參數(shù)資料
型號(hào): MT90866AG2
廠商: ZARLINK SEMICONDUCTOR INC
元件分類: 路由/交換
英文描述: Flexible 4 K x 2.4 K Channel Digital Switch with H.110 Interface and 2.4 K x 2.4 K Local Switch
中文描述: TELECOM, DIGITAL TIME SWITCH, PBGA344
封裝: 27 X 27 MM, LEAD FREE, PLASTIC, MS-034, BGA-344
文件頁數(shù): 52/86頁
文件大?。?/td> 701K
代理商: MT90866AG2
MT90866
Data Sheet
52
Zarlink Semiconductor Inc.
Figure 20 - Example of Backplane Output Advancement Timing
Name)
Description
BOAn1, BOAn0
(See Note 1)
Backplane Output Advancement Bits 1 - 0:
These two bits represent the amount of
offset that a particular stream output can be advanced. When the offset is zero, the
serial output stream has normal alignment with the frame pulse.
Note 1: n denotes a STio stream number from 0 to 31.
Table 14 - Backplane Output Advancement Registers (BOAR0 to BOAR3) Bit
Read/Write Addresses:
001C
H
for BOAR0 register,
001E
H
for BOAR2 register,
0000
H
for all BOAR registers.
001D
H
for BOAR1 register,
001F
H
for BOAR3 register,
Reset value:
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
BOAR0
BOA
71
BOA
70
BOA
61
BOA
60
BOA
51
BOA
50
BOA
41
BOA
40
BOA
31
BOA
30
BOA
21
BOA
20
BOA
11
BOA
10
BOA
01
BOA
00
BOAR1
BOA
151
BOA
150
BOA
141
BOA
140
BOA
131
BOA
130
BOA
121
BOA
120
BOA
111
BOA
110
BOA
101
BOA
100
BOA
91
BOA
90
BOA
81
BOA
80
BOAR2
BOA
231
BOA
230
BOA
221
BOA
220
BOA
211
BOA
210
BOA
201
BOA
200
BOA
191
BOA
190
BOA
181
BOA
180
BOA
171
BOA
170
BOA
161
BOA
160
BOAR3
BOA
311
BOA
310
BOA
301
BOA
300
BOA
291
BOA
290
BOA
281
BOA
280
BOA
271
BOA
270
BOA
271
BOA
260
BOA
251
BOA
250
BOA
241
BOA
240
BOAn1
BOAn0
Output
Advancement
C8_A_io
or C8_B_io
period
8.192 Mb/s
(bit)
16.384 Mb/s
(bit)
0
0
0 ns
0
0
0
0
1
7.5 ns
- 1/16
- 1/16
- 1/8
1
0
15 ns
- 1/8
- 1/8
- 1/4
1
1
22.5 ns
- 3/16
- 3/16
- 3/8
FRAME_A_io
or FRAME_B_io
C64
8 Mb/s Stream
8 Mb/s Stream
advancement is 0ns
BOA=00
advancement is 7.5 ns
BOA=01
Bit 7
Bit 7
8 Mb/s Stream
advancement is 15 ns
BOA=10
Bit 7
8 Mb/s Stream
advancement is 22.5 ns
BOA=11
Bit 7
denotes the starting point of the bit cell
(internal clock)
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