Datasheet

51
AT89C51RB2/RC2
4180D–8051–06/05
Table 38. SBUF Register
SBUF - Serial Buffer Register for UART (99h)
Reset Value = XXXX XXXXb
Table 39. BRL Register
BRL - Baud Rate Reload Register for the internal baud rate generator, UART (9Ah)
Reset Value = 0000 0000b
76543210
76543210