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AT89S8253-24PU

Name: AT89S8253-24PU
Rating: 4.7 (12 reviews)

IC MCU 8BIT 12KB FLASH 40DIP

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製造商。部分 #AT89S8253-24PU
包 PDIP-40
資料表 AT89S8253-24PU DataSheet
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規格

Package	Bulk
Series	89S
ProductStatus	Active
CoreProcessor	8051
CoreSize	8-Bit
Speed	24MHz
Connectivity	SPI, UART/USART
Peripherals	POR, WDT
NumberofI/O	32
ProgramMemorySize	12KB (12K x 8)
ProgramMemoryType	FLASH
EEPROMSize	2K x 8
RAMSize	256 x 8
Voltage-Supply(Vcc/Vdd)	2.7V ~ 5.5V
OscillatorType	External
OperatingTemperature	-40°C ~ 85°C (TA)
MountingType	Through Hole
Package/Case	40-DIP (0.600, 15.24mm)

概述

Description

The AT89S8253-24PU is an 8-bit microcontroller from Atmel (now part of Microchip Technology) based on the 8051 architecture. It features 8 KB of in-system programmable Flash memory, 256 bytes of RAM, and 32 general-purpose I/O pins that can be configured for various applications. The microcontroller operates at a clock frequency of up to 24 MHz, allowing fast processing for embedded systems.
Key features include a built-in EEPROM for data storage, multiple timers, a full-duplex UART for serial communication, and an interrupt system. It supports various modes of operation, including idle and power-down modes for energy efficiency.
The AT89S8253-24PU is often used in applications like automation, robotics, and consumer electronics due to its versatility and ease of programming. It supports the standard 8051 instruction set, making it compatible with a wide range of development tools and resources. Its ability to be programmed and reprogrammed in-circuit enhances its utility in prototyping and development.

Features

The AT89S8253-24PU is an 8-bit microcontroller from Atmel (now part of Microchip Technology) featuring the following key attributes:
1. Architecture: Based on the 8051 microcontroller architecture, providing compatibility with a wide range of existing 8051 software.
2. Memory: Contains 8 KB of Flash memory for program storage, 256 bytes of RAM, and 512 bytes of EEPROM for non-volatile data storage.
3. I/O Ports: Features 32 programmable I/O lines divided into four 8-bit ports.
4. Timers: Includes 3 timers/counters for timing operations and event counting.
5. Serial Communication: Supports UART for serial communication.
6. Interrupts: Provides 6 external interrupts for event-driven control.
7. Operating Voltage: Operates at 4.0V to 5.5V, suitable for various power applications.
8. Clock Speed: Capable of operating at clock speeds up to 24 MHz.
These features make the AT89S8253-24PU suitable for a wide range of embedded applications, including control systems and data acquisition.

Package

The AT89S8253-24PU is packaged in a 40-pin dual in-line package (DIP). This package type features two parallel rows of pins and is designed for through-hole mounting on printed circuit boards.

Pinout

The AT89S8253-24PU is an 8-bit microcontroller from Atmel (now part of Microchip Technology) featuring a 40-pin dual in-line package (DIP).
Pin Count: 40 pins
Pin Functions:
- VCC: Power supply (+5V).
- GND: Ground.
- Port 0 (P0.0 to P0.7): 8-bit I/O port with open-drain outputs; also used for external memory interfacing.
- Port 1 (P1.0 to P1.7): 8-bit I/O port with internal pull-ups.
- Port 2 (P2.0 to P2.7): 8-bit I/O port used for high-order address byte during external memory access.
- Port 3 (P3.0 to P3.7): 8-bit I/O port with alternate functions (e.g., interrupts, timers).
- RST: Reset input.
- ALE: Address latch enable.
- EA: External access enable.
- T0, T1: Timer/counter inputs.
- INT0, INT1: External interrupt inputs.
The microcontroller supports various other functions, including serial communication and programmable timer/counters.

Manufacturer

The AT89S8253-24PU is manufactured by Atmel Corporation, which is now part of Microchip Technology Inc. Atmel was a semiconductor company known for its microcontrollers and memory products, particularly in the field of embedded systems. The AT89S8253 is an 8-bit microcontroller based on the 8051 architecture, widely used in various applications ranging from consumer electronics to industrial automation. Microchip Technology, the parent company, specializes in microcontrollers, analog semiconductors, and memory products, and serves a diverse range of markets, including automotive, consumer, and industrial sectors.

Application

The AT89S8253-24PU is an 8-bit microcontroller commonly used in embedded systems for applications such as industrial automation, home automation, sensor control, automotive systems, and communication devices. Its versatile features make it suitable for data acquisition, motor control, and small-scale robotics. Additionally, it is often employed in educational projects and prototyping due to its ease of use and availability.

Equivalent

Equivalent products to the AT89S8253-24PU include the AT89S8253, AT89C51, and other members of the 8051 microcontroller family, such as the AT89C52 or AT89C53. When considering drop-in replacements, ensure compatibility with pin configuration, memory, and peripheral features for specific applications. Always consult the manufacturer's datasheets for detailed specifications.