25.7.9 External Interrupt Asynchronous Mode

Name: ASYNCH
Offset: 0x18
Reset: 0x00000000
Property: PAC Write-Protection, Enable-Protected

Bit 3130292827262524 
          
Access  
Reset  
Bit 2322212019181716 
          
Access  
Reset  
Bit 15141312111098 
 ASYNCH15ASYNCH14ASYNCH13ASYNCH12ASYNCH11ASYNCH10ASYNCH9ASYNCH8 
Access RWRWRWRWRWRWRWRW 
Reset 00000000 
Bit 76543210 
 ASYNCH7ASYNCH6ASYNCH5ASYNCH4ASYNCH3ASYNCH2ASYNCH1ASYNCH0 
Access RWRWRWRWRWRWRWRW 
Reset 00000000 

Bits 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 – ASYNCH Asynchronous Edge Detection Mode [x = 15..0]

The bit x of ASYNCH set the Asynchronous Edge Detection Mode for the interrupt associated with the EXTINTx pin.

ValueDescription
0 The EXTINT x edge detection is synchronously operated.
1 The EXTINT x edge detection is asynchronously operated.