P80C51HFH

The P80C51HFH is manufactured in an advanced CMOS technology.The instruction set of it is based on that of the 8051.The P80C51HFH is a general purpose microcontroller especially suited for battery-powered applications.

Features of the P80C51HFH are:(1)full static 80C51 CPU;(2)8-bit CPU,ROM,RAM,1/0 in a single 40-lead DIL/mini-pack;(3)4K*8ROM,expandable externally to 64K bytes;(4)128 bytes RAM,expandable externally to 64K bytes;(5)four 8-bit ports,321/0 lines;(6)two 16-bit timer/event counters;(7)external memory expanable up to 128K,external ROM up to 64K and /or RAM up to 64K;(8)on-chip oscillar suitable for RC,LC,quartz crystal or ceramic resonator;(9)thirteen source,thirteen vector interrupt structure with two priority levels;(10)full duplex serial port (UART);(11)enhanced architecture;(12)power-down and IDEL instructions.

The absolute maximum ratings of the P80C51HFH can be summarized as:(1):the symbol is VDD,the parameter is supply voltage,the value is -0.5 to +6.5,the unit is V;(2):the symbol is VI,the parameter is all input voltages,the value is -0.5 to VDD+0.5,the unit is V;(3):the symbol is II,IO,the parameter is DC current into any input or output,the value is 5,the unit is mA;(4):the symbol is PTOT,the parameter is total power dissipation,the value is 300,the unit is mW;(5):the symbol is TSTG,the parameter is storage temperature range,the value is -65 to +150,the unit is ;(6):the symbol is TAMB,the parameter is operating ambient temperature range,the value is -40 to +85,the unit is ;(7):the symbol is TJ,the parameter is operating junction temperature,the value is 125,the unit is .