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PDF DS21FF42 Data sheet ( Hoja de datos )

Número de pieza DS21FF42
Descripción 4 X 3 Twelve Channel T1 Framer
Fabricantes Dallas Semiconducotr 
Logotipo Dallas Semiconducotr Logotipo



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No Preview Available ! DS21FF42 Hoja de datos, Descripción, Manual

DALLAS
SEMICONDUCTOR
DS21FT42 / DS21FF42
4 X 3 Twelve Channel T1 Framer
4 X 4 Sixteen Channel T1 Framer
FEATURES
P
Sixteen (16) or Twelve (12) Completely
Independent T1 Framers in One Small
27mm x 27mm Package
Each Multi-Chip Module (MCM) Contains
Four (FF) or Three (FT) DS21Q42 Die.
Each Quad Framer Can be Concatenated
into a Single 8.192MHz Backplane Data
Stream
IEEE 1149.1 JTAG-Boundary Scan
Architecture
DS21FF42 and DS21FT42 are Pin
Compatible with DS21FF44 and
DS21FT44, respectively, to allow the
Same Footprint to Support T1 and E1
Applications
300–pin MCM BGA package (27mm X
27mm)
Low Power 3.3V CMOS with 5V Tolerant
Input & Outputs
1. MULTI-CHIP MODULE (MCM) DESCRIPTION
The Four x Four and Four x Three MCMs offer a high density packaging arrangement for
the DS21Q42 T1 Enhanced Quad Framer. Either three (DS21FT42) or four (DS21FF42)
silicon die of these devices is packaged in a Multi-Chip Module (MCM) with the electrical
connections as shown in Figure 1-1.
All of the functions available on the DS21Q42 are also available in the MCM packaged
version. However, in order to minimize package size, some signals have been deleted or
combined. These differences are detailed in Table 1-1. In the Four x Three (FT) version,
the fourth quad framer is not populated and hence all of the signals to and from this fourth
framer are absent and should be treated as No Connects (NC). Table 2-1 lists all of the
signals on the MCM and it also lists the absent signals for the Four x Three.
The availability of both a twelve and a sixteen channel version allow the maximum framer
density with the lowest cost. For example, in a T3 application, two devices (one
DS21FF42 and one DS21FT42) provide a total of 28 framers without the additional cost
and power consumption of any unused framers that appear in an octal approach.
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DS21FF42 pdf
DALLAS SEMICONDUCTOR
DS21FF42/DS21FT42
17.1 RECEIVE SIDE ................................ ................................ ...............72
17.2 TRANSMIT SIDE................................ ................................ ............73
17.3 MINIMUM DELAY SYNCHRONOUS RSYSCLK/TSYSCLK MODE .....73
18. HDLC CONTROLLER................................ ................................ ......74
18.1 HDLC FOR DS0S................................ ................................ ...............74
19. FDL/FS EXTRACTION AND INSERTION ................................ .........75
19.1 HDLC AND BOC CONTROLLER FOR THE FDL ............................... 75
19.1.1 General Overview ................................ ................................ ........75
19.1.2 Status Register for the HDLC ................................ ......................76
19.1.3 HDLC/BOC Register Description ................................ ..................79
19.2 LEGACY FDL SUPPORT ................................ ................................ .86
19.2.1 Overview ................................ ................................ ....................86
19.2.2 Receive Section ................................ ................................ ...........86
19.2.3 Transmit Section ................................ ................................ ........87
19.3 D4/SLC–96 OPERATION ................................ ................................ .88
20. PROGRAMMABLE IN–BAND CODE GENERATION AND DETECTION
89
21. TRANSMIT TRANSPARENCY ................................ ..........................93
22. INTERLEAVED PCM BUS OPERATION ................................ ..........94
23. JTAG-BOUNDARY SCAN ARCHITECTURE AND TEST ACCESS PORT
