资 源 简 介
1 INTRODUCTION.............. . . 12 PROGRAMMABLE MODE............ . . 32.1 WITH WHAT TO PROGRAM?........... 32.2 HOW TO PROGRAM?............ . . 42.3 TIMING DIAGRAMS.............43 THE TS7514 REGISTERS...........53.1 MODE REGISTER : RPROG........... . 53.2 D.T.M.F. REGISTER : RDTMF...........53.3 TRANSMIT ATTENUATION REGISTER : RATTE....... . 53.4 LINE MONITORING REGISTER : RWLO.........53.5 TRANSMIT FILTER REGISTER : RPTF.......... 53.6 RECEIVE FILTER REGISTER : RPRF.......... . 63.7 DETECTION LEVEL AND HYSTERESIS REGISTER : RHCD....63.8 RECEIVE CHANNEL REGISTER : RPRX........64 THE 4/2 WIRE CONVERSION : THE HYBRID.......65 THE D.T.M.F. DIALING............ . 66 RING DETECTION............. . 67 TONE TRANSMISSION AND DETECTION......... . 87.1 2100Hz TRANSMISSION............ 87.2 2100Hz DETECTION............87.3 LOW FREQUENCY TONE DETECTION......... 88 LINE MONITORING............. 99 OTHER FEATURES............. 910 CONCLUSION.............. 9
