DS3141/DS3142/DS3143/DS3144 Single/Dual/Triple/Quad DS3/E3 Framers
7.10.2 Transmit Operation .............................................................................................................................. 54
7.10.3 HDLC Register Description.................................................................................................................. 54
7.11
FEAC CONTROLLER ............................................................................................................... 62
7.11.1 FEAC Register Description.................................................................................................................. 63
8. OPERATION DETAILS ................................................................................................................. 67
8.1 RESET....................................................................................................................................... 67
8.2 DS3 AND E3 MODE CONFIGURATION .......................................................................................... 67
8.3 LIU AND SYSTEM INTERFACE CONFIGURATION............................................................................. 67
8.4 LOOPBACK MODES..................................................................................................................... 68
8.5 TRANSMIT OVERHEAD INSERTION................................................................................................ 68
9. JTAG INFORMATION................................................................................................................... 69
9.1 JTAG TAP CONTROLLER STATE MACHINE.................................................................................. 69
9.2 JTAG INSTRUCTION REGISTER AND INSTRUCTIONS...................................................................... 71
9.3 JTAG SCAN REGISTERS............................................................................................................. 72
10. DC ELECTRICAL CHARACTERISTICS....................................................................................... 73
11. AC TIMING CHARACTERISTICS................................................................................................. 74
11.1
11.2
11.3
SYSTEM INTERFACE TIMING..................................................................................................... 74
MICROPROCESSOR INTERFACE TIMING..................................................................................... 76
JTAG INTERFACE TIMING ........................................................................................................ 81
12. PIN ASSIGNMENTS ..................................................................................................................... 82
13. PACKAGE INFORMATION........................................................................................................... 87
14. THERMAL INFORMATION........................................................................................................... 88
15. REVISION HISTORY..................................................................................................................... 88
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