Compatible with MCS-51 Products.
The AT89C4051 is a low-voltage, high-performance CMOS 8-bit microcontroller with4K bytes of Flash programmable and erasable read-only memory. The device is manufacturedusing Atmel's high-density nonvolatile memory technology and iscompatible with the industry-standard MCS-51 instruction set. By combining a versatile8-bit CPU with Flash on a monolithic chip, the Atmel AT89C4051 is a powerfulmicrocontroller which provides a highly-flexible and cost-effective solution to manyembedded control applications.
4K Bytes of Reprogrammable Flash Memory | |
128 x 8-bit Internal RAM | |
Two 16-bit Timer/Counters | |
Six Interrupt Sources | |
Programmable Serial UART Channel | |
Direct LED Drive Outputs | |
On-chip Analog Comparator | |
Low-power Idle and Power-down Modes | |
Brown-out Detection | |
Power-On Reset (POR) | |
15 Programmable I/O Lines | |
20-lead PDIP | |
Operating Voltage | 2.7 - 6V |
0Hz - 24MHz |
1 Ref. Doc. | Download |