Freescale Semiconductor TWR-K80F150M, Быстрый старт

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TWR-K80F150M Jumper Options (cont.)
J25
Board Power
and Regulator
Selection
1–3 3V3_BRD connected to output of 3.3 V regualtor
2–4 Invalid configuration. Do not use.
3–4 Invalid configuration. Do not use.
4–6 1.8 V regulator uses output of Li-Ion Battery Domain
5–6
1.8 V regulator uses output of 3.3 V regulator
6–8 1.8 V regulator uses 5 V IN directory.
J26
5V Input Power
Selection
1–3 VREGIN uses USB 5 V
3–4 Raw 5 V input from K80 USB
5–6 Regulated 5 V output from OpenSDA 5 V input
7–8 Power from P5V_ELEV input
9–10 Raw 5 V input from OpenSDA USB port J24
J27 OpenSDA Reset
ON
Connect OpenSDA reset signal to board reset. There is a
board trace that makes this connection even if jumper is
not populated.
OFF*
Disconnect OpenSDA reset signal to board reset. *By default
there is a board trace connecting this signal even though
jumper is off.
J28
USB power
enable
connection
ON Connect PTC19 to USB power enable for MIC2005
OFF Disconnect PTC19 to USB power enable for MIC2005
Jumper Option Setting Description