SM8051

www.DataSheet4U.com SyncMOS Technologies Inc. May 2001 SM8051/80952 8 - Bit Micro-controller with 4/8KB ROM embedded Product List SM8051L25, 25 MHz 4KB internal ROM MCU SM8052L25, 25 MHz 8KB internal ROM MCU SM8051C25, 25 MHz 4KB internal ROM MCU SM8052C25, 25 MHz 8KB internal ROM MCU SM8051C40, 40 MHz 4KB internal ROM MCU SM8052C40, 40 MHz 8KB internal ROM MCU 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) 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. Ordering Information yywwv SM8051/8052ihhk yy: year, ww:month v: version identifier { , A, B, ...} i: process identifier {L=3.0V ~ 3.6V, C=4.5V ~ 5.5V} hh: working clock in MHz ...