Llwu Interrupt; Wake-Up Sources - NXP Semiconductors MKL27Z128VFM4 Reference Manual

Table of Contents

Low-Leakage Wakeup Unit (LLWU)

18.1 LLWU interrupt

The interrupt requests of external sources and internal peripherals are used in wakeup.

Do not mask the LLWU interrupt when in LLS/VLLSx mode.

Masking the interrupt prevents the device from exiting stop

mode when a wakeup is detected.

The device uses the following internal peripheral and external pin inputs as wakeup

sources to the LLWU module. LLWU_Px are external pin inputs, and LLWU_M0IF-

M7IF are connections to the internal peripheral interrupt flags.

In addition to the LLWU wakeup sources, the device also

wakes from low power modes when NMI or RESET pins are

enabled and the respective pin is asserted.

Freescale Semiconductor, Inc.

Table 18-1. Wakeup Source

Table continues on the next page...

KL27 Sub-Family Reference Manual , Rev. 5, 01/2016

Module source or pin name