User Manual
EMMY-W1 series - User Manual
UBX-16015271 - R03 Product Information Interfaces
Page 15 of 46
2.4 PCM interface
The EMMY-W1 series modules support a Pulse Code Modulation (PCM) interface that provides:
Master or slave mode
PCM bit width size of 8 bits or 16 bits
Up to 4 slots with configurable bit width and start positions
Short frame and long frame synchronization
2.4.1 PCM interface specifications
Figure 9: PCM timing specification – Master mode
Symbol
Parameter
Condition
Min.
Typ
Max.
Units
F
BCLK
-
-
-
2/2.048
-
MHz
Duty Cycle
BCLK
-
-
0.4
0.5
0.6
-
T
BCLK rise/fall
-
-
-
3
-
Ns
T
DO
-
-
-
-
15
ns
T
DISU
-
-
20
-
-
ns
T
DIHO
-
-
15
-
-
ns
T
BF
-
-
-
-
15
ns
Table 9: PCM timing specification – Master mode