Table of Contents
Advertisement
UG-284
Table 6. J43
Jumper
1
Position
Function
1-2
On-board LDO-generated 1.8 V connected to
IOVDD1
3-4
On-board LDO-generated 3.3 V connected to
IOVDD1
5-6
On-board LDO-generated 2.4 V connected to
IOVDD1
Off
External power supply connected to
Test Pin IOVDD1 and Test Pin GND
1
Jumper Position x-y means Pin x and Pin y are connected together via a
jumper capacitor.
J36 is for IOVDD2 power supply selection, which powers digital
Audio Interface B. The selection options are shown in Table 7.
Table 7. J36
Jumper
1
Position
Function
1-2
On-board LDO-generated 1.8 V connected to
IOVDD2
3-4
On-board LDO-generated 3.3 V connected to
IOVDD2
5-6
On-board LDO-generated 2.4 V connected to
IOVDD2
Off
External power supply connected to
Test Pin IOVDD2 and Test Pin GND
1
Jumper Position x-y means Pin x and Pin y are connected together via a
jumper capacitor.
J39 is for IOVDD3 power supply selection, which powers digital
Audio Interface C. The selection options are shown in Table 8.
Table 8. J39
Jumper
1
Position
Function
1-2
On-board LDO-generated 1.8 V connected to
IOVDD3
3-4
On-board LDO-generated 3.3 V connected to
IOVDD3
5-6
On-board LDO-generated 2.4 V connected to
IOVDD3
Off
External power supply connected to
Test Pin IOVDD3 and Test Pin GND
1
Jumper Position x-y means Pin x and Pin y are connected together via a
jumper capacitor.
J37 is for IOVDD4 power supply selection, which powers the
digital microphone interface. The selection options are shown
in Table 9.
Table 9. J37
Jumper
1
Position
Function
1-2
On-board LDO-generated 1.8 V connected to
IOVDD4
3-4
On-board LDO-generated 3.3 V connected to
IOVDD4
5-6
On-board LDO-generated 2.4 V connected to
IOVDD4
Off
External power supply connected to
Test Pin IOVDD4 and Test Pin GND
1
Jumper Position x-y means Pin x and Pin y are connected together via a
jumper capacitor.
J38 is for IOVDD5 power supply selection, which powers the
2
I
C/SPI port. The selection options are shown in Table 10.
Table 10. J38
Jumper
Position
1
Function
1-2
On-board LDO-generated 1.8 V connected to
IOVDD5
3-4
On-board LDO-generated 3.3 V connected to
IOVDD5
5-6
On-board LDO-generated 2.4 V connected to
IOVDD5
Off
External power supply connected to
Test Pin IOVDD5 and Test Pin GND
1
Jumper Position x-y means Pin x and Pin y are connected together via a
jumper capacitor.
Rev. 0 | Page 6 of 24
Evaluation Board User Guide
Advertisement
Table of Contents
Need help?
Do you have a question about the UG-284 and is the answer not in the manual?