Rockwell RFX144V24-S23, Руководство дизайнера

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RFX144V24-S23 and RFX96V24-S23 Modem Designer’s Guide
viii 1070
List of Tables
Table 1-1. Modem Models and Supported Features .......................................................................................................... 1-2
Table 1-2. Configurations, Signaling Rates, and Data Rates .............................................................................................. 1-6
Table 1-3. Turn-On Sequence Times................................................................................................................................. 1-7
Table 1-4. Turn-Off Sequence Times................................................................................................................................. 1-7
Table 1-5. V.23 Default Turn-On and Turn-Off Sequences................................................................................................. 1-8
Table 2-1. MDP Pin Signals - 100-Pin PQFP ..................................................................................................................... 2-4
Table 2-2. XIA Pin Signals - 28-Pin PLCC.......................................................................................................................... 2-5
Table 2-3. MDP Hardware Interface Signal Definitions....................................................................................................... 2-6
Table 2-4. XIA Hardware Interface Signal Definitions....................................................................................................... 2-11
Table 2-5. Digital Electrical Characteristics ...................................................................................................................... 2-12
Table 2-6. Analog Electrical Characteristics ..................................................................................................................... 2-13
Table 2-7. Current and Power Requirements ................................................................................................................... 2-14
Table 2-8. Absolute Maximum Ratings ............................................................................................................................ 2-14
Table 2-9. Microprocessor Interface Timing ..................................................................................................................... 2-16
Table 3-1. Interface Memory Bit Definitions ....................................................................................................................... 3-3
Table 3-2. High Speed Status Bit Timing ......................................................................................................................... 3-26
Table 3-3. Power-On Reset Self-Test Values................................................................................................................... 3-29
Table 4-1. Modem DSP RAM Access Codes ..................................................................................................................... 4-3
Table 4-2. Modem DSP RAM Access Codes - SBRAM...................................................................................................... 4-4
Table 5-1. Transmitter and Receiver Initialization............................................................................................................... 5-5
Table 6-1. Filter Coefficient RAM Access Codes................................................................................................................ 6-7
Table 6-2. Calculated Coefficient Values, 9600 Hz Sample Rate........................................................................................ 6-8
Table 6-3. Calculated Coefficient Values, 8000 Hz Sample Rate........................................................................................ 6-9
Table 6-4. Calculated Coefficient Values, 4000 Hz Sample Rate...................................................................................... 6-10
Table 7-1. DTMF Signals................................................................................................................................................... 7-1
Table 7-2. DTMF Parameters ............................................................................................................................................ 7-3
Table 7-3. Common Single Tone Parameters .................................................................................................................... 7-4
Table 9-1. FR3 Coefficient for 1650 Hz Detection ............................................................................................................ 9-29
Table 11-1. PDE Poles and Zeros ................................................................................................................................... 11-5
Table 11-2. PDE PRAM Access Codes............................................................................................................................ 11-5
Table 12-1. Register Location 0E Use ............................................................................................................................. 12-7
Table 12-2. Register Location 0F Use.............................................................................................................................. 12-7
Table 13-1. DTMF Receiver Performance Characteristics................................................................................................ 13-2
Table 14-1. Typical Modem Interface Parts List ............................................................................................................... 14-5
Table 14-2. Crystal Specifications - 49.92 MHz/53.76 MHz - Third Overtone - Surface Mount .......................................... 14-7
Table 14-3. Modem Pin Noise Characteristics ............................................................................................................... 14-10