CMX615D4 CML Microcircuits, CMX615D4 Datasheet - Page 2

• Manufacturer Part Number: CMX615D4
• Description: Digital Line to POTS Interface
• Manufacturer: CML Microcircuits

Digital Line to POTS Interface
1999 Consumer Microcircuits Limited
Section
1.1 Brief Description.........................................................................................1
1.2 Block Diagram ............................................................................................3
1.3 Signal List ...................................................................................................4
1.4 External Components.................................................................................6
1.5 General Description....................................................................................7
1.6 Application Notes .....................................................................................14
1.7 Performance Specification.......................................................................21
1.5.1 Xtal Osc and Clock Dividers.......................................................7
1.5.2 Uncommitted Amplifier...............................................................7
1.5.3 Tone/FSK Encoder and Tone Encoder ......................................7
1.5.4 SPM Generator ..........................................................................10
1.5.5 Transmit Operator.....................................................................10
1.5.6 Tx UART.....................................................................................10
1.5.7 ‘C-BUS’ Interface.......................................................................11
1.5.8 ‘C-BUS’ Registers......................................................................13
1.6.1 ‘Telecom Tones.........................................................................14
1.6.2 ‘C-BUS Timing...........................................................................17
1.7.1 Electrical Performance..............................................................21
1.7.2 Packaging..................................................................................25
CONTENTS
2
Page
CMX615
D/615/4