DS3141 ,Single/Dual/Triple/Quad DS3/E3 FramersAPPLICATIONS Line, Diagnostic, and Payload Loopbacks SONET/SDH Muxes Externally Controlled Tran ..
DS3141+ ,Single/Dual/Triple/Quad DS3/E3 FramersAPPLICATIONS Line, Diagnostic, and Payload Loopbacks SONET/SDH Muxes Externally Controlled Tran ..
DS31412 ,6-/8-/12-Channel DS3/E3 FramersFUNCTIONAL DESCRIPTION ... 18 7.1 PIN INVERSIONS AND FORCE HIGH/LOW ..... 18 7.2 TRANSMITTER LOGIC ..
DS3146N ,6-/8-/12-Channel DS3/E3 FramersAPPLICATIONS Large Performance-Monitoring Counters SONET/SDH Muxes Line, Diagnostic, and Payloa ..
DS3148 ,6-/8-/12-Channel DS3/E3 FramersAPPLICATIONS Large Performance-Monitoring Counters SONET/SDH Muxes Line, Diagnostic, and Payloa ..
DS3148N ,6-/8-/12-Channel DS3/E3 FramersFUNCTIONAL DESCRIPTION ... 18 7.1 PIN INVERSIONS AND FORCE HIGH/LOW ..... 18 7.2 TRANSMITTER LOGIC ..
EA2-12 ,COMPACT AND LIGHTWEIGHTAPPLICATIONSElectronic switching systems, PBX, key telephone systems, automatic test equipment and ..
EA2-12NU ,COMPACT AND LIGHTWEIGHTFEATURESª Low power consumptionª Compact and light weightª 2 form c contact arrangementª Low magnet ..
EA2-12S ,COMPACT AND LIGHTWEIGHTFEATURESª Low power consumptionª Compact and light weightª 2 form c contact arrangementª Low magnet ..
EA2-12TNU ,COMPACT AND LIGHTWEIGHTAPPLICATIONSElectronic switching systems, PBX, key telephone systems, automatic test equipment and ..
EA2-4.5NU ,COMPACT AND LIGHTWEIGHTAPPLICATIONSElectronic switching systems, PBX, key telephone systems, automatic test equipment and ..
EA2-4.5T ,COMPACT AND LIGHTWEIGHTDATA SHEETMINIATURE SIGNAL RELAYEA2 SERIESCOMPACT AND LIGHTWEIGHTDESCRIPTIONThe EA2 series has red ..
DS3141
Single/Dual/Triple/Quad DS3/E3 Framers
GENERAL DESCRIPTION The DS3141, DS3142, DS3143, and DS3144
(DS314x) devices include all necessary circuitry to
frame and format up to four separate DS3 or E3
channels. Each framer in these devices is
independently configurable to support M23 DS3,
C-Bit Parity DS3, or G.751 E3. The framers interface
to a variety of line interface units (LIUs),
microprocessor buses, and other system
components without glue logic. Each DS3/E3 framer
has its own HDLC controller, FEAC controller, and
BERT, as well as full support for error detection and
generation, performance monitoring, and loopbacks.
APPLICATIONS SONET/SDH Muxes
PDH Muxes
Digital Cross-Connect Systems
Access Concentrators
ATM and Frame Relay Equipment
Routers
FUNCTIONAL DIAGRAM
FEATURES One/Two/Three/Four Independent DS3/E3
Framers on a Single Die
Framing and Formatting to M23 DS3, C-Bit Parity
DS3, and G.751 E3
LIU Interface can be Binary (NRZ) or Dual-Rail
(POS/NEG)
B3ZS/HDB3 Encoder and Decoder
Generate and Detect DS3/E3 Alarms Integrated HDLC Controller for Each Channel
Integrated FEAC Controller for Each Channel
Integrated Bit Error-Rate Tester (BERT) for Each
Channel
Large Performance-Monitoring Counters Line, Diagnostic, and Payload Loopbacks
Externally Controlled Transmit Overhead
Insertion Port
Support External Timing or Loop-Timing
Framers can be Powered Down When Not Used 8-Bit Processor Port Supports Muxed or
Nonmuxed Bus Operation (Intel or Motorola)
3.3V Supply with 5V Tolerant I/O
144-Pin, 13mm x 13mm CSBGA Package
IEEE 1149.1 JTAG Support
ORDERING INFORMATION
PART NO. OF
FRAMERS TEMP RANGE PIN-PACKAGE
DS3141 1 0°C to +70C 144 CSBGA
DS3141N 1 -40°C to +85C 144 CSBGA
DS3142 2 0°C to +70C 144 CSBGA
DS3142 2 -40°C to +85C 144 CSBGA
DS3143 3 0°C to +70C 144 CSBGA
DS3143N 3 -40°C to +85C 144 CSBGA
DS3144 4 0°C to +70C 144 CSBGA
DS3144N 4 -40°C to +85C 144 CSBGA
DS3141/DS3142/DS3143/DS3144
Single/Dual/Triple/Quad
DS3/E3 FramersPOS/NRZ
NEG/LCV
CLK
CLK
DATA
SYNC
RECEIVE
FRAMER
TRANSMIT
FORMATTER
CLK
DATA
SYNC
POS/NRZ
NEG
CLK
LIU
INTERFACE
SYSTEM
INTERFACE
OVERHEAD
EACH FRAMER
Dallas
Semiconductor DS314x
Pin Configurations appear at end of data sheet.
