Product Summary

The AT89S4051-24PU is a low-voltage, high-performance CMOS 8-bit microcontroller with 2K/4K bytes of In-System Programmable (ISP) Flash program memory. The AT89S4051-24PU is manufactured using Atmels high-density nonvolatile memory technology and is compatible with the industry-standard MCS-51 instruction set. By combining a versatile 8-bit CPU with Flash on a monolithic chip, the Atmel AT89S4051-24PU is a powerful microcontroller which provides a highly-flexible and cost-effective solution to many embedded control applications. Moreover, the AT89S4051-24PU is designed to be function compatible.

Parametrics

AT89S4051-24PU absolute maximum ratings: (1)Storage Temperature: -65℃ to +150℃; (2)Voltage on Any Pin with Respect to Ground: -0.7V to +6.2V; (3)Maximum Operating Voltage: 5.5V; (4)DC Output Current: 25.0 mA; (5)Operating Temperature: -55℃ to +125℃.

Features

AT89S4051-24PU features: (1)Fully Static Operation: 0 Hz to 24 MHz (x1 and x2 Modes); (2)Two-level Program Memory Lock; (3)256 x 8-bit Internal RAM; (4)15 Programmable I/O Lines; (5)Two 16-bit Timer/Counters; (6)Six Interrupt Sources; (7)Programmable Serial UART Channel; (8)Direct LED Drive Outputs; (9)On-chip Analog Comparator with Selectable Interrupt; (10)8-bit PWM (Pulse-width Modulation); (11)Low Power Idle and Power-down Modes; (12)Brownout Reset; (13)Enhanced UART Serial Port with Framing Error Detection and Automatic Address Recognition; (14)Internal Power-on Reset; (15)Interrupt Recovery from Power-down Mode.

Diagrams

AT89S4051-24PU Block Diagram

Image Part No Mfg Description Data Sheet Download Pricing
(USD)
Quantity
AT89S4051-24PU
AT89S4051-24PU

Atmel

8-bit Microcontrollers (MCU) 4K FLASH 24MHZ

Data Sheet

0-1: $1.24
1-10: $1.21
10-25: $1.16
25-100: $1.10
Image Part No Mfg Description Data Sheet Download Pricing
(USD)
Quantity
AT8934
AT8934

TE Connectivity

General Purpose / Industrial Relays SEALED R RELAY

Data Sheet

0-11: $920.24
AT8985P
AT8985P

Other


Data Sheet

Negotiable 
AT8989UP
AT8989UP

Other


Data Sheet

Negotiable 
AT8992-A2-T-1
AT8992-A2-T-1


IC SWITCH PHY 64-TQFP

Data Sheet

Negotiable 
AT8992M-A2-T-1
AT8992M-A2-T-1


IC SWITCH PHY 100-MQFP

Data Sheet

Negotiable 
AT8993-A2-T-1
AT8993-A2-T-1


IC SWITCH PHY 100-MQFP

Data Sheet

Negotiable