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PCM1691 Datasheet(PDF) 27 Page - Texas Instruments

Part # PCM1691
Description  24-Bit, 192-kHz Sampling, Enhanced Multi-Level, ?誇,Eight-Channel, Audio Digital-to-Analog Converter
PDF  47 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

PCM1691 Datasheet(HTML) 27 Page - Texas Instruments

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CONTROL REGISTER DEFINITIONS (SOFTWARE MODE ONLY)
PCM1691
www.ti.com.............................................................................................................................................................................................. SBAS450 – OCTOBER 2008
The PCM1691 has many user-programmable functions that are accessed via control registers, and are
programmed through the SPI or I2C serial control port. Table 15 shows the available mode control functions
along with reset default conditions and associated register addresses. Table 16 lists the register map.
Table 15. User-Programmable Mode Control Functions
FUNCTION
RESET DEFAULT
REGISTER
LABEL
Mode control register reset
Normal operation
64
MRST
System reset
Normal operation
64
SRST
Analog mute function control
Mute disabled
64
AMUTE[3:0]
Sampling mode selection
Auto
64
SRDA[1:0]
Power-save mode selection
Power save
65
PSMDA
Audio interface format selection
I2S
65
FMTDA[3:0]
Operation control
Normal operation
66
OPEDA[3:0]
Digital filter roll-off control
Sharp roll-off
66
FLT[3:0]
Output phase selection
Normal
67
REVDA[8:1]
Soft mute control
Mute disabled
68
MUTDA[8:1]
Zero flag
Not detected
69
ZERO[8:1]
Digital attenuation mode
0 dB to –63 dB, 0.5-dB step
70
DAMS
Digital de-emphasis function control
Disabled
70
DEMP[1:0]
ZERO1: DIN1 left-channel
Zero flag function selection
70
AZRO[1:0]
ZERO2: DIN1 right-channel
Zero flag polarity selection
High for detection
70
ZREV
Digital attenuation level setting
0 dB, no attenuation
71 to 79
ATDAx[7:0]
Table 16. Register Map
ADR[6:0]
DATA[7:0]
DEC
HEX
B7
B6
B5
B4
B3
B2
B1
B0
64
40
MRST
SRST
AMUTE3
AMUTE2
AMUTE1
AMUTE0
SRDA1
SRDA0
65
41
PSMDA
RSV(1)
RSV(1)
RSV(1)
FMTDA3
FMTDA2
FMTDA1
FMTDA0
66
42
OPEDA3
OPEDA2
OPEDA1
OPEDA0
FLT3
FLT2
FLT1
FLT0
67
43
REVDA8
REVDA7
REVDA6
REVDA5
REVDA4
REVDA3
REVDA2
REVDA1
68
44
MUTDA8
MUTDA7
MUTDA6
MUTDA5
MUTDA4
MUTDA3
MUTDA2
MUTDA1
69
45
ZERO8
ZERO7
ZERO6
ZERO5
ZERO4
ZERO3
ZERO2
ZERO1
70
46
DAMS
RSV(1)
DEMP1
DEMP0
RSV(1)
AZRO1
AZRO0
ZREV
71
47
RSV(1)
RSV(1)
RSV(1)
RSV(1)
RSV(1)
RSV(1)
RSV(1)
RSV(1)
72
48
ATDA17
ATDA16
ATDA15
ATDA14
ATDA13
ATDA12
ATDA11
ATDA10
73
49
ATDA27
ATDA26
ATDA25
ATDA24
ATDA23
ATDA22
ATDA21
ATDA20
74
4A
ATDA37
ATDA36
ATDA35
ATDA34
ATDA33
ATDA32
ATDA31
ATDA30
75
4B
ATDA47
ATDA46
ATDA45
ATDA44
ATDA43
ATDA42
ATDA41
ATDA40
76
4C
ATDA57
ATDA56
ATDA55
ATDA54
ATDA53
ATDA52
ATDA51
ATDA50
77
4D
ATDA67
ATDA66
ATDA65
ATDA64
ATDA63
ATDA62
ATDA61
ATDA60
78
4E
ATDA77
ATDA76
ATDA75
ATDA74
ATDA73
ATDA72
ATDA71
ATDA70
79
4F
ATDA87
ATDA86
ATDA85
ATDA84
ATDA83
ATDA82
ATDA81
ATDA80
(1)
RSV must be set to '0'.
Copyright © 2008, Texas Instruments Incorporated
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