
RTL8305SB 
2002/04/09 
6
Rev.1.0
' I ' stands for inputs; 'O' stands for outputs; 'A' stands for analog; 'D' stands for digital  
NAME 
PIN No. 
1 
2 
3 
4 
5 
6 
7 
8 
9 
10 
11 
12 
13 
14 
15 
16 
17 
18 
19 
20 
21 
22 
23 
24 
25 
26 
27 
28 
29 
30 
31 
32 
33 
34 
35 
36 
37 
38 
39 
40 
41 
42 
43 
44 
45 
46 
47 
48 
49 
50 
51 
52 
53 
54 
55 
56 
57 
58 
59 
60 
61 
62 
63 
64 
TYPE 
AGND 
AGND 
AO 
AO 
AVDD 
AVDD 
AO 
AO 
AGND 
AGND 
AI 
AI 
AVDD 
AVDD 
AI 
AI 
AGND 
AGND 
AO 
AO 
AVDD 
AVDD 
AO 
AO 
AGND 
AGND 
AI 
AI 
AVDD 
AVDD 
AI 
AI 
AGND 
AGND 
AO 
AO 
AVDD 
DVDD 
DGND 
I 
O 
O 
DVDD 
I 
O 
I 
I 
I 
I 
DGND 
I/O 
O 
DVDD 
I/O 
I/O 
I/O 
I/O 
I/O 
I/O 
I 
I 
DVDD 
I 
DGND 
NAME 
PIN No. 
65 
66 
67 
68 
69 
70 
71 
72 
73 
74 
75 
76 
77 
78 
79 
80 
81 
82 
83 
84 
85 
86 
87 
88 
89 
90 
91 
92 
93 
94 
95 
96 
97 
98 
99 
100 
101 
102 
103 
104 
105 
106 
107 
108 
109 
110 
111 
112 
113 
114 
115 
116 
117 
118 
119 
120 
121 
122 
123 
124 
125 
126 
127 
128 
TYPE 
DGND 
I 
I 
I/O 
I 
DVDD 
O 
I/O 
I 
I/O 
I/O 
I 
I 
I 
DGND 
I 
I 
I 
I 
I 
I 
I 
DVDD 
I 
I 
I 
I/O 
I/O 
I/O 
DGND 
I/O 
I/O 
I 
I 
I/O 
DVDD 
I/O 
DGND 
I/O 
I/O 
I/O 
DVDD 
I/O 
I/O 
I/O 
I/O 
I/O 
GND 
I/O 
DVDD 
I/O 
I/O 
I/O 
I/O 
I/O 
I/O 
O 
AGND 
AGND 
A 
AVDD 
AVDD 
AI 
AI 
 RGND 
 TGND 
 TXOP[0] 
 TXON[0] 
 TVDD 
 TVDD 
 TXON[1] 
 TXOP[1] 
 TGND 
 RGND 
 RXIP[1] 
 RXIN[1] 
 RVDD 
 RVDD 
 RXIN[2] 
 RXIP[2] 
 RGND 
 TGND 
 TXOP[2] 
 TXON[2] 
 TVDD 
 TVDD 
 TXON[3] 
 TXOP[3] 
 TGND 
 RGND 
 RXIP[3] 
 RXIN[3] 
 RVDD 
 RVDD 
 RXIN[4] 
 RXIP[4] 
 RGND 
 TGND 
 TXOP[4] 
 TXON[4] 
 TVDD 
 MVDD 
 GND 
 RESET# 
 RTT3 
 RTT2 
 VDD 
 X1 
 X2 
 P4FLCTRL/P4ENFC 
 P4SPDSTA/P4SPD100 
 P4DUPSTA/P4FULL 
 P4LNKSTA# 
 MGND 
 MTXC/PRXC 
 MTXEN/PRXDV 
 VDD 
 MTXD[0]/PRXD[0]/LEDMODE[0] 
 MTXD[1]/PRXD[1]/LEDMODE[1] 
 MTXD[2]/PRXD[2]/P4IRTAG[0] 
 MTXD[3]/PRXD[3]/P4IRTAG[1] 
 MCOL/PCOL 
 MRXC/PTXC 
 MRXDV/PTXEN 
 MRXD[0]/PTXD[0] 
 VDD 
 MRXD[1]/PTXD[1] 
 GND 
 GND 
 MRXD[2]/PTXD[2] 
 MRXD[3]/PTXD[3] 
 SEL_MIIMAC#/DISDSPRI 
 EN_AUTOXOVER 
 VDD 
 CK25MOUT 
 RESERVED1 
 ENEEPROM 
 SCL_MDC 
 SDA_MDIO 
 GXENFC 
 GYENFC 
 ENANEG_BKPRS 
 GND 
 DISBRDCTRL 
 QWEIGHT[0] 
 QWEIGHT[1] 
 DISPORTPRI[0] 
 DISPORTPRI[1] 
 DISPORTPRI[2] 
 DISPORTPRI[3] 
 VDD 
 DISPORTPRI[4] 
 LED_BLNK_TIME 
 EN_RST_BLNK 
 LOOPLED#/DISTAGPRI 
 LED_ADD[0]/DISFCAUTOOFF 
 LED_ADD[1]/DISVLAN 
 GND 
 LED_ADD[2]/SETGROUP 
 LED_ADD[3]/GXMODE 
 P4MODE[1] 
 P4MODE[0] 
 LED_ADD[4]/GYMODE 
 VDD 
 TEST# 
 GND 
 LED_DUP[0]/P4ANEG 
 LED_ACT[0]/GXANEG 
 LED_SPD[0]/GYANEG 
 VDD 
 LED_DUP[1]/GXSPD100 
 LED_ACT[1]/GYSPD100 
 LED_SPD[1]/GXFULL 
 LED_DUP[2]/GYFULL 
 LED_ACT[2]/ENFORWARD 
 GND 
 LED_SPD[2]/BCINDROP 
 VDD 
 LED_DUP[3]/MAX1536 
 LED_ACT[3]/RESERVED2 
 LED_SPD[3],/ENDEFER 
 LED_DUP[4]/48PASS1 
 LED_ACT[4]/DISARP 
 LED_SPD[4]/DISLEAKY 
 VCTRL 
 AGND 
 AGND 
 IBREF 
 RVDD 
 AVDD 
 RXIN[0] 
 RXIP[0]