Texas Instruments TMS320C6457 Manual de usuario descargar pdf (Pagina 38)

Registers

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Figure 44. TCP2 Input Configuration Register 11 (TCPIC11)

31 18 17 0

Reserved TAIL6

R/W-0 R/W-0

LEGEND: R/W = Read/Write; R = Read only; - n = value after reset

Table 18. TCP2 Input Configuration Register 11 (TCPIC11) Field Descriptions

Bit Field Value Description

31-18 Reserved 0 Reserved. The reserved bit location is always read as 0. A value written to this field has

no effect.

17-0 TAIL6 0-FFFF FFFFh Tail bit. Values must be set as in the following list.

• CDMA-2000 Tail Symbol Pattern for Code Rate 1/5

tail+2 tail+1 tail+0

p21 p21 p21

• CDMA-2000 Tail Symbol Pattern for Code Rate 1/4

tail+2 tail+1 tail+0

p21 p21 p21

• CDMA-2000 Tail Symbol Pattern for Code Rate 1/3

tail+2 tail+1 tail+0

0 0 0

• CDMA-2000 Tail Symbol Pattern for Code Rate 1/5 or 1/4

tail+2 tail+1 tail+0

p21 p21 p21

• CDMA-2000 Tail Symbol Pattern for Code Rate 1/3, 1/2, or 3/4

tail+2 tail+1 tail+0

0 0 0

TMS320C6457 Turbo-Decoder Coprocessor 238 SPRUGK1 – March 2009

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Texas Instruments TMS320C6457 Manual de usuario Pagina 38