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PC87366 Fiches technique(PDF) 112 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
No de pièce PC87366
Description  128-Pin LPC SuperI/O with System Hardware Monitoring, MIDI and Game Ports
PDF  240 Pages
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Fabricant  NSC [National Semiconductor (TI)]
Site Internet  http://www.national.com
Logo NSC - National Semiconductor (TI)

PC87366 Fiches technique(HTML) 112 Page - National Semiconductor (TI)

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3.0 System Wake-Up Control (SWC) (Continued)
112
www.national.com
Figure 10. SBGPIO Port Architecture
Basic Functionality
The basic functionality of each SBGPIO pin is based on four configuration bits and a bit slice of runtime registers SBGPDO
and SBGPDI. The configuration and operation of a single pin (pin n in port X) is shown in Figure 11.
Figure 11. SBGPIO Basic Functionality
SBGPIO Pin
SBGPIO Pin
Select Register
Configuration Register
SBGPDOX
SBGPDIX
Runtime
Registers
SBGPIOX Base Address
Event
Bit n
Port and Pin
8 SBGPIO Pin Configuration
Registers
x8
SBGPIO Port X
Pin n
x8
SBGPIOXn CNFG
x8
SBGPIOXn
Pin Logic
X = port number
n = pin number, 0 to 7
Pending
Indicator
Select
To Wake-Up
Logic
Pin
Data Out
Data In
Output
Enable
Output
Internal
Bus
Lock
Type
Static
Pull-Up
Pull-Up
Enable
SBGPIO Pin Configuration Register
Push-Pull=1
Pull-Up
Control
Read Only
Read/Write
Bit 3
Bit 2
Bit 1
Bit 0



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