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1. Overview
2. Getting Started
3. Development Kit Setup
4. Board Test System
5. Development Kit Hardware and Configuration
6. Custom Projects for the Development Kit
7. Document Revision History for the Agilex™ 7 FPGA F-Series (2 × F-Tiles) Development Kit User Guide
A. Development Kit Components
B. Developer Resources
C. Safety and Regulatory Compliance Information
A.1. Board Overview and Components
A.2. FPGA Configuration
A.3. Default Switch and Jumper Settings
A.4. Input and Output Components
A.5. Components and Interfaces
A.6. I2C
A.7. MAX® 10 SPI Bus
A.8. Clock Circuits
A.9. HPS Daughter Card
A.10. System Power
A.11. Power Guidelines
A.12. Power Distribution System
A.13. Power Measurement
A.14. Thermal Limitations and Protection
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Ixiasoft
A.5.4. CXL Interface
The Agilex™ 7 FPGA F-Series (2 × F-Tiles) Development Kit board provides a CXL connector interface for cabling to an Intel® -designed M.2 SSD daughter card supporting M-Keying. This interface connects to four 28 Gbps F-Tile lanes of the Agilex™ 7 FPGA. When connecting the development board to this SSD daughter card, the development board connects four transceiver channels from the F-Tile bank 12C to M2 channels 8-11 (J5) of the M.2 daughter card.
Schematic Signal Name | FPGA Pin Number | I/O Standard | Description |
---|---|---|---|
CXL_TX_P0 | BW49 | True Differential Signaling | CXL Transmit Channel 0 Positive |
CXL_TX_N0 | BY48 | True Differential Signaling | CXL Transmit Channel 0 Negative |
CXL_TX_P1 | BV52 | True Differential Signaling | CXL Transmit Channel 1 Positive |
CXL_TX_N1 | BU51 | True Differential Signaling | CXL Transmit Channel 1 Negative |
CXL_TX_P2 | BR49 | True Differential Signaling | CXL Transmit Channel 2 Positive |
CXL_TX_N2 | BT48 | True Differential Signaling | CXL Transmit Channel 2 Negative |
CXL_TX_P3 | BP52 | True Differential Signaling | CXL Transmit Channel 3 Positive |
CXL_TX_N3 | BN51 | True Differential Signaling | CXL Transmit Channel 3 Negative |
CXL_RX_P0 | CC55 | True Differential Signaling | CXL Receive Channel 0 |
Positive | |||
CXL_RX_N0 | CD54 | True Differential Signaling | CXL Receive Channel 0 Negative |
CXL_RX_P1 | CB52 | True Differential Signaling | CXL Receive Channel 1 |
Positive | |||
CXL_RX_N1 | CA51 | True Differential Signaling | CXL Receive Channel 1 Negative |
CXL_RX_P2 | BW55 | True Differential Signaling | CXL Receive Channel 2 |
Positive | |||
CXL_RX_N2 | BY54 | True Differential Signaling | CXL Receive Channel 2 Negative |
CXL_RX_P3 | BR55 | True Differential Signaling | CXL Receive Channel 3 |
Positive | |||
CXL_RX_N3 | BT54 | True Differential Signaling | CXL Receive Channel 3 Negative |
REFCLK_CXL_EP_P | BC49 | 100 MHz LVPECL | CXL Reference Clock |
Positive, Local board clock | |||
REFCLK_CXL_EP_N | BE49 | 100 MHz LVPECL | CXL Reference Clock |
Negative, Local board clock | |||
REFCLK_CXL_CONN_P | BG49 | 100 MHz LVPECL | CXL Reference Clock |
Positive, Remote board clock | |||
REFCLK_CLK_CONN_N | BF48 | 100 MHz LVPECL | CXL Reference Clock |
Negative, Remote board clock | |||
CXL_PERSTN | D43 | 1.2 V HS LVCMOS | CXL Reset |
CXL_PRSNTx4_N | F50 | 1.2 V HS LVCMOS | CXL Present |