Product Summary

The AT89C4051-12PU is a low-voltage, high-performance CMOS 8-bit microcontroller with 4K bytes of Flash programmable and erasable read-only memory. The AT89C4051-12PU 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 Atmel AT89C4051 is a powerful microcontroller which provides a highly-flexible and cost-effective solution to many embedded control applications.

Parametrics

AT89C4051-12PU 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

AT89C4051-12PU features: (1)Compatible with MCS 51 Products; (2)4K Bytes of Reprogrammable Flash Memory; (3)Endurance: 1,000 Write/Erase Cycles; (4)2.7V to 6V Operating Range; (5)Fully Static Operation: 0 Hz to 24 MHz; (6)Two-level Program Memory Lock; (7)128 x 8-bit Internal RAM; (8)15 Programmable I/O Lines; (9)Two 16-bit Timer/Counters; (10)Six Interrupt Sources; (11)Programmable Serial UART Channel; (12)Direct LED Drive Outputs; (13)On-chip Analog Comparator; (14)Low-power Idle and Power-down Modes; (15)Brown-out Detection; (16)Power-On Reset (POR); (17)Green (Pb/Halide-free/RoHS Compliant) Packaging.

Diagrams

AT89C4051-12PU pin connection

Image Part No Mfg Description Data Sheet Download Pricing
(USD)
Quantity
AT89C4051-12PU
AT89C4051-12PU

Atmel

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

Data Sheet

0-1: $0.97
1-10: $0.95
10-25: $0.94
25-100: $0.91
Image Part No Mfg Description Data Sheet Download Pricing
(USD)
Quantity
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Data Sheet

0-11: $920.24
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