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RipTide LP Audio/Comm System Product Description
1200
Conexant
23
Conexant Proprietary Information
7DEOH $0& 3LQ $VVLJQPHQWV 3LQ 74)3
Pin
Signal Label
I/O
Type1
Interface2
Pin
Signal Label
I/O Type
Interface
1
VSS
GND
33
VREF
REF
AGND through 10 uF and 0.1 uF
2
GPIO0/LINE1_OH#
Ot2
LTI: Line 1 Off-Hook Relay
34
VREFOUT
REF
AGND through 10 uF and 0.1 uF
3
GPIO1/IRING#
It
LTI: Ring Detect Circuit
35
VC_A
REF
AGND through 10 uF and 0.1 uF
4
GPIO2/LINE1_CID#
Ot2
LTI: Line 1Caller ID Relay
36
MIX_CIN_L
Ia
AI: MIX_COUTL through 1 uF
5
VDD
PWR
+5V or +3.3V
37
MIX_COUT_L
Oa
AI: MIX_CIN_L through 1 uF
6
XTLI
Ix
24.576 MHz Crystal Circuit or
Oscillator
38
MIX_CIN_R
Ia
AI: MIX_COUT_R through 1 uF
7
XTLO
Ox
24.576 MHz Crystal Circuit or
open (XTLI connected to
Oscillator
39
MIX_COUT_R
Oa
AI: MIX_CIN_R through 1 uF
8
VSS
GND
40
MAVSS
MAGND
9
SDATA_OUT
Iac
AC-link: SDATA_OUT
41
RXA_H
Ia
LTI: Handset Receive Analog
10
BIT_CLK
Oac
AC-link: BIT_CLK
42
RXA_L1
Ia
LTI: Line 1 Receive Analog
11
VSS
GND
43
VREFP_M
REF
MAGND through 10 uF and
0.1 uF
12
SDATA_IN
Oac
AC-link: SDATA_IN
44
VC_M
REF
MAGND through 10 uF and
0.1 uF
13
VDD
PWR
+5V or +3.3V
45
LINE_OUT_L
Oa
AI: Line Out Left Channel
14
SYNC
Iac
AC-link: SYNC
46
LINE_OUT_R
Oa
AI: Line Out Right Channel
15
RESET#
Iac
AC-link: RESET#
47
TXA1_L1
Oa
LTI: Line 1 Transmit Analog Plus
16
AVDD
PWR
+5VA
48
TXA2_L1
Oa
LTI: Line 1 Transmit Analog
Minus
17
AVSS
AGND
49
AVDD
PWR
+5VA
18
EAPD
Ot2
AI: Ext. Audio Amplifier Control
50
POR
CAP
AGND through 1 uF
19
PC_BEEP
Ia
AI: PC Speaker beep pass
through
51
HP_OUT_L/
LN_LVL_OUT_L
Oa
AI: Headphone Out Left Channel
Line Level Out Left Channel
20
AVSS
AGND
52
HP_OUT_R/
LN_LVL_OUT_R
Oa
AI: Headphone Right Channel
Line Level Out Right Channel
21
AUX_L
Ia
AI: Aux Audio Left Channel
53
TXA1_H
Oa
LTI: Handset Transmit Analog
Plus
22
AUX_R
Ia
AI: Aux Audio Right Channel
54
TXA2_H
Oa
NC
23
VIDEO_L
Ia
AI: Video Audio Left Channel
55
CAP2
CAP
CAP3 through 12 nF
24
VIDEO_R
Ia
AI: Video Audio Right Channel
56
CAP3
CAP
AGND through 47 nF
25
CD_L
Ia
AI: CD Audio Left Channel
57
CID_INBIT
It
LTI: Caller ID Detect Circuit
26
CD_GND
GND
AI: CD Audio analog ground
58
GPIO3/LCS_L#/RH_L#
It
LTI: Line Cur Sense/Rem
Hangup
27
CD_R
Ia
AI: CD Audio Right Channel
59
GPIO4/EXT_L#
It
LTI: Extension Pickup
28
MIC1
Ia
AI: Desktop Microphone Input
60
GPIO5/VOICE#
Ot2
LTI: Voice Relay
29
LINE_IN_L
Ia
AI: Line In Left Channel
61
GPIO6/LCS_H#
It
LTI: Handset Loop Current Sense
30
LINE_IN_R
Ia
AI: Line In Right Channel
62
GPIO7/RINGWAKE#
It
LTI: Ring Detect Circuit
31
AVDD
PWR
+5VA
63
GPIO8
It/Ot2
General purpose I/O
32
AVSS
AGND
64
VDD
PWR
+5V or +3.3V
1. I/O types:
Ia
Analog input (see Table 11)
Iac
Digital input, AC-link-compatible, CIN = 50 pF (see Table 10)
It
Digital input, TTL (see Table 10)
Ix
Digital input crystal/clock
It/Ot2
Digital input, TTL/Digital output, TTL, 2 mA, 50 pF (see Table 10)
Oa
Analog output (see Table 11)
Oac
Digital output, AC-link-compatible (see Table 10)
Ot2
Digital output, TTL, 2 mA, 50 pF (see Table 10)
Ox
Digital output, crystal
REF
Reference voltage
CAP
Filter capacitor
2. Interface:
AI
Audio interface
LTI
Line/telephone interface
3. All GPIO lines have It/Ot2 capability. I/O Type listed corresponds to application signal.