Datasheet

www.ti.com
PCM1870
SLAS544A – MAY 2007 – REVISED SEPTEMBER 2007
Table 9. System Clock Frequency for Application-Specific Audio Clock
REGISTER SETTING
SYSTEM CLOCK ADC SAMPLING RATE DAC SAMPLING RATE BIT CLOCK
SCK (MHz) ADC f
S
(kHz) DAC f
S
(kHz) BCK (f
S
)
MSR[2:0] NPR[5:0]
48.214 (SCK/280) 010 00 0010 70
44.407 (SCK/304) 010 00 0001 76
32.142 (SCK/420) 010 10 0010 70
24.107 (SCK/560) 100 00 0010 70
13.5
22.203 (SCK/608) 100 00 0001 76
16.071 (SCK/840) 100 10 0010 70
12.053 (SCK/1120) 110 00 0010 70
8.035 (SCK/1680) 110 10 0010 70
48.214 (SCK/560) 010 01 0010 70
44.407 (SCK/608) 010 01 0001 76
32.142 (SCK/840) 010 11 0010 70
24.107 (SCK/1120) 100 01 0010 70
27
22.203 (SCK/1216) 100 01 0001 76
16.071 (SCK/1680) 100 11 0010 70
12.053 (SCK/2240) 110 01 0010 70
8.035 (SCK/3360) 110 11 0010 70
48.387 (SCK/248) 010 00 0100 62
44.117 (SCK/272) 010 00 0011 68
32.258 (SCK/372) 010 10 0100 62
24.193 (SCK/496) 100 00 0100 62
12
22.058 (SCK/544) 100 00 0011 68
16.129 (SCK/744) 100 10 0100 62
12.096 (SCK/992) 110 00 0100 62
8.064 (SCK/1488) 110 10 0100 62
48.387 (SCK/496) 010 01 0100 62
44.117 (SCK/544) 010 01 0011 68
32.258 (SCK/744) 010 11 0100 62
24.193 (SCK/992) 100 01 0100 62
24
22.058 (SCK/1088) 100 01 0011 68
16.129 (SCK/1488) 100 11 0100 62
12.096 (SCK/1984) 110 01 0100 62
8.064 (SCK/2796) 110 11 0100 62
48.484 (SCK/396) 011 00 0110 66
44.444 (SCK/432) 011 00 0101 72
32.323 (SCK/594) 011 10 0110 66
24.242 (SCK/792) 101 00 0110 66
19.2
22.222 (SCK/864) 101 00 0101 72
16.161 (SCK/1188) 101 10 0110 66
12.121 (SCK/1584) 111 00 0110 66
8.080 (SCK/2376) 111 10 0110 66
32 Submit Documentation Feedback Copyright © 2007, Texas Instruments Incorporated
Product Folder Link(s): PCM1870