Serial Buffer Register
- Address: 0x99
- Size: 8 bit.
- Byte addressable.
- Used to send/receive data via serial port.
- Any value written to SBUF will be sent out the serial port's TXD pin.
- Any value which the 8051 receives via the serial port's RXD pin will be delivered to the user program via SBUF.
Related topics:
8051 Registers | 8051 Program Counter | 8051 R Registers | 8051 SFR | 8051 P Registers | 8051 Stack | 8051 Stack Pointer | 8051 Data Pointer | 8051 PCON Register | 8051 TCON Register | 8051 TMOD Register | 8051 Timer Registers | 8051 SCON Register | 8051 IE Register | 8051 IP Register | 8051 PSW Register | 8051 A Register | 8051 B Register
List of topics: 8051
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