P ř Ë L I M I N A RŸ
接线图
TVCC2
TVCC1
TX-
TX +
TGND2
XTL +
XTL-
REFVCC
IBREF
REFGND
FXT-
FXT +
TEST2
TEST1/FXR+
TEST0/FXR-
EQGND
RX +
RX-
TEST3/SDI+
RPTR
80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61
PCSBP
ISODEF
ISO
TGND1
REFCLK
CLK25
BURN_IN
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
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
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
Am79C874
NetPHY-1LP
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
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]
22235I-2
Am79C874
3
AMD [ ADVANCED MICRO DEVICES ]
