Texas Instruments PCM5122 Evaluation Module PCM5122EVM-U PCM5122EVM-U Datenbogen
Produktcode
PCM5122EVM-U
SLAS759A – AUGUST 2012 – REVISED SEPTEMBER 2012
PCM514x Register Map
In any page, register 0 is the Page Select Register. The register value selects the Register Page from 0 to 255
for next read or write command.
for next read or write command.
Table 55. Register Map Summary (continued)
Table 55. Register Map Summary
43
DSP program selection
Register
Description
44
Clock missing detection period
Number
59
Auto mute time
Page 0
60 - 64
Digital volume
0
Control register
65
Auto mute
1
Analog control register
75 - 79
Reserved
2
Standby, Powerdown requests
80 - 85
GPIOn output selection
3
Mute
86, 87
GPIO control
4
PLL Lock Flag, PLL enable
88, 89
Reserved
5
Reserved
90
DSP overflow
6
SPI MISO function select
91 - 94
Sample rate status
7
De-emphasis enable, SDOUT select
95 - 107
Reserved
8
GPIO enables
108
Analog mute monitor
9
BCK, LRCLK configuration
109 - 118
Reserved
10
DSP GPIO Input
119
GPIO input
11
Reserved
120
Auto Mute flags
12
Master mode BCK, LRCLK reset
Page 1
13
PLL clock source select
1
Output amplitude type
14 - 19
Reserved
2
Analog gain control
20 - 24
PLL dividers
3, 4
Reserved
25, 26
Reserved
5
Undervoltage protection
27
DSP clock divider
6
Analog mute control
28
DAC clock divider
7
Analog gain boost
29
NCP clock divider
8, 9
VCOM configuration
30
OSR clock divider
Page 44
31
Reserved
1
Coefficient memory (CRAM) control
32, 33
Master mode dividers
Pages 44 - 52
Coefficient buffer - A (256 coeffs x 24 bits) : See
34
f
S
speed mode
35, 36
IDAC (number of DSP clock cycles available in
Pages 66 - 74
Coefficient buffer - B (256 coeffs x 24 bits) : See
one audio frame)
37
Ignore various errors
Pages 152 -
Instruction buffer (1024 instruction x 25 bits),
186
I512 - I1023 are reserved.: See
38,39
Reserved
Pages 187 -
Reserved
40, 41
I
2
S configuration
255
42
DAC data path
Table 56. Coefficient Buffer-A Map
Coeff NO
Page NO
Base Register
Base Register+0
Base Register+1
Base Register+2
Base Register+3
C0
44
8
Coef(23:16)
Coef(15:8)
Coef(7:0)
Reserved.
C1
44
12
Coef(23:16)
Coef(15:8)
Coef(7:0)
Reserved.
..
..
..
..
..
..
..
C29
44
124
Coef(23:16)
Coef(15:8)
Coef(7:0)
Reserved.
C30
45
8
Coef(23:16)
Coef(15:8)
Coef(7:0)
Reserved.
..
..
..
..
..
..
..
C59
45
124
Coef(23:16)
Coef(15:8)
Coef(7:0)
Reserved.
C60
46
8
Coef(23:16)
Coef(15:8)
Coef(7:0)
Reserved.
..
..
..
..
..
..
..
Copyright © 2012, Texas Instruments Incorporated
75
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