Texas Instruments TURBO-DECODER COPROCESSOR 2 TMS320C6457 DSP Benutzerhandbuch
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6.23 TCP2 Endian Register (TCPEND)
Registers
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The TCP2 endian register (TCPEND) is shown in
and described in
. TCPEND should
only be used when the DSP is set to big-endian mode.
Figure 53. TCP2 Endian Register (TCPEND)
31
8
Reserved
R/W-0
7
2
1
0
ENDIAN_
ENDIAN_
Reserved
EXTR
INTR
R/W-0
R/W-0
R/W-0
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset
Table 28. TCP2 Endian Register (TCPEND) Field Descriptions
Bit
Field
Value
Description
31-2
Reserved
Reserved. The reserved bit location is always read as 0. A value written to this field has no effect.
1
ENDIAN_EXTR
Endianness view of extrinsic table.
0
3,2,1,0,7,6,5,4
⇒
7,6,5,4,3,2,1,0 (bytes)
1
0,1,2,3,4,5,6,7
⇒
7,6,5,4,3,2,1,0 (bytes)
0
ENDIAN_INTR
Endianness view of interleaver table. No effect if in little endian mode.
0
1,0,3,2
⇒
3,2,1,0 (halfwords)
1
0,1,2,3
⇒
3,2,1,0 (halfwords)
TMS320C6457 Turbo-Decoder Coprocessor 2
44
SPRUGK1 – March 2009