PEB2091 Datasheet PDF - Siemens Semiconductor Group
| Part Number | PEB2091 | |
| Description | ICs for Communications(ISDN Echocancellation Circuit) | |
| Manufacturers | Siemens Semiconductor Group | |
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There is a preview and PEB2091 download ( pdf file ) link at the bottom of this page. Total 30 Pages | ||
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ICs for Communications
ISDN Echocancellation Circuit
IEC-Q
PEB 2091 Version 5.3
PEF 2091 Version 5.3
Data Sheet 01.99
DS 2
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PEB 2091
PEF 2091
Table of Contents
Page
3.7.6
3.8
3.9
3.10
3.11
3.12
3.13
3.14
3.15
3.16
Microprocessor Clock Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .89
Microprocessor Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .90
S/G Bit and BAC bit Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .90
Power Controller Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .91
Power Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .92
Undervoltage Detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .92
Watchdog Timer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .93
Power On Reset (POR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .93
Reset Behavior . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .94
Test Block . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .95
4
4.1
4.1.1
4.1.2
4.1.3
4.1.4
4.1.4.1
4.2
4.2.1
4.2.2
4.2.3
4.2.3.1
4.2.3.2
4.2.4
4.3
4.3.1
4.3.2
4.3.3
4.3.4
4.3.5
4.3.6
4.3.7
4.3.8
4.3.9
4.3.10
4.3.11
4.3.12
4.3.13
4.3.14
4.3.15
4.4
4.4.1
Operational Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .96
Microprocessor Access to IOM®-2 Channels . . . . . . . . . . . . . . . . . . . . . . .97
B-Channel Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .98
D-Channel Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .99
C/I Channel Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .100
Monitor Channel Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .101
Monitor Channel Protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .103
Access to U-Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .106
Access to Data Channels of U-Interface . . . . . . . . . . . . . . . . . . . . . . . .108
Access to EOC of U-Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .110
Access to the Single Bits of U-Interface . . . . . . . . . . . . . . . . . . . . . . . .115
Single Bits Transmission on U . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .115
Single Bits Reception from U . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .120
Setting Superframe Marker . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .124
Layer 1 Activation and Deactivation . . . . . . . . . . . . . . . . . . . . . . . . . . . . .125
Complete Activation Initiated by LT . . . . . . . . . . . . . . . . . . . . . . . . . . . .126
Activation with ACT-Bit Status Ignored by the Exchange Side . . . . . . .127
Complete Activation Initiated by TE . . . . . . . . . . . . . . . . . . . . . . . . . . . .128
Complete Deactivation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .129
Partial Activation (U Only) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .130
Activation Initiated by LT with U Active . . . . . . . . . . . . . . . . . . . . . . . . .131
Activation Initiated by TE with U Active . . . . . . . . . . . . . . . . . . . . . . . . .132
Deactivating S/T-Interface Only . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .134
Activation Initiated by LT with Repeater . . . . . . . . . . . . . . . . . . . . . . . .135
Activation Initiated by TE with Repeater . . . . . . . . . . . . . . . . . . . . . . . .136
Loss of Synchronization / Signal at Repeater . . . . . . . . . . . . . . . . . . . .137
Deactivation with Repeater . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .141
Activation Attempt Initiated by NT in NT-Auto Activation Mode . . . . . . .142
Activation in the µP-NT Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .142
Upstream Wake-Up Indication in the LT Repeater Mode . . . . . . . . . . .143
State Machines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .145
State Machine Notation Rules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .145
Semiconductor Group
5
Data Sheet 01.99
Preview 5 Page |
Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for PEB2091 electronic component. |
| Information | Total 30 Pages | |
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| Download | [ PEB2091.PDF Datasheet ] | |
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