Datasheet
www.ti.com
PCM3052A
SLES160 – NOVEMBER 2005
Table 4. User-Programmable Mode Controls
FUNCTION RESET DEFAULT REGISTER BIT(S)
Digital attenuation control, 0 dB to –63 dB in 0.5-dB 0 dB, no attenuation 65 and 66 AT1[7:0], AT2[7:0]
steps (DAC)
Mode control register reset (ADC and DAC) Normal operation 67 MRST
System reset (ADC and DAC) Normal operation 67 SRST
ADC power-save control (ADC) Normal operation 67 ADPSV
DAC Power Save Control (DAC) Normal operation 67 DAPSV
Soft-mute control (DAC) Mute disabled 68 MUT[2:1]
Oversampling rate control (DAC) 64-f
S
oversampling 68 OVR1
De-emphasis function control (DAC) De-emphasis disabled 69 DM12
De-emphasis sampling rate selection (DAC) 48 kHz 69 DMF[1:0]
Digital filter rolloff control (DAC) Sharp rolloff 70 FLT0
Output phase select (DAC) Normal 71 DREV
Multiplexer input channel control (ADC) LINE IN 72 AML
PGA gain control (ADC) –4 dB 72 PG[4:0]
HPF bypass control (ADC) HPF enabled 75 BYP
DAC output control (DAC) Disabled 77 DACMSK
Additional format information (DIT) Two audio channels without pre-emphasis 77 AFI[5:3]
Copyright flag (DIT) Asserted 77 COPY
Audio sample word type (DIT) PCM 77 AUDIO
DIT output control (DIT) Disable 77 DITMSK
Category code (DIT) General 78 CAT[15:8]
Clock accuracy (DIT) Level II 79 CLK[29:28]
Sampling frequency (DIT) 44.1kHz 79 SF[27:24]
Validity bit for L-channel (DIT) Valid 80 VALIDL
Validity bit for R-channel (DIT) Valid 80 VALIDR
S/PDIF output control (DIT) Disabled 80 SPDIF
Word Length (DIT) 24 bits 80 WL[35:32]
Table 5. Register Map
REGISTER ADDRESS DATA
IDX REGIS-
B15 B14 B13 B12 B11 B10 B9 B8 B7 B6 B5 B4 B3 B2 B1 B0
(B8–B14) TER
41h 65 0 1 0 0 0 0 0 1 AT17 AT16 AT15 AT14 AT13 AT12 AT11 AT10
42h 66 0 1 0 0 0 0 1 0 AT27 AT26 AT25 AT24 AT23 AT22 AT21 AT20
43h 67 0 1 0 0 0 0 1 1 MRST SRST ADPSV DAPSV RSV
(1)
RSV
(1)
RSV
(1)
RSV
(1)
44h 68 0 1 0 0 0 1 0 0 RSV
(1)
OVR1 RSV
(1)
RSV
(1)
RSV
(1)
RSV
(1)
MUT2 MUT1
45h 69 0 1 0 0 0 1 0 1 RSV
(1)
DMF1 DMF0 DM12 RSV
(1)
RSV
(1)
RSV
(1)
RSV
(1)
46h 70 0 1 0 0 0 1 1 0 RSV
(1)
RSV
(1)
FLT0 RSV
(1)
RSV
(1)
1 RSV
(1)
RSV
(1)
47h 71 0 1 0 0 0 1 1 1 RSV
(1)
RSV
(1)
RSV
(1)
RSV
(1)
RSV
(1)
RSV
(1)
RSV
(1)
DREV
48h 72 0 1 0 0 1 0 0 0 RSV
(1)
RSV
(1)
AML PG4 PG3 PG2 PG1 PG0
4Bh 75 0 1 0 0 1 0 1 1 RSV
(1)
RSV
(1)
RSV
(1)
RSV
(1)
BYP 1 RSV
(1)
RSV
(1)
4Dh 77 0 1 0 0 1 1 0 1 DACMSK RSV
(1)
AFI5 AFI4 AFI3 COPY AUDIO DITMSK
4Eh 78 0 1 0 0 1 1 1 0 CAT15 CAT14 CAT13 CAT12 CAT11 CAT10 CAT9 CAT8
4Fh 79 0 1 0 0 1 1 1 1 RSV
(1)
RSV
(1)
CLK29 CLK28 SF27 SF26 SF25 SF24
50h 80 0 1 0 1 0 0 0 0 VALIDL VALIDR SPDIF RSV
(1)
WL35 WL34 WL33 WL32
(1) RSV means reserved for test operation or future extension, and these bits should be set 0 during regular operation. Do not write any
values in other addresses than those listed in the table.
34