PEF2091 Siemens Semiconductor Group, PEF2091 Datasheet - Page 14
PEF2091
Manufacturer Part Number
PEF2091
Description
ICs for Communications(ISDN Echocancellation Circuit)
Manufacturer
Siemens Semiconductor Group
Datasheet
1.PEF2091.pdf
(298 pages)
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List of Tables
Table 1
Table 2
Table 3
Table 4
Table 5
Table 6
Table 7
Table 8
Table 9
Table 10
Table 11
Table 12
Table 13
Table 14
Table 15
Table 16
Table 17
Table 18
Table 19
Table 20
Table 21
Table 22
Table 23
Table 24
Table 25
Table 26
Table 27
Table 28
Table 29
Table 30
Table 31
Table 32
Table 33
Table 34
Table 35
Table 36
Table 37
Table 38
Table 39
Table 40
Table 41
Table 42
Semiconductor Group
Microprocessor Bus Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Setting Modes of Operation (Stand-Alone and µP Mode) . . . . . . . . . . 51
Setting IOM
Setting Test Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Setting DOUT Driver in Stand-Alone Mode . . . . . . . . . . . . . . . . . . . . . 53
Setting DOUT Driver in µP Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
Setting IOM
Setting EOC Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
Setting MTO Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
U-Frame Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
General Monitor Channel Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
Microprocessor Interface Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90
Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94
B1/B2-Channel Data Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98
D-Channel Data Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99
Monitor Transmit Bits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103
Monitor Receive Bits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103
Content of MON-0 Message . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111
Predefined EOC Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112
Content of MON-2 Message . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
Single Bits Control in NT Modes (Upstream) . . . . . . . . . . . . . . . . . . . 116
Function of the Predefined SB in NT Modes . . . . . . . . . . . . . . . . . . . 117
Single Bits Control in LT Modes (Downstream) . . . . . . . . . . . . . . . . . 119
Function of the Predefined SB in LT Modes . . . . . . . . . . . . . . . . . . . 119
Format of MON-8-Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121
Setting Filtering Method for M4 Bits . . . . . . . . . . . . . . . . . . . . . . . . . . 122
Setting Filtering Method for Additional Overhead Bits . . . . . . . . . . . . 123
U-Interface Signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125
Timers for LT State Machine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 154
Timers for NT State Machine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167
Internal Coefficient Addresses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 186
MON-8 and C/I-Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 196
S/G Bit Control Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 199
State Machine Input Signals for S/G Control . . . . . . . . . . . . . . . . . . . 204
State Machine Output Signals for S/G Control . . . . . . . . . . . . . . . . . 204
Register Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 207
Register Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 208
Command / Indicate Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 224
C/I-Abbreviation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 225
Format of MON-0-Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 226
Predefined MON-0 Commands and Indications . . . . . . . . . . . . . . . . 226
Format of MON-1 Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 227
®
®
-2 Channel Assignment. . . . . . . . . . . . . . . . . . . . . . . . . . 52
-2 Clock Enable/Disable Mode . . . . . . . . . . . . . . . . . . . . 55
14
Data Sheet 01.99
PEB 2091
PEF 2091
Page
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