DS96-L147-203 CONEXANT [Conexant Systems, Inc], DS96-L147-203 Datasheet - Page 52
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 3-4. CX81801 Modem Pin Signal Definitions for Serial Interface (PARIF = Low) (Continued)
3-20
VOICE# (PE1)
HS_LCS (PE4)
TESTP
XCLK
S4RIN
PHS2
PC3
PD1
PD2
PD7
P_PX00
P_PX02
P_PX03
RESERVED (PA0)
RESERVED (PA1)
RESERVED (PA3)
RESERVED (PA4)
RESERVED (PA5)
RESERVED (PC7)
RESERVED (PD5)
RESERVED (PE2)
RESERVED (PE5)
RESERVED (PE6)
RESERVED (P_PA00)
RESERVED (P_PA05)
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
110
49
45
121
126
7
8
46
41
42
43
24
26
28
29
31
4
12
17
21
22
55
56
59
Pin
CX81801-7x/8x SmartV.XX Modem Data Sheet
O
I
I
O
I
O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
O
O
I
I
I
I
I
O
I/O
O
I/O
I/O
I/O
I/O
It/Ot2
It/Ot2
Itpu
It/Ot2
Itk
Ot2
Ith/Ot8
Ithpd/Ot2
Ithpd/Ot2
It/Ot2
It/Ot8
Itpu/Ot2
Itpu/Ot2
It/Ot2
It/Ot2
Itpu/Ot2
Itpu/Ot2
It/Ot2
Ith/Ot8
Ithpu
It/Ot2
It/Ot2
It/Ot2
Itpu/Ot2
Itk/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.
Not Used. Leave open.
Reserved. Connect to +3.3V though 47 KΩ.
Reserved. Connect to +3.3V through 47 KΩ.
Reserved. 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.
Signal Name/Description
102199B
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