FM336Plus
V.34/Group 3 High Performance Fax Modem Family
Table 3. Signal Descriptions
Pin
Signal Label
RESERVED
I/O Type
Interface
Pin
Signal Label
RESERVED
I/O Type
Interface
1
2
3
4
5
6
7
8
—
—
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
—
—
RS2
RS3
RS4
/CS
/WR
/RD
/RDCLK
/RLSD
TDCLK
TXD
/CTS
VDD1
RESERVED
RESERVED
VSS
IA
IA
IA
IA
IA
IA
OA
OA
OA
IA
OA
PWR
—
—
GND
—
HOST Interface
HOST Interface
HOST Interface
HOST Interface
HOST Interface
HOST Interface
DTE Serial Interface
DTE Serial Interface
DTE Serial Interface
DTE Serial Interface
DTE Serial Interface
—
VSUB
VSS
NC
GND
GND
—
—
—
NC
NC
NC
—
SLEEP
VDD1
RESERVED
RESERVED
NC
MI
PWR
—
—
—
Modem Interconnect
—
—
—
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
NC
SR1IO
VCORE
VDD1
XTCLK
VSS
RESERVED
RXD
/DTR
VDD1
IA_SLEEP
VGG
YCLK
XCLK
EYEXY
/DSR
/RI
RINGD
/RTS
MI
Modem Interconnect
—
—
DTE Serial Interface
—
—
DTE Serial Interface
DTE Serial Interface
—
Modem Interconnect
—
Overhead Signal
Overhead Signal
Diagnostic Signal
DTE Serial Interface
Telephone Line Interface
Telephone Line Interface
DTE Serial Interface
HOST Interface
—
PWR
PWR
IA
GND
—
OA
IA
PWR
MI
PWR
OA
OA
OA
OA
OA
IA
IA
OA
GND
MI
—
—
—
NC
NC
/RESET
SR4OUT
NC
OA
OA
—
Modem Interconnect
Modem Interconnect
NC
Modem Interconnect
Modem Interconnect
Diagnostic Signal
Diagnostic Signal
—
SR4IN
IA
CLK_OUT
EYESYNC
EYECLK
MAVSS
MAVDD
SPKR
TXA2
TXA1
VREF
VC
RIN
MAVSS
/POR
RESERVED
RESERVED
/TALK
OA
OA
OA
GND
PWR
O(DF)
O(DD)
O(DD)
MI
—
Telephone Line Interface
Telephone Line Interface
Telephone Line Interface
Modem Interconnect
Modem Interconnect
Telephone Line Interface
—
Modem Interconnect
—
—
Telephone Line Interface
—
—
—
NC
Modem Interconnect
Modem Interconnect
Modem Interconnect
Modem Interconnect
Modem Interconnect
Modem Interconnect
—
IRQ
VSS
MI
GPO0
RESERVED
RESERVED
VDD1
XTALI/CLKIN
XTALO
D0
D1
D2
D3
D4
VDD1
D5
D6
D7
RS0
RS1
PLL_VDD
VSS
Modem Interconnect
—
—
I(DA)
AGND
IA
—
—
O(DD)
PWR
—
—
—
IA
IA
IA
IA
IA
IA
—
O(DD)
PWR
—
—
PWR
I
O
—
Overhead Signal
Overhead Signal
HOST Interface
HOST Interface
HOST Interface
HOST Interface
HOST Interface
—
HOST Interface
HOST Interface
HOST Interface
HOST Interface
HOST Interface
—
IA/OB
IA/OB
IA/OB
IA/OB
IA/OB
PWR
IA/OB
IA/OB
IA/OB
IA/OB
IA/OB
PWR
GND
GND
VDD
RESERVED
RESERVED
NC
M_CNTRL_SIN
M_CLKIN
M_TXSIN
M_SCK
M_RXOUT
M_STROBE
RESERVED
OH
Telephone Line Interface
—
—
—
VDD
100
PLL_GND
Notes:
1.
I/O types:
MI = Modem interconnect
IA, IB = Digital input
OA, OB = Digital output
I(DA) = Analog input
O(DD), O(DF) = Analog output
2.
3.
NC = No external connection required
RESERVED = No external connection allowed
Interface Legend:
HOST = Modem Control Unit (Host)
DTE = Data Terminal Equipment
10
Conexant
101361A
CONEXANT [ CONEXANT SYSTEMS, INC ]