97
23.1 DESCRIPTION................................ ................................ ....................97
23.2 TAP CONTROLLER STATE MACHINE ................................ ....................98
23.3 INSTRUCTION REGISTER AND INSTRUCTIONS................................ ......... 101
23.4 TEST REGISTERS ................................ ................................ ............. 104
24. TIMING DIAGRAMS ................................ ................................ ...... 109
25. OPERATING PARAME TERS ................................ .......................... 124
26. MCM PACKAGE DIME NSIONS ................................ ...................... 144
DOCUMENT REVISION HISTORY
Revision
Notes
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DS21FF42 arduino
DALLAS SEMICONDUCTOR
J5
B10
L2
W1
W7
R3
T14
Y10
V18
V20
E12
N19
B19
B14
B4
E1
F3
D7
L5
T1
Y6
T3
M16
W9
W16
W20
D13
F17
D18
A18
C4
F1
G4
C10
L3
U2
V9
R5
U15
V10
U18
R18
E11
P19
B20
A16
A3
F2
G5
E8
L4
U1
Y7
R4
T15
W8
Y17
TPOS3
TPOS4
TPOS5
TPOS6
TPOS7
TPOS8
TPOS9
TPOS10
TPOS11
TPOS12
TPOS13/NC
TPOS14/NC
TPOS15/NC
TPOS16/NC
TSER1
TSER2
TSER3
TSER4
TSER5
TSER6
TSER7
TSER8
TSER9
TSER10
TSER11
TSER12
TSER13/NC
TSER14/NC
TSER15/NC
TSER16/NC
TSIG1
TSIG2
TSIG3
TSIG4
TSIG5
TSIG6
TSIG7
TSIG8
TSIG9
TSIG10
TSIG11
TSIG12
TSIG13/NC
TSIG14/NC
TSIG15/NC
TSIG16/NC
TSSYNC1
TSSYNC2
TSSYNC3
TSSYNC4
TSSYNC5
TSSYNC6
TSSYNC7
TSSYNC8
TSSYNC9
TSSYNC10
TSSYNC11
O Transmit Positive Data from Framer 3.
O Transmit Positive Data from Framer 4.
O Transmit Positive Data from Framer 5.
O Transmit Positive Data from Framer 6.
O Transmit Positive Data from Framer 7.
O Transmit Positive Data from Framer 8.
O Transmit Positive Data from Framer 9.
O Transmit Positive Data from Framer 10.
O Transmit Positive Data from Framer 11.
O Transmit Positive Data from Framer 12.
O Transmit Positive Data from Framer 13. NC on Four x Three.
O Transmit Positive Data from Framer 14. NC on Four x Three.
O Transmit Positive Data from Framer 15. NC on Four x Three.
O Transmit Positive Data from Framer 16. NC on Four x Three.
I Transmit Serial Data for Framer 1.
I Transmit Serial Data for Framer 2.
I Transmit Serial Data for Framer 3.
I Transmit Serial Data for Framer 4.
I Transmit Serial Data for Framer 5.
I Transmit Serial Data for Framer 6.
I Transmit Serial Data for Framer 7.
I Transmit Serial Data for Framer 8.
I Transmit Serial Data for Framer 9.
I Transmit Serial Data for Framer 10.
I Transmit Serial Data for Framer 11.
I Transmit Serial Data for Framer 12.
I Transmit Serial Data for Framer 13. NC on Four x Three.
I Transmit Serial Data for Framer 14. NC on Four x Three.
I Transmit Serial Data for Framer 15. NC on Four x Three.
I Transmit Serial Data for Framer 16. NC on Four x Three.
I Transmit Signaling Input for Framer 1.
I Transmit Signaling Input for Framer 2.
I Transmit Signaling Input for Framer 3.
I Transmit Signaling Input for Framer 4.
I Transmit Signaling Input for Framer 5.
I Transmit Signaling Input for Framer 6.
I Transmit Signaling Input for Framer 7.
I Transmit Signaling Input for Framer 8.
I Transmit Signaling Input for Framer 9.
I Transmit Signaling Input for Framer 10.
I Transmit Signaling Input for Framer 11.
I Transmit Signaling Input for Framer 12.
I Transmit Signaling Input for Framer 13. NC on Four x Three.
I Transmit Signaling Input for Framer 14. NC on Four x Three.
I Transmit Signaling Input for Framer 15. NC on Four x Three.
I Transmit Signaling Input for Framer 16. NC on Four x Three.
I Transmit System Sync for Framer 1.
I Transmit System Sync for Framer 2.
I Transmit System Sync for Framer 3.
I Transmit System Sync for Framer 4.
I Transmit System Sync for Framer 5.
I Transmit System Sync for Framer 6.
I Transmit System Sync for Framer 7.
I Transmit System Sync for Framer 8.
I Transmit System Sync for Framer 9.
I Transmit System Sync for Framer 10.
I Transmit System Sync for Framer 11.
DS21FF42/DS21FT42
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