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文章目录前言一、标准规范二、板卡外形1. 结构细节2. 板卡禁布区间3. PCB封装图三、接口定义前言 项目用到MiniPCIe标准接口，这里介绍硬件接口、结构尺寸、以及对应封装。
miniPCIe封装下载链接
一、标准规范 标准参考《Mini PCI Express™ Card Electromechanical Specification Revision 1.0》。
二、板卡外形 板卡外形尺寸
1. 结构细节2. 板卡禁布区间3. PCB封装图Altium Designer封装
miniPCIe封装下载链接：https://download.csdn.net/download/zhouxiangjun11211/13631384
三、接口定义miniPCIe 接口
Signal Group
Signal
Direction
Description
Power
+3.3V(3 pins)
Primary 3.3V source
Power
+1.5V(3 pins)
Primary 1.5V source
Power
GND(12 pins)
Return current path
PCI Express
PETp0,PETn0,PERp0,PERn0
Input/Output
PCI Express × 1 \times1 ×1data interface:one differential transmit pair and one differential receive pair
PCI Express
REFCLK+,REFCLK-
Input
PCI Express differential reference clock(100MHz)
USB
USB_D+,USB_D-
Input/output
USB serial data interface compliant to USB 2.0 specification
Auxiliary Signals (3.3V Compliant)
PERST#
Input
Functonal reset to the card
Auxiliary Signals (3.3V Compliant)
WAKE#
Output
Open Drain active Low signal
Auxiliary Signals (3.3V Compliant)
SMB_DATA
Input/Output
SMBus data signal compliant to the SMBUS 2.0 specification
Auxiliary Signals (3.3V Compliant)
SMB_DATA
Input
SMBus data signal compliant to the SMBUS 2.0 specification
Communications Specific Signals
LED_WPAN#,LED_WLAN#,LED_WWAN#
Output
These signals are used to allow the Mini PCI Express add-in card to provide status indicators via LED devices that will be provided by the system
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