LinkIt 2523 HDK v11 User's Guide
© 2015 - 2016 MediaTek Inc.
Page 15 of 82
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Connect the jumper J1105 pins
with 0Ω resistor
to set the power source
from VIO18, as shown below.
PSRAM power supply J1113
(Should be synchronized
with J1105)
Connect the jumper J1113 pins to set the power source from VIO18, as
shown below.
Connect the jumper J1113 pins to set the power source from VSWXM, as
shown below.
4.2.7.
Serial flash I/O power source
Table 5 provides two different settings to power up the serial flash.
Table 5. Serial flash I/O power source selection jumper
Serial flash I/O
power supply J1112
Connect the jumper J1112 (see Figure 10) pins
with 0Ω resistor
to set the power
source from VIO18, as shown below.
Connect the jumper J1112 (see Figure 10) pins
with 0Ω resistor
to set the power
source from VSF, as shown below.
4.2.8.
Analog I/O power selection
Table 6 provides two different settings to power up the analog I/O.
Table 6. Analog I/O power source selection jumper
Analog I/O power
supply J1114
Connect the jumper J1114 (see Figure 10) pins
with 0Ω resistor
to set the power
source from VA28, as shown below.
Connect the jumper J1114 pins
with 0Ω resistor
to set the power source from
VIO28, as shown below.
1 2 3
1 2 3
1 2 3
1 2 3
1 2 3
1 2 3
1 2 3
