Datasheet

PCM5141, PCM5142
www.ti.com 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.
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
Table 56
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)
Table 57
37 Ignore various errors
Pages 152 - Instruction buffer (1024 instruction x 25 bits),
186 I512 - I1023 are reserved.: See Table 58
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.
.. .. .. .. .. .. ..
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