C8051F850-C-GM Datasheet, PDF (83/328 Pages) Silicon Laboratories – Low-Cost 8-bit MCU Family with up to 8 kB of Flash

Table 12.2. IE Register Bit Descriptions
Bit
Name
Function
0
EX0
Enable External Interrupt 0.
This bit sets the masking of External Interrupt 0.
0: Disable external interrupt 0.
1: Enable interrupt requests generated by the INT0 input.
Rev. 1.0
72