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PC87413 датащи(PDF) 191 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
номер детали PC87413
подробное описание детали  LPC ServerI/O for Servers and Workstations
PDF  257 Pages
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производитель  NSC [National Semiconductor (TI)]
домашняя страница  http://www.national.com
Logo NSC - National Semiconductor (TI)

PC87413 датащи(HTML) 191 Page - National Semiconductor (TI)

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9.0 System Wake-Up Control (SWC) (Continued)
Revision 1.2
191
www.national.com
9.3.13
LED Blink Control Register (LEDBLNK)
This register controls the blinking rate of the two LEDs driven by the PC8741x device. It is reset by hardware to 70h.
Power Well:VPP
Location: All Banks, Offset 0Bh
Type:
R/W
9.3.14
BIOS General-Purpose Scratch Register (BIOSGPR)
This register may be used by the BIOS for general-purpose battery-backed data storage. It is reset by hardware to 00h.
Power Well:VPP
Location: All Banks, Offset 0Eh
Type:
R/W
Bit
76
5
43210
Name
Reserved
LED2BLNK
Reserved
LED1BLNK
Reset
0
1
1
10000
Bit
Description
7
Reserved.
6-4
LED2BLNK (LED2 Blink Rate). These bits control the blinking rate of LED2 output.
Bits
6 5 4
Rate (Hz)
Duty Cycle
0 0 0:
Off
Always inactive
0 0 1:
0.25
12.5%
0 1 0:
0.5
25%
0 1 1:
1
50%
1 0 0:
2
50%
1 0 1:
3
50%
1 1 0:
4
50%
1 1 1:
On
Always active (default)
3
Reserved.
2-0
LED1BLNK (LED1 Blink Rate). These bits control the blinking rate of LED1 output.
Bits
2 1 0
Rate (Hz)
Duty Cycle
0 0 0:
Off
Always inactive (default)
0 0 1:
0.25
12.5%
0 1 0:
0.5
25%
0 1 1:
1
50%
1 0 0:
2
50%
1 0 1:
3
50%
1 1 0:
4
50%
1 1 1:
On
Always active
Bit
76
5
43210
Name
General-Purpose Scratch
Reset
0
0
0
00000
Bit
Description
7-0
General-Purpose Scratch



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