Visible to Intel only — GUID: kqk1657772190954
Ixiasoft
GPIO-B Single-Ended I/O Standards Specifications
GPIO-B Single-Ended SSTL, HSTL, HSUL, POD and LVSTL I/O Reference Voltage Specifications
GPIO-B Single-Ended SSTL, HSTL, HSUL, and POD I/O Standards Signal Specifications
GPIO-B Single-Ended LVSTL I/O Standards Specifications
GPIO-B Differential SSTL, HSTL, and HSUL I/O Standards Specifications
GPIO-B Differential POD I/O Standards Specifications
GPIO-B Differential LVSTL I/O Standards Specifications
GPIO-B 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
Visible to Intel only — GUID: kqk1657772190954
Ixiasoft
R-Tile Transceiver Reference Clock Specifications
Symbol/Description | Condition | All Transceiver Speed Grades | Unit | ||
---|---|---|---|---|---|
Min | Typ | Max | |||
Supported I/O standards | PCIe* | HCSL | — | ||
CXL | HCSL | — | |||
Refclk frequency for devices that support 32.0 GT/s83 | PCIe* | 99.99 | 100 | 100.01 | MHz |
CXL | 99.99 | 100 | 100.01 | MHz | |
Rising edge rate84 | PCIe* | 0.6 | — | 4 | V/ns |
CXL | 0.6 | — | 4 | V/ns | |
Falling edge rate84 | PCIe* | 0.6 | — | 4 | V/ns |
CXL | 0.6 | — | 4 | V/ns | |
Duty cycle | PCIe* | 40 | — | 60 | % |
CXL | 40 | — | 60 | % | |
Absolute VMAX | PCIe* | — | — | 1.15 | V |
CXL | — | — | 1.15 | V | |
Absolute VMIN | PCIe* | — | — | –0.3 | V |
CXL | — | — | –0.3 | V | |
Peak-to-peak differential input voltage | PCIe* | 300 | — | 1,450 | mV |
CXL | 300 | — | 1,450 | mV | |
Vcross | PCIe* | 250 | — | 550 | mV |
CXL | 250 | — | 550 | mV | |
Cycle-to-cycle jitter (TCCJITTER)85 | PCIe* | — | — | 150 | ps |
CXL | — | — | 150 | ps | |
Spread-spectrum modulating clock frequency | PCIe* | 30 | — | 33 | kHz |
CXL | 30 | — | 33 | kHz | |
SSC deviation for devices that support 32.0 GT/s and SRIS when operating in SRIS mode at all speeds | PCIe* | –0.3 | — | 0 | % |
CXL | –0.3 | — | 0 | % | |
TSSC-MAX-PERIOD-SLEW | Max SSC df/dt for PCIe* | — | — | 1,250 | ppm/µs |
Max SSC df/dt for CXL | — | — | 1,250 | ppm/µs |
Related Information
83 This number is with spread-spectrum clocking (SSC) turned off. For systems with spread spectrum clocking, follow the specifications in Section 8.6 Refclk Specifications of PCI Express* Base Specification Revision 5.0 Version 1.0.
84 Measured from –150 mV to +150 mV on the differential waveform. The 300 mV measurement window is centered on the differential zero crossing.
85 For common reference clock architecture, you must meet the jitter limit specified in Section 8.6 Refclk Specifications of PCI Express* Base Specification Revision 5.0 Version 1.0.