本文主要是介绍CoaXPress 2.0 FPGA 4 Channel Host and Device FMC Card User Manual，希望对大家解决编程问题提供一定的参考价值，需要的开发者们随着小编来一起学习吧！
Hello-FPGA CoaXPress 2.0 FMC Card User Manual 4
1 CoaXPress 简介 4
2 CoaXPress 4R FMC 5
2.1 硬件特性 5
2.2 框图说明 7
2.3 电源监测 8
3 CoaXPress 4T FMC 9
3.1 硬件特性 9
3.2 框图说明 10
4 FMC PIN定义 11
Annex A：参考资料 22
图 1‑1 CXP链接结构 5
图 2‑1 Hello-FPGA 4R FMC Card Simple Diagram 6
图 2‑2 Hello-FPGA 4R FMC Card 7
图 2‑3 CoaXPress 4R FMC detailed diagram 8
图 2‑4 channel 0电源监测电路 9
图 3‑1 Hello-FPGA 4T FMC Card Simple Diagram 10
图 3‑2 Hello-FPGA 4T FMC Card 10
图 3‑3 CoaXPress 4R FMC detailed diagram 11
图 4‑1 HPC FMC pins 12
Hello-FPGA CoaXPress 2.0 FMC Card User Manual
CoaXPress 简介
CoaXPress (简称CXP)是指一种采用同轴线缆进行互联的相机数据传输标准，主要用于替代之前的Camera Link协议，常见于科学相机、工业相机、医学图像、航空防务等场景。Camera Link 由于线缆的形式、传输速度等原因，已经不再适用于不断增长的数据带宽需求。
CXP是一个非对称的高速点对点串行传输协议，主要用于传输视频和静态图像，线缆多使用单条或多条同轴电缆。目前2.0标准的最高速度为单条lane 12.5Gbps，单条lane 上除了传输图像数据之外，还可以传输低速控制信号(41.6Mbps)、也可以利用该线缆对相机进行供电，即“Power-over-Coax”，单条线缆最长可达100m。
- 单条同轴线缆最高12.5Gbps的线速率，可以使用单条或者多条线缆，比如4条线缆可以最高提供50Gbps的数据速率
- 较长的线缆长度，比如3.125 Gbps 速率下线长可以到100m，12.5Gbps速率下可以到35m
- 数据传输具备实时和低延迟的特性，且延迟是固定的
- 精准实时的触发特性，支持通过同轴线缆发送触发，无需额外的通讯线缆
- 可以获得灵活可靠的性能，通过使用标准的同轴线缆，比如RG59 和 RG6规格，推荐使用RG6
- 易于集成的特性，图像、控制通讯、电源可以使用同一条线缆，且线缆价格便宜
CXP是一种点对点可扩展接口, 设备和HOST之间的物理介质为75Ω 同轴电缆。每一个CXP接口都包含1个MASTER连接和若干可选的扩展SLAVE连接，每一个连接都需要1条同轴线缆，通常设备会对这些连接进行编号，MASTER固定为0，SLAVE扩展接口依次递增。
每一个connection都包含如下功能
- 高速串行数据(通常为Device到 Host downconnection), 最高 12.5 Gbps.
- 低速串行数据(通常为Host 到Device upconnection), 最高 41.6˙ Mbps .
- 供电功能Power (Host 到 Device), 最高13W.
