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PC87413 데이터시트(PDF) 140 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
부품명 PC87413
상세설명  LPC ServerI/O for Servers and Workstations
PDF  257 Pages
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제조업체  NSC [National Semiconductor (TI)]
홈페이지  http://www.national.com
Logo NSC - National Semiconductor (TI)

PC87413 데이터시트(HTML) 140 Page - National Semiconductor (TI)

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7.0 General-Purpose Input/Output (GPIO) Ports (Continued)
www.national.com
140
Revision1.2
7.4.2
GPIO Port Runtime Register Map
All these registers are VSB powered.
7.4.3
GPIO Data Out Register (GPDO)
Power Well:VSB
Location:Device specific
Type:
R/W
7.4.4
GPIO Data In Register (GPDI)
Power Well:VSB
Location:Device specific
Type:
RO
Offset
Mnemonic
Register Name
Type
Power Well
Reset
Section
Device specific1
1. The location of this register is defined in Section 3.14.1 on page 70.
GPDO
GPIO Data Out
R/W
VSB
FFh
7.4.3
Device specific1
GPDI
GPIO Data In
RO
VSB
-
7.4.4
Device specific1
GPEVEN
GPIO Event Enable
R/W
VSB
00h
7.4.5
Device specific1
GPEVST
GPIO Event Status
R/W1C
VSB
00h
7.4.6
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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