Am79C874 3
初步的
连接 图解
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Am79C874
netphy-1lp
PCSBP
ISODEF
ISO
TGND1
REFCLK
CLK25
烧_在
RST
PWRDN
PLLVCC
PLLGND
OGND1
OVDD1
phyad[4]/10rxd-
phyad[3]/10rxd+
phyad[2]/10txd++
phyad[1]/10txd+
phyad[0]/10txd-
gpio[0]/10txd--/7wire
gpio[1]/tp125
EQVCC
ADPVCC
leddpx/ledtxb
ledspd[1]/ledtxa/clk25en
ANEGA
tech_sel[0]
tech_sel[1]
tech_sel[2]
CRVVCC
CRVGND
OGND2
OVDD2
ledlnk/led_10lnk/led_pcsbp_sd
ledtx/ledbtb
ledrx/ledsel
ledcol/scram_en
ledspd[0]/ledbta/fx_sel
INTR
crs/10crs
col/10col
MDIO
MDC
RXD[3]
RXD[2]
RXD[1]
rxd[0]/10rxd
VDD1
DGND1
rx_dv
rx_clk/10rxclk
rx_er/rxd[4]
tx_er/txd[4]
tx_clk/10txclk/pcsbp_clk
tx_en/10txen
DGND2
VDD2
txd[0]/10txd
TXD[1]
TXD[2]
TXD[3]
TVCC2
TVCC1
tx-
TX+
TGND2
XTL+
xtl-
REFVCC
IBREF
REFGND
fxt-
FXT+
TEST2
test1/fxr+
test0/fxr-
EQGND
RX+
rx-
test3/sdi+
RPTR
22235i-2
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