SCI Registers
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SPRUI07–March 2020
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Serial Communications Interface (SCI)
10.14.2 SCI_REGS Registers
Table 10-5 lists the SCI_REGS registers. All register offset addresses not listed in Table 10-5 should be
considered as reserved locations and the register contents should not be modified.
Table 10-5. SCI_REGS Registers
Offset Acronym Register Name Write Protection Section
0h SCICCR Communications control register Go
1h SCICTL1 Control register 1 Go
2h SCIHBAUD Baud rate (high) register Go
3h SCILBAUD Baud rate (low) register Go
4h SCICTL2 Control register 2 Go
5h SCIRXST Receive status register Go
6h SCIRXEMU Receive emulation buffer register Go
7h SCIRXBUF Receive data buffer Go
9h SCITXBUF Transmit data buffer Go
Ah SCIFFTX FIFO transmit register Go
Bh SCIFFRX FIFO receive register Go
Ch SCIFFCT FIFO control register Go
Fh SCIPRI SCI priority control Go
Complex bit access types are encoded to fit into small table cells. Table 10-6 shows the codes that are
used for access types in this section.
Table 10-6. SCI_REGS Access Type Codes
Access Type Code Description
Read Type
R R Read
R-0 R
-0
Read
Returns 0s
Write Type
W W Write
W1S W
1S
Write
1 to set
Reset or Default Value
-n Value after reset or the default
value
Register Array Variables
i,j,k,l,m,n When these variables are used in
a register name, an offset, or an
address, they refer to the value of
a register array where the register
is part of a group of repeating
registers. The register groups form
a hierarchical structure and the
array is represented with a
formula.
y When this variable is used in a
register name, an offset, or an
address it refers to the value of a
register array.
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