RH56D-PCI Modem Designer’s Guide
1213
Conexant
3-5
Conexant Proprietary Information
7DEOH 5 3LQ 74)3 3LQ 6LJQDOV
Pin
Signal Label
VIO
VDD
AD23
AD22
AD21
AD20
VDD
AD19
I/O Type
PWR
PWR
I/Opts
I/Opts
I/Opts
I/Opts
PWR
I/Opts
Interface3
Pin
73
74
75
76
77
78
79
80
Signal Label
MCLKIN
MTXSIN
MSCLK
MRXOUT
MSTROBE
AGND
VDD
SET3V#
I/O Type
IA
IA
OA
OA
OA
GND
PWR
It
Interface
1
2
3
4
5
6
7
8
PCI Bus: VI/O
+3.3V
PCI Bus: AD23
PCI Bus: AD22
PCI Bus: AD21
PCI Bus: AD20
+3.3V
PCI Bus: AD19
R6795: M_CLK
R6795: M_TXSIN
R6795: M_SCLK
R6795: M_RXOUT
R6795: M_STROBE
AGND
+3.3V
GND (+3.3V operation) or Open (+5V
operation)
+3.3V
NC
NC
GND
PCI Bus: PME#
R6795: VCTRLSIN
R6795: VTXSIN
R6795: VSCLK
R6795: VRXOUT
R6795: VSTROBE
R6795: MSTROBE
R6795: MRXOUT
R6795: MSCLK
R6795: MTXSIN
R6795: MCLKIN and VCLKIN
R6795: MCTRLSIN
+3.3V
GND
NC
LAI: Speaker Control (output);
Vaux Mode Power Select (input)
NC
LAI: Voice Relay Control
LAI: Caller ID Relay Control
LAI: Off-Hook Relay Control
+3.3V
+3.3V through 10K
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
AD18
AD17
AD16
CBE2#
FRAME#
IRDY#
TRDY#
DEVSEL#
STOP#
PERR#
SERR#
VDD
PAR
CBE1#
AD15
AD14
VDD
AD13
AD12
AD11
I/Opts
I/Opts
I/Opts
I/Opts
I/Opsts
I/Opsts
I/Opsts
I/Opsts
I/Opsts
I/Osts
I/Opod
PWR
I/Opts
I/Opts
I/Opts
I/Opts
PWR
I/Opts
I/Opts
I/Opts
PCI Bus: AD18
PCI Bus: AD17
PCI Bus: AD16
PCI Bus: CBE2#
PCI Bus: FRAME#
PCI Bus: IRDY#
PCI Bus: TRDY#
PCI Bus: DEVSEL#
PCI Bus: STOP#
PCI Bus: PERR#
PCI Bus: SERR#
+3.3V
PCI Bus: PAR
PCI Bus: CBE1#
PCI Bus: AD15
PCI Bus: AD14
+3.3V
PCI Bus: AD13
PCI Bus: AD12
PCI Bus: AD11
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
VDD
XOUT
XIN
GND
PME#
V_CTRL
V_TXSIN
V_SCLK
V_RXOUT
V_STROBE
M_STROBE
M_RXOUT
M_SCLK
M_TXSIN
M_CLK
M_CTRL
VDD
GND
GPIO14
SPKMUTE
(GPIO8)
GPIO3
VOICE# (GPIO2)
CID# (GPIO1)
OH# (GPIO0)
VDD
RINGWAKE#
(INPUT0)
INPUT1
LCS# (INPUT2)
PWR
O
I
GND
Ood
Ot2
Ot
It
It
It
It
It
It
Ot2
Ot2
Ot2
PWR
GND
Itpu/Ot12
It/Ot12
29
30
31
32
33
34
AD10
VDD
AD9
AD8
CBE0#
VDD
I/Opts
PWR
I/Opts
I/Opts
I/Opts
PWR
PCI Bus: AD10
+3.3V
PCI Bus: AD9
PCI Bus: AD8
PCI Bus: CBE0#
+3.3V
101
102
103
104
105
106
Itpu/Ot12
Ot12
Ot12
Ot12
PWR
It
35
36
GND
AD7
GND
I/Opts
GND
PCI Bus: AD7
107
108
Itpu
Itpu
NC
LAI: Handset Line Current Sense
Output
NC
LAI: Ring Indicate
37
38
AD6
AD5
I/Opts
I/Opts
PCI Bus: AD6
PCI Bus: AD5
109
110
NC
IRING#
(INPUT3)
EXT_L#
(INPUT4)
LCS_L#/RH_L#
(INPUT5)
GND
VauxDET
VDD
VauxEN#
VpciEN#
Itpu
39
AD4
I/Opts
PCI Bus: AD4
111
Itpu
LAI: Extension Off-hook Detector
40
VDD
PWR
+3.3V
112
Itpu
LAI: Line Current Sense/Remote
Hang-up
GND
PCI Bus: VauxDET
+3.3V
Power Detection and Switching Ckt
Power Detection and Switching Ckt
41
42
43
44
45
AD3
AD2
AD1
AD0
DRESET#
(GPOL0)
SLEEPO
(GPIO15)
VSTROBE/NC
VRXOUT/NC
VSCLK/NC
VTXSIN/NC
VCLKIN/NC
VCTRLSIN/NC
IASLEEP
AGND
AGND
I/Opts
I/Opts
I/Opts
I/Opts
Ot2
PCI Bus: AD3
PCI Bus: AD2
PCI Bus: AD1
PCI Bus: AD0
BIF: RESET# (68)
113
114
115
116
117
GND
Itpd
PWR
Ot2
Ot2
46
Ot12
R6795: IASLEEP
118
GPOL1
Ot2
NC
47
48
49
50
51
52
53
54
55
OA
OA
OA
IA
IA
IA
DI
GND
GND
R6795: V_STROBE (Note 3)
R6795: V_RXOUT (Note 3)
R6795: V_SCLK (Note 3)
R6795: V_TXSIN (Note 3)
R6795: M_CLK (Note 3)
R6795: V_CTRL (Note 3)
R6795: SLEEPO
AGND
AGND
119
120
121
122
123
124
125
126
127
SROMCS
SROMOUT
SROMIN
SROMCLK
INTA#
PCIRST#
VpciDET
PCICLK
GNT#
Ot2
Itpu
Ot4
Ot4
Opod
Ip
Itpd
Ip
Ipts
SROM: Chip Select (CS)
SROM: Data Out (DO)
SROM: Data In (DI)
SROM: Clock (SK)
PCI Bus: INTA#
PCI Bus: PCIRST#
Power Detection and Switching Ckt
PCI Bus: PCICLK
PCI Bus: GNT#