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PC87373 Datasheet(PDF) 45 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part # PC87373
Description  LPC SuperI/O with Glue Functions
PDF  174 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

PC87373 Datasheet(HTML) 45 Page - National Semiconductor (TI)

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3.0 Device Architecture and Configuration (Continued)
45
www.national.com
Revision 1.1
3.7.3
SuperI/O Configuration 2 Register (SIOCF2)
Power Well: VSB3
Location:
Index 22h
Type:
R/W or RO
Bit
76
5
43210
Name
PMEPOL
PMETYPE
TACH2EN
TACH1EN
Reserved
TACH3EN
GPIO03EN
Reset
0
0
0
00000
Bit
Description
7
PMEPOL (SIOPME Polarity). Selects the polarity of the SIOPME signal.
0: SIOPME is active low (default)
1: SIOPME is active high
6
PMETYPE (SIOPME Buffer Type). Selects the output buffer type of the SIOPME pin.
0: Output is open-drain and the pull-up resistor is enabled (default)
1: Output is push-pull (the pull-up resistor is disabled)
5
TACH2EN (FANTACH2 Multiplex Control). Selects the function connected to pin 112.
0: GPIOE07 port: GPIO (default)
1: FANTACH2: FSCM
4
TACH1EN (FANTACH1 Multiplex Control). Selects the function connected to pin 111.
0: GPIOE06 port: GPIO (default)
1: FANTACH1: FSCM
3-2
Reserved.
1
TACH3EN (FANTACH3 Multiplex Control). Selects the function connected to the GPIOE01/FANTACH3 pin.
0: GPIOE01 port: GPIO (default)
1: FANTACH3: FSCM
0
GPIO03EN (GPIOE10-GPIOE13 Multiplex Control). Selects the functions connected to pins 113-116.
0: 5V_DDCSDA, 5V_DDCSCL, 3V_DDCSDA, 3V_DDCSCL: Glue Functions (default)
1: GPIOE10-GPIOE13 ports: GPIO



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