Datasheet

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SLES014B − OCTOBER 2001 − REVISED AUGUST 2002
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timing requirements (continued)
LRCK
BCK
LOW Fix 123
MSB
1 2 243 22
Channel 1
24
Channel 2 Channel 6
1 2LOW Fix 64 Bit
LRCK
BCK
1231 2 243 22 24 1 2
LRCK
BCK
LOW Fix 11 2 24
LOW Fix
1LOW Fix
64 BCK 64 BCK
Channel 1
LOW Fix
LOW Fix LOW Fix LOW Fix 64 Bit
Channel 1 Channel 2 Channel 3 Channel 6
LSB
LSBMSBMSB LSB
MSB LSB
1/f
S
BCK = 256 f
S
1/f
S
BCK = 128 f
S
1/f
S
BCK = 512 f
S
Channel 2
(4) TDM Data Format
Channel 3
32 BCK 32 BCK
32 BCK 32 BCK
Figure 6. Audio Data Input Format (Continued)
functional description
The PCM1606 has several built-in functions including digital input data format selection and digital
de-emphasis. These functions are hardware controlled with static control signals and used on pin FMT1 (pin 4),
pin FMT0 (pin 5), pin DEMP1 (pin 17), and DEMP0 (pin 16).
data format selection
The PCM audio data format can be selected by pin FMT1 (pin 4) and FMT0 (pin 5) as shown in Table 4.
Table 4. Data Format Control
FMT1 (pin 4) FMT0 (pin 5) AUDIO INTERFACE
LOW LOW I
2
S
LOW HIGH TDM
HIGH LOW Standard
HIGH HIGH Left-justified