pc87591l National Semiconductor Corporation, pc87591l Datasheet - Page 347

• Manufacturer Part Number: pc87591l
• Description: Lpc Mobile Embedded Controllers
• Manufacturer: National Semiconductor Corporation

Revision 1.07
6.0 Host-Controlled Modules and Host Interface
SuperI/O Configuration 9 Register (SIOCF9)
Location: Index 29
Type: R/W
SuperI/O Configuration D Register (SIOCFD)
This is a battery-backed register.
Location: Index 2D
Type: R/W
Bit
Name
Reset
Bit
Name
Reset
7-0
7-2
Bit
Bit
0
1
Reserved.
Power Button Mode. This is a R/W bit. The value of this bit is available to the core through a register in the
MSWC; see Section 5.5 on page 318.
0: Legacy (default at V
1: ACPI
Power Supply Off. This is a R/W bit. It always returns 0 when read. When using Legacy mode (bit 0 is set to
0) and setting this bit to 1, this bit indicates to the core that the host requests shutting down the power. The
value of this bit is available to the core by reading a register in the MSWC; see Section 5.5 on page 318.
0: No action (default at V
1: Indicates power shut down to the core in Legacy mode
Reserved.
16
16
7
0
7
0
CC
6
0
6
0
PP
Power-Up reset)
Power-Up reset)
5
0
5
0
Reserved
Reserved
Description
Description
347
4
0
4
0
(Continued)
3
0
3
0
2
0
2
0
Supply Off
Power
1
0
1
0
Reserved
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Button
Power
Mode
0
1
0
0