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)： 46/86頁
文件大小： 701K
代理商： MT90866AG2
MT90866
Data Sheet
46
Zarlink Semiconductor Inc.
22.0 Register Descriptions
Bit
Name
Description
15-14
Unused
Reserved.
13-12
STS3-2
ST-BUS Frame Pulse and Clock Output Selection 1:
These two bits are used to select
different ST-BUS output frame pulse (ST_FPo1) and clock (ST_CKo1).
11-10
STS1-0
ST-BUS Frame Pulse and Clock Output Selection 0:
These two bits are used to select
different ST-BUS output frame pulse (ST_FPo0) and clock (ST_CKo0).
9
PRST
PRBS Reset:
When high, the PRBS transmitter output will be initialized.
8
CBERB
Backplane Bit Error Rate Clear:
A low to high transition of this bit will reset the
backplane internal bit error counter and the backplane BER register (BBERR).
7
SBERB
Backplane Start Bit Error Rate Test:
A low to high transition in this bit starts the
backplane bit error rate test. The bit error test result is kept in the backplane BER register
(BBERR).
6
CBERL
Local Bit Error Rate Clear:
A low to high transition of this bit will reset the local internal
bit error counter and the BER register (LBERR).
5
SBERL
Local Start Bit Error Rate Test:
A low to high transition in this bit starts the local bit error
rate test. The bit error test result is kept in the local BER register (LBERR).
4
Unused
Reserved.
In functional mode, this bit MUST be low.
3
MBP
Memory Block Programming:
When this bit is high, the connection memory block
programming feature is ready for the programming of bit 13 to bit 15 of the backplane
connection memory and local connection memory low. When it is low this feature is
disabled.
Table 9 - Control Register (CR) Bits
Read/Write Address: 0000
H
Reset Value: 0000
H
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0
0
STS3
STS2
STS1
STS0
PRST
CBEBB
SBERB
CBERL
SBERL
0
MBP
MS2
MS1
MS0
STS3
0
0
1
STS2 ST_FPo1 Pulse Width
0
1
0
ST_CKo1 Freq
4.096 MHz
8.192 MHz
16.384 MHz
244 ns
122 ns
61 ns
STS1
STS0 ST_FPo0 Pulse Width
ST_CKo0 Freq
0
0
244 ns
4.096 MHz
0
1
122 ns
8.192 MHz
1
0
61 ns
16.384 MHz
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MT90866AL 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:WAN Access Switch
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