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CX20437VC View Datasheet(PDF) - Conexant Systems

Part Name
Description
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CX20437VC
Conexant
Conexant Systems Conexant
CX20437VC Datasheet PDF : 76 Pages
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SmartSCM Modem Data Sheet
Figures
Figure 1-1. SmartSCM Modem Simplified Interface Diagram................................................................................................... 1-2
Figure 1-2. SmartSCM Modem Major Interfaces ...................................................................................................................... 1-3
Figure 3-1. CX88168 SCM Hardware Signals for Parallel Interface (PARIF = High) ............................................................... 3-3
Figure 3-2. CX88168 SCM 128-Pin TQFP Pin Signals for Parallel Interface (PARIF = High) .................................................. 3-4
Figure 3-3. CX88168 SCM Hardware Signals for Serial Interface (PARIF = Low) ................................................................. 3-11
Figure 3-4. CX88168 SCM 128-Pin TQFP Pin Signals for Serial Interface (PARIF = Low).................................................... 3-12
Figure 3-5. CX20463 LSD Hardware Interface Signals .......................................................................................................... 3-22
Figure 3-6. CX20463 LSD 32-Pin TQFP Pin Signals ............................................................................................................. 3-22
Figure 3-7. CX20437 VC Hardware Interface Signals ............................................................................................................ 3-27
Figure 3-8. CX20437 VC 32-Pin TQFP Pin Signals ............................................................................................................... 3-27
Figure 3-9. Waveforms - External Memory Bus ..................................................................................................................... 3-34
Figure 3-10. Waveforms - Parallel Host Bus .......................................................................................................................... 3-36
Figure 3-11. Waveforms - Serial DTE Interface ..................................................................................................................... 3-37
Figure 4-1. Package Dimensions - 128-Pin TQFP ................................................................................................................... 4-1
Figure 4-2. Package Dimensions - 32-pin TQFP...................................................................................................................... 4-2
Tables
Table 1-1. SmartSCM Modem Models and Functions.............................................................................................................. 1-2
Table 2-1. +MS Command Automode Connectivity ................................................................................................................. 2-2
Table 3-1. CX88168 SCM 128-Pin TQFP Pin Signals for Parallel Interface (PARIF = High) ................................................... 3-5
Table 3-2. CX88168 SCM Pin Signal Definitions for Parallel Interface (PARIF = High) ........................................................... 3-7
Table 3-3. CX88168 SCM 128-Pin TQFP Pin Signals for Serial Interface (PARIF = Low)..................................................... 3-13
Table 3-4. CX88168 SCM Pin Signal Definitions for Serial Interface (PARIF = Low)............................................................. 3-15
Table 3-5. CX88168 SCM I/O Type Definitions ...................................................................................................................... 3-20
Table 3-6. CX88168 SCM DC Electrical Characteristics ........................................................................................................ 3-20
Table 3-7. CX20463 LSD 32-Pin TQFP Pin Signals............................................................................................................... 3-23
Table 3-8. CX20463 LSD Pin Signal Definitions .................................................................................................................... 3-24
Table 3-9. CX20463 LSD DC Electrical Characteristics ......................................................................................................... 3-25
Table 3-10. CX20437 VC 32-Pin TQFP Pin Signals............................................................................................................... 3-28
Table 3-11. CX20437 VC Pin Signal Definitions .................................................................................................................... 3-29
Table 3-12. CX20437 VC DC Electrical Characteristics ......................................................................................................... 3-31
Table 3-13. CX20437 VC Analog Electrical Characteristics................................................................................................... 3-31
Table 3-14. Operating Conditions........................................................................................................................................... 3-32
Table 3-15. Absolute Maximum Ratings................................................................................................................................. 3-32
Table 3-16. Current and Power Requirements ....................................................................................................................... 3-32
Table 3-17. Timing - External Memory Bus ............................................................................................................................ 3-33
Table 3-18. Timing - Parallel Host Bus................................................................................................................................... 3-35
Table 5-1. Parallel Interface Registers ..................................................................................................................................... 5-2
Table 5-2. Interrupt Sources and Reset Control....................................................................................................................... 5-5
Table 5-3. Programmable Baud Rates ................................................................................................................................... 5-10
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Conexant
100490C
 

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