Datasheet

139
XMEGA B [DATASHEET]
8291B–AVR–01/2013
12.12.11INT0MASK – Interrupt 0 Mask register
 Bit 7:0 – INT0MSK[7:0]: Interrupt 0 Mask bits
These bits are used to mask which pins can be used as sources for port interrupt 0. If INT0MASKn is written to one, pin
n is used as source for port interrupt 0.The input sense configuration for each pin is decided by the PINnCTRL registers.
12.12.12INT1MASK – Interrupt 1 Mask register
 Bit 7:0 – INT1MASK[7:0]: Interrupt 1 Mask bits
These bits are used to mask which pins can be used as sources for port interrupt 1. If INT1MASKn is written to one, pin
n is used as source for port interrupt 1.The input sense configuration for each pin is decided by the PINnCTRL registers.
12.12.13INTFLAGS – Interrupt Flag register
 Bit 7:2 – Reserved
These bits are unused and reserved for future use. For compatibility with future devices, always write these bits to zero
when this register is written.
 Bit 1:0 – INTnIF: Interrupt n Flag
The INTnIF flag is set when a pin change/state matches the pin's input sense configuration, and the pin is set as source
for port interrupt n. Writing a one to this flag's bit location will clear the flag. For enabling and executing the interrupt, refer
to the interrupt level description.
Bit 76543210
+0x0A INT0MSK[7:0]
Read/Write R/W R/W R/W R/W R/W R/W R/W R/W
Initial Value 0 0 0 0 0 0 0 0
Bit 76543210
+0x0B INT1MSK[7:0]
Read/Write R/W R/W R/W R/W R/W R/W R/W R/W
Initial Value 0 0000000
Bit 76543210
+0x0C
– – – – – – INT1IF INT0IF
Read/Write R R R R R R R/W R/W
Initial Value 00000000