AT89S8252-24JI
The AT89S8252-24JI's combination of low power consumptionAT89S8252-24JI
The AT89S8252-24JI's combination of low power consumption
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製造商零件號 # : AT89S8252-24JI
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包裝/封裝: PLCC-44
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零件狀態 : Discontinued
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製造商: Microchip Technology
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產品分類 : Microcontrollers
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AT89S8252-24JI 數據表
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目前的價格方案正在編制中。請聯絡我們的客戶服務團隊獲取最新的價格資訊。感謝您的理解和支援!
詳細說明
AT89S8252-24JI microcontroller from Atmel is a versatile and efficient solution for high-speed processing tasks. With its 8051 architecture and integrated peripherals, it offers a wide range of features for diverse applications. The 32KB of Flash memory provides ample space for program storage, while the 24MHz clock frequency ensures rapid execution of code. Its in-system programming capability simplifies firmware updates, enabling easy maintenance and flexibility for evolving project requirements
![](/files/uploads/product/b/a3a064213bea4ba39d31ffef7e20fb47.webp)
主要特徵
- Compatible with MCS-51™ Products
- 8K Bytes of In-System Reprogrammable Downloadable Flash Memory
- – SPI Serial Interface for Program Downloading
- – Endurance: 1,000 Write/Erase Cycles
- 2K Bytes EEPROM
- – Endurance: 100,000 Write/Erase Cycles
- 4V to 6V Operating Range
- Fully Static Operation: 0 Hz to 24 MHz
- Three-level Program Memory Lock
- 256 x 8-bit Internal RAM
- 32 Programmable I/O Lines
- Three 16-bit Timer/Counters
- Nine Interrupt Sources
- Programmable UART Serial Channel
- SPI Serial Interface
- Low-power Idle and Power-down Modes
- Interrupt Recovery From Power-down
- Programmable Watchdog Timer
- Dual Data Pointer
- Power-off Flag
規格
以下是所選零件的基本參數,涉及零件的特性及其所屬類別。
Product Category ! | 8-bit Microcontrollers - MCU | RoHS | N |
Series | Microcontroller | Mounting Style | SMD/SMT |
Package / Case | PLCC-44 | Core | 8051 |
Program Memory Size | 8 kB | Data Bus Width | 8 bit |
ADC Resolution | No ADC | Maximum Clock Frequency | 24 MHz |
Number of I/Os | 32 I/O | Data RAM Size | 256 B |
Supply Voltage - Min | 4 V | Supply Voltage - Max | 6 V |
Minimum Operating Temperature | - 40 C | Maximum Operating Temperature ! | + 85 C |
Brand | Microchip Technology | Data ROM Type | Flash |
Height | 3.48 mm | Interface Type | SPI, UART |
Length | 16.7 mm | Moisture Sensitive | Yes |
Number of Timers/Counters | 3 Timer | Product | MCU |
Product Type ! | 8-bit Microcontrollers - MCU | Program Memory Type ! | Flash |
Subcategory | Microcontrollers - MCU | Width | 16.7 mm |
Unit Weight | 0.084185 oz |
數據表 PDF
數據表記錄了器件的特性、絕對最大額定值、應用等,這對於作為器件特定應用的整體指南大有裨益。
常見問題解答
What is AT89S8252-24JI?
The AT89S8252-24JI is a high-performance 8-bit microcontroller from Atmel (now Microchip Technology). It features a powerful CPU, flash memory, and a wide range of peripherals, making it suitable for various embedded control applications such as industrial control systems, automotive, and consumer electronics.
How Does AT89S8252-24JI Work?
The AT89S8252-24JI operates as the core processing unit in embedded systems, executing instructions and controlling various functions. It integrates flash memory for program storage and features a rich set of peripherals including timers, serial communication interfaces, and general-purpose I/O ports. The microcontroller enhances system control and automation through its flexible and programmable capabilities.
How Many Pins does AT89S8252-24JI have and What are the Functions of the Pinout Configuration?
The AT89S8252-24JI is housed in a 40-pin dual in-line package (DIP). The pinout configuration includes:
- VCC: Power supply pin.
- GND: Ground pin.
- Port 0 (P0.0-P0.7): General-purpose I/O port.
- Port 1 (P1.0-P1.7): General-purpose I/O port with additional functions such as external interrupt inputs and timer inputs/outputs.
- Port 2 (P2.0-P2.7): General-purpose I/O port with additional functions related to the external memory interface and interrupt control.
- Port 3 (P3.0-P3.7): General-purpose I/O port with additional functions related to serial communication, external interrupt control, and timer inputs/outputs.
- RST: Reset pin for resetting the microcontroller.
- XTAL1, XTAL2: Crystal input and output pins for connecting an external crystal oscillator.
- EA/VPP: External access/programming enable pin.
- DPTR: Data pointer register for accessing external memory.
What are the Pros and Cons of AT89S8252-24JI?
Pros:
- Rich Set of Peripherals: Features timers, serial communication interfaces, and external memory interface for versatile embedded system design.
- Flash Memory: Integrated flash memory for program storage and updating without the need for external programming hardware.
- Powerful CPU: High-performance 8-bit CPU for efficient data processing and control tasks.
- Wide Application Range: Suitable for diverse applications in industrial, automotive, and consumer electronics domains.
Cons:
- Package Size: The 40-pin DIP package may require more board space compared to smaller package options.
- Cost: Depending on the application, the cost of the microcontroller may be a consideration for budget-sensitive designs.
- External Components: Some applications may require additional external components for specific functions such as voltage regulation or communication interfaces.
Are There Any Equivalents/Alternatives to AT89S8252-24JI for Recommendation?
Some equivalents or alternatives to the AT89S8252-24JI microcontroller include:
- ATmega16 from Microchip Technology, which offers similar performance and features.
- PIC16F877A from Microchip Technology, providing a different architecture but suitable for many of the same applications.
- 8051-based microcontrollers from other manufacturers such as NXP and STMicroelectronics, offering compatibility with legacy 8051 designs.
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