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CX06833-32 Folha de dados(PDF) 5 Page - Synaptics Incorporated. |
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CX06833-32 Folha de dados(HTML) 5 Page - Synaptics Incorporated. |
5 / 78 page CX06833-3x/4x SMXXD Modem Data Sheet 102228A Conexant v 3. Hardware Interface ...............................................................................................................................3-1 3.1 CX06833 Hardware Pins and Signals ............................................................................................................................. 3-1 3.1.1 CX06833 Interface Signals ............................................................................................................................. 3-1 3.2 CX20442 VC Hardware Pins and Signals (S Models) ................................................................................................... 3-17 3.2.1 CX20442 VC Signal Summary...................................................................................................................... 3-17 3.2.1.1 Speakerphone Interface............................................................................................................ 3-17 3.2.1.2 Telephone Handset/Headset Interface...................................................................................... 3-17 3.2.1.3 CX06833 Modem Interface ...................................................................................................... 3-17 3.2.1.4 Host Interface........................................................................................................................... 3-17 3.2.2 CX20442 VC Pin Assignments and Signal Definitions.................................................................................. 3-18 3.3 Electrical and Environmental Specifications ................................................................................................................. 3-24 3.3.1 Operating Conditions, Absolute Maximum Ratings, and Power Requirements ........................................... 3-24 3.4 Interface and Timing Waveforms ................................................................................................................................. 3-26 3.4.1 External Memory Bus Timing ....................................................................................................................... 3-26 3.4.2 Parallel Host Bus Timing .............................................................................................................................. 3-28 3.4.3 Serial DTE Interface...................................................................................................................................... 3-30 3.5 Crystal Specifications ................................................................................................................................................... 3-31 4. Package Dimensions ............................................................................................................................4-1 5. Parallel Host Interface ..........................................................................................................................5-1 5.1 Overview ......................................................................................................................................................................... 5-1 5.2 Register Signal Definitions ............................................................................................................................................. 5-3 5.2.1 IER - Interrupt Enable Register (Addr = 1, DLAB = 0) .................................................................................... 5-3 5.2.2 FCR - FIFO Control Register (Addr = 2, Write Only) ....................................................................................... 5-4 5.2.3 IIR - Interrupt Identifier Register (Addr = 2) .................................................................................................. 5-5 5.2.4 LCR - Line Control Register (Addr = 3) .......................................................................................................... 5-6 5.2.5 MCR - Modem Control Register (Addr = 4).................................................................................................... 5-7 5.2.6 LSR - Line Status Register (Addr = 5)............................................................................................................ 5-7 5.2.7 MSR - Modem Status Register (Addr = 6) ..................................................................................................... 5-9 5.2.8 RBR - RX Buffer (Receiver Buffer Register) (Addr = 0, DLAB = 0) ................................................................ 5-9 5.2.9 THR - TX Buffer (Transmitter Holding Register) (Addr = 0, DLAB = 0).......................................................... 5-9 5.2.10 Divisor Registers (Addr = 0 and 1, DLAB = 1).............................................................................................. 5-10 5.2.11 SCR - Scratch Register (Addr = 7) ............................................................................................................... 5-10 5.3 Receiver FIFO Interrupt Operation ................................................................................................................................ 5-10 5.3.1 Receiver Data Available Interrupt ................................................................................................................. 5-10 5.3.2 Receiver Character Timeout Interrupts ........................................................................................................ 5-11 5.4 Transmitter FIFO Interrupt Operation ........................................................................................................................... 5-11 5.4.1 Transmitter Empty Interrupt......................................................................................................................... 5-11 |
Nº de peça semelhante - CX06833-32 |
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Descrição semelhante - CX06833-32 |
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