int e l 1.11 8052AH SPECIAL FUNCTION REGISTERS PSW: PROGRAM STATUS WORD. ADDRESS 0D0H CY PSW.7 Carry Flag. AC PSW.6 Auxiliary Carry Flag. F0 PSW.5 Flag 0 available to the user for general purpose. RS1 PSW.4 Register Bank selector bit 1. RS0 PSW.3 Register Bank selector bit 0. OV PSW.2 Overflow Flag. -- PSW.1 RESERVED FOR FUTURE USE. P PSW.0 PARITY FLAG. PCON: POWER CONTROL REGISTER. NOT BIT ADDRESSABLE. SMOD Doubles the baud rate when TIMER 1 is used to generate the baud rate for the serial port. The remaining bits of PCON are not implemented on the MCS BASIC-52 device. - 194 - CY AC F0 RS1 RS0 OV -- P SMOD -- -- -- -- -- -- --