CYUSB3KIT-001 EZ-USB FX3 Development Kit Guide, Doc. #: 001-70237 Rev. *C
4
Contents
3.11
Example 2: Loopback of Data over Bulk Endpoints...................................................55
3.12
Modify the Bulkloop Firmware Example ....................................................................57
3.13
Example 3: Measurement of Throughput Using USB 3.0 Bulk Transfers..................62
4. Hardware
65
4.1
Power Supply.............................................................................................................65
4.2
USB Receptacle ........................................................................................................66
4.3
Clocking Mechanism for FX3 .....................................................................................67
4.4
GPIF II Connector ......................................................................................................69
4.4.1
Interconnecting to the GPIF II Connector.......................................................73
4.4.2
FX3 DVK Interconnect Boards .......................................................................76
4.5
Reset Circuit ..............................................................................................................76
4.6
Serial Interfaces .........................................................................................................77
4.6.1
I2C Interface...................................................................................................77
4.6.2
I2S..................................................................................................................77
4.6.3
SPI and UART................................................................................................77
4.6.4
JTAG ..............................................................................................................80
A. Appendix - Troubleshooting
81
A.1
Self-Power Mode .......................................................................................................81
A.2
Bus-Power Mode .......................................................................................................81
A.3
USB 2.0 Enumeration ................................................................................................82
A.4
USB Driver Installation...............................................................................................82
A.5
USB Boot ...................................................................................................................83
A.6
I2C Boot .....................................................................................................................84
A.7
SPI Boot.....................................................................................................................84
A.8
USB3.0 Enumeration .................................................................................................85
B. Appendix - PCB Layout
86
B.1
Assembly Top ............................................................................................................86
B.2
Assembly Bottom .......................................................................................................87
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