/RZꢃ9ROWDJHꢃ9ꢇꢈꢉꢊ.ꢀꢁIOH[ꢊ9ꢇꢄꢆꢊ9ꢇꢄꢋELVꢃ/RZꢃ3RZHUꢃ0RGHPꢃ'DWDꢃ3XPSV 53ꢀꢁ/'ꢂꢃ53ꢄꢄꢁ/'ꢂꢃDQGꢃ53ꢅꢆꢆ/'
3
Pin
Signal Label
I/O Type
Pin
Signal Label
SR2CLK
I/O Type
Interface
To VSCLK (55)
Interface
1
D1
IA/OB
Host Parallel Interface
NC
73
74
75
76
77
78
79
80
81
82
83
84
85
DI
2
RESERVED
D2
TIRO2
~RLSD
TDCLK
TXD
IA
NC
3
IA/OB
IA/OB
Host Parallel Interface
Host Parallel Interface
NC
OA
OA
IA
DTE Serial Interface
4
D3
DTE Serial Interface
5
RESERVED
D4
DTE Serial Interface
6
IA/OB
OA
Host Parallel Interface
Controller
~CTS
OA
PWR
DTE Serial Interface
7
SYCLK
D5
VDD
+3.3V
8
IA/OB
IA/OB
IA/OB
IA
Host Parallel Interface
Host Parallel Interface
Host Parallel Interface
Host Parallel Interface
Host Parallel Interface
To +3.3 (VDD) through 10 Ω
and to AGND though10 µF
AGND
RESERVED
NC
NC
9
D6
NC
10
11
12
13
D7
RESERVED
NC
NC
RS0
NC
RS1
IA
GND
GND
IA
DGND
PLLVDD
PLL
MK5
PLL Circuit Select (Note 4)
14
AGND
GND
86
~RES1
PIF: ~RESET
SIF: Reset circuit
To MTXSIN (44)
To VTXSIN (56)
To MRXOUT (46)
To VRXOUT (54)
To MCLKIN (43) & VCLKIN
(57)
15
16
17
18
19
NC
NC
87
88
89
90
91
SR4OUT
SR3OUT
SR4IN
DI
DI
DI
DI
DI
NC
NC
NC
NC
AGND
AGND
GND
GND
AGND
AGND
SR3IN
CLKOUT
20
21
22
23
24
25
26
27
28
29
30
31
32
TELIN/NC*
AGNDV/NC*
TELOUT/NC*
AVAA
I(DA)
GND
O(DD)
PWR
O(DF)
O(DD)
O(DD)
REF
Line/Audio Interface
AGND
92
93
94
95
96
97
98
99
RESERVED
SA1CLK
NC
DI
DI
To MSTROBE (47)
To MSCLK (45)
NC
Line/Audio Interface
+3.3VA or +5VA
Line/Audio Interface
Line/Audio Interface
Line/Audio Interface
VC through capacitors
DAA; AGND thru capacitors
Line/Audio Interface
Line/Audio Interface
AGND
IA1CLK
RESERVED
RESERVED
SA4CLK
SPK
NC
TXA1
OA
OA
IA
Host Voice Serial Interface
Host Voice Serial Interface
Host Voice Serial Interface
Host Voice Serial Interface
NC
TXA2
SR4CLK
VREF
SR8IN
VC
REF
100
101
102
103
104
SR8OUT
RESERVED
RESERVED
SA2CLK
OA
MICV/NC*
RIN
I(DA)
I(DA)
GND
NC
AGNDM
~RES2
DI
DI
To VSTROBE (53)
To VCNTRLSIN (58)
PIF: ~RESET
SR2IO
SIF: Reset circuit
Line/Audio Interface
MICBIAS circuit
Line/Audio Interface
Line/Audio Interface
+3.3V
33
34
35
36
37
38
39
40
MICM
I(DA)
105
106
107
108
109
110
111
112
RESERVED
SR1IO
VDD
NC
MICBIAS
~RLYB
DI
To MCNTRLSIN (42)
+3.3V
OD
PWR
IA
SPKMD
OA
XTCLK
GND
DTE Serial Interface
DGND
AVDD
PWR
GND
RESERVED/NC*
RESERVED/NC*
~SET3V
NC
RESERVED
RXD
NC
NC
OA
IA
DTE Serial Interface
DTE Serial Interface
IA
AGND (VAA = +3.3V) or NC
(VAA = +5V)
~DTR
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
NC
NC
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
SLEEPO
RESERVED
NOXTL
DI
To IASLEEP (59)
MCNTRLSIN
MCLKIN
DI
To SR1IO (106)
To CLKOUT (91)
To SR4OUT (87)
To IA1CLK (94)
To SR4IN (89)
To SA1CLK (93)
Line/Audio Interface
AGND
NC
DI
IA
VCC or GND
MTXSIN
DI
RESERVED
VGG
NC
MSCLK
DI
REF
+5V or +3.3V
MRXOUT
MSTROBE
~RLYA
DI
RESERVED
RESERVED
RESERVED
GND
NC
DI
NC
OD
GND
PWR
GND
GND
DI
NC
AGND
GND
OA
DGND
AVDD
+3.3V
YCLK
NC
VSUB
AGND
XCLK
OA
NC
GND
DGND
RESERVED
~DSR
NC
VSTROBE/NC*
VRXOUT/NC*
VSCLK/NC*
VTXSIN/NC*
VCLKIN/NC*
VCNTRLSIN/NC*
IASLEEP
GND
To SA2CLK (103)
To SR3IN (90)
To SR2CLK (73)
To SR3OUT (88)
To CLKOUT (91)
To SR2IO (104)
To SLEEPO (113)
DGND
OA
DTE Serial Interface
NC
DI
RESERVED
~RI
DI
OA
IA
DTE Serial Interface
Line/Audio Interface
DTE Serial Interface
Host Parallel Interface
NC
DI
RINGD
DI
~RTS
IA
DI
IRQ
IA
DI
RESERVED
GND
GND
GND
DGND
CONEXANT [ CONEXANT SYSTEMS, INC ]
