Service Manual
For the built-in and external clock of OMAP2912, there are two reset modes: Reset Mode0 and Reset
Mode1. Reset Mode0 is adopted for this system. As for this product, system clock uses external clock,
while 32K clock uses built-in clock. See the following figure:
Figure 6-10 Clock Connection Block Diagram
6.2.5 Memory
OMAP5912 provides two types of external memory interfaces: external memory interface slow (EMIFS)
and external memory interface fast (EMIFF). External NOR Flash and Mobile SDRAM have been
expanded for two OMAPs in the system. See the following figure:
6-11 Memory Block Diagram
6.2.6 MCBSP
OMAP5912 has 3 McBSP interfaces: McBSP1, McBSP2 and McBSP3. McBSP1 of RX OMAP and TX
OMAP is used to communicate with Codec. RX OMAP McBSP2 is used to connect SSI interface of
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