15

6396A–DRMSD–15-Oct-08

ATSAM2533

9.5

Digital Audio Timing

Figure 9-5.

Digital Audio Timing

Figure 9-6.

Digital Audio Frame Format

Note:

• Selection between I2S and Japanese format is a firmware option.

• DAAD is 16 bits only.

WSBD

CLBD

DABD0

DABD1

DAAD

tcw

tcw

tclbd

tsod

tsod

Table 9-5.

Digital Audio Timing Parameters

Symbol

Parameter

Min

Typ

Mx

Unit

tcw

CLBD rising to WSBD change

8*tck-10

-

-

ns

tsod

DABD valid prior/after CLBD rising

8*tck-10

-

-

ns

tclbd

CLBD cycle time

-

16*tck

-

ns

MSB

LSB

(16bits)

LSB

(18bits)

LSB

(20bits)

MSB

WSBD

(I2S)

WSBD

(Japanese)

CLBD

DABD0

DABD1

DAAD