User guide

ETX CPU Module ETX-945GSE
Chapter 2 Quick Installation Guide 2-6
2.7 SPI Flash Programming Connector (Optional) (CN3)
Pin Signal Pin Signal
1 +3.3V 2 GND
3 SPI_CS#0 4 SPI_CLK
5 SPI_SO 6 SPI_SI
2.8 ETX Connector (X1A)
Pin Signal Pin Signal Pin Signal Pin Signal
1 GND 2 GND 51 VCC 52 VCC
3 PCICLK3 4 PCICLK4 53 PAR 54 SERR#
5 GND 6 GND 55 PERR# 56 NC
7 PCICLK1 8 PCICLK2 57 PCI_PME 58 USB2N
9 REQ3# 10 GNT3# 59 PLOCK# 60 DEVSEL#
11 GNT2# 12 3V 61 TRDY# 62 USB3N
13 REQ2# 14 GNT1# 63 IRDY# 64 STOP#
15 REQ1# 16 3V 65 FRAME# 66 USB2P
17 GNT0# 18 NC 67 GND 68 GND
19 VCC 20 VCC 69 AD16 70 CBE2#
21
DREQ2
/SERIRQ
22 REQ0# 71 AD17 72 USB3P
23 AD0 24 3V 73 AD19 74 AD18
25 AD1 26 AD2 75 AD20 76 USB0N
27 AD4 28 AD3 77 AD22 78 AD21
29 AD6 30 AD5 79 AD23 80 USB1N
31 CBE0# 32 AD7 81 AD24 82 CBE3#
33 AD8 34 AD9 83 VCC 84 VCC
35 GND 36 GND 85 AD25 86 AD26
37 AD10 38 LIN_L 87 AD28 88 USB0P