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PI7C9X7954
PCI Express Quad UART
Datasheet
Page 11 of 70
May 2013 – Revision 1.4
Pericom Semiconductor
4. PIN ASSIGNMENT
4.1. PIN LIST of 128-PIN LQFP
PIN
NAME
PIN
NAME
PIN
NAME
PIN
NAME
1
VDDR
33
VDDC
65
DRIVER_SEL3[0]
97
NC
2
VDDR
34
VDDCAUX
66
DRIVER_SEL3[1]
98
VDDC
3
VSS
35
VSS
67
DRIVER_SEL3[2]
99
VDDC
4
VSS
36
PERST_L
68
DRIVER_SEL3[3]
100
VSS
5
SCAN_EN
37
TEST
69
VDDC
101
VSS
6
XTLI
38
GPIO[0]/DEQ[1]
70
VSS
102
NC
7
XTLO
39
GPIO[1]/DEQ[2]
71
SOUT[0]
103
NC
8
SR_CLK_O
40
VDDR
72
RTS[0]/EEPROM_BYPASS
104
NC
9
SR_DI
41
VDDR
73
DTR[0]
105
NC
10
SR_DO
42
VSS
74
SIN[0]
106
JTAG_TDI
11
SR_CS
43
GPIO[2]/DEQ[3]
75
CTS[0]
107
JTAG_TMS
12
VDDC
44
GPIO[3]/TXTERMADJ[0]
76
DSR[0]
108
JTAG_TCK
13
VSS
45
GPIO[4]/TXTERMADJ[1]
77
RI[0]
109
JTAG_TDO
14
WAKEUP_L
46
GPIO[5]/RXTERMADJ[0]
78
DCD[0]
110
JTAG_TRST_L
15
VSS
47
GPIO[6]/RXTERMADJ[1]
79
SOUT[1]
111
NC
16
CLKINP
48
GPIO[7]/SR_ORG
80
RTS[1]
112
NC
17
VDDA
49
DRIVER_SEL0[0]/HI_DRV
81
DTR[1]
113
NC
18
CLKINN
50
DRIVER_SEL0[1]
82
SIN[1]
114
NC
19
VSS
51
DRIVER_SEL0[2]/LO_DRV
83
CTS[1]
115
VDDR
20
VDDC
52
DRIVER_SEL0[3]/DTX[0]
84
DSR[1]
116
VDDR
21
VTT
53
VDDC
85
RI[1]
117
VSS
22
TXN
54
VSS
86
DCD[1]
118
VSS
23
TXP
55
DRIVER_SEL1[0]/DTX[1]
87
SOUT[2]
119
SOUT[3]
24
VSS
56
DRIVER_SEL1[1]/DTX[2]
88
RTS[2]
120
RTS[3]
25
VDDCAUX
57
DRIVER_SEL1[2]/DTX[3]
89
DTR[2]
121
DTR[3]
26
RXP
58
DRIVER_SEL1[3]/DEQ[0]
90
SIN[2]
122
SIN[3]
27
VSS
59
DRIVER_SEL2[0]
91
CTS[2]
123
CTS[3]
28
RXN
60
DRIVER_SEL2[1]
92
DSR[2]
124
DSR[3]
29
RREF
61
DRIVER_SEL2[2]
93
RI[2]
125
RI[3]
30
VDDA
62
DRIVER_SEL2[3]
94
DCD[2]
126
DCD[3]
31
VSS
63
VDDR
95
VDDR
127
VDDC
32
VDDA
64
VSS
96
VSS
128
VDDC
Table 4-1 Pin-List of 128-Pin LQFP
13-0093