NXP Semiconductors
UM10883
PN7462 family Quick Start Guide - Development Kit
UM10883
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User manual
COMPANY PUBLIC
Rev. 1.6 — 14 May 2018
319816
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c. Waits for PMU/PCR exception events
d. Waits for CLIF Task completion if standby is enabled
e. Waits for CT Task completion if standby is enabled
f. Enter low power mode (standby)
2. CLIF task
a. Starts GP timer for listen duration if standby is
not
enabled and wait for GP timer
expiry
b. Configure external RF on detection
c. If boot reason is WUC counter or GP timer expiry, perform polling mode of
discovery loop
d. If boot reason is RFLD or external RF is detected, perform listen mode of
discovery loop
e. Notify system task if polling/listening is completed and standby is enabled
3. CT task
a. Enable CT presence interrupt and wait for CT presence interrupt
b. If boot reason is CT presence or CT presence interrupt is detected, perform CT
example
c. Notify system task if polling/listening is completed and standby is enabled
Fig 85 and Fig 86 illustrate one instance of phExMain execution for both standby and
non-standby scenarios.
•
Please note that the CLIF and CT tasks are independent and can concurrently
operate the CL and CT interfaces. During such concurrent operation, there is a
possibility that CT interface may be unstable. It is up to the application design to
configure interrupt and task priorities for a stable operation.
