PSF21911 datasheet, PDF - EEWORLD Datasheet

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PSF21911: DescriptionISDN Echo Canceller, Basic, 1-Func, CMOS,; CategoryWireless rf/communication Telecom circuit; File Size1MB，164 Pages; ManufacturerInfineon; Websitehttp://www.infineon.com/

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PSF21911 Overview

ISDN Echo Canceller, Basic, 1-Func, CMOS,

PSF21911 Parametric

Parameter Name	Attribute value
Is it Rohs certified?	incompatible
Reach Compliance Code	unknow
data rate	160 Mbps
ISDN access rate	BASIC
JESD-30 code	X-XXMA-X
JESD-609 code	e0
Number of functions	1
Number of terminals	44
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
Minimum output high voltage	2.4 V
Maximum output low current	0.007 A
Maximum output low voltage	0.5 V
Package body material	UNSPECIFIED
encapsulated code	QCCJ
Encapsulate equivalent code	LDCC44,.7SQ
Package shape	UNSPECIFIED
Package form	MICROELECTRONIC ASSEMBLY
Peak Reflow Temperature (Celsius)	NOT SPECIFIED
power supply	5 V
Certification status	Not Qualified
reference point	U
standard	ANSI T1.601
Nominal supply voltage	5 V
surface mount	NO
technology	CMOS
Telecom integrated circuit types	ISDN ECHO CANCELLER
Temperature level	INDUSTRIAL
Terminal surface	Tin/Lead (Sn/Pb)
Terminal form	UNSPECIFIED
Terminal pitch	1.27 mm
Terminal location	UNSPECIFIED
Maximum time at peak reflow temperature	NOT SPECIFIED
Base Number Matches	1

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ICs for Communications

ISDN Echocancellation Circuit for Terminal Applications

IEC-Q TE

PSB 21911 Version 5.2

PSF 21911 Version 5.2

Data Sheet 11.97

DS 1

PSB 21911

Revision History:

Previous Releases:

Page

Original Version: 11.97

None

Subjects (changes since last revision)

For questions on technology, delivery and prices please contact the Semiconductor

Group Offices in Germany or the Siemens Companies and Representatives worldwide:

see our webpage at http://www.siemens.de/Semiconductor/address/address.htm.

Edition 11.97

Published by Siemens AG,

HL TS,

Balanstraße 73,

81541 München

Siemens AG 28.11.97.

Attention please!

As far as patents or other rights of third parties are concerned, liability is only assumed for components, not for

applications, processes and circuits implemented within components or assemblies.

The information describes the type of component and shall not be considered as assured characteristics.

Terms of delivery and rights to change design reserved.

Due to technical requirements components may contain dangerous substances. For information on the types in

question please contact your nearest Siemens Office, Semiconductor Group.

Siemens AG is an approved CECC manufacturer.

Packing

Please use the recycling operators known to you. We can also help you – get in touch with your nearest sales

office. By agreement we will take packing material back, if it is sorted. You must bear the costs of transport.

For packing material that is returned to us unsorted or which we are not obliged to accept, we shall have to invoice

you for any costs incurred.

Components used in life-support devices or systems must be expressly authorized for such purpose!

Critical components

of the Semiconductor Group of Siemens AG, may only be used in life-support devices or

systems

with the express written approval of the Semiconductor Group of Siemens AG.

1 A critical component is a component used in a life-support device or system whose failure can reasonably be

expected to cause the failure of that life-support device or system, or to affect its safety or effectiveness of that

device or system.

2 Life support devices or systems are intended (a) to be implanted in the human body, or (b) to support and/or

maintain and sustain human life. If they fail, it is reasonable to assume that the health of the user may be en-

dangered.

PSB 21911

PSF 21911

Table of Contents

1.1

1.2

1.3

1.4

1.5

1.6

1.7

1.7.1

1.7.2

1.7.3

1.7.4

2.1

2.2

2.3

2.3.1

2.3.2

2.3.3

2.3.4

2.3.5

2.3.6

2.4

2.4.1

2.4.2

2.5

2.5.1

2.5.2

2.5.3

2.5.4

2.5.5

2.5.6

2.5.7

2.5.8

2.5.9

2.5.10

2.6

2.6.1

2.6.2

2.6.3

2.6.4

2.7

Page

Overview

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

Logic Symbol µP Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

Logic Symbol Stand-Alone Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11

Pin Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12

Pin Definitions and Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13

Microprocessor Bus Interface (Overview) . . . . . . . . . . . . . . . . . . . . . . . . .21

System Integration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22

ISDN PC Adapter Card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22

ISDN Stand-Alone Terminal with POTS Interface . . . . . . . . . . . . . . . . . . .23

