PEF2091 Siemens Semiconductor Group, PEF2091 Datasheet - Page 10

• Manufacturer Part Number: PEF2091
• Description: ICs for Communications(ISDN Echocancellation Circuit)
• Manufacturer: Siemens Semiconductor Group

List of Figures
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Semiconductor Group
Logic Symbol for µP Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21
Logic Symbol for Stand-Alone Mode . . . . . . . . . . . . . . . . . . . . . . . . . . .22
COT Application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
RT Application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
PCM 4 Application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
Architecture of Repeater Application . . . . . . . . . . . . . . . . . . . . . . . . . . .25
Architecture of the Wireless Local Loop Base Station . . . . . . . . . . . . . .26
TE Application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
Dual Mode PC Adapter Card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27
NT-PBX Application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28
LT and Access Network Applications. . . . . . . . . . . . . . . . . . . . . . . . . . .29
NT1 Application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30
Pin Configuration for P-LCC-44 Package (top view) . . . . . . . . . . . . . . .31
Pin Configuration for M-QFP-64 and T-QFP-64 Packages (top view) . .32
Stand-Alone Mode (left) and µP Mode (right) . . . . . . . . . . . . . . . . . . . .50
Device Architecture in µP Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .58
Device Architecture in Stand-Alone Mode . . . . . . . . . . . . . . . . . . . . . . .59
U Transceiver Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .61
Scrambler / Descrambler Algorithms . . . . . . . . . . . . . . . . . . . . . . . . . . .63
DAC-Output for a Single Pulse . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .66
U-Superframe Structure. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .67
U-Basic Frame Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .67
IOM
Basic Channel Structure of IOM
Multiplexed Frame Structure of the IOM
Plain Frame Structure of the IOM
Terminal Frame Structure of the IOM
Handshake Protocol with a 2-Byte Monitor Message/Response . . . . . .78
Abortion of Monitor Channel Transmission . . . . . . . . . . . . . . . . . . . . . .79
Monitor Access with MTO Enabled . . . . . . . . . . . . . . . . . . . . . . . . . . . .81
Deactivation of the IOM
Clock Generation for LT Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .84
Clock in NT Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .85
Clocks in TE Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .85
Clock Generation in NT-PBX Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . .86
Clock Generation in Repeater Mode . . . . . . . . . . . . . . . . . . . . . . . . . . .87
Clocks in COT-512 Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .88
Clocks in COT-1536 Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .88
UVD Control of Pin RST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .93
Reset Sources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .95
Access to IOM
Procedure for the D-Channel Processing . . . . . . . . . . . . . . . . . . . . . . .99
®
-2 Clocks and Data Lines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .70
®
-2 Channels (µP mode) . . . . . . . . . . . . . . . . . . . . . . . .97
®
-2 Clocks . . . . . . . . . . . . . . . . . . . . . . . . . . . .82
10
®
-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . .71
®
-2 Interface . . . . . . . . . . . . . . . . . . .73
®
-2 Interface . . . . . . . . . . . . . . . .74
®
-2 Interface . . . . . . . . . . . . . .72
Data Sheet 01.99
PEB 2091
PEF 2091
Page