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Q67100-H6420 Datasheet(PDF) 3 Page - Siemens Semiconductor Group

Part # Q67100-H6420
Description  ICs for Communications
Download  269 Pages
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Manufacturer  SIEMENS [Siemens Semiconductor Group]
Direct Link  http://www.siemens.com/
Logo SIEMENS - Siemens Semiconductor Group

Q67100-H6420 Datasheet(HTML) 3 Page - Siemens Semiconductor Group

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PEB 2055
PEF 2055
Semiconductor Group
3
02.97
Table of Contents
Page
1
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
1.1
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
1.2
Pin Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
1.3
Pin Definitions and Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
1.4
Logic Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
1.5
Functional Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
1.6
Using the EPIC-S . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
1.7
System Integration and Application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
1.7.1
Digital Line Card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
1.7.1.1 Switching, Layer-1 Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
1.7.1.2 Decentralized D-Channel Handling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
1.7.1.3 Central D-Channel Processing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
1.7.1.4 Mixed D-Channel Processing, Signaling Decentralized,
Packet Data Centralized
21
1.7.2
Analog Line Card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
1.7.3
Packet Handlers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
2
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27
2.1
Bus Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27
2.2
PCM Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28
2.3
Configurable Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29
2.4
Memory Structure and Switching . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29
2.5
Pre-processed Channels, Layer-1 Support . . . . . . . . . . . . . . . . . . . . . . . . . .31
2.6
Special Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31
3
Operational Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32
3.1
Microprocessor Interface Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32
3.2
Clocking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33
3.3
Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33
3.4
EPIC® Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34
3.4.1
PCM-Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35
3.4.2
Configurable Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36
3.4.3
Switching Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38
3.4.4
Special Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41
3.5
Initialization Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42
3.5.1
Hardware Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42
3.5.2
EPIC® Initialization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42
3.5.2.1 Register Initialization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42
3.5.2.2 Control Memory Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42
3.5.2.3 Initialization of Pre-processed Channels . . . . . . . . . . . . . . . . . . . . . . . . . . . .43
3.5.2.4 Initialization of the Upstream Data Memory (DM) Tristate Field . . . . . . . . . .45
3.5.3
Activation of the PCM and CFI Interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . .45


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