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8XC196MC, MD, MH USER’S MANUAL
C-48
SBUFx_TX
SBUF
x
_TX
x
= 0–1 (8XC196MH)
Address:
Reset State:
1F82H, 1F8AH
00H
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 0
8XC196MH
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.