Description
The SM8051/8052 series product is an 8 - bit single chip micro controller with 4/8 KB ROM embedded. It provides hardware features and a powerful instruction set, necessary to make it a versatile and cost effective controller for those applications demand up to 32 I/O pins or need up to 4/8 KB ROM memory either for program or for data or mixed.

Features
■ Working voltage: 3.0V ~ 3.6V For L Version
                               4.5V ~ 5.5V For C Version
■ General 8051/8052 family compatible
■ 12 clocks per machine cycle
■ 4/8 KB internal ROM memory
■ 128/256 bytes data RAM
■ 2/3 16 bit timers/counters
■ Four 8-bit I/O ports
■ Full duplex serial channel
■ Bit operation instruction
■ Page free jumps
■ 8-bit unsigned division
■ 8-bit unsigned multiply
■ BCD arithmetic
■ Direct addressing
■ Indirect addressing
■ Nested interrupt
■ Two priority level interrupt
■ A serial I/O port
■ Power save modes: Idle mode and power down mode
■ Code protection function
■ One watch dog timer (WDT)
■ Low EMI (inhibit ALE)