CoaXPress 4R FMC
为了评估IP功能，快速实现应用，Hello-FPGA开发了4通道CoaXPress 收发模块，其中收模块定义如下，配合Hello-FPGA的CoaXPress Host IP可以实现自定义相机Grabber采集、处理应用：
硬件特性
▪ 最高支持4 CoaXPress links
▪ 支持POE Power over CoaXPress功能，用户可选外部供电或者使用板上12V电源
▪ 4 x Micro BNC 连接器
▪ HPC连接器 – High Pin count connector，VITA 57.1 compliant
▪ 尺寸63mm x 84mm, 单槽 FMC
▪ 最高支持速率 12.5Gpbs，支持CoaXPress 2.0协议标称所有速率，使用高速PCB板材
▪ - 40°C to 85°C 工作温度 (industrial grade)
▪ 板载2Kb EEPROM，可以用于写入用户特定信息
▪ 板载4路power 功率监测电路，用户可以实时监测供电情况
图 2‑1 Hello-FPGA 4R FMC Card Simple Diagram
框图说明
图 2‑3 CoaXPress 4R FMC detailed diagram
- HPC FMC连接器，使用FMC高密度连接器，符合VITA 57.1标准；
- Equalizer/Driver均衡器与驱动器，接收来自相机的高速downlink信号，发送来组FMC IO的低速控制信号；
- LED，每个通道配置1个双色LED，可以通过FMC IO实现R,G颜色任意组合；
- EEPROM，使用IIC接口的MT24C02 EEPROM，256Bytes容量，可以用于存储用户数据；
- 24V DC Power, 24V DC电源电路，可以接受来自FMC的12V或者来自外部电源的12V供电电源，为power on cable功能提供DC电源，理论CXP每通道提供最大13W输出功率；
- Power monitor，每路CoaXPress提供1路电流、电压监测电路，当电流超过门限后，会通过alert 端口向外发出警告；
- MicroBNC, 根据CoaXPress标准，子板使用MircroBNC连接器连接Device设备；
电源监测
使用4路PAC1720进行电源监测，4路IIC设备地址分别为0x48.0x49.0x5a,0x5b，分别对应channel 0-3。
PAC1720功能说明：
- PoE电流监测,通过SENSE1+和SENSE1-引脚两端的外部电阻（图中R44）上的电压间接得到(需结合FSR的设定)；
- PoE电压监测，通过SENSE2+引脚可以获取1/2的PoE电压，从而间接获取PoE电压；
- 过流提醒，用户可以编程限定PoE电压流过的电流，在过流时将ALERT信号拉低，从而触发电源控制系统；
- 通讯地址选择，用户可以通过改变ADDR_SEL引脚对地的电阻值来改变I2C的地址；
备注：具体功能参数设定，请参考PAC1720 datasheet。我们的范例程序会包含电源监测部分示例源代码供测试、参考。
CoaXPress 4T FMC
为了评估IP功能，快速实现应用，Hello-FPGA开发了4通道CoaXPress 收发模块，其中发模块定义如下，配合Hello-FPGA CoaXPress Device IP，可以实现相机、图像模拟源的开发应用：
硬件特性
▪ 最高支持4 CoaXPress links
▪ 4 x Micro BNC 连接器
▪ HPC连接器 – High Pin count connector，VITA 57.1 compliant
▪ 尺寸63mm x 84mm, 单槽 FMC
▪ 最高支持速率 12.5Gpbs，支持CoaXPress 2.0协议标称所有速率，使用高速PCB板材
▪ - 40°C to 85°C 工作温度 (industrial grade)
▪ 板载2Kb EEPROM，可以用于写入用户特定信息
图 3‑1 Hello-FPGA 4T FMC Card Simple Diagram
框图说明
图 3‑3 CoaXPress 4R FMC detailed diagram
- HPC FMC连接器，使用FMC高密度连接器，符合VITA 57.1标准；
- Equalizer/Driver均衡器与驱动器，发送来自FPGA高速收发器的高速downlink信号，接受来组Grabber的低速控制信号；
- LED，每个通道配置1个双色LED，可以通过FMC IO实现R,G颜色任意组合；
- EEPROM，使用IIC接口的MT24C02 EEPROM，256Bytes容量，可以用于存储用户数据；
- MicroBNC, 根据CoaXPress标准，子板使用MircroBNC连接器连接Grabber采集设备；
FMC PIN定义
这里的pin定义适用于Hello-FPGA CoaXPress 4R/4T FMC硬件。
表 4‑1 CoaXPress 4 Channel FMC Pin Map
| # | FMC PIN name | 信号名称 | 描述 |
| A1 | GND | - | Signal GND |
| A2 | DP1_M2C_P | CH1_RXp | CoaXPress channel 1 fast speed link Receive (Positive) Grabber Only |
| A3 | DP1_M2C_N | CH1_RXn | CoaXPress channel 1 fast speed link Receive (Negative) |
| A4 | GND | - | Signal GND |
| A5 | GND | - | Signal GND |
| A6 | DP2_M2C_P | CH2_RXp | CoaXPress channel 2 fast speed link Receive (Positive) Grabber Only |
| A7 | DP2_M2C_N | CH2_RXn | CoaXPress channel 2 fast speed link Receive (Negative) |
| A8 | GND | - | Signal GND |
| A9 | GND | - | Signal GND |
| A10 | DP3_M2C_P | CH3_RXp | CoaXPress channel 3 fast speed link Receive (Positive) Grabber Only |
