AT89S51-24PU – 8-Bit Microcontroller With 4K Bytes In-System Programmable Flash – DIP-40 Package

The Atmel 8051 AT89S51 is a low-power, high-performance CMOS 8-bit microcomputer with 4K bytes of Flash Programmable and Erasable Read Only Memory (ROM). The device is manufactured using Atmel’s high density nonvolatile memory technology and is compatible with the industry standard MCS-51™ instruction set and pin out. The on-chip Flash allows the program memory to be reprogrammed in-system or by a conventional nonvolatile memory programmer.

Features of 89S51 Microcontroller:

• Compatible with MCS®-51 Products
• 4K Bytes of In-System Programmable (ISP) Flash Memory Endurance: 10,000 Write/Erase Cycles
• 4.0V to 5.5V Operating Range
• Fully Static Operation: 0 Hz to 33 MHz
• Three-level Program Memory Lock
• 128 x 8-bit Internal RAM
• 32 Programmable I/O Lines
• Two 16-bit Timer/Counters
• Six Interrupt Sources
• Full Duplex UART Serial Channel
• Low-power Idle and Power-down Modes
• Interrupt Recovery from Power-down Mode
• Watchdog Timer
• Dual Data Pointer
• Power-off Flag
• Fast Programming Time
• Flexible ISP Programming (Byte and Page Mode)
• Green (Pb/Halide-free) Packaging Option

Specifications of ATMEL 8051 AT89S51:

• Manufacturer Part No: AT89S51-24PU
• Manufacturer: Microchip Technology
• Series: 89S
• Product Type: 8-bit Microcontrollers
• Core: 8051
• Program Memory Size: 4 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: 128 B
• Supply Voltage Range: 4V ~ 5.5V
• Interface Type: UART
• Number of Timers/Counters: 2 Timer
• Processor Series: AT89x
• Program Memory Type: Flash
• Operating Temperature Range: -40°C ~ +85°C
• Mounting Style: Through Hole
• Package/Case: DIP-40

Applications:

• Multiple DIY Projects
• Very good choice if you are learning ATmel
• Projects requiring Multiple I/O interfaces and communications
• Replacement for Arduino Module

Datasheet:

AT89S51 Microcontroller

Package Includes:

• 1 x AT89S51-24PU – 8-Bit Microcontroller – DIP-40 Package

Note:- Product Images are shown for illustrative purposes only and may differ from the actual product.