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14
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16
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19
20
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23
24
25
26
27
28
29
30
31
32
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34
35
36
108
107
106
105
104
103
102
101
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95
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73

LCS# (INPUT2)

CID_DATA (INPUT1)

RINGWAKE# (INPUT0)

VDD

OH# (GPIO0)

CID# (GPIO1)

VOICE# (GPIO2)

GPIO3

SPKMUTE (GPIO8)

GPIO14

GND
VDD

M_CTRL

M_CLK

M_TXSIN

M_SCLK

M_RXOUT

M_STROBE

V_STROBE

V_RXOUT

V_SCLK

V_TXSIN

V_CTRL

PME#

GND

XIN

XOUT

VDD

SET3V#

VDD

AGND

MSTROBE

MRXOUT

MSCLK

MTXSIN

MCLKIN

VIO1

VDD

AD23

AD22

AD21

AD20

VDD

AD19

AD18

AD17

AD16

CBE2#

FRAME#

IRDY#

TRDY#

DEVSEL#

STOP#

PERR#

SERR#

VDD

PAR

CBE1#

AD15

AD14

VDD

AD13

AD12

AD11

AD10

VDD

AD9

AD8

CBE0#

VDD

GND

AD7

AD6
AD5
AD4
VDD
AD3
AD2
AD1
AD0
DRESET# (GPOL0)
SLEEPO (GPIO15)
VSTROBE/NC*
VRXOUT/NC*
VSCLK/NC*
VTXSIN/NC*
VCLKIN/NC*
VCTRLSIN/NC*
IASLEEP
AGND
AGND
TELIN/NC*
AGNDV/NC*
TELOUT/NC*
AVDD
SPKOUT
TXA1
TXA2
VREF
VC
MIC_V/NC*
RXA
AGNDM
RESET#
DSPKOUT
AGND
VDD
MCTRLSIN
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
65
66
67
68
69
70
71
72
144
143
142
141
140
139
138
137
136
135
134
133
132
131
130
129
128
127
126
125
124
123
122
121
120
119
118
117
116
115
114
113
112
111
110
109
MD231F4 PO-R6793-144T
IDSEL
GND
GND
GND
VIO2
CBE3#
AD24
AD25
AD26
VDD
AD27
AD28
AD29
AD30
AD31
CLKRUN#
REQ#
GNT#
PCICLK
VpciDET
PCIRST#
INTA#
SROMCLK
SROMIN
SROMOUT
SROMCS
GPOL1
VpciEN#
VauxEN#
VDD
VauxDET
GND
LCS_L#/RH_L# (INPUT 5)
EXT_L# (INPUT4)
IRING# (INPUT3)
NC
* PIN IS NC ON R6793-12 ONLY (RS56-PCI)
Figure 4. BIC (R6793: 144-Pin TQFP) Pin Signals