Atmel AT89S51-24JU, 8bit 8051 Microcontroller, 24MHz, 4 kB Flash, 44-Pin PLCC

AT89S51-24JU Atmel , 8bit 8051 Microcontroller, 24MHz, 4 kB Flash, 44-Pin PLCC
AT89S51-24JU
Atmel

Product Information

Dimensions:
16.662 x 16.662 x 4.064mm
Width:
16.662mm
Program Memory Size:
4 kB
RAM Size:
128 B
Number of Timers:
2
Data Bus Width:
8bit
Instruction Set Architecture:
CISC
Program Memory Type:
Flash
Package Type:
PLCC
Maximum Frequency:
24MHz
Maximum Operating Temperature:
+85 °C
Number of UART Channels:
1
Family Name:
AT89S
Device Core:
8051
Length:
16.66mm
Timer Resolution:
16bit
Timers:
2 x 16 bit
Pin Count:
44
Mounting Type:
Surface Mount
Height:
4.064mm
Typical Operating Supply Voltage:
4 to 5.5 V
Minimum Operating Temperature:
-40 °C
HTSUS:
8542.31.0001
Program Memory Size:
4KB (4K x 8)
Number of I/O:
32
Operating Temperature:
-40°C ~ 85°C (TA)
Voltage - Supply (Vcc/Vdd):
4V ~ 5.5V
Package / Case:
44-LCC (J-Lead)
RAM Size:
128 x 8
Peripherals:
WDT
Program Memory Type:
FLASH
Connectivity:
UART/USART
Package:
Bulk
EEPROM Size:
-
Oscillator Type:
Internal
DigiKey Programmable:
Not Verified
Core Size:
8-Bit
Mounting Type:
Surface Mount
Series:
89S
Supplier Device Package:
44-PLCC (16.6x16.6)
Data Converters:
-
Core Processor:
8051
Speed:
24MHz
Base Product Number:
AT89S51
ECCN:
EAR99
RoHs Compliant
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The Atmel AT89S51-24JU is an 8-bit microcontroller that belongs to the famous 8051 family of microcontrollers. It is designed for many embedded system applications, balancing performance, memory capacity, and power efficiency.

  • 8-bit Architecture

The AT89S51-24JU features an 8-bit architecture, which can process data in 8-bit chunks. This architecture is well-suited for handling various control tasks in embedded systems.

Unique Features and Benefits of the 8bit Microcontroller

  • As part of the 8051-microcontroller family, the AT89S51-24JU adheres to the standard 8051 instruction set architecture.
  • Operating at a clock frequency of 24MHz, this microcontroller provides fast and efficient execution of instructions.
  • The AT89S51-24JU has 4 kilobytes (4KB) of Flash memory. Flash memory is non-volatile, meaning that program code can be written and retained even when power is removed.
  • The microcontroller is housed in a 44-pin Plastic Leaded Chip Carrier (PLCC) package.
  • The microcontroller features multiple input/output (I/O) pins, allowing it to interface with various external devices and sensors.
  • The AT89S51-24JU includes timers and counters, which are essential for tasks such as generating precise time delays and controlling events in real-time systems.
  • While the microcontroller lacks built-in communication interfaces like UART or SPI, its I/O pins can be configured to implement various communication protocols.

The Atmel AT89S51-24JU, 8bit 8051 Microcontroller, 24MHz, 4 kB Flash, 44-Pin PLCC: Use Cases

The AT89S51-24JU microcontroller’s compatibility with the 8051 family, high clock frequency, and ample Flash memory make it a versatile choice for various embedded system applications, where it can control and manage tasks efficiently and reliably, including:

  • Industrial Automation and Control Systems
  • Consumer Electronics
  • Automotive Control Systems
  • Home Appliances
  • Security Systems
  • IoT Devices
  • Robotics

pdf icon
8-bit Microcontroller with 4K Bytes In-System Programmable Flash Data Sheet(Technical Reference)

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