By: Masud-ul-Hasan
20
• To initialize the serial port to operate as an 8-bit UART at 2400 baud.
• ORG 0000H
• MOV SCON,#52H ;serial port mode 1
• MOV TMOD,#20H ;timer 1, mode 2
• MOV TH1, #-13 ;reload count for 2400 baud
• SETB TR1 ;start timer 1
• END
Initializing the Serial Port