UART Registers
Table 25. SADEN Register
SADEN - Slave Address Mask Register for UART (B9h)
7
6
5
4
3
2
1
0
Reset Value = 0000 0000b
Table 26. SADDR Register
SADDR - Slave Address Register for UART (A9h)
7
6
5
4
3
2
1
0
Reset Value = 0000 0000b
Table 27. SBUF Register
SBUF - Serial Buffer Register for UART (99h)
7
6
5
4
3
2
1
0
Reset Value = XXXX XXXXb
Table 28. BRL Register
BRL - Baud Rate Reload Register for the internal baud rate generator, UART (9Ah)
7
6
5
4
3
2
1
0
Reset Value = 0000 0000b
42 AT80C51RD2/AT83C51Rx2
4113B–8051–03/05