Product Summary

The AT89C4051-24PU is a low-voltage, high-performance CMOS 8-bit microcontroller with 4K bytes of Flash programmable and erasable read-only memory. The AT89C4051-24PU is manufactured using Atmel’s 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 AT89C4051-24PU is a powerful microcontroller which provides a highly-flexible and cost-effective solution to many embedded control applications. The AT89C4051-24PU provides the following standard features: 4K bytes of Flash, 128 bytes of RAM, 15 I/O lines, two 16-bit timer/counters, a five-vector, two-level interrupt architecture, a full duplex serial port, a precision analog comparator, on-chip oscillator and clock circuitry.

Parametrics

AT89C4051-24PU absolute maximum ratings: (1)Operating Temperature:-55℃ to +125℃; (2)Storage Temperature:-65℃ to +150℃; (3)Voltage on Any Pin with Respect to Ground:-1.0V to +7.0V; (4)Maximum Operating Voltage:6.6V; (5)DC Output Current:25.0 mA.

Features

AT89C4051-24PU features: (1)Compatible with MCS51 Products; (2)4K Bytes of Reprogrammable Flash Memory:Endurance: 10,000 Write/Erase Cycles; (3)2.7V to 6V Operating Range; (4)Fully Static Operation: 0 Hz to 24 MHz; (5)Two-level Program Memory Lock; (6)128 x 8-bit Internal RAM; (7)15 Programmable I/O Lines; (8)Two 16-bit Timer/Counters; (9)Six Interrupt Sources; (10)Programmable Serial UART Channel; (11)Direct LED Drive Outputs; (12)On-chip Analog Comparator; (13)Low-power Idle and Power-down Modes; (14)Brown-out Detection; (15)Power-On Reset (POR); (16)Green (Pb/Halide-free/RoHS Compliant) Packaging.

Diagrams

AT89C4051-24PU block diagram

Image Part No Mfg Description Data Sheet Download Pricing
(USD)
Quantity
AT89C4051-24PU
AT89C4051-24PU

Atmel

8-bit Microcontrollers (MCU) 8051 4K FLASH 2.7 TO 5.5V 24MHZ 4V-5.5V

Data Sheet

0-1: $1.12
1-10: $1.10
10-25: $1.06
25-100: $1.00
Image Part No Mfg Description Data Sheet Download Pricing
(USD)
Quantity
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AT8934

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Data Sheet

0-11: $920.24
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