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): 48/86頁
文件大?。?/td> 701K
代理商: MT90866AG2
MT90866
Data Sheet
48
Zarlink Semiconductor Inc.
8-6
LG22-LG20
Local Group 2 Mode Select:
These three bits refer to different switching mode for
group 2 (STi8-11 and STo8-11) of the local interface.
5-3
LG12-LG10
Local Group 1 Mode Select:
These three bits refer to different switching modes for
group 1 (STi4-7 and STo4-7) of the local interface.
2-0
LG02-LG00
Local Group 0 Mode Select
: These three bits refer to different switching modes for
group 0 (STi0-3 and STo0-3) of the local interface.
Bit
Name
Description
15-9
Unused
Reserved.
In functional mode, these bits MUST be low.
8-6
BBPD2-0
Backplane Block Programming Data Bits:
These bits carry the value to be loaded into
the backplane connection memory block whenever the Memory Block Programming feature
is activated. After the MBP bit in the control register is set to high and the BPE is set to high,
the contents of the bits BBPD2 - 0 are loaded into bits 15 - 13 of the backplane connection
memory. Bits 12 - 0 of the backplane connection memory are programmed to be zero.
Table 11 - Block Programming Mode (BPM) Register Bits
Bit
Name
Description
Table 10 - Device Mode Selection (DMS) Register Bits (continued)
LG22
0
0
0
0
1
LG21
0
0
1
1
0
LG20
0
1
0
1
0
Switching Mode
8 Mb/s
4 Mb/s
2 Mb/s
4-bit wide subrate
2-bit wide subrate
Usable Streams
STi8-11, STo8-11
STi8-11, STo8-11
STi8-11, STo8-11
STi8-11, STo8-11
STi8-11, STo8-11
LG12
0
0
0
0
1
LG11
0
0
1
1
0
LG10
0
1
0
1
0
Switching Mode
8 Mb/s
4 Mb/s
2 Mb/s
4-bit wide subrate
2-bit wide subrate
Usable Streams
STi4-7, STo4-7
STi4-7, STo4-7
STi4-7, STo4-7
STi4-7, STo4-7
STi4-7, STo4-7
LG02
0
0
0
0
1
LG01
0
0
1
1
0
LG00
0
1
0
1
0
Switching Mode
8 Mb/s
4 Mb/s
2 Mb/s
4-bit wide subrate
2-bit wide subrate
Usable Streams
STi0-3, STo0-3
STi0-3, STo0-3
STi0-3, STo0-3
STi0-3, STo0-3
STi0-3, STo0-3
Read/Write Address: 0002
H
Reset Value: 0000
H
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0
0
0
0
0
0
0
BBPD2
BBPD1
BBPD0
LBPD2
LBPD1
LBPD0
BPE
0
0
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