Part Number	LS2051 Datasheet
Manufacturer	HuNan Hochip Times Microelectronics
Overview	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 . 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.