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Ixiasoft
Recommended Operating Conditions
E-Tile Transceiver Power Supply Recommended Operating Conditions
P-Tile Transceiver Power Supply Recommended Operating Conditions
R-Tile Transceiver Power Supply Recommended Operating Conditions
F-Tile Transceiver Power Supply Recommended Operating Conditions
HPS Power Supply Recommended Operating Conditions
Single-Ended I/O Standards Specifications
Single-Ended SSTL, HSTL, HSUL, and POD I/O Reference Voltage Specifications
Single-Ended SSTL, HSTL, HSUL, and POD I/O Standards Signal Specifications
Differential SSTL, HSTL, and HSUL I/O Standards Specifications
Differential POD I/O Standards Specifications
Differential I/O Standards Specifications
HPS Clock Performance
HPS Internal Oscillator Frequency
HPS PLL Specifications
HPS Cold Reset
HPS SPI Timing Characteristics
HPS SD/MMC Timing Characteristics
HPS USB UPLI Timing Characteristics
HPS Ethernet Media Access Controller (EMAC) Timing Characteristics
HPS I2C Timing Characteristics
HPS NAND Timing Characteristics
HPS Trace Timing Characteristics
HPS GPIO Interface
HPS JTAG Timing Characteristics
HPS Programmable I/O Timing Characteristics
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Ixiasoft
HPS USB UPLI Timing Characteristics
Symbol | Description | Min | Typ | Max | Unit |
---|---|---|---|---|---|
Tusb_clk | USB_CLK clock period | — | 16.667 | — | ns |
Td | Clock to USB_STP/USB_DATA[7:0] output delay | 2 | — | 7 | ns |
Tsu | Setup time for USB_DIR/USB_NXT/USB_DATA[7:0] | 4 | — | — | ns |
Th | Hold time for USB_DIR/USB_NXT/USB_DATA[7:0] | 1 | — | — | ns |
Figure 10. USB ULPI Timing Diagram
Note: The USB interface supports single data rate (SDR) timing only.
Note: If you need to adjust the timings of certain signals, you can use the HPS registers Pin_Mux.io0_delay through Pin_Mux.io47_delay to allow software to set the delay chains in each of the dedicated I/Os. For example, to add output and input delay to the USB_DATA3 signal (HPS_IOA_8), program Pin_Mux.io7_delay.output_val_en = 1, and Pin_Mux.io7_delay.output_val = 15 to add approximately 1.6 ns output delay from the HPS, and program Pin_Mux.io7_delay.input_val_en = 3, and Pin_Mux.io7_delay.input_val = 30 to add approximately 2.9 ns input delay into the HPS. See HPS Programmable I/O Timing Characteristics for more information.