8051 MICROCONTROLLER: TIMER INTERRUPT SERIAL COMMUNICATION

P0 (Port 0, Address 80h, Bit-Addressable)

SP (Stack Pointer, Address 81h)

DPL/DPH (Data Pointer Low/High, Addresses 82h/83h)

PCON (Power Control, Addresses 87h)

TCON (Timer Control, Addresses 88h, Bit-Addressable)

T2CON

TMOD (Timer Mode, Addresses 89h)

TL0/TH0 (Timer 0 Low/High, Addresses 8Ah/8Ch)

TL1/TH1 (Timer 1 Low/High, Addresses 8Bh/8Dh)

P1 (Port 1, Address 90h, Bit-Addressable)

SCON (Serial Control, Addresses 98h, Bit-Addressable)

SBUF (Serial Control, Addresses 99h)

P2 (Port 2, Address A0h, Bit-Addressable)

IE (Interrupt Enable, Addresses A8h)

P3 (Port 3, Address B0h, Bit-Addressable)

IP (Interrupt Priority, Addresses B8h, Bit-Addressable)

PSW (Program Status Word, Addresses D0h, Bit-Addressable)

ACC (Accumulator, Addresses E0h, Bit-Addressable)

B (B Register, Addresses F0h, Bit-Addressable)

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