Specifications

49
Figure 22: Digital audio interface modes
The internal representation of audio samples within BlueCore5.Multimedia External is 16-
bit and data on SD_OUT is limited to 16-bit per channel.
Symbol Parameter Min Typ Max Unit
- SCK Frequency - - 6.2 MHz
- WS Frequency - - 96 kHz
t
ch
SCK high time 80 - - ns
t
cl
SCK low time 80 - - ns
t
opd
SCK to SD_OUT delay - - 20 ns
t
ssu
WS to SCK set-up time 20 - - ns
t
sh
WS to SCK hold time 20 - - ns
t
isu
SD_IN to SCK set-up
time 20 - - ns
t
ih
SD_IN to SCK hold
time 20 - - ns
Table 20: Digital audio interface slave timing