pc87591l National Semiconductor Corporation, pc87591l Datasheet - Page 344

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

www.national.com
6.0 Host-Controlled Modules and Host Interface
SuperI/O ID Register (SID)
This register contains the identity number of the chip. The PC87591x is identified by the value EC
Location: Index 20
Type: RO
SuperI/O Configuration 1 Register (SIOCF1)
Location: Index 21
Type: Varies per bit
Bit
Name
Reset
Bit
Name
Reset
7-0
3-2
Bit
Bit
0
1
Family ID. These bits identify a family of devices with similar functionality but with different options
implemented.
Type
R/W
R/W
WO
2A
16
Index
2D
2E
SuperI/O Devices Enable. Controls the function enable of all the PC87591x SuperI/O logical devices,
except shared memory and Mobile System Wake-Up Control (MSWC). This bit enables the
simultaneous disabling of these modules using a write to a single bit.
0: All SuperI/O logical devices in the PC87591x are disabled, except MSWC and shared memory
1: Each SuperI/O logical device is enabled according to its Activate register (Index 30
Software Reset. Read always returns 0.
0: Ignored (default)
1: Triggers the Host Domain Software Reset event, which resets the logical devices (see Section 6.1.3
Number of I/O Wait States.
Bits
3 2
0 0:
0 1:
1 0:
1 1:
16
16
- 2C
7
7
0
16
16
on page 341)
Reserved
16
Number
0 (default)
2
6
12
Reserved exclusively for National use
SIOCFD
Reserved exclusively for National use
Mnemonic
Table 55. SuperI/O Configuration Registers (Continued)
6
6
0
SuperI/O Configuration D
Number of DMA Wait
5
5
0
States
Register Name
344
Description
4
4
1
Family ID
Description
EC
16
(Continued)
Number of I/O Wait
3
3
0
States
Power Well
V
PP
2
2
0
16
Software
Reset
.
Type
R/W
1
1
0
16
) (default)
SuperI/O
Devices
Enable
Revision 1.07
0
0
1