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5.9.1. PCI Express
5.9.2. 10/100/1000 Ethernet (HPS)
5.9.3. 10/100/1000 Ethernet (FPGA)
5.9.4. FMC
5.9.5. HPS Shared I/O
5.9.6. USB 2.0 Port (HPS)
5.9.7. RS-232 UART (HPS)
5.9.8. Real-Time Clock (HPS)
5.9.9. SFP+
5.9.10. I2C Interface
5.9.11. FPGA General I/O Configuration
5.9.12. HPS SPIO Interface
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5.9.11.2. LMK04828 Controller
The TI interface uses the USB interface to access the LMK04828 clock cleaner. The LMK04828 controller passes the FT245RQ signals to the SPI interface of LMK04828 clock cleaner chip.
Figure 30. LMK04828 Controller
J33 is used to select reference clock sources.
Description | Clock source of Clock Cleaner |
---|---|
OPEN | VCXO |
SHORT | EXT_CLOCK |