参数资料
型号: ACS8509
元件分类: 数字传输电路
英文描述: ATM/SONET/SDH SUPPORT CIRCUIT, PQFP100
封装: LQFP-100
文件页数: 21/68页
文件大小: 703K
代理商: ACS8509
ADVANCED COMMUNICATIONS
FINAL
DATASHEET
Revision 2.00/January 2006 Semtech Corp.
Page 28
www.semtech.com
ACS8509 SETS
This register holds the status of the reference sources supplied to the other device in
a master/slave configuration. It is a copy of the other device's sts_sources_valid
register. The register is part of the protection mechanism.
Bits (7:6) Reference sources SEC2:SEC1,
Bits (5:0) Unused, set to 0.
11111111
Bits (7:5) Unused.
Bits 4
Reference sources SEC4.
Bit 3
Unused, set to 0.
Bit 2
Reference sources SEC3
Bits (1:0) Unused, set to 0.
XX111111
This register is used to force the device into a desired operating state, represented by
the binary values shown in Figure 10. Value 0 (hex) allows the control state machine
to operate automatically.
Bits (7:3) Unused.
Bits (2:0) Desired operating state (as per Figure 10).
XXXXX000
This register is used to force the device to select a particular input reference source,
irrespective of its priority. Writing to this register temporarily raises the selected input
to priority “1”. Provided no other input is already programmed with priority “1”, and
revertive mode is on, this source will be selected.
Bits (7:4) Unused.
Bits (3:0) 0110 SEC1,
1010 SEC3,
0111 SEC2,
1100 SEC4.
XXXX1111
Table 14 Register Description (cont...)
Addr.
(Hex)
Register Name
Description
Default Value (Bin)
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相关代理商/技术参数
参数描述
ACS8509T 制造商:SEMTECH 制造商全称:Semtech Corporation 功能描述:Synchronous Equipment Timing Source for SONET or SDH Network Elements
ACS8510 制造商:Semtech Corporation 功能描述:Timing Source 100-Pin LQFP
ACS8510_03 制造商:SEMTECH 制造商全称:Semtech Corporation 功能描述:Synchronous Equipment Timing Source for SONET or SDH Network Elements
ACS8510REV2.1 制造商:Semtech Corporation 功能描述:Timing Source 100-Pin LQFP
ACS8510REV2.1SETS 制造商:未知厂家 制造商全称:未知厂家 功能描述:Synchronous Equipment Timing Source for SONET or SDH Network Elements