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LAN9252/ML 数据表(PDF) 70 Page - Microchip Technology

部件名 LAN9252/ML
功能描述  2/3-Port EtherCAT® Slave Controller with Integrated Ethernet PHYs
PDF  329 Pages
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制造商  MICROCHIP [Microchip Technology]
网页  http://www.microchip.com
标志 MICROCHIP - Microchip Technology

LAN9252/ML 数据表(HTML) 70 Page - Microchip Technology

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LAN9252
DS00001909A-page 70
 2015 Microchip Technology Inc.
16-BIT WRITE
The address is latched sequentially from AD[7:0]. AD[15:8] is not used or driven for the address phase. A write on
AD[15:0] follows. The cycle is repeated for the other 16-bits of the DWORD.
16-BIT WRITE WITH SUPPRESSED ALEHI
The address is latched sequentially from AD[7:0]. AD[15:8] is not used or driven for the address phase. A write on
AD[15:0] follows. The lower address is then updated to access the opposite WORD.
FIGURE 9-5:
MULTIPLEXED ADDRESSING WITH DUAL PHASE LATCHING - 16-BIT WRITE
FIGURE 9-6:
MULTIPLEXED ADDRESSING WITH DUAL PHASE LATCHING - 16-BIT WRITE
WITHOUT ALEHI
ALELO
ALEHI
CS
RD
WR
Address Low
Address High
Data 15:8
Data 7:0
Optional
Address+1 Low Address High
Data 31:24
Data 23:16
Optional
AD[15:8]
AD[7:0]
ALELO
ALEHI
CS
RD
WR
Address Low
Address High
Data 15:8
Data 7:0
Optional
Address+1 Low
Data 31:24
Data 23:16
Optional
AD[15:8]
AD[7:0]



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