48 Operation Theory
COS Detection
The following timing is an example of the COS detection. Every DI
signal’s edge change can be detected. All the DI channels edge
will be ‘OR’ together to generate the INT1 or INT2 IRQ signals.
If INT1 or INT2 irq Signals generate, the signal will be latch its
state. The user can use the “_7233_CLR_IRQ” function to clear,
INT1, or INT2 IRQ signal state.
Figure 4-7: Example of COS detection
Clear_IRQ
Clear_IRQ Clear_IRQ
DI_0
DI_1
DI_0 COS
DI_1 COS
INT1
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