Marine Radio - Marine Radio Decoder User Manual

6.19 TCP2 Output Parameter Register 0 (TCPOUT0)
6.20 TCP2 Output Parameter Register 1 (TCPOUT1)
Registers www.ti.com
The TCP2 output parameter register 0 (TCPOUT0) is shown in Figure 49 and described in Table 24 .
Figure 49. TCP2 Output Parameter Register 0 (TCPOUT0)
31 29 28 24 23 20 19 0
Reserved FINAL_ITER Reserved SNR_M1
R/W-0 R/W-0 R/W-0 R/W-0
LEGEND: R/W = Read/Write; R = Read only; - n = value after reset
Table 24. TCP2 Output Parameter Register 0 (TCPOUT0) Field Descriptions
Bit Field Value Description
31-29 Reserved 0 Reserved. The reserved bit location is always read as 0. A value written to this field has no effect.
28-24 FINAL_ITER 0- Number of decoded iterations.
FFFFh
23-20 Reserved 0 Reserved. The reserved bit location is always read as 0. A value written to this field has no effect.
19-0 SNR_M1 0 First moment of SNR calculations.
The TCP2 output parameter register 1 (TCPOUT1) is shown in Figure 50 and described in Table 25 .
Figure 50. TCP2 Output Parameter Register 1 (TCPOUT1)
31 30 28 28 27 24
SNR_EXCEED CRC_PASS ACTIVE_MAP Reserved
R/W-0 R/W-0 R/W-0 R/W-0
23 0
SNR_M2
R/W-0
LEGEND: R/W = Read/Write; R = Read only; - n = value after reset
Table 25. TCP2 Output Parameter Register 1 (TCPOUT1) Field Descriptions
Bit Field Value Description
31-30 SNR_EXCEED Decoder terminated due to crc
0 0 MAP0 failed SNR
0 1 MAP0 passed SNR
1 0 MAP0 failed SNR
1 1 MAP0 passed SNR
29 CRC_PASS Decoder terminated due to snr
0 Crc has not passed
1 Crc has passed
28 ACTIVE_MAP Active map
0 MAP0 is active
1 MAP1 is active
Note: ACTIVE_MAP bit status is reserved when the FREE bit = 0 and the SOFT bit = 0.
27-24 Reserved Reserved. The reserved bit location is always read as 0. A value written to this field has no effect.
23-0 SNR_M2 Second moment of calculation
TMS320C6457 Turbo-Decoder Coprocessor 242 SPRUGK1 – March 2009
Submit Documentation Feedback