MX98725 Ver la hoja de datos (PDF) - Macronix International
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MX98725 Datasheet PDF : 33 Pages
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MX98725
TABLE 5.2.0 TRANSMIT AUTO POLLING BITS
CSR<18:17>
00
01
10
11
Time Interval
No transmit auto-polling, a write to CSR1 is required to poll
auto-poll every 200 us
auto-poll every 800 us
auto-poll every 1.6 ms
5.2.2 TRANSMIT POLL COMMAND ( CSR1 )
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Transmit Poll command
Field
31:0
Name
TPC
Description
Write only, when written with any value, MX98725 read transmit descriptor list in host
memory pointed by CSR4 and processes the list.
5.2.3 RECEIVE POLL COMMAND ( CSR2 )
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Receive Poll command
Field
31:0
Name
RPC
Description
Write only, when written with any value, MX98725 read receive descriptor list in host
memory pointed by CSR4 and processes the list.
5.2.4 DESCRIPTOR LIST ADDRESS ( CSR3, CSR4 )
CSR3 Receive List Base Address
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Start of Receive List Address
CSR4 Transmit List Base Address
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Start of Transmit List Address
P/N:PM0488
13
REV. 1.7, SEP. 15, 1998
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