Intel 8XC196MC User Manual page 525

8XC196MC, MD, MH USER'S MANUAL
SBUFx_TX
SBUF x _TX
x = 0–1 (8XC196MH)
The serial port transmit buffer x (SBUF x _TX) register contains data that is ready for transmission. In
modes 1, 2, and 3, writing to SBUF x _TX starts a transmission. In mode 0, writing to SBUF x _TX starts
a transmission only if the receiver is disabled (SP x _CON.3=0).
7
8XC196MH
Bit
Number
7:0 Data to Transmit
This register contains a byte of data to be transmitted by the serial port.
C-48
Data to Transmit
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Address:
Reset State:
Function
1F82H, 1F8AH
00H
0