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PC87372 датащи(PDF) 68 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
номер детали PC87372
подробное описание детали  LPC SuperI/O with Glue Functions
PDF  144 Pages
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производитель  NSC [National Semiconductor (TI)]
домашняя страница  http://www.national.com
Logo NSC - National Semiconductor (TI)

PC87372 датащи(HTML) 68 Page - National Semiconductor (TI)

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5.0 General-Purpose Input/Output (GPIO) Ports (Continued)
68
www.national.com
Revision 1.2
5.4.3
GPIO Data Out Register (GPDO)
Power Well: VSB3
Location:
Device specific
Type:
R/W or RO
5.4.4
GPIO Data In Register (GPDI)
Power Well: VSB3
Location:
Device specific
Type:
RO
Bit
76543210
Name
DATAOUT
Reset
11111111
Bit
Description
7-0
DATAOUT (Data Out). Bits 7-0 correspond to pins 7-0 of the specific Port. The value of each bit determines the
value driven on the corresponding GPIO pin when its output buffer is enabled. Writing to the bit latches the
written data unless the bit is locked by the GPCFG register Lock bit. Reading the bit returns its value regardless
of the pin value and configuration.
0: Corresponding pin driven to low
1: Corresponding pin driven or released (according to buffer type selection) to high (default)
Bit
76543210
Name
DATAIN
Reset
XXXXXXXX
Bit
Description
7-0
DATAIN (Data In). Bits 7-0 correspond to pins 7-0 of the specific Port. Reading each bit returns the value of the
corresponding GPIO pin. Pin configuration and the GPDO register value may influence the pin value. Write is
ignored.
0: Corresponding pin level low
1: Corresponding pin level high



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