DS96-L147-203 CONEXANT [Conexant Systems, Inc], DS96-L147-203 Datasheet - Page 43
DS96-L147-203
Manufacturer Part Number
DS96-L147-203
Description
SmartV.XX Modem
Manufacturer
CONEXANT [Conexant Systems, Inc]
Datasheet
1.DS96-L147-203.pdf
(94 pages)
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Table 3-2. CX81801 Modem Pin Signal Definitions for Parallel Interface (PARIF = High) (Continued)
102199B
VOICE# (PE1)
HS_LCS (PE4)
TESTP
XCLK
PHS2
SR4RIN
PA2
PA6
PD7
P_PX00
P_PX02
P_PX03
RESERVED (PA0)
RESERVED (PA1)
RESERVED (PA3)
RESERVED (PA4)
RESERVED (PA5)
RESERVED (PE0)
RESERVED (PE2)
RESERVED (PE5)
RESERVED (PE6)
RESERVED (GP00)
RESERVED (P_PA00)
RESERVED (P_PA04)
RESERVED (P_PA05)
RESERVED (P_PB01)
RESERVED
(P_BD2CLK)
Notes:
1. I/O Types: See Table 3-5.
2. Interface Legend:
DIB
EB
HB
NC
VC
RESERVED = No external connection allowed (may have internal connection).
Label
Digital Isolation Barrier
Expansion Bus
Host Bus
No internal pin connection
Voice Codec
16
19
49
121
27
32
46
41
42
43
24
26
28
29
31
14
17
21
22
52
55
54
56
51
110
45
59
Pin
CX81801-7x/8x SmartV.XX Modem Data Sheet
O
I
I
O
O
I
O
I/O
I/O
I/O
I/O
O
O
I
I
I
O
O
I/O
O
I/O
I/O
I/O
I/O
I/O
I/O
I
I/O
It/Ot2
It/Ot2
Itpu
It/Ot2
Ot2
Itk
It/Ot2
It/Ot2
It/Ot2
It/Ot8
Itpu/Ot2
Itpu/Ot2
It/Ot2
It/Ot2
Itpu/Ot2
Itpu/Ot2
It/Ot2
It/Ot8
It/Ot2
It/Ot2
It/Ot2
It/Ot2
Itpu/Ot2
Itpu/Ot2
Itk/Ot2
Itpu/Ot2
Itpu/Ot2
I/O Type
Conexant
DAA Interface
Not Used
Voice Relay Control. This output (typically active low) used to
control the normally open voice relay.
Handset Line Current Sense. LCS is an active high input that
indicates a handset off-hook status. Not required for
data/fax/voice/speakerphone operation. If not used, connect to
GND through 47 KΩ.
Test. Used for factory test only. Leave open.
Not Used. Leave open.
Not Used. Leave open.
Not Used. Leave open.
Not Used. Leave open.
Not Used. Leave open.
Not Used. Leave open.
Not Used. Leave open.
Not Used. Leave open.
Not Used. Leave open.
Not Used. Leave open.
Not Used. Leave open.
Not Used. Leave open.
Not Used. Leave open.
Reserved. Connect to +3.3V though 47 KΩ.
Not Used. Leave open.
Not Used. Leave open.
Reserved. Connect to +3.3V though 47 KΩ.
Not Used. Leave open.
Not Used. Leave open.
Not Used. Leave open.
Not Used. Leave open.
Not Used. Leave open.
Not Used. Leave open.
Not Used. Leave open.
Signal Name/Description
3-11
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