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DP83256 bảng dữ liệu(PDF) 77 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
tên linh kiện DP83256
Giải thích chi tiết về linh kiện  PLAYERa??Device (FDDI Physical Layer Controller)
PDF  144 Pages
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nhà sản xuất  NSC [National Semiconductor (TI)]
Trang chủ  http://www.national.com
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DP83256 bảng dữ liệu(HTML) 77 Page - National Semiconductor (TI)

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50 Registers (Continued)
533 CMT CONDITION REGISTER (CMTCR)
The CMT Condition Register maintains a history of all CMT events and actions performed The corresponding CMT Condition
Mask Register (CMTCMR) can be used to generate an interrupt When the bits in both the CMTCMR and CMTCR are set the
Receive Condition Register B’s Connection Service Event (RCRBCSE) bit will be set
ACCESS RULES
ADDRESS
READ
WRITE
20h
Always
Conditional
D7
D6
D5
D4
D3
D2
D1
D0
TCO
STE
RES
RES
RES
RES
RES
RES
Bit
Symbol
Description
D0-D5
RES
RESERVED
Reserved for future use
D6
STE
SCRUB TIMER EXPIRED
This bit is set to 1 when the Scrub Timer expires
Note
When STE is set the Configuration Register (CR) is protected
D7
TCO
TRIGGER CONDITION OCCURRED
This bit is set to 1 when a trigger condition is met When a trigger occurs
the values in the Trigger Transmit Mode (TDRTTM2-0) are loaded into the Current Transmit Mode Register
(CTSRTM2-0)
Note
When TCO is set the Current Transmit State Register (CTSR) is protected
77



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