MT90868 Zarlink Semiconductor, Inc., MT90868 Datasheet - Page 41

• Manufacturer Part Number: MT90868
• Description: High Bandwidth Digital Switch - 8,192 x 8,192 channels among local streams and 1,024 x 1,024 channels among two selected backplane streams
• Manufacturer: Zarlink Semiconductor, Inc.

Advance Information
Note 1: n denotes a BSTo stream number from 0 to 63.
BOAn1 - BOAn0
Read/Write Address: 0076
(See Note 1)
Reset Value: 0000
BOAR0
BOAR1
BOAR2
BOAR3
BOAR4
BOAR5
BOAR6
BOAR7
0 (Default)
Name
(period)
- 1/8
- 1/4
- 3/8
C8i
BOA
BOA
BOA
BOA
BOA
BOA
BOA
BOA
151
231
311
391
471
551
631
15
71
Table 19 - Backplane Output Advancement Registers (BOAR0 to BOAR7)
Backplane Output Advancement
H
BOA
BOA
BOA
BOA
BOA
BOA
BOA
BOA
150
230
310
390
470
550
630
14
70
Table 20 - Backplane Output Advancement Programming Table
Backplane Output Advancement Bits 1 - 0: The binary value of these two bits defines the
backplane output advancement of the BSTo outputs. The backplane output advancement
can be selected from 0 to - 3/8 C8i clock periods. See Table 20 for details.
H
BOA
BOA
BOA
BOA
BOA
BOA
BOA
BOA
141
221
301
381
461
541
621
13
61
- 0007D
16.384Mb/s
BOA
BOA
BOA
BOA
BOA
BOA
BOA
BOA
140
220
300
380
460
540
620
- 1/4
- 1/2
- 3/4
(bit)
12
60
H
0
BOA
BOA
BOA
BOA
BOA
BOA
BOA
BOA
131
211
291
371
451
531
611
11
51
BOA
BOA
BOA
BOA
BOA
BOA
BOA
BOA
130
210
290
370
450
530
610
10
50
32.768Mb/s
BOA
BOA
BOA
BOA
BOA
BOA
BOA
BOA
121
201
281
361
441
521
601
41
9
- 1
- 1/2
(bit)
- 1
0
1/2
BOA
BOA
BOA
BOA
BOA
BOA
BOA
BOA
120
200
280
360
440
520
600
40
8
Description
BOA
BOA
BOA
BOA
BOA
BOA
BOA
BOA
111
191
271
351
431
511
591
31
7
BOA
BOA
BOA
BOA
BOA
BOA
BOA
BOA
110
190
270
350
430
510
590
30
6
BOAn1
BOA
BOA
BOA
BOA
BOA
BOA
BOA
BOA
101
181
271
341
421
501
581
21
5
0
0
1
1
Advancement Bits
BOA
BOA
BOA
BOA
BOA
BOA
BOA
BOA
100
180
260
340
420
500
580
20
Corresponding
4
BOA
BOA
BOA
BOA
BOA
BOA
BOA
BOA
171
251
331
411
491
571
11
91
3
BOA
BOA
BOA
BOA
BOA
BOA
BOA
BOA
170
250
330
410
490
570
10
90
2
MT90868
BOAn0
BOA
BOA
BOA
BOA
BOA
BOA
BOA
BOA
161
241
321
401
481
561
01
81
1
0
1
0
1
BOA
BOA
BOA
BOA
BOA
BOA
BOA
BOA
160
240
320
400
480
560
00
80
0
41