Intel 80C196NU Benutzerhandbuch
8XC196NP, 80C196NU USER’S MANUAL
C-40
SBUF_TX
SBUF_TX
Address:
Reset State:
1FBAH
00H
The serial port transmit buffer (SBUF_TX) register contains data that is ready for transmission. In
modes 1, 2, and 3, writing to SBUF_TX starts a transmission. In mode 0, writing to SBUF_TX starts a
transmission only if the receiver is disabled (SP_CON.3=0).
modes 1, 2, and 3, writing to SBUF_TX starts a transmission. In mode 0, writing to SBUF_TX starts a
transmission only if the receiver is disabled (SP_CON.3=0).
7
0
Data to Transmit
Bit
Number
Function
7:0
Data to Transmit
This register contains a byte of data to be transmitted by the serial port.