| A11 | DP3_M2C_N | CH3_RXn | CoaXPress channel 3 fast speed link Receive (Negative) |
| A12 | GND | - | Signal GND |
| A13 | GND | - | Signal GND |
| A14 | DP4_M2C_P | N/C | NC |
| A15 | DP4_M2C_N | N/C | NC |
| A16 | GND | - | Signal GND |
| A17 | GND | - | Signal GND |
| A18 | DP5_M2C_P | N/C | NC |
| A19 | DP5_M2C_N | N/C | NC |
| A20 | GND | - | Signal GND |
| A21 | GND | - | Signal GND |
| A22 | DP1_C2M_P | CH1_TXp | CoaXPress channel 1 fast speed link Transmit (Positive) Device Only |
| A23 | DP1_C2M_N | CH1_TXn | CoaXPress channel 1 fast speed link Transmit (Negative) |
| A24 | GND | - | Signal GND |
| A25 | GND | - | Signal GND |
| A26 | DP2_C2M_P | CH2_TXp | CoaXPress channel 2 fast speed link Transmit (Positive) Device Only |
| A27 | DP2_C2M_N | CH2_TXn | CoaXPress channel 2 fast speed link Transmit (Negative) |
| A28 | GND | - | Signal GND |
| A29 | GND | - | Signal GND |
| A30 | DP3_C2M_P | CH3_TXp | CoaXPress channel 3 fast speed link Transmit (Positive) Device Only |
| A31 | DP3_C2M_N | CH3_TXn | CoaXPress channel 3 fast speed link Transmit (Negative) |
| A32 | GND | - | Signal GND |
| A33 | GND | - | Signal GND |
| A34 | DP4_C2M_P | N/C | NC |
| A35 | DP4_C2M_N | N/C | NC |
| A36 | GND | - | Signal GND |
| A37 | GND | - | Signal GND |
| A38 | DP5_C2M_P | N/C | NC |
| A39 | DP5_C2M_N | N/C | NC |
| A40 | GND | - | Signal GND |
| B1 | CLK_DIR | N/C | NC |
| B2 | GND | - | Signal GND |
| B3 | GND | - | Signal GND |
| B4 | DP9_M2C_P | N/C | NC |
| B5 | DP9_M2C_N | N/C | NC |
| B6 | GND | - | Signal GND |
| B7 | GND | - | Signal GND |
| B8 | DP8_M2C_P | N/C | NC |
| B9 | DP8_M2C_N | N/C | NC |
| B10 | GND | - | Signal GND |
| B11 | GND | - | Signal GND |
| B12 | DP7_M2C_P | N/C | NC |
| B13 | DP7_M2C_N | N/C | NC |
| B14 | GND | - | Signal GND |
| B15 | GND | - | Signal GND |
| B16 | DP6_M2C_P | N/C | NC |
| B17 | DP6_M2C_N | N/C | NC |
| B18 | GND | - | Signal GND |
| B19 | GND | - | Signal GND |
| B20 | GBTCLK1_M2C_P | GND | Pulled to GND |
| B21 | GBTCLK1_M2C_N | VADJ | Adjustable voltage for I/O signals to FPGA |
| B22 | GND | - | Signal GND |
| B23 | GND | - | Signal GND |
| B24 | DP9_C2M_P | N/C | NC |
| B25 | DP9_C2M_N | N/C | NC |
| B26 | GND | - | Signal GND |
| B27 | GND | - | Signal GND |
| B28 | DP8_C2M_P | N/C | NC |
| B29 | DP8_C2M_N | N/C | NC |
| B30 | GND | - | Signal GND |
| B31 | GND | - | Signal GND |
| B32 | DP7_C2M_P | N/C | NC |
| B33 | DP7_C2M_N | N/C | NC |
| B34 | GND | - | Signal GND |
| B35 | GND | - | Signal GND |
| B36 | DP6_C2M_P | N/C | NC |
| B37 | DP6_C2M_N | N/C | NC |
| B38 | GND | - | Signal GND |
| B39 | GND | - | Signal GND |
| B40 | RES0 | N/C | NC |
| C1 | GND | - | Signal GND |
| C2 | DP0_C2M_P | CH0_TXp | CoaXPress channel 0 fast speed link Transmit (Positive) Device Only |
