PE0302-865A

PE0302-865A CML Microcircuits Evaluation Kit User Manual COMMUNICATION SEMICONDUCTORS UM0302/2 March 2015 Provisional Issue Features CMX865A evaluation Fully Isolated 2-Wire Line Interface (DAA) Designed for use with PE0003 Operates from single 5V dc power Universal Interface Card and PC supply control software On-board supply regulator 1 Brief Description The PE0302-865A Evaluation Board features the CMX865A DTMF Codec/FSK Combo. Also included is a line interface. The board is fitted with a C-BUS connector allowing the PE0302-865A to be operated by connection to either of the two C-BUS ports on a PE0003 Universal Interface Card, and used with the associated PC GUI software. Alternatively, direct connection is possible between the CMX865A C-BUS and the user s C development application or emulation system. The board is operated at 3.3V dc, which is regulated on-board from an external 5 volt supply. 2015 CML Microsystems Plc Telecom Evaluation Kit PE0302-865A CONTENTS Section Page 1 Brief Description ..................................................................................... 1 2 Block Diagram ......................................................................................... 4 3 Preliminary Information .......................................................................... 5 3.1 Laboratory Equipment .................................................................. 5 3.2 Handling Precautions ................................................................... 5 3.2.1 Static Protection .............................................................. 5 3.2.2 Contents Unpacking ..................................................... 5 3.3 Approvals ..................................................................................... 5 4 Quick Start ............................................................................................... 6 4.1 With PE0003 ................................................................................ 6 4.1.1 Setting-Up ....................................................................... 6 4.1.2 Operation ........................................................................ 7 4.2 Without PE0003 ........................................................................... 7 5 Signal Lists .............................................................................................. 8 6 Circuit Schematics and Board Layouts .............................................. 11 7 Detailed Description ............................................................................. 13 7.1 Hardware Description ................................................................. 13 7.1.1 Power Supplies ............................................................. 13 7.1.2 Clock Options ................................................................ 13 7.1.3 Host Interface ................................................................ 13 7.1.4 Line Interface ................................................................ 13 7.2 Software ..................................................................................... 14 8 Performance Specification ................................................................... 15 8.1 Electrical Performance ............................................................... 15 8.1.1 Absolute Maximum Ratings .......................................... 15 8.1.2 Operating Limits ............................................................ 15 8.1.3 Operating Characteristics.............................................. 16 8.1.4 Physical Dimensions ..................................................... 16 Table Page Table 1 Signal List ..........................................................................................................................................8 Table 2 Test Points ........................................................................................................................................9 Table 3 Jumpers ............................................................................................................................................9 Table 4 LEDs ................................................................................................................................................10 Figure Page Figure 1 Block Diagram .................................................................................................................................4 Figure 2 PE0302-865A used with PE0003 ....................................................................................................6 Figure 3 Evaluation Board Layout - Top ......................................................................................................11 Figure 4 Evaluation Board Layout - Bottom ................................................................................................12 2015 CML Microsystems Plc 2 UM0302/2