Sample Rate Converter Registers
A-98 ADSP-21368 SHARC Processor Hardware Reference
Figure A-37. SRCCTL0 Register (Bits 0–15)
Table A-42. SRCCTL0 Register Bit Descriptions
Bit Name Description
0 SRC0_HARD_MUTE Hard Mute. Hard mutes SRC 0.
1 = Mute (default)
1 SRC0_AUTO_MUTE Auto Hard Mute. Auto hard mutes SRC 0 when one of
the non-audio bits is asserted by the SPDIF receiver. See
Table A-39 on page A-95.
0 = No mute
1 = Mute (default)
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
0000000000000000
SRC0_HARD_MUTE
SRC0_RESET
SRC0 Reset
1=SRC enabled
0=SRC disabled
SRC0 Hard Mute Enable
1=Enabled
0=Disabled
SRC0_AUTO_MUTE
SRC0 Auto Hard Mute
Enable (from SPDIF RX)
1=Enabled
0=Disabled
SRC0_BYPASS
SRC0 De-emphasis Filter
1=Enabled
0=Disabled (default)
SRC0 Bypass Mode
1=Bypass enabled
0=Bypass disabled
SRC0_DEEMPHASIS
SRC0_MPHASE
SRC0 Matched-Phase Mode
1=Enabled
0=Disabled
SRC0_LENOUT
SRC0 Output Word Length
00=24-bit, 01=20-bit
10=18-bit, 11=16-bit
SRC0_SMODEOUT
SRC0 Serial Output Format
00=Left-justified (default)
01=I
2
S
10=TDM
11=Right-justified
SRC0_DITHER
SRC Dither Enable
1=Enable
0=Disable
SRC0 Soft Mute Enable
1=Mute (default)
0=No Mute
SRC0_SOFTMUTE
SRC0_SMODEIN
SRC0 Serial Input Format
000=Left-justified (Default)
001=I
2
S
010=TDM
100=24-bit right-justified
101=20-bit right-justified
110=18-bit right-justified
111=16-bit right-justified
SRCCTL0 (0x2490)