UM11158
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User manual
Rev. 0.2 — 16 October 2018
6 of 20
NXP Semiconductors
UM11158
LPCXpresso55S69 Development Board
Fig 3.
LPCXpresso55S69 jumpers and headers
Table 1.
Indicators, buttons, connectors and LEDs
Circuit
reference
Description
Default
Reference
DS1
Target power indicator LED
n/a
n/a
DS2
Link2 boot LED
n/a
[4.1]
D8
RGB User LED
n/a
n/a
J1
Audio codec line input jack
n/a
J2
Audio codec line output jack
n/a
J3
Buffer Power Selection
For On-board Target place in position 1-2 (default)
For Off-board Target place in position 2-3
1-2
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