UM10503
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User manual
Rev. 1.3 — 6 July 2012
835 of 1269
NXP Semiconductors
UM10503
Chapter 28: LPC43xx State Configurable Timer (SCT)
28.7 Functional description
28.7.1 Match logic
28.7.2 Capture logic
28.7.3 Event selection
State variables allow control of the SCT across more than one cycle of the counter.
Counter matches, input/output edges, and state values are combined into a set of
general-purpose events that can switch outputs, request interrupts, and change state
values.
Fig 89. Match logic
=
Counter L
Counter H
Match i H
Match
Reg i H
Match
Reload
i H
=
Match
Reg i L
Match
Reload
i L
Match i L
UNIFY
Fig 90. Capture logic
SCT clock
