AT89S52-33JU The Atmel AT89S52-33JU is an 8-bit microcontroller featuring an 8051 CPU core and operating at up to 33MHz. It offers 8KB of FLASH program memory and 256 bytes of RAM.
Mfr Part #:

AT89S52-33JU

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Mfr Name: Atmel
Atmel
The Atmel AT89S52-33JU is an 8-bit microcontroller featuring an 8051 CPU core and operating at up to 33MHz. It offers 8KB of FLASH program memory and 256 bytes of RAM.
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AT89S52-33JU Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Clock Frequency
Connectivity
Core Processor
Core Size
Lead Style
Mounting Type
Number of I
Operating Temperature
Oscillator Type
Peripherals
Program Memory Size
Program Memory Type
RAM Size
Speed
Supplier Device Package
Voltage

AT89S52-33JU Description

Short technical summary and product information.

This Atmel AT89S52-33JU is an 8-bit microcontroller based on the 8051 CPU core, capable of operating at a maximum clock frequency of 33MHz. It provides 8KB of FLASH-programmable memory for program storage and 256 bytes of RAM for data. The device features 32 programmable I/O lines, an 8-bit external data bus, and a 16-bit address bus.

 

Designed for industrial applications, the AT89S52-33JU operates within a supply voltage range of 4V to 5.5V and has a maximum supply current of 25mA. It is housed in a 44-terminal PQCC package (S-PQCC-J44) suitable for surface mounting. The operating temperature range is -40°C to 85°C.

 

Key features include an internal oscillator, WDT peripheral, and UART/USART connectivity. This microcontroller is suitable for a wide range of embedded control applications requiring a robust and versatile 8-bit solution.

AT89S52-33JU Quick Information

Product Type: Microcontroller
Canonical Name: 8-Bit Microcontroller
Subcategory: 8-Bit Microcontroller

AT89S52-33JU Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

AT89S52-33JU Features

  • 8-bit microcontroller with 8051 CPU core.
  • Operates at a maximum clock frequency of 33MHz.
  • 8KB of FLASH program memory and 256 bytes RAM.
  • 32 programmable I/O lines available.
  • Surface mount 44-PLCC package for industrial use.

AT89S52-33JU Applications

  • Embedded control systems.
  • Industrial automation.
  • Consumer electronics.
  • Data acquisition systems.

AT89S52-33JU FAQs

7 frequently asked questions generated from this part’s specifications.
What is the maximum clock frequency of the AT89S52-33JU?

The maximum clock frequency is 33 MHz.

What is the operating voltage range for this microcontroller?

The supply voltage range is 4.0 V to 5.5 V, with a nominal voltage of 5 V.

What package type does the AT89S52-33JU use?

It is housed in a 44-PLCC (Plastic Leaded Chip Carrier) package with dimensions of 16.6x16.6 mm.

What is the operating temperature range?

The operating temperature range is -40°C to +85°C.

How much Flash memory and RAM does this device have?

It has 8 KB of Flash program memory and 256 bytes of RAM.

How many I/O lines are available?

The microcontroller provides 32 I/O lines.

What serial interface is supported?

It supports a UART/USART serial interface.

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