Quectel M66

GSM/GPRS Module Series
M66 Hardware Design
M66_Hardware_Design Confidential / Released 47 / 80
12 11 10 9 8 7 6 5 4 3 2 1 0
12 11 10 9 8 7 6 5 4 3 2 1 0
PCM_CLK
PCM_SYNC
PCM_OUT
PCM_IN
MSB
MSB
Zero padding
Zero padding
Figure 29: Long Synchronization & Zero Padding Diagram
PCM_CLK
PCM_SYNC
PCM_OUT
PCM_IN
12 11 10 9 8 7 6 5 4 3 2 1 0
12 11 10 9 8 7 6 5 4 3 2 1 0
MSB
MSB
Sign extension
Sign extension
Figure 30: Short Synchronization & Sign Extension Diagram
PCM_CLK
PCM_SYNC
PCM_OUT
PCM_IN
12 11 10 9 8 7 6 5 4 3 2 1 0
12 11 10 9 8 7 6 5 4 3 2 1 0
MSB
MSB
Zero padding
Zero padding
Figure 31: Short Synchronization & Zero Padding Diagram
Quectel
Confidential