EP80579 Datasheet, PDF (805/1916 Pages) Intel Corporation – Intel® EP80579 Integrated Processor Product Line

Intel^® EP80579 Integrated Processor
22.1.1
GPIO Summary Table
Some GPIOs exist in the resume power plane. Care must be taken to make sure GPIO
signals are not driven high into powered-down planes.
Some GPIOs may be connected to pins on devices that exist in the core well. If these
GPIOs are outputs, there is a danger that a loss of core power (PWROK low) or a Power
Button Override event results inCMI driving a pin to a logic ‘1’ to another device that is
powered down.
The following table summarizes the GPIOs.
Table 22-2. GPIO Summary Table (Sheet 1 of 2)
GPIO#
0
1
2:5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
PowerWell
Core
Core
Core
Core
Core
Resume
Resume
Resume
Resume
Core
Core
Resume
Resume
Core
Muxed
No
No
Yes
No
No
No
No
No
Yes
No
No
No
No
Yes
Core
Yes
Core
Yes
Core
Yes
Core
Yes
Core
Yes
Unimplemented
Core
Yes
Resume
Yes
Resume
Yes
Core
Yes
GPIO_USE_SEL
Always 1
Always 1
1 when GPIO, 0
when PIRQ[E-H]#
Always 1
Always 1
Always 1
Always 1
Always 1
RW – D=0
Always 1
Always 1
Always 1
Always 1
1 when GPIO,
0 when IRQ
1 when GPIO,
0 when IRQ
1 when GPIO,
0 when IRQ
1 when GPIO,
0 when IRQ
1 when GPIO,
0 when IRQ
1 when GPIO,
0 when IRQ
Always 0
1 when GPIO,
0 when IRQ
1 when GPIO,
0 when IRQ
1 when GPIO,
0 when IRQ
RW – D=0
GP_IO_SEL
Always 1
Always 1
Always 1
Always 1
Always 1
Always 1
Always 1
Always 1
Always 1
Always 1
Always 1
Always 1
Always 1
0 when GPIO, 1
when IRQ
0 when GPIO, 1
when IRQ
0 when GPIO, 1
when IRQ
0 when GPIO, 1
when IRQ
0 when GPIO, 1
when IRQ
0 when GPIO, 1
when IRQ
Always 0
0 when GPIO, 1
when IRQ
1 when IRQ,
0/1 when GPIO
1 when IRQ,
0/1 when GPIO
Always 1
GP_LVL
Always 0
Always 0
Always 0
Always 0
Always 0
Always 0
Always 0
Always 0
Always 0
Always 0
Always 0
Always 0
Always 0
RW – D=1
RW – D=1
RW – D=1
RW – D=1
RW – D=1
RW – D=1
Reserved 0
RW – D=0
RW – D=1
RW – D=1
Always 1
GPO_BLINK
Always 0
Always 0
Always 0
Always 0
Always 0
Always 0
Always 0
Always 0
Always 0
Always 0
Always 0
Always 0
Always 0
Always 0
GPI_INV
RW – D=0
RW – D=0
RW – D=0
RW – D=0
RW – D=0
RW – D=0
RW – D=0
RW – D=0
RW – D=0
RW – D=0
RW – D=0
RW – D=0
RW – D=0
Always 0
Always 0
Always 0
RW – D=1
Always 0
RW – D=0
Always 0
Always 0
Always 0
Always 0
Always 0
Always 0
Always 0
Reserved 0
Always 0
Always 0
Always 0
RW – D=0
Always 0
Always 0
Always 0
August 2009
Order Number: 320066-003US
Intel^® EP80579 Integrated Processor Product Line Datasheet
805