STE100A ST Microelectronics, Inc., STE100A Datasheet - Page 38

• Manufacturer Part Number: STE100A
• Description: PCI 10/100 Ethernet Controller with Integrated PHY (3.3v)
• Manufacturer: ST Microelectronics, Inc.

Registers and descriptors description
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Table 6.
1. R/W1C: Read only and write one cleared
Bit #
7~2
1,0
PWRS
Configuration registers description (continued)
Name
---
Reserved
PowerState. This two bit field is used both to
determine the current power state of the
STE10/100A and to place the STE10/100A in a new
power state. The definition of this field is given
below.
00b - D0
01b - D1
10b - D2
11b - D3hot
If software attempts to write an unsupported state to
this field, the write operation will complete normally
on the bus, but the data is discarded and no state
change occurs.
Description
000000b
Default
00b
STE10/100A
RW type
R/W
RO