CYUSB3KIT-001 EZ-USB FX3 Development Kit Guide, Doc. #: 001-70237 Rev. *C
46
Kit Operation
5. Before attempting to program the EEPROM, ensure that the address signals of the EEPROM are
configured correctly using dip switch SW40 (for example, Microchip part 24AA1025, 1–8 ON, 2–7
ON, 3–6 OFF). Also, the I
2
C clock (SCL) and data line (SDA) jumpers J42 and J45 pins 1–2
should be shorted on the DVK board.
6. When connected to a USB host, the FX3 device enumerates in USB Control Center as
Cypress
USB BootLoader
.
7. In Control Center, select the FX3 device and then choose
Program > FX3 > I2C EEPROM
. This
causes a special I
2
C boot firmware to be programmed into the FX3 device, which then enables
programming of the I
2
C device connected to FX3. Hence, now the FX3 device re-enumerates as
Cypress USB BootProgrammer
.
Figure 3-12. FX3 USB Bootloader Entry in Control Center
Figure 3-13. I
2
C EEPROM Download Option in Control Center
Figure 3-14. FX3 Re-Enumerates as Cypress USB Boot Programmer
8. After the FX3 DVK board enumerates as
Cypress USB BootProgrammer
, the Control Center
application prompts the user to select the firmware binary to download. Browse to the relevant
release mode firmware binary, as shown in
Figure 3-15
.
9. The bottom left corner of the window displays
Programming of I2C E2PROM in Progress---
, as
shown in
Figure 3-16
.
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