| C3 | DP0_C2M_N | CH0_TXn | CoaXPress channel 0 fast speed link Transmit (Negative) |
| C4 | GND | - | Signal GND |
| C5 | GND | - | Signal GND |
| C6 | DP0_M2C_P | CH0_RXp | CoaXPress channel 0 fast speed link Receive (Positive) Grabber Only |
| C7 | DP0_M2C_N | CH0_RXn | CoaXPress channel 0 fast speed link Receive (Negative) |
| C8 | GND | - | Signal GND |
| C9 | GND | - | Signal GND |
| C10 | LA06_P | N/C | NC |
| C11 | LA06_N | N/C | NC |
| C12 | GND | - | Signal GND |
| C13 | GND | - | Signal GND |
| C14 | LA10_P | N/C | NC |
| C15 | LA10_N | N/C | NC |
| C16 | GND | - | Signal GND |
| C17 | GND | - | Signal GND |
| C18 | LA14_P | CH3_LED0 | Channel 3 Green indicator LED (Active high) |
| C19 | LA14_N | CH3_LED1 | Channel 3 Red indicator LED (Active high) |
| C20 | GND | - | Signal GND |
| C21 | GND | - | Signal GND |
| C22 | LA18_P_CC | CH0_ALERT | Channel 0 PoCXP alert indicator(Active high) |
| C23 | LA18_N_CC | N/C | NC |
| C24 | GND | - | Signal GND |
| C25 | GND | - | Signal GND |
| C26 | LA27_P | N/C | NC |
| C27 | LA27_N | N/C | NC |
| C28 | GND | - | Signal GND |
| C29 | GND | - | Signal GND |
| C30 | SCL | SCL | IIC clock Connected to EEPROM and PoCXP power monitor ADCs |
| C31 | SDA | SDA | IIC data Connected to EEPROM and PoCXP power monitor ADCs |
| C32 | GND | - | Signal GND |
| C33 | GND | - | Signal GND |
| C34 | GA0 | N/C | NC |
| C35 | 12P0V | 12V | 12V power supply |
| C36 | GND | - | Signal GND |
| C37 | 12P0V | 12V | 12V power supply |
| C38 | GND | - | Signal GND |
| C39 | 3P3V | 3.3V | 3.3V Power supply |
| C40 | GND | - | Signal GND |
| D1 | PG_C2M | N/C | NC |
| D2 | GND | - | Signal GND |
| D3 | GND | - | Signal GND |
| D4 | GBTCLK0_M2C_P | CLK_125M_P | 125MHz Reference clock (Positive) ±25ppm / -40℃ to +85℃ |
| D5 | GBTCLK0_M2C_N | CLK_125M_N | 125MHz Reference clock (Negative) |
| D6 | GND | - | Signal GND |
| D7 | GND | - | Signal GND |
| D8 | LA01_P_CC | CH2_LF | CoaXPress channel 2 low speed link TX/RX (Rx for Device, TX for Grabber) |
| D9 | LA01_N_CC | CH1_LF | CoaXPress channel 1 low speed link TX/RX(Rx for Device, TX for Grabber) |
| D10 | GND | - | Signal GND |
| D11 | LA05_P | N/C | NC |
| D12 | LA05_N | N/C | NC |
| D13 | GND | - | Signal GND |
| D14 | LA09_P | N/C | NC |
| D15 | LA09_N | N/C | NC |
| D16 | GND | - | Signal GND |
| D17 | LA13_P | CH2_LED0 | Channel 2 Green indicator LED (Active high) |
| D18 | LA13_N | CH2_LED1 | Channel 2 Red indicator LED (Active high) |
| D19 | GND | - | Signal GND |
| D20 | LA17_P_CC | N/C | NC |
| D21 | LA17_N_CC | N/C | NC |
| D22 | GND | - | Signal GND |
| D23 | LA23_P | N/C | NC |
| D24 | LA23_N | N/C | NC |
| D25 | GND | - | Signal GND |
| D26 | LA26_P | N/C | NC |
| D27 | LA26_N | N/C | NC |
| D28 | GND | - | Signal GND |
| D29 | TCK | N/C | NC |
| D30 | TDI | TD | JTAG Loopback |
