參數(shù)資料
型號(hào)： PM7351-BI
廠商： PMC-SIERRA INC
元件分類： 數(shù)字傳輸電路
英文描述： OCTAL SERIAL LINK MULTIPLEXER
中文描述： ATM/SONET/SDH SUPPORT CIRCUIT, PBGA304
封裝： 31 X 31 MM, 1.51 MM HEIGHT, 1.27 MM PITCH, SBGA-304
文件頁數(shù)： 65/174頁
文件大?。?/td> 1790K
代理商： PM7351-BI
RELEASED
PM7351 S/UNI-VORTEX
DATA SHEET
PMC-1980582
ISSUE 5
OCTAL SERIAL LINK MULTIPLEXER
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE
55
10
NORMAL MODE REGISTER DESCRIPTION
Normal mode registers are used to configure and monitor the operation of the
S/UNI-DUPLEX. Normal mode registers (as opposed to test mode registers) are
selected when TRS (A[8]) is low.
Notes on Normal Mode Register Bits:
1. Writing values into unused register bits has no effect. However, to ensure
software compatibility with future, feature-enhanced versions of the product,
unused register bits must be written with logic zero. Reading back unused bits
can produce either a logic one or a logic zero; hence, unused register bits should
be masked off by software when read.
2. All configuration bits that can be written into can also be read back. This allows
the processor controlling the S/UNI-VORTEX to determine the programming
state of the block.
3. Writeable normal mode register bits are cleared to logic zero upon reset unless
otherwise noted.
4. Writing into read-only normal mode register bit locations does not affect S/UNI-
VORTEX operation unless otherwise noted.
5. Certain register bits are reserved. These bits are associated with megacell
functions that are unused in this application. To ensure that the S/UNI-VORTEX
operates as intended, reserved register bits must only be written with logic zero.
Similarly, writing to reserved registers should be avoided.
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