SM2958

SyncMOS Technologies Inc. August 2000 SM2958 8 - Bit Micro-controller with 32KB flash embedded Product List SM2958C16, 16 MHz 8KB internal memory MCU SM2958C25, 25 MHz 8KB internal memory MCU SM2958C40, 40 MHz 8KB internal memory MCU Features Working voltage:4.5V through 5.5V General 8052 family compatible 12 clocks per machine cycle 32 KB internal flash memory 256 bytes data RAM Three16 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 Description The SM2958 product is an 8 - bit single chip micro controller with 32 KB flash 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 32 KB flash memory either for program or for data or mixed. To program the flash block, a commercial programmer is capable to do it. Ordering Information yyww SM2958ihhk yy: year, ww:week v: version identifier { , A, B, ...} i: process identifier {C} hh: working clock in MHz {16, 25, 40} k: package type postfix {as below table} Postfix P J Q Package 40L PDIP 44L PLCC 44L QFP Pin/Pad Configuration page 2 page 2 page 2 Dimension page 11 page 12 page 13 Taiwan 4...