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CY4672 Reference Design Guide, Document # 001-16968 Revision ** 99
Bridge
Figure 5-19 shows the Sleep key being pressed. Note the power key reports are sent via endpoint 2
and Report ID 3.
Figure 5-19. Example Keyboard CATC Trace (Power Key)
Figure 5-20 below shows the Get_Report requests used to retrieve the keyboard and mouse battery
level and link quality information. Note the data transfers occurred on the control endpoint,
endpoint 0, and Report ID were used to differentiate keyboard and mouse requests.
Figure 5-20. CATC Trace of Battery and Link Quality Data Requests
Key Up
Key Code
Report ID 3 =
Power Key
Keyboard’s Battery and Link
Quality Request Using Report ID 5
Mouse’s Battery and Link Quality
Request Using Report ID 4
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