Cirrus-logic CDB8421 Manual do Utilizador descarregar pdf (Página 5)

CDB8421

DS641DB3 5

Switch S2 controls the interface format of the CS8406 and the CS8421 output port. The func-

tions for switches S2[3:0] are detailed in Table 3.

Switch S3 controls the interface format of the CS8416 and the CS8421 input port. The func-

tions for switches S3[2:0] are detailed in Table 4.

S2[3:0] CS8421 Output Configuration

0000 I²S 16-bit Data

0001 I²S 20-bit Data

0010 I²S 24-bit Data

0011 I²S 32-bit Data

0100 Left Justified 16-bit Data

0101 Left Justified 20-bit Data

0110 Left Justified 24-bit Data

0111 Left Justified 32-bit Data

1000 Right Justified 16-bit Data

1001 Right Justified 20-bit Data

1010 Right Justified 24-bit Data

1011 Right Justified 32-bit Data

1100 TDM Mode, 16-bit Data

1101 TDM Mode, 20-bit Data

1110 TDM Mode, 24-bit Data

1111 TDM Mode, 32-bit Data

Table 3. Switch S2, Serial Output Formats

S3[2:0] CS8421 Output Configuration

000 I²S up to 32-bit Data

001 Left Justified up to 32-bit Data

010 Right Justified 16-bit Data

011 Right Justified 20-bit Data

100 Right Justified 24-bit Data

101 Right Justified 32-bit Data

110 Left Justified 24-bit Data

Table 4. Switch S3, Serial Input Formats

1 2 3 4 5 6 7 8 9 10 ... 21 22

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Cirrus-logic CDB8421 Manual do Utilizador Página 5