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CX20431-21 参数 Datasheet PDF下载

CX20431-21图片预览
型号: CX20431-21
PDF下载: 下载PDF文件 查看货源
内容描述: AccessRunner ADSL -USB调制解调器设备设置 [AccessRunner ADSL-USB Modem Device Set]
分类和应用: 调制解调器
文件页数/大小: 56 页 / 363 K
品牌: CONEXANT [ CONEXANT SYSTEMS, INC ]
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AccessRunner ADSL-USB Modem Device Set Data Sheet  
3.3  
CX20431 AFE Hardware Interface Signals  
CX20431 AFE Hardware Signals, Pin Assignments, and Signal Definitions  
3.3.1  
CX20431 AFE hardware interface signals are shown in Figure 3-5.  
CX20431 AFE pin assignments are shown in Figure 3-6.  
CX20431 AFE hardware interface signals are defined in Table 3-13. DC characteristics are listed in Table 3-15.  
11  
15  
16  
17  
18  
13  
1
2
AFE_SCLK  
AFE_STB  
AFE_CTRLIN  
AFE_CTRLOUT  
AFE_WAKEUP  
AFE_RST#  
CLKIN  
INP_HYBR_RX  
INM_HYBR_RX  
HYBRID  
CTRL_STRB  
CTRL_IN  
CTRL_OUT  
WAKEUP  
POR  
7
8
P5200 UIC  
OUTP_TX  
OUTM_TX  
INP_DRV  
INM_DRV  
CX20441 LD  
24  
23  
22  
19  
29  
30  
31  
RX00  
RX08  
TX00  
RX0  
RX1  
TX0  
STROBE  
VREFP  
CX11627 ADDP  
0.1u  
F
10  
uF  
AFE_STRB  
VC  
21  
+3.3V  
DVDD  
AVDD  
0.1u  
F
10  
uF  
CX20431  
ANALOG FRONT END  
(AFE)  
5
9
+3.3V through filter  
AVDD  
6
10  
14  
25  
27  
AVSS  
AVSS  
DVSS  
DVSS  
DVSS  
VREFM  
32-PIN TQFP  
0.1u  
F
10  
uF  
30K  
32  
RBIAS  
3
4
12  
20  
26  
28  
INP_RX  
INM_RX  
NC  
NC  
NC  
NC  
NC  
100427_F3-05_HIS 20431 32T  
Figure 3-5. CX20431 AFE Hardware Interface Signals  
24  
23  
22  
21  
20  
19  
18  
17  
INP_HYBR_RX  
INM_HYBR_RX  
INP_RX  
1
2
3
4
5
6
7
8
RX0  
RX1  
TX0  
INM_RX  
DVDD  
NC  
AVDD  
AVSS  
STROBE  
WAKEUP  
CTRL_OUT  
CX20431  
OUTP_TX  
OUTM_TX  
100427_F3-06 PO_20431_32T  
Figure 3-6. CX20431 AFE Pin Signals - 32-Pin TQFP  
Conexant  
100427B  
3-19  
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