| D31 | TDO | TD | JTAG Loopback |
| D32 | 3P3VAUX | 3.3V_AUX | Auxiliary 3.3V |
| D33 | TMS | N/C | NC |
| D34 | TRST_L | N/C | NC |
| D35 | GA1 | N/C | NC |
| D36 | 3P3V | 3.3V | 3.3V Power supply |
| D37 | GND | - | Signal GND |
| D38 | 3P3V | 3.3V | 3.3V Power supply |
| D39 | GND | - | Signal GND |
| D40 | 3P3V | 3.3V | 3.3V Power supply |
| E1 | GND | - | Signal GND |
| E2 | HA01_P_CC | N/C | NC |
| E3 | HA01_N_CC | N/C | NC |
| E4 | GND | - | Signal GND |
| E5 | GND | - | Signal GND |
| E6 | HA05_P | N/C | NC |
| E7 | HA05_N | N/C | NC |
| E8 | GND | - | Signal GND |
| E9 | HA09_P | N/C | NC |
| E10 | HA09_N | N/C | NC |
| E11 | GND | - | Signal GND |
| E12 | HA13_P | N/C | NC |
| E13 | HA13_N | N/C | NC |
| E14 | GND | - | Signal GND |
| E15 | HA16_P | N/C | NC |
| E16 | HA16_N | N/C | NC |
| E17 | GND | - | Signal GND |
| E18 | HA20_P | N/C | NC |
| E19 | HA20_N | N/C | NC |
| E20 | GND | - | Signal GND |
| E21 | HB03_P | N/C | NC |
| E22 | HB03_N | N/C | NC |
| E23 | GND | - | Signal GND |
| E24 | HB05_P | N/C | NC |
| E25 | HB05_N | N/C | NC |
| E26 | GND | - | Signal GND |
| E27 | HB09_P | N/C | NC |
| E28 | HB09_N | N/C | NC |
| E29 | GND | - | Signal GND |
| E30 | HB13_P | N/C | NC |
| E31 | HB13_N | N/C | NC |
| E32 | GND | - | Signal GND |
| E33 | HB19_P | N/C | NC |
| E34 | HB19_N | N/C | NC |
| E35 | GND | - | Signal GND |
| E36 | HB21_P | N/C | NC |
| E37 | HB21_N | N/C | NC |
| E38 | GND | - | Signal GND |
| E39 | VADJ | VADJ | Adjustable voltage for I/O signals to FPGA |
| E40 | GND | - | Signal GND |
| F1 | PG_M2C | 3.3V | Pulled to 3.3V |
| F2 | GND | - | Signal GND |
| F3 | GND | - | Signal GND |
| F4 | HA00_P_CC | N/C | NC |
| F5 | HA00_N_CC | N/C | NC |
| F6 | GND | - | Signal GND |
| F7 | HA04_P | N/C | NC |
| F8 | HA04_N | N/C | NC |
| F9 | GND | - | Signal GND |
| F10 | HA08_P | N/C | NC |
| F11 | HA08_N | N/C | NC |
| F12 | GND | - | Signal GND |
| F13 | HA12_P | N/C | NC |
| F14 | HA12_N | N/C | NC |
| F15 | GND | - | Signal GND |
| F16 | HA15_P | N/C | NC |
| F17 | HA15_N | N/C | NC |
| F18 | GND | - | Signal GND |
| F19 | HA19_P | N/C | NC |
| F20 | HA19_N | N/C | NC |
| F21 | GND | - | Signal GND |
| F22 | HB02_P | N/C | NC |
| F23 | HB02_N | N/C | NC |
| F24 | GND | - | Signal GND |
| F25 | HB04_P | N/C | NC |
| F26 | HB04_N | N/C | NC |
| F27 | GND | - | Signal GND |
| F28 | HB08_P | N/C | NC |
| F29 | HB08_N | N/C | NC |
| F30 | GND | - | Signal GND |
| F31 | HB12_P | N/C | NC |
| F32 | HB12_N | N/C | NC |
| F33 | GND | - | Signal GND |
| F34 | HB16_P | N/C | NC |
| F35 | HB16_N | N/C | NC |
| F36 | GND | - | Signal GND |
| F37 | HB20_P | N/C | NC |
| F38 | HB20_N | N/C | NC |
| F39 | GND | - | Signal GND |
| F40 | VADJ | VADJ | Adjustable voltage for I/O signals to FPGA |
| G1 | GND | - | Signal GND |
| G2 | CLK1_M2C_P | N/C | NC |
