LS4051 Datasheet - HuNan Hochip Times Microelectronics

LS4051 8-Bit MCU

LS2051 contains 2K bytes of program memory (LS4051 contains 4K bytes), 128 byte of data memory (SRAM), two 16-bit timer/counter, one five-vector secondary interrupt architecture , a single-kernel for execute two programs, fifteen IO ports, a full duplex serial port, a high-accuracy on-chip analogy c.

www.DataSheet4U.com LS2051 (also refer to LS4051) is high performance eight bit microcomputer designed and manufactured by our company and is compatible with MCS-51 instruction set, and its internal function, pin function, pin configuration, and electrical characteristics of pins are compatible with AT89C2051. LS2051 supports simultaneous operation of two independent or associated programs. The performance when only one program is executed is 1.27 times of that of AT89C2051, and the processing .

LS4051 Features

* z Compatible with MCS-51 instruction set，pins are compatible with AT89C2051. z 2/4KB internal flash program memory, Endurance: 2000 times erase/write cycles. z 3.0V to 5.5V operating range. z 0Hz to 24 MHz frequencies. z Two-level of Encryption of Program Memory. z 128×8B internal SRAM. z 15 program

LS4051_HuNanHochipTimesMicroelectronics.pdf