BCK

t

DS

t

DH

DATA

LRCK

0. 5 * DVDD

0. 5 * DVDD

0. 5 * DVDD

(Input)

(Input)

(Input)

DATA

0. 5 * DVDD

( Output)

PCM5100, PCM5101, PCM5102

www.ti.com

SLAS764

– MAY 2011

PCM Audio Data Formats and Timing

All formats require binary 2s complement, MSB-first audio data. Figure 13 shows a detailed timing diagram for

the serial audio interface.

Figure 13. PCM510x Serial Audio Timing - Slave

Table 7. Audio Interface Slave Timing

Parameters

Min

Max

Units

BCK Pulse Cycle Time

40

ns

BCK Pulse Width LOW

16

ns

BCK Pulse Width HIGH

16

ns

BCK Rising Edge to LRCK Edge

8

ns

LRCK Edge to BCK Rising Edge

8

ns

DATA Set Up Time

8

ns

DATA Hold Time

8

ns

Copyright

© 2011, Texas Instruments Incorporated

13