Freescale Semiconductor TWR-K80F150M, Быстрый старт

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10
Quick Start Guide
TWR-K80F150M Jumper Options (cont.)
Jumper Option Setting Description
J30
3.3 V and 1.8 V
sequencing
1–2 Invalid configuration. Do not use.
1–3
Option 2: 1.8 V comes up before 3.3 V.
3.3 V regulator enabled by output of 1.8 V regulator. Only
used if VDD=1.8 V and VDDIO_E=3.3 V, which is not valid
for QuadSPI on board.
2–4
Option 2: 1.8 V comes up before 3.3 V.
1.8 V regulator enabled by input to regulator. Only used
if VDD=1.8 V and VDDIO_E=3.3 V, which is not valid for
QuadSPI on board.
3–5
Option 1: 3.3 V comes up before 1.8 V.
3.3 V regulator enabled by input to regulator.
4–6
Option 1: 3.3 V comes up before 1.8 V.
1.8 V regulator enabled by 3.3 V board supply.
5–6 Invalid configuration. Do not use.
J31
VDDIO_E and
VDD Selection
1–3 V_BRD/MCU_VDD is 3.3 V
2–4 VDDIO_E is 3.3 V
3–5 V_BRD/MCU_VDD is 1.8 V
4–6 VDDIO_E is 1.8 V
J33
Battery Voltage
Monitoring
ON Connect ADC0_DP3 to battery voltage
OFF Enable 5 V Boost
J34
Battery Boost
Regulator Input
ON Enable 5 V Boost
OFF Disconnect Boost Enable.