nhà sản xuấtCông nghệ Microchip
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Ông. Phần #AT89S8253-24JU
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Bảng dữ liệu AT89S8253-24JU DataSheet
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Gói PLCC-44
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Có sẵn4533
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Thông số kỹ thuật
| thuộc tính | Giá trị |
| 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 |
Tổng quan
Description
- 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
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
- 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.