ISDN Feature Phone . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24

ISDN-Modem PC Card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25

Functional Description

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26

Operating Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26

Device Architecture . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28

IOM-2 Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30

IOM-2 Frame Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30

IOM-2 Command / Indication Channels . . . . . . . . . . . . . . . . . . . . . . . . . .34

IOM-2 Monitor Channel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35

Activation/Deactivation of IOM-2 Clocks . . . . . . . . . . . . . . . . . . . . . . . . . .37

Superframe Marker . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38

IOM-2 Output Driver Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38

Microprocessor Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39

Microprocessor Clock Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39

Watchdog Timer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39

U-Transceiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40

U-Frame Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42

EOC-Processor and MON-0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .51

Maintenance (MON-1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .54

Overhead Bits (MON-2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .56

Local Functions (MON-8) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .59

State Machine Notation Rules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .62

State Machine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .63

C/I Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .74

Layer 1 Loop-Backs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .76

Analog Line Port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .78

Access to IOM-2 Channels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .81

B-Channel Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .82

D-Channel Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .82

C/I Channel Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .83

Monitor Channel Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .84

S/G Bit and BAC Bit in TE Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .89

11.97

Semiconductor Group

PSB 21911

PSF 21911

List of Figures

Figure 1:

Figure 2:

Figure 3:

Figure 4:

Figure 5:

Figure 6:

Figure 7:

Figure 8:

Figure 9:

Figure 10:

Figure 11:

Figure 12:

Figure 13:

Figure 14:

Figure 15:

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Figure 18:

Figure 19:

Figure 20:

Figure 21:

Figure 22:

Figure 23:

Figure 24:

Figure 25:

Figure 26:

Figure 27:

Figure 28:

Figure 29:

Figure 30:

Figure 31:

Figure 32:

Figure 33:

Figure 34:

Figure 35:

Figure 36:

Figure 37:

Figure 38:

Figure 39:

Figure 40:

Figure 41:

Figure 42:

Page

Stand-Alone Mode (left) and µP Mode (right). . . . . . . . . . . . . . . . . . . . . . . 8

Logic Symbol µP Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Logic Symbol Stand-Alone Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Pin Configuration P-LCC-44 and T-QFP-64 Package (top view) . . . . . . . 12

ISDN PC Adapter Card. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

ISDN Stand-Alone Terminal with POTS Interface . . . . . . . . . . . . . . . . . . 23

ISDN Feature Phone . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

ISDN-Modem PC Card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

IEC-Q TE Device Architecture (µP Mode) . . . . . . . . . . . . . . . . . . . . . . . . 28

IEC-Q TE Device Architecture (Stand-Alone Mode). . . . . . . . . . . . . . . . . 29

IOM-2 Clocks and Data Lines. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Basic Channel Structure of IOM-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

Definition of the IOM-2 Frame in TE Mode. . . . . . . . . . . . . . . . . . . . . . . . 32

Definition of the IOM-2 Frame in NT Mode. . . . . . . . . . . . . . . . . . . . . . . . 33

Deactivation of the IOM-2 Clocks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

U-Transceiver Block Diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

CRC-Process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

Block Error Counter Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

Scrambler / Descrambler Algorithms . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

EOC-Processor: Auto Mode, Transparent Mode . . . . . . . . . . . . . . . . . . . 51

State Diagram Notation U-Transceiver. . . . . . . . . . . . . . . . . . . . . . . . . . . 62

State Transition Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64

Test Loop-Backs Supported by the IEC-Q TE . . . . . . . . . . . . . . . . . . . . . 76

DAC-Output for a Single Pulse. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79

Pulse Mask for a Single Positive Pulse . . . . . . . . . . . . . . . . . . . . . . . . . . 80

Access to IOM-2 Channels (µP mode) . . . . . . . . . . . . . . . . . . . . . . . . . . . 81

Procedure for the D-Channel Processing. . . . . . . . . . . . . . . . . . . . . . . . . 83

C/I Channel Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84

Monitor Channel Access Directions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85

Monitor Channel Protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87

D-Channel Request by the Terminal . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92

Reset Sources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93

Sampling of Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96

Example: C/I-Channel Use (all data values hexadecimal) . . . . . . . . . . . . 97

Complete Activation Initiated by LT . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101

Complete Activation Initiated by TE . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102

Complete Deactivation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103

U Only Activation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104

LT Initiated Activation with U-Interface Active . . . . . . . . . . . . . . . . . . . . 105

TE-Activation with U Active and Exchange Control (case 1) . . . . . . . . . 106

TE-Activation with U Active and no Exchange Control (case 2). . . . . . . 107

Deactivation of S/T Only. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108

11.97

Semiconductor Group

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