Manualshelf

Datasheet

ManualsBrandsTEXAS INSTRUMENTS ManualsLinear ICsLinear IC - Custom audio Consumer audio, Musical instruments I²C, I²S, SPI LQFP 48
31323334353637383940
PCM9211
www.ti.com
SBAS495 –JUNE 2010
The relationship between SFSOUT[3:0] outputs and the range of sampling frequency f
S
is shown in Table 8.
Table 8. Calculated Biphase Sampling Frequency Output
CALCULATED SAMPLING FREQUENCY OUTPUT
(1)
ACTUAL SAMPLING
NOMINAL f
S
FREQUENCY RANGE SFSOUT3 SFSOUT2 SFSOUT1 SFSOUT0
Out of range Out of range 0 0 0 0
8 kHz 7.84 kHz to 8.16 kHz 0 0 0 1
11.025 kHz 10.8045 kHz to 11.2455 kHz 0 0 1 0
12 kHz 11.76 kHz to 12.24 kHz 0 0 1 1
16 kHz 15.68 kHz to 16.32 kHz 0 1 0 0
22.05 kHz 21.609 kHz to 22.491 kHz 0 1 0 1
24 kHz 23.52 kHz to 24.48 kHz 0 1 1 0
32 kHz 31.36 kHz to 32.64 kHz 0 1 1 1
44.1 kHz 43.218 kHz to 44.982 kHz 1 0 0 0
48 kHz 47.04 kHz to 48.96 kHz 1 0 0 1
64 kHz 62.72 kHz to 65.28 kHz 1 0 1 0
88.2 kHz 86.436 kHz to 89.964 kHz 1 0 1 1
96 kHz 94.08 kHz to 97.92 kHz 1 1 0 0
128 kHz 125.44 kHz to 130.56 kHz 1 1 0 1
176.4 kHz 172.872 kHz to 179.928 kHz 1 1 1 0
192 kHz 188.16 kHz to 195.84 kHz 1 1 1 1
(1) The flag SFSOUT[3:0] is output from the register and MPIOs are assigned as SFSOUT[3:0].
'0' or '1' indicates the register output data. The symbol 'H' or 'L' refers to the MPIO output electrical signal.
The Biphase Sampling Frequency Calculator is also used for restricting the type of data that can be received.
1. If Register 27h/MSK128 is set to '1', the PCM9211 does not accept 128-kHz sampling frequency data
2. If Register 27h/MSK64 is set to '1', the PCM9211 does not accept 64-kHz sampling frequency data.
3. If Register 27h/NOMLMT is set to '1', the PCM9211 only accepts the nominal audio sampling frequency
within ±2%.The nominal audio sampling frequencies are 8 kHz, 11.025 kHz, 12 kHz, 16 kHz, 22.05 kHz, 24
kHz,32 kHz, 44.1 kHz, 48 kHz, 64 kHz, 88.2 kHz, 96 kHz, 128 kHz, 176.4 kHz, and 192 kHz.
4. For Register 27h/HILMT[1:0] and Register 27h/LOLMT[1:0]: These registers are used for setting a higher or
lower limit to the acceptable sampling frequency.
Register 21h/RXFSRNG is used for global control of the acceptable sampling frequencies. If normal mode is
selected, the range of acceptable sampling frequency is restricted from 28 kHz to 108 kHz. If wide mode is
selected, the range is from 7 kHz to 216 kHz.
Copyright © 2010, Texas Instruments Incorporated Submit Documentation Feedback 35
Product Folder Link(s): PCM9211