Users Manual

GSM/GPRS Module Series
M66 Hardware Design
M66_Hardware_Design Confidential / Released 51 / 82
details, please refer to Chapter 3.9.4.
Figure 28: Long Synchronization Diagram
Figure 29: Short Synchronization Diagram
3.9.3. Reference Design
M66 can only work as a master, providing synchronization and clock source. The reference design is
shown as below.