TC1796
Peripheral Units (Vol. 2 of 2)
Asynchronous/Synchronous Serial Interface (ASC)
User’s Manual 19-28 V2.0, 2007-07
ASC, V2.0
19.2.3 Data Registers
The Transmit Buffer Register TBUF of the ASC module contains the transmit data value
in Asynchronous Mode and Synchronous Mode.
TBUF
Transmit Buffer Register (20
H
) Reset Value: 0000 0000
H
31 9 8 0
0 TD_VALUE
rrw
Field Bits Type Description
TD_VALUE [8:0] rw Transmit Data Register Value
TBUF contains the data to be transmitted in the
asynchronous and synchronous operating modes of
the ASC. Data transmission is double-buffered;
therefore, a new value can be written to TBUF before
the transmission of the previous value is complete.
0 [31:9] r Reserved
Read as 0; should be written with 0.
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