Datasheet

STMPE811 Interrupt system
Doc ID 14489 Rev 6 25/65
8 Interrupt system
The STMPE811 uses a 2-tier interrupt structure. The ADC interrupts and GPIO interrupts
are ganged as a single bit in the “interrupt status register”. The interrupts from the
touchscreen controller and temperature sensor can be seen directly in the interrupt status
register.
Figure 8. Interrupt system diagram
GPIO
interrupt
status
FIFO status,
TSC touch,
Temp sensor
AND
Interrupt
enable
Interrupt
status
AND
GPIO
interrupt
enable
AND
ADC
interrupt
enable
ADC
interrupt
status