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System Overview
2.3.2
External Power Supply
External power supply can be applied to J3. A minimum of 6.25 V must be applied. When J3 is plugged,
the USB power options are disabled.
J3
Input voltage: +6.25 V to +26 V
2.0 mm – 2.1 mm, center-positive, +V input
PWR
Figure 2-6. Jumper Placement for External Power Supply
2.3.3
Voltage Selection
The system can be operated at 5 V or 3.3 V. Place a jumper on J5 for voltage selection.
1. To supply 5 V to the TSSEVB, place the jumper on 1–2 position.
J5
V_SEL
Figure 2-7. Jumper Placement for 5 V
2. To supply 3.3 V to the TSSEVB, place the jumper on 2–3 position.
J5
V_SEL
Figure 2-8. Jumper Placement for 3.3 V
Touch Sensing Software Evaluation Board Users Guide, Rev. 6
2-18
Freescale Semiconductor
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相关PDF资料
TSW169N202/90
T-STRUT 16.85"X1" FOR CARD RACK
TT129X
PATCHCORD 3-COND 6.0FT
TTL-232RG-VREG3V3-WE
CABLE USB SERIAL 3.3V WIRE 250MA
TUNAG001
MODULE MEMS COMPASS SPI CM1015
TUNAG002
BOARD EVAL MEMS COMPASS CM1015
TUNAG003
MODULE MEMS COMPASS I2C CM1020
TWN1.50SV
THERMASHIELD WRAP 1.50" SLV 200'
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