一、产品概述
基于3U VPX的 Jetson Xavier NX GPU计算主板,是AI 人工智能的低功耗计算平台,是LINUX环境下软件开发等的理想工具,拥有VPX标准连接器和特性的接口。
二、板卡原理框图
三、板卡外扩功能
P0接口
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电源输入 +12V,板卡总功耗60W以内
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P1接口
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1路RS422接口,一路Gigabit Ethernet
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前面板接口
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MICRO USB2.0接口2个;HDMI接口1个;
TYPE-C调试接口一个
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板内外扩
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1路M.2 存储 1TB固态硬盘
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四、核心板技术规格
五、VPX接口引脚定义
P0连接器管脚接口信号定义
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G
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F
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E
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D
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C
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B
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A
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1
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+12V
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+12V
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+12V
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NC
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NC
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NC
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NC
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2
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+12V
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+12V
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+12V
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NC
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NC
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NC
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NC
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3
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NC
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NC
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NC
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NC
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NC
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NC
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NC
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4
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NC
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NC
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GND
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NC
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GND
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SYSRESET#
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NC
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5
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GAP
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GA4
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GND
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3V3_AUX
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GND
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NC
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NC
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6
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GA3
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GA2
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GND
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NC
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GND
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GA1
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GA0
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7
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NC
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GND
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NC
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NC
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GND
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NC
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NC
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8
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GND
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GND
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PWR_BTN
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GND
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GND
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FORCE_RECOVERY*
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GND
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P1连接器管脚接口信号定义
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G
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F
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E
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D
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C
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B
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A
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1
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NC
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GND
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RS422_1_T-
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RS422_1_T+
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GND
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RS422_1_R-
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RS422_1_R+
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2
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GND
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NC
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NC
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GND
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NC
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NC
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GND
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3
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NC
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GND
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NC
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NC
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GND
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NC
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NC
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4
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GND
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NC
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NC
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GND
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NC
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NC
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GND
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5
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NC
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GND
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NC
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NC
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GND
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NC
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NC
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6
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GND
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NC
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NC
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GND
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NC
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NC
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GND
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7
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NC
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GND
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NC
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NC
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GND
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NC
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NC
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8
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GND
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NC
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NC
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GND
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NC
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NC
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GND
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9
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NC
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GND
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NC
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NC
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GND
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NC
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NC
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10
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GND
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NC
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NC
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GND
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NC
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NC
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GND
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11
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NC
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GND
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LAN1_TRD1-
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LAN1_TRD1+
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GND
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LAN1_TRD0-
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LAN1_TRD0+
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12
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GND
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LAN1_TRD3-
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LAN1_TRD3+
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GND
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LAN1_TRD2-
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LAN1_TRD2+
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GND
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13
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NC
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GND
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NC
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NC
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GND
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NC
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NC
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14
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GND
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NC
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NC
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GND
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NC
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NC
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GND
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15
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NC
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GND
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NC
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NC
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GND
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NC
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NC
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16
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GND
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LAN1_Link#
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LAN1_Active#
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GND
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NC
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NC
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GND
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引脚说明:
- ● +12V:电源;
- ● GND:电源地;
- ● 3V3_AUX:辅助3.3V电源;
- ● SYSRESET#:复位信号;
- ● GA0~GA4、GAP:槽位识别信号;
- ● LAN1_TRD0+ ~ LAN1_TRD3+、LAN1_TRD0- ~ LAN1_TRD3-、LAN1_Link#、LAN1_Active#:千兆以太网信号;
- ● NC:悬空。
- ● PWR_BTN:在禁止上电的情况下。短接PWR_BTN和GND板卡执行开机。可通过电阻配置和取消功能
- ● FORCE_RECOVERY*:需要烧录系统的时候,短接 FORCE_RECOVERY*和GND上电开机。可通过电阻配置和取消功能
- ● RS422:RSS422信号可通过焊接芯片和不焊接取消
六、3U VPX板卡结构
● 标准加固3U VPX 4HP结构,含导冷板、锁紧条等。
● 模块尺寸:3U VPX。
● 重量要求:≤500g。
● 颜色要求:本色导电氧化。
● 锁紧条型号: HLK20-115-05-M2.5
● 把手型号:冷板加工
外观图如下:
七.工作环境
● 电源供电:P0引入12V DC单电源供电。
● 功耗:小于等于20W
● 工作温度: -25°-80°
● 结构:导冷结构,4HP |