| G3 | CLK1_M2C_N | N/C | NC |
| G4 | GND | - | Signal GND |
| G5 | GND | - | Signal GND |
| G6 | LA00_P_CC | CH0_LF | CoaXPress channel 0 low speed link TX/RX |
| G7 | LA00_N_CC | N/C | NC |
| G8 | GND | - | Signal GND |
| G9 | LA03_P | N/C | NC |
| G10 | LA03_N | N/C | NC |
| G11 | GND | - | Signal GND |
| G12 | LA08_P | N/C | NC |
| G13 | LA08_N | N/C | NC |
| G14 | GND | - | Signal GND |
| G15 | LA12_P | CH1_LED0 | Channel 1 Green indicator LED (Active high) |
| G16 | LA12_N | CH1_LED1 | Channel 1 Red indicator LED (Active high) |
| G17 | GND | - | Signal GND |
| G18 | LA16_P | N/C | NC |
| G19 | LA16_N | N/C | NC |
| G20 | GND | - | Signal GND |
| G21 | LA20_P | N/C | NC |
| G22 | LA20_N | CH3_ALERT | Channel 3 PoCXP alert indicator (Active high) |
| G23 | GND | - | Signal GND |
| G24 | LA22_P | CH3_ON | Channel 3 PoCXP enable (Active high) |
| G25 | LA22_N | CH2_ON | Channel 2 PoCXP enable (Active high) |
| G26 | GND | - | Signal GND |
| G27 | LA25_P | N/C | NC |
| G28 | LA25_N | N/C | NC |
| G29 | GND | - | Signal GND |
| G30 | LA29_P | N/C | NC |
| G31 | LA29_N | N/C | NC |
| G32 | GND | - | Signal GND |
| G33 | LA31_P | N/C | NC |
| G34 | LA31_N | N/C | NC |
| G35 | GND | - | Signal GND |
| G36 | LA33_P | N/C | NC |
| G37 | LA33_N | N/C | NC |
| G38 | GND | - | Signal GND |
| G39 | VADJ | VADJ | Adjustable voltage for I/O signals to FPGA |
| G40 | GND | - | Signal GND |
| H1 | VREF_A_M2C | N/C | NC |
| H2 | PRSNT_M2C_L | GND | Pulled Low |
| H3 | GND | - | Signal GND |
| H4 | CLK0_M2C_P | GND | Pulled to GND |
| H5 | CLK0_M2C_N | VADJ | Adjustable voltage for I/O signals to FPGA |
| H6 | GND | - | Signal GND |
| H7 | LA02_P | N/C | NC |
| H8 | LA02_N | CH3_LF | CoaXPress channel 3 low speed link TX/RX |
| H9 | GND | - | Signal GND |
| H10 | LA04_P | N/C | NC |
| H11 | LA04_N | N/C | NC |
| H12 | GND | - | Signal GND |
| H13 | LA07_P | N/C | NC |
| H14 | LA07_N | N/C | NC |
| H15 | GND | - | Signal GND |
| H16 | LA11_P | CH0_LED0 | Channel 0 Green indicator LED (Active high) |
| H17 | LA11_N | CH0_LED1 | Channel 0 Red indicator LED (Active high) |
| H18 | GND | - | Signal GND |
| H19 | LA15_P | N/C | NC |
| H20 | LA15_N | N/C | NC |
| H21 | GND | - | Signal GND |
| H22 | LA19_P | CH2_ALERT | Channel 2 PoCXP alert indicator (Active high) |
| H23 | LA19_N | CH1_ALERT | Channel 1 PoCXP alert indicator (Active high) |
| H24 | GND | - | Signal GND |
| H25 | LA21_P | CH1_ON | Channel 1 PoCXP enable (Active high) |
| H26 | LA21_N | CH0_ON | Channel 0 PoCXP enable (Active high) |
| H27 | GND | - | Signal GND |
| H28 | LA24_P | N/C | NC |
| H29 | LA24_N | N/C | NC |
| H30 | GND | - | Signal GND |
| H31 | LA28_P | N/C | NC |
| H32 | LA28_N | N/C | NC |
| H33 | GND | - | Signal GND |
| H34 | LA30_P | N/C | NC |
| H35 | LA30_N | N/C | NC |
| H36 | GND | - | Signal GND |
