TC1796
Peripheral Units (Vol. 2 of 2)
Fast Analog-to-Digital Converter (FADC)
User’s Manual 26-21 V2.0, 2007-07
FADC, V2.0
26.1.7 Neighbor Channel Trigger
The neighbor channel trigger feature allows the concatenation of channel conversions.
This means that the start of a conversion for one channel can generate multiple channel
trigger requests for the other three channels. A channel conversion request flag of a
neighbor channel becomes only set by a neighbor channel trigger request if the gating
condition (gating mode selection output at high level in Figure 26-4) in the
corresponding neighbor channel is valid.
All neighbor channel trigger enable bits ENxy are all located in the Neighbor Channel
Trigger Register NCTR. Index “x” indicates the number of the channel that starts a
neighbor channel trigger. Index “y” is the number of the neighbor channel to be triggered.
Figure 26-10 Neighbor Channel Trigger
MCA06047
Neighbor
Channel
Trigger Signal
NCT0
Start of
Channel
3210
EN10
NCTR
EN20 EN30 EN01 EN02 EN03
EN02
NCTR
EN12 EN32 EN03 EN13 EN23
Neighbor
Channel
Trigger Signal
NCT1
Neighbor
Channel
Trigger Signal
NCT2
Neighbor
Channel
Trigger Signal
NCT3
≥1
≥1
≥1
≥1
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