DESIGN KIT AVAILABLE
DS3141/DS3142/DS3143/DS3144 Single/Dual/Triple/Quad DS3/E3 Framers
TABLE OF CONTENTS
1. BLOCK DIAGRAM..........................................................................................................................6
2. APPLICATION EXAMPLE..............................................................................................................6
3. MAIN FEATURES...........................................................................................................................7
4. STANDARDS COMPLIANCE.........................................................................................................8
5. PIN DESCRIPTION.........................................................................................................................9 5.1 TRANSMIT FORMATTER LIU INTERFACE PINS.................................................................................9
5.2 RECEIVE FRAMER LIU INTERFACE PINS.........................................................................................9
5.3 TRANSMIT FORMATTER SYSTEM INTERFACE PINS........................................................................10
5.4 RECEIVE FRAMER SYSTEM INTERFACE PINS................................................................................12
5.5 CPU BUS INTERFACE PINS.........................................................................................................14
5.6 JTAG INTERFACE PINS...............................................................................................................14
5.7 SUPPLY, TEST, AND RESET PINS.................................................................................................14
6. REGISTERS..................................................................................................................................15 6.1 STATUS REGISTER DESCRIPTION................................................................................................17
7. FUNCTIONAL DESCRIPTION......................................................................................................18 7.1 PIN INVERSIONS AND FORCE HIGH/LOW......................................................................................18
7.2 TRANSMITTER LOGIC..................................................................................................................18
7.2.1 Transmit Clock.....................................................................................................................................18
7.2.2 Loss-of-Clock Detection.......................................................................................................................19
7.3 RECEIVER LOGIC........................................................................................................................19
7.4 ERROR INSERTION......................................................................................................................20
7.5 LOOPBACKS...............................................................................................................................20
7.5.1 Line Loopback......................................................................................................................................20
7.5.2 Diagnostic Loopback............................................................................................................................20
7.5.3 Payload Loopback................................................................................................................................20
7.5.4 BERT and Loopback Interaction..........................................................................................................20
7.6 COMMON AND LINE INTERFACE REGISTERS.................................................................................22
7.6.1 Master Status Register (MSR).............................................................................................................28
7.7 DS3/E3 FRAMER.......................................................................................................................32
7.7.1 DS3/E3 Framer Register Description...................................................................................................32
7.8 DS3/E3 PERFORMANCE ERROR COUNTERS................................................................................42
7.9 BERT........................................................................................................................................45
7.9.1 BERT Register Description..................................................................................................................45
7.10 HDLC CONTROLLER...............................................................................................................53
DS3141/DS3142/DS3143/DS3144 Single/Dual/Triple/Quad DS3/E3 Framers
7.10.2 Transmit Operation..............................................................................................................................54
7.10.3 HDLC Register Description..................................................................................................................54
7.11 FEAC CONTROLLER...............................................................................................................62
7.11.1 FEAC Register Description..................................................................................................................63
8. OPERATION DETAILS.................................................................................................................67 8.1 RESET.......................................................................................................................................67
8.2 DS3 AND E3 MODE CONFIGURATION..........................................................................................67
8.3 LIU AND SYSTEM INTERFACE CONFIGURATION.............................................................................67
8.4 LOOPBACK MODES.....................................................................................................................68
8.5 TRANSMIT OVERHEAD INSERTION................................................................................................68
9. JTAG INFORMATION...................................................................................................................69 9.1 JTAG TAP CONTROLLER STATE MACHINE..................................................................................69
9.2 JTAG INSTRUCTION REGISTER AND INSTRUCTIONS......................................................................71
9.3 JTAG SCAN REGISTERS.............................................................................................................72
10. DC ELECTRICAL CHARACTERISTICS.......................................................................................73
11. AC TIMING CHARACTERISTICS.................................................................................................74 11.1 SYSTEM INTERFACE TIMING.....................................................................................................74
11.2 MICROPROCESSOR INTERFACE TIMING.....................................................................................76
