CS61881-IB Просмотр технического описания (PDF) - Cirrus Logic

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CS61881-IB

Octal E1 Analog Front End

Cirrus Logic 

CS61881

3. PIN DESCRIPTION ................................................................................................................. 15

3.1 Pinout - 144-Pin LQFP .................................................................................................... 15

3.2 Pinout - 160-Pin FBGA .................................................................................................... 16

3.3 Pin Descriptions ............................................................................................................... 17

4. PACKAGE DIMENSIONS ..................................................................................................... 24

5. APPLICATIONS .............................................................................................................. 26

LIST OF FIGURES

Figure 1. Signal Rise and Fall Characteristics .............................................................................. 8

Figure 2. Recovered Clock and Data Switching Characteristics ................................................... 8

Figure 3. Transmit Clock and Data Switching Characteristics ...................................................... 8

Figure 4. Mask of the Pulse at the 2048 kbps Interface ................................................................ 9

Figure 5. Test Access Port Architecture ...................................................................................... 11

Figure 6. TAP Controller State Diagram ..................................................................................... 11

Figure 7. 144-Pin LQFP Pin Description Drawing ....................................................................... 15

Figure 8. 160-Pin FBGA Pin Description Drawing ...................................................................... 16

Figure 9. Internal RX Impedance Matching ................................................................................. 26

Figure 10. External RX Impedance Matching ............................................................................. 27

LIST OF TABLES

Table 1. JTAG Instructions............................................................................................................ 13

Table 2. Boundary Scan Register ................................................................................................. 14

DS451PP3

3

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