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PC87351 Datasheet(PDF) 56 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part # PC87351
Description  PC87351 PC98 and ACPI Compliant SuperI/O with System Wake-Up Control
PDF  86 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

PC87351 Datasheet(HTML) 56 Page - National Semiconductor (TI)

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3.0 System Wake-Up Control (SWC) (Continued)
56
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3.4.8
PS/2 Keyboard Key Data Registers (PS2KEY0 - PS2KEY7)
The following eight registers (PS2KEY0-PS2KEY7) store the scan codes for the password or key sequence of the Keyboard
wake-up feature.
The first register (PS2KEY0) stores the scan code for the first key in the password/key sequence.
The second register (PS2KEY1) stores the scan code for the second key in the password/key sequence.
The third to eighth registers (PS2KEY2 - PS2KEY7) store the scan code for the third to eighth keys in the password/key
sequence.
These registers are set to 00h on power-up of VPP or software reset.
Location:
Offset 08h-0Fh
Type:
R/W
3.5
SWC REGISTER BITMAP
Bit
76543210
Name
Scan Code of Keys 0-7
Reset
00000000
Register
Bits
Offset
Mnemonic
76543210
00h
WKCR
PME2
Event
Enable
PME1
Event
Enable
Reserved
Mouse
Event
Enable
KBD
Event
Enable
RING
Event
Enable
RI2
Event
Enable
RI1
Event
Enable
01h
WKSR
PME2
Event
Status
PME1
Evemt
Status
Reserved
Mouse
Event
Status
KBD
Event
Status
RING
Event
Status
RI2
Event
Status
RI1
Event
Status
02h
WKCFG
Reserved
PME2
Type
PME2
Polarity
PME1
Type
PME1
Polarity
Swap KBC
Inputs
Reserved
03h
PS2CTL
Disable
Parity
Check
Mouse Wake-Up Configuration
Keyboard Wake-Up Configuration
06h
KDSR
Keyboard Data
07h
MDSR
Reserved
Mouse Data
08-0F
PS2KEY0-
PS2KEY7
Scan Code of Keys 0-7



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