Cypress FM4 Series - External Interrupt Factor Clear Register (EICL)

CHAPTER 9: External Interrupt and NMI Control Sections
FM4 Peripheral Manual, Doc. No. 002-04856 Rev. *E 447
4.3 External Interrupt Factor Clear Register (EICL)
The EICL register is used to clear the held interrupt factor.
Register configuration
bit
31
16
Field
ECL[31:16]
Attribute
R/W
Initial value
0xFFFF
bit
15
0
Field
ECL[15:0]
Attribute
R/W
Initial value
0xFFFF
Register functions
[bit31:0] ECL31 to ECL0: External interrupt factor clear bits
ECL31 to ECL0 bits correspond to pins INT31 to INT00.
It is not possible to write 0 to the bit corresponding to a pin that is not defined in the product specifications.
bit
Function
When 0 is written
Clears an external interrupt factor of INTx pin corresponding to the relevant bit.
When 1 is written
No effect on operation
Reading
Always reads 1.