Microcontrollers - MCUs

AT89S52-24AU

MCU 8-bit 80C51 CISC 8KB Flash 5V 44-Pin TQFP Tray

Microchip Technology

Product Technical Specifications

• EU RoHS

  Compliant

• ECCN (US)

  EAR99

• Part Status

  Active

• HTS

  COMPONENTS

• Automotive

  No

• PPAP

  No

• Family Name

  AT89

• Instruction Set Architecture

  CISC

• Device Core

  80C51

• Core Architecture

  8051

• Maximum CPU Frequency (MHz)

  24

• Maximum Clock Rate (MHz)

  24

• Data Bus Width (bit)

  8

• Program Memory Type

  Flash

• Program Memory Size

  8KB

• RAM Size

  256B

• Maximum Expanded Memory Size

  64KB

• Programmability

  Yes

• Interface Type

  UART

• Number of I/Os

  32

• No. of Timers

  3

• USART

  0

• UART

  1

• USB

  0

• SPI

  0

• I2C

  0

• I2S

  0

• CAN

  0

• Ethernet

  0

• Watchdog

  1

• Parallel Master Port

  No

• Real Time Clock

  No

• Minimum Operating Supply Voltage (V)

  4

• Typical Operating Supply Voltage (V)

  5

• Maximum Operating Supply Voltage (V)

  5.5

• Minimum Operating Temperature (°C)

  -40

• Maximum Operating Temperature (°C)

  85

• Supplier Temperature Grade

  Industrial

• Packaging

  Tray

• Mounting

  Surface Mount

• Package Height

  1

• Package Width

  10

• Package Length

  10

• PCB changed

  44

• Standard Package Name

  QFP

• Supplier Package

  TQFP

• Pin Count

  44

• Lead Shape

  Gull-wing