... other registerbanks the user must selectthem in the software(refer to the MCS-51MicroAssemblerUser’sGuide).Eachregisterbank contains 8 one-byteregisters,Othrough7.Resetinitiahzesthe StackPointerto ... controls, etc. l%ese registers can only&-seal by dmect addressing. In general, all MCS-51microcontrollers have the same SFRB as the 8051, andat the same addresses in SFR space. However, ... have additional SFRB that are notpresent in the 8051, nor perhaps in other proliferationsof the family. “uRE~MAPPSO POR7SEOHmAOORESSES7NAT END INOH OR EN ARCALSOB~-AOORESSABLE80HBPORT.3AOHPorn...