CYUSB3KIT-001 EZ-USB FX3 Development Kit Guide, Doc. #: 001-70237 Rev. *C
41
Kit Operation
3.5
Boot Options
FX3 provides several booting options. The boot option is determined by the FX3 PMODE[2:0] input
pins. These PMODE[2:0] pins are configured using combination of Jumpers (J98, J97, and J96) and
dip switch SW25. For I
2
C and SPI boot options additional jumpers (J42, J45, J101, J102, J103, and
J104) and a dip switch (SW40) needs to be configured.
Figure 3-7
summarizes the PCB areas that implement different boot options.
Figure 3-7. Boot Dip Switch and Jumper Settings
SW25 Switch to Control
PMODE Input Pins
J96, 97, 98 – Jumpers to
Control PMODE Input Pins
J101, 102, 103, 104 –
Jumpers to Connect with
SPI Flash
U44 – EEPROM
Socket
SW40 Switch to Control
EEPROM Address
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