fido2100 3-Port Industrial Ethernet DLR Switch with IEEE1588
Data Sheet
April 10, 2013
Pin Signal Name
116 cpu_data[10]
117 cpu_data[11]
118 cpu_data[12]
119 vcc3io
Type
bidir
bidir
bidir
LQFP Pin Descriptions
cpu host interface, data bit 10
cpu host interface, data bit 11
cpu host interface, data bit 12
power 3.3 V i/o supply voltage
ground i/o ground
120 gndio
121 gndk
122 vcck
ground digital core ground
power 1.8 V digital core supply voltage
123 cpu_data[13]
124 cpu_data[14]
125 cpu_data[15]
126 cpu_cs_n
bidir
bidir
bidir
input
cpu host interface, data bit 13
cpu host interface, data bit 14
cpu host interface, data bit 15
cpu host interface, chip select, active low (internal pull-
up)
127 cpu_rd_n
128 cpu_wr_n
input
input
cpu host interface, read enable, active low (internal
pull-up)
cpu host interface, write enable, active low (internal
pull-up)
29
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