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Software Developer’s Manual 255
Register Descriptions
13.4.7.1.8 Next Page Transmit Register
NPT (07d; R/W)
Table 13-26. Next Page Transmit Register Bit Description
Field Bit(s) Description Mode HW Rst SW Rst
Message/
Unformatted Field
10:0
Transmit Code Word Bit 10:0.
82541xx and 82547GI/EI only:
11-bit message code field.
R/W 001h 001h
Toggle 11
Transmit Code Word Bit 11.
82541xx and 82547GI/EI only:
1b = Previous value of the transmitted
Link Code Word = logical 0.
0b = Previous value of the transmitted
Link Code Word = logical 1.
RO 0b 0b
Acknowledge 2 12
Transmit Code Word Bit 12.
82541xx and 82547GI/EI only:
1b = Complies with message.
0b = Cannot comply with message.
R/W 0b 0b
Message Page 13
Transmit Code Word Bit 13.
82541xx and 82547GI/EI only:
1b = Message page.
0b = Unformatted page.
R/W
1b
0b
1
1. 82541xx and 82547GI/EI only.
1b
0b
1
Reserved 14
Transmit Code Word Bit 14.
82541xx and 82547GI/EI only:
Always read as 0b. Write to 0b for
normal operation.
RO 0b 0b
Next Page 15
Transmit Code Word Bit 15.
A write to the NPT Register implicitly
sets a variable in the Auto-Negotiation
state machine.
82541xx and 82547GI/EI only:
1b = Additional next pages follow.
0b = Last page.
R/W 0b 0b