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3
Pin
Signal Label
RESERVED
I/O Type
Pin
Signal Label
VRXOUT/NC*
I/O Type
Interface
To SR3IN (21)
Interface
1
NC
51
52
53
54
55
56
57
58
DI
DI
DI
DI
DI
DI
2
RS2
IA
Host Parallel Interface
Host Parallel Interface
Host Parallel Interface
Host Parallel Interface
Host Parallel Interface
Host Parallel Interface
DTE Serial Interface
VSCLK/NC*
VTXSIN/NC*
VCLKIN/NC*
VCNTRLSIN/NC*
IASLEEP
RESERVED
RESERVED
SA2CLK
To SR2CLK (10)
To SR3OUT (19)
To CLKOUT (22)
To SR2IO (60)
To SLEEPO (69)
NC
3
RS3
IA
4
RS4
IA
5
~CS
IA
6
~WRITE
~READ
~RDCLK
~WKRES
SR2CLK
~RLSD
TDCLK
TXD
IA
7
IA
8
OA
IA
NC
9
MCU: READY/~WKRESOUT 59
DI
DI
To VSTROBE (50)
To VCNTRLSIN (55)
NC
10
11
12
13
14
15
16
17
DI
OA
OA
IA
To VSCLK (52)
DTE Serial Interface
DTE Serial Interface
DTE Serial Interface
NC
60
61
62
63
64
65
66
67
SR2IO
RESERVED
SR1IO
DI
To MCNTRLSIN (41)
+3.3V
VDD
PWR
IA
RESERVED
RESERVED
GND
XTCLK
DTE Serial Interface
DGND
NC
GND
GND
GND
DGND
RESERVED
RXD
NC
~RES1
PIF: ~RESET
OA
DTE Serial Interface
SIF: Reset circuit
To MTXSIN (43)
To VTXSIN (53)
To MRXOUT (45)
To VRXOUT (51)
To MCLKIN (42) & VCLKIN
(54)
18
19
20
21
22
SR4OUT
SR3OUT
SR4IN
DI
DI
DI
DI
DI
68
69
70
71
72
VDD
PWR
DI
+3.3V
SLEEPO
RESERVED
VGG
To IASLEEP (56)
NC
+5V
NC
SR3IN
REF
CLKOUT
RESERVED
23
24
25
26
27
28
29
30
31
32
33
SA1CLK
IA1CLK
AGND
TELIN/NC*
TELOUT/NC*
AVAA
DI
To MSTROBE (46)
To MSCLK (44)
Analog Ground
Line/Audio Interface
Line/Audio Interface
+5VA
73
74
75
76
77
78
79
80
81
82
83
RESERVED
RESERVED
YCLK
NC
DI
NC
GND
I(DA)
O(DD)
PWR
O(DF)
O(DD)
O(DD)
REF
OA
OA
NC
XCLK
NC
RESERVED
~RI
NC
OA
IA
DTE Serial Interface
Line/Audio Interface
Host Parallel Interface
DGND
SPK
Line/Audio Interface
Line/Audio Interface
Line/Audio Interface
VC through capacitors
DAA through FB; GND
through capacitors and FB
Line/Audio Interface
Line/Audio Interface
PIF: ~RESET
RINGD
IRQ
TXA1
IA
TXA2
GND
GND
DI
VREF
GP00
To ~RDCLK (8)
NC
VC
REF
RESERVED
34
35
36
MICV/NC*
RIN
I(DA)
I(DA)
84
85
86
RESERVED
VDD
NC
PWR
I
+3.3V
~RES2
CLKIN
Clock Circuit
SIF: Reset circuit
Line/Audio Interface
Line/Audio Interface
Analog Ground
+3.3V
37
38
39
40
41
42
43
44
45
46
47
48
MICM
I(DA)
OA
GND
PWR
DI
87
88
89
90
91
92
93
94
95
96
97
98
NC
NC
SPKMD
AGND
D0
IA/OB
IA/OB
IA/OB
IA/OB
IA/OB
IA/OB
IA/OB
IA/OB
IA
Host Parallel Interface
Host Parallel Interface
Host Parallel Interface
Host Parallel Interface
Host Parallel Interface
Host Parallel Interface
Host Parallel Interface
Host Parallel Interface
Host Parallel Interface
Host Parallel Interface
To +3.3 (VDD) through 10 Ω
and to DGND through 10 µF.
DGND
D1
AVDD
D2
MCNTRLSIN
MCLKIN
MTXSIN
MSCLK
MRXOUT
MSTROBE
~RLYA
To SR1IO (62)
To CLKOUT (22)
To SR4OUT (18)
To IA1CLK (24)
To SR4IN (20)
To SA1CLK (23)
NC
D3
DI
D4
DI
D5
DI
D6
DI
D7
DI
RS0
RS1
PLLVDD
OD
GND
IA
AGND
AGND
PLL
49
50
GND
GND
DI
DGND
99
GND
GND
PLL
VSTROBE/NC*
To SA2CLK (59)
100
PLLGND
DGND
Notes:
1.
I/O types:
3.
Interface Legend:
IA, IB = Digital input; OA, OB = Digital output.
I(DA) = Analog input; O(DD), O(DF) = Analog output.
DI = Device interconnect.
MDP = Modem Data Pump
DTE = Data Terminal Equipment
PIF = Parallel host interface
SIF = Serial DTE interface.
2.
NC = No external connection allowed (may have internal connection).
* NC on non-SP models.
CONEXANT [ CONEXANT SYSTEMS, INC ]
