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DS2156 Datasheet(PDF) 2 Page - Maxim Integrated Products |
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DS2156 Datasheet(HTML) 2 Page - Maxim Integrated Products |
2 / 240 page DS2155 2 of 240 1. TABLE OF CONTENTS 1. TABLE OF CONTENTS..................................................................................................................................2 1.1 TABLE OF FIGURES ........................................................................................................................................6 1.2 TABLE OF TABLES..........................................................................................................................................7 2. DATA SHEET REVISION HISTORY ...........................................................................................................8 3. MAIN FEATURES .........................................................................................................................................10 3.1 FUNCTIONAL DESCRIPTION .........................................................................................................................13 3.2 BLOCK DIAGRAM.........................................................................................................................................15 4. PIN FUNCTION DESCRIPTION .................................................................................................................19 4.1 TRANSMIT SIDE ...........................................................................................................................................19 4.2 RECEIVE SIDE ..............................................................................................................................................22 4.3 PARALLEL CONTROL PORT PINS .................................................................................................................26 4.4 EXTENDED SYSTEM INFORMATION BUS......................................................................................................27 4.5 USER OUTPUT PORT PINS ............................................................................................................................28 4.6 JTAG TEST ACCESS PORT PINS...................................................................................................................29 4.7 LINE INTERFACE PINS..................................................................................................................................30 4.8 SUPPLY PINS ................................................................................................................................................31 4.9 L AND G PACKAGE PINOUT.........................................................................................................................32 4.10 10MM CSBGA PIN CONFIGURATION ......................................................................................................34 5. PARALLEL PORT .........................................................................................................................................35 5.1 REGISTER MAP ............................................................................................................................................35 6. PROGRAMMING MODEL ..........................................................................................................................41 6.1 POWER-UP SEQUENCE.................................................................................................................................42 6.1.1 Master Mode Register.........................................................................................................................42 6.2 INTERRUPT HANDLING ................................................................................................................................43 6.3 STATUS REGISTERS......................................................................................................................................43 6.4 INFORMATION REGISTERS ...........................................................................................................................44 6.5 INTERRUPT INFORMATION REGISTERS ........................................................................................................44 7. SPECIAL PER-CHANNEL REGISTER OPERATION.............................................................................45 8. CLOCK MAP ..................................................................................................................................................47 9. T1 FRAMER/FORMATTER CONTROL AND STATUS REGISTERS..................................................48 9.1 T1 CONTROL REGISTERS .............................................................................................................................48 9.2 T1 TRANSMIT TRANSPARENCY ...................................................................................................................53 9.3 AIS-CI AND RAI-CI GENERATION AND DETECTION ..................................................................................53 9.4 T1 RECEIVE-SIDE DIGITAL-MILLIWATT CODE GENERATION.....................................................................54 10. E1 FRAMER/FORMATTER CONTROL AND STATUS REGISTERS............................................57 10.1 E1 CONTROL REGISTERS.........................................................................................................................57 10.2 AUTOMATIC ALARM GENERATION .........................................................................................................61 10.3 E1 INFORMATION REGISTERS .................................................................................................................62 11. COMMON CONTROL AND STATUS REGISTERS ..........................................................................64 11.1 T1/E1 STATUS REGISTERS ......................................................................................................................65 |
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