User's Manual

FLC-BTM805 Datasheet
Flaircomm Microelectronics Confidential
-25-
Figure 16: Digital Audio Interface Modes
The internal representation of audio samples within BTM805 is 16-bit and data on SD_OUT is
limited to 16-bit per channel.
Symbol
Parameter
Min
Typical
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
Table 11: Digital Audio Interface Slave Timing
Symbol
Parameter
Min
Typical
Max
Unit
T
ssu
WS valid to SCK high set-up time
20
-
-
ns
t
sh
SCK high to WS invalid hold time
2.5
-
-
ns
T
opd
SCK low to SD_OUT valid delay time
-
-
20
ns
t
isu
SD_IN valid to SCK high set-up time
20
-
-
ns
T
ih
SCK high to SD_IN invalid hold time
2.5
-
-
ns
Table 12: I
2
S Slave Mode Timing
Figure 17: Digital Audio Interface Slave Timing
Symbol
Parameter
Min
Typical
Max
Unit
-
SCK Frequency
-
-
6.2
MHz
-
WS Frequency
-
-
96
kHz
Table 13: Digital Audio Interface Slave Timing
Symbol
Parameter
Min
Typical
Max
Unit
T
spd
SCK low to WS valid delay time
-
-
39.27
ns