Chapter 24 External Watchdog Monitor (Ewm) - NXP Semiconductors freescale KV4 Series Reference Manual

Chapter 24
External Watchdog Monitor (EWM)
24.1 Chip-specific EWM information
24.1.1 EWM clocks
This table shows the EWM clocks and the corresponding chip clocks.
Module clock
Low Power Clock
24.1.2 EWM low-power modes
This table shows the EWM low-power modes and the corresponding chip low-power
modes.
Module mode
Wait
Stop
24.1.3 EWM_OUT pin state in low power modes
When the CPU enters a Run mode from Wait or Stop recovery, the pin resumes its
previous state before entering Wait or Stop mode. When the CPU enters Run mode from
Power Down, the pin returns to its reset state.
Freescale Semiconductor, Inc.
Table 24-1. EWM clock connections
1 kHz LPO Clock
Table 24-2. EWM low-power modes
Wait, VLPW
Stop, VLPS
KV4x Reference Manual, Rev. 2, 02/2015
Preliminary
Chip clock
Chip mode
451