11.3 JTAG INTERFACE TIMING........................................................................................................81
12. PIN ASSIGNMENTS.....................................................................................................................82
13. PACKAGE INFORMATION...........................................................................................................87
14. THERMAL INFORMATION...........................................................................................................88
15. REVISION HISTORY.....................................................................................................................88 DS3141/DS3142/DS3143/DS3144 Single/Dual/Triple/Quad DS3/E3 Framers
LIST OF FIGURES Figure 1-1. Block Diagram.......................................................................................................................6
Figure 2-1. Application Example: 12-Port Unchannelized DS3/E3 Card..................................................6
Figure 5-1. Transmit Formatter Timing..................................................................................................11
Figure 5-2. Receive Framer Timing.......................................................................................................13
Figure 6-1. Status Register Interrupt Flow.............................................................................................17
Figure 7-1. Transmit Data Block Diagram..............................................................................................18
Figure 7-2. Transmit Clock Block Diagram............................................................................................19
Figure 7-3. Receiver Block Diagram......................................................................................................19
Figure 7-4. MSR Status Bit Interrupt Signal Flow...................................................................................31
Figure 7-5. T3E3SR Status Bit Interrupt Signal Flow.............................................................................39
Figure 7-6. BERT Status Bit Interrupt Signal Flow.................................................................................50
Figure 7-7. HDLC Status Bit Interrupt Signal Flow.................................................................................59
Figure 7-8. FEAC Status Bit Interrupt Signal Flow.................................................................................65
Figure 9-1. JTAG Block Diagram...........................................................................................................69
Figure 9-2. JTAG TAP Controller State Machine...................................................................................70
Figure 11-1. Data Path Timing Diagram................................................................................................75
Figure 11-2. Line Loopback Timing Diagram.........................................................................................75
Figure 11-3. SCLK Clock Timing...........................................................................................................76
Figure 11-4. Microprocessor Interface Timing Diagram (Nonmultiplexed)..............................................77
Figure 11-5. Microprocessor Interface Timing Diagram (Multiplexed)....................................................79
Figure 11-6. JTAG Interface Timing Diagram........................................................................................81
Figure 12-1. DS3141 Pin Configuration.................................................................................................83
Figure 12-2. DS3142 Pin Configuration.................................................................................................84
Figure 12-3. DS3143 Pin Configuration.................................................................................................85
Figure 12-4. DS3144 Pin Configuration.................................................................................................86
DS3141/DS3142/DS3143/DS3144 Single/Dual/Triple/Quad DS3/E3 Framers
LIST OF TABLES Table 4-A. Applicable Telecommunications Standards............................................................................8
Table 6-A. Register Map........................................................................................................................15
Table 6-B. Status Register Set Example................................................................................................17
Table 7-A. BERT/Loopback InteractionPayload Bits..........................................................................20
Table 7-B. BERT/Loopback InteractionOverhead Bits........................................................................21
Table 7-C. Common Line Interface Register Map..................................................................................22
Table 7-D. DS3/E3 Framer Register Map..............................................................................................32
Table 7-E. DS3 Alarm Criteria...............................................................................................................40
Table 7-F. E3 Alarm Criteria..................................................................................................................40
Table 7-G. BERT Register Map.............................................................................................................45
Table 7-H. HDLC Register Map.............................................................................................................54
Table 7-I. FEAC Register Map...............................................................................................................63
Table 9-A. JTAG Instruction Codes.......................................................................................................71
Table 9-B. JTAG ID Code......................................................................................................................72
Table 10-A. Recommended DC Operating Conditions...........................................................................73
Table 10-B. DC Electrical Characteristics..............................................................................................73
Table 11-A. Data Path Timing...............................................................................................................74
Table 11-B. Line Loopback Timing........................................................................................................74
Table 11-C. Microprocessor Interface Timing........................................................................................76
Table 11-D. JTAG Interface Timing.......................................................................................................81
Table 12-A. Pin Assignments (Sorted by Signal Name).........................................................................82
Table 14-A. Thermal Properties, Natural Convection.............................................................................88
Table 14-B. Theta-JA (JA) vs. Airflow....................................................................................................88
