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Figure 7. The positions of J1111, J2001, J1001 to J1006, R1113, R4009, R4010 and Micro SD cardholder on the board
4.2.2. Power source for digital I/O
LinkIt 2523 HDK supplies power to devices with different voltage support. GPIO voltage level customization is shown
in Table 2. Jumper and resistor positions are specified in Figure 8.
Table 2. GPIO voltage level customization with jumper and pin (illustrated) settings
Connect the jumper J1106 pins to set the power rail DVDD_VIO_Ato VIO28, as shown below.
Connect the jumper J1106 pins to set the power rail DVDD_VIO_Ato VIO18, as shown below.
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Any unauthorized use, reproduction or disclosure of this document in whole or in part is strictly prohibited.
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LinkIt 2523 HDK User's Manual
© 2015 - 2016 MediaTek Inc.
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