pc87591l National Semiconductor Corporation, pc87591l Datasheet - Page 323
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pc87591l
Manufacturer Part Number
pc87591l
Description
Lpc Mobile Embedded Controllers
Manufacturer
National Semiconductor Corporation
Datasheet
1.PC87591L.pdf
(437 pages)
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Revision 1.07
Host Controller Interface Modules
5.5.5
The MSWC registers are organized in four banks, all of which are battery-backed. The offsets are related to a base address
that is determined by the MSWC Base Address register in the device configuration registers. The lower 19 offsets are com-
mon to the four banks; the upper offsets (13
The active bank is selected through the Configuration Bank Select field (bits 1-0) in the Wake-Up Configuration register
(WK_CFG).
As a programing aid, the registers are described in this chapter according to the following functional groupings:
For a summary of the abbreviations used for Register Type, see “Register Abbreviations and Access” on page 34.
MSWC Host Register Map
The following tables list the MSWC host registers. For the MSWC core register map, see Section 5.5.6 on page 328.
Wake-Up Event Status Register 0 (WK_STS0)
This register is set to 00
events, associated with the register, have occurred. Writing 1 to a bit clears it to 0. Writing 0 has no effect. Bit 6 behaves in
a special way, as described in the table below.
Location: Offset 00
Type: R/W1C
Bit
Name
Reset
Bank 0 is reserved.
Bank 1 is reserved.
Bank 2 holds the Event Routing Configuration and Wake-Up Extension Control registers.
General status
Enable
Configuration
Routing
MSWC Host Registers
Module IRQ
Offset
Offset
Other
Other
00
02
04
06
07
13
15
Status
Event
16
16
16
16
16
16
16
16
Table 44. Banks 0, 1, 2 and 3 - The Common Control and Status Register Map
7
0
16
WK_STS0
WK_EN0
WK_CFG
WK_SIGV
WK_STATE
Reserved
WK_SMIEN0
WK_IRQEN0
Reserved
on V
Table 45. Bank 2 - Event Routing Configuration Register Map
Software
Status
Event
Mnemonic
Mnemonic
PP
6
0
power-up, V
16
-1F
5
0
Wake-Up Event Status 0
Wake-Up Enable 0
Wake-Up Configuration
Wake-Up Signal Value
Wake-Up ACPI State
Wake-Up SMI Enable 0
Wake-Up Interrupt Request Enable 0
CC
16
(Continued)
Reserved
) are divided as follows:
power-up or Host Domain Software reset. It indicates which wake-up
323
4
0
Register Name
Register Name
Status
Event
RING
3
0
Reserved
2
0
Status
Event
R/W1C
RI2
Type
Type
R/W
R/W
R/W
R/W
1
0
WO
RO
www.national.com
Status
Event
RI1
0
0
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