| H37 | LA32_P | N/C | NC |
| H38 | LA32_N | N/C | NC |
| H39 | GND | - | Signal GND |
| H40 | VADJ | VADJ | Adjustable voltage for I/O signals to FPGA |
| J1 | GND | - | Signal GND |
| J2 | CLK3_BIDIR_P | N/C | NC |
| J3 | CLK3_BIDIR _N | N/C | NC |
| J4 | GND | - | Signal GND |
| J5 | GND | - | Signal GND |
| J6 | HA03_P | N/C | NC |
| J7 | HA03_N | N/C | NC |
| J8 | GND | - | Signal GND |
| J9 | HA07_P | N/C | NC |
| J10 | HA07_N | N/C | NC |
| J11 | GND | - | Signal GND |
| J12 | HA11_P | N/C | NC |
| J13 | HA11_N | N/C | NC |
| J14 | GND | - | Signal GND |
| J15 | HA14_P | N/C | NC |
| J16 | HA14_N | N/C | NC |
| J17 | GND | - | Signal GND |
| J18 | HA18_P | N/C | NC |
| J19 | HA18_N | N/C | NC |
| J20 | GND | - | Signal GND |
| J21 | HA22_P | N/C | NC |
| J22 | HA22_N | N/C | NC |
| J23 | GND | - | Signal GND |
| J24 | HB01_P | N/C | NC |
| J25 | HB01_N | N/C | NC |
| J26 | GND | - | Signal GND |
| J27 | HB07_P | N/C | NC |
| J28 | HB07_N | N/C | NC |
| J29 | GND | - | Signal GND |
| J30 | HB11_P | N/C | NC |
| J31 | HB11_N | N/C | NC |
| J32 | GND | - | Signal GND |
| J33 | HB15_P | N/C | NC |
| J34 | HB15_N | N/C | NC |
| J35 | GND | - | Signal GND |
| J36 | HB18_P | N/C | NC |
| J37 | HB18_N | N/C | NC |
| J38 | GND | - | Signal GND |
| J39 | VIO_B_M2C | VADJ | Adjustable voltage for I/O signals to FPGA |
| J40 | GND | - | Signal GND |
| K1 | VREF_B_M2C | N/C | NC |
| K2 | GND | - | Signal GND |
| K3 | GND | - | Signal GND |
| K4 | CLK2_BIDIR _P | GND | Pulled to GND |
| K5 | CLK2_BIDIR _N | VADJ | Adjustable voltage for I/O signals to FPGA |
| K6 | GND | - | Signal GND |
| K7 | HA02_P | N/C | NC |
| K8 | HA02_N | N/C | NC |
| K9 | GND | - | Signal GND |
| K10 | HA06_P | N/C | NC |
| K11 | HA06_N | N/C | NC |
| K12 | GND | - | Signal GND |
| K13 | HA10_P | N/C | NC |
| K14 | HA10_N | N/C | NC |
| K15 | GND | - | Signal GND |
| K16 | HA17_P_CC | N/C | NC |
| K17 | HA17_N_CC | N/C | NC |
| K18 | GND | - | Signal GND |
| K19 | HA21_P | N/C | NC |
| K20 | HA21_N | N/C | NC |
| K21 | GND | - | Signal GND |
| K22 | HA23_P | N/C | NC |
| K23 | HA23_N | N/C | NC |
| K24 | GND | - | Signal GND |
| K25 | HB00_P_CC | N/C | NC |
| K26 | HB00_N_CC | N/C | NC |
| K27 | GND | - | Signal GND |
| K28 | HB06_P_CC | N/C | NC |
| K29 | HB06_N_CC | N/C | NC |
| K30 | GND | - | Signal GND |
| K31 | HB10_P | N/C | NC |
| K32 | HB10_N | N/C | NC |
| K33 | GND | - | Signal GND |
| K34 | HB14_P | N/C | NC |
| K35 | HB14_N | N/C | NC |
| K36 | GND | - | Signal GND |
| K37 | HB17_P_CC | N/C | NC |
| K38 | HB17_N_CC | N/C | NC |
| K39 | GND | - | Signal GND |
| K40 | VIO_B_M2C | VADJ | Adjustable voltage for I/O signals to FPGA |
1、CoaXPess JIIA CXP-001-2021
2、https://www.cnblogs.com/xingce/category/2165251.html
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