CX06833-44 View Datasheet(PDF) - Conexant Systems
Part Name
Description
Manufacturer
CX06833-44 Datasheet PDF : 78 Pages
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CX06833-3x/4x SMXXD Modem Data Sheet
Table 3-2. CX06833 144-Pin TQFP Pin Signals for Serial Interface (PARIF = Low)
Pin
Signal Label
1 DVDD
2 CNTLSIN
3 MCLKIN
4 TXSIN
5 SCLK
6 RXOUT
7 STROBE
8 M_RELAY_A
9 AGND
10 DVDD
11 DVSS
12 M_ACT_90
13 DLPBK_BAR
14 SLEEP_IN
15 AGND
16 PARIF (MK0)
17 DTRIND# (PD0)
18 PD1
19 PD2
20 PD3
21 DTR# (PD4)
22 PD5
23 RTS# (PD6)
24 OH# (PE0)
25 VOICE# (PE1)
I/O
Interface
P +3.3V
I
CX06833: SR1IO
I
CX06833: MCLKOUT through 33 Ω
I
CX06833: SR4OUT
O CX06833: IA1CLK through 33 Ω
O CX06833: SR4IN
O CX06833:SA1CLK through 33 Ω
O NC
G AGND
P +3.3V
G GND
I
NC
I
NC
I
CX06833: IASLEEP
G AGND
I
GND (Serial DTE)
O LED: DTRIND#
I/O NC
I/O NC
I
+3.3V through 47 K
I
DTE: DTR#
I/O NC
I
DTE: RTS#
O DAA: Off-Hook Relay Circuit
O DAA: Voice Relay Circuit (Optional)
26 MUTE# (PE2)
O DAA: Mute Circuit (Optional)
27 NVMDATA (PE3) I/O EEPROM: SDA
28 LCS (PE4)
I
DAA: Line Current Sense Circuit
29 VDDCORE
P Filter capacitors to GND
30 PE5
I
+3.3V through 47 K
31 PE6
I/O NC
32 EXTOH# (PE7)
I
DAA: Extension Pickup Circuit
(Optional)
33 RING (PA0)
I
DAA: Ring Detect Circuit
34 PA1
35 TXD# (PA2)
I/O NC
I
DTE: TXD#
36 PA3
I/O NC
37 PA4
I/O NC
38 PA5
I/O NC
39 RXD# (PA6)
O DTE: RXD#
40 NVMCLK (PA7)
O EEPROM: SCL
41 RES1#
I
Reset Circuit
42 SR3OUT
O VC: M_TXSIN
43 SR3IN (P_PX01) I
VC: M_RXOUT
44 MCLKOUT
(P_PB00)
O Through 33 Ω to CX06833:MCLKIN
and VC: M_CLKIN
45 SA2CLK
(P_PX05)
I
VC: M_STROBE
46 GND
G GND
47 SR2IO (P_PX06) O VC: M_CNTRLSIN
48 VDD
P +3.3V
49 SR4OUT
(P_PX00)
O CX06833: TXSIN
50 SA1CLK
(P_PX02)
I
CX06833: STROBE through 33 Ω
Pin
Signal Label
73 D4
74 D5
75 D6
76 D7
77 A00
78 A01
79 A02
80 A03
81 A04
82 A05
83 A06
84 VDD
85 A07
86 A08
87 A09
88 PLLVDD
89 PLLGND
90 A10
91 VDDCORE
92 A11
93 A12
94 A13
95 A14
96 A15
97 SR2CLK
(P_PGP05)
98 RESERVED
99 RESERVED
100 RESERVED
101 RESERVED
102 A16 (PB0)
103 VDD
104 PB1
105 ROMSEL#
(PB2)
106 GND
107 RAMSEL#
(PB3)
108 A17 (PB4)
109 A18 (PB5)
110 PB6
111 VDD
112 PB7
113 TESTP
114 DV1TP
115 CLKIN
116 XTLI
117 XTLO
118 VDD
119 NMIP
120 WT#
121 RD#
122 PHS2
I/O
Interface
I/O EB: D4
I/O EB: D5
I/O EB: D6
I/O EB: D7
O EB: A00
O EB: A01
O EB: A02
O EB: A03
O EB: A04
O EB: A05
O EB: A06
P +3.3V
O EB: A07
O EB: A08
O EB: A09
P
+3.3V and to GND through 1 µF
G GND
O EB: A10
P Filter capacitors to GND
O EB: A11
O EB: A12
O EB: A13
O EB: A14
O EB: A15
I
VC: M_SCK
I/O NC
O NC
O NC
O NC
O EB: A16
P +3.3V
I/O NC
O EB: ROM CE#
G GND
O EB: RAM CS#
O EB: A17
O EB: A18
I/O NC
P +3.3V
O NC
I
NC
I
Clock Select
I
NC
I
Crystal Circuit
O Crystal Circuit
P +3.3V
I
+3.3V
O EB: WRITE#
O EB: READ#
O NC
3-8
Conexant
102228A
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