FDC37B78X SMSC Corporation, FDC37B78X Datasheet - Page 127

• Manufacturer Part Number: FDC37B78X
• Description: Enhanced Super I/O Controller with ACPI Support/ Real Time Clock and Consumer IR
• Manufacturer: SMSC Corporation

GPx_nIOW
GPIO OPERATION
The operation of the GPIO ports is illustrated in FIGURE 3.
purposes only and is not intended to suggest specific implementation details.
GPx_nIOR
SD-bit
Data Register
Transparent
D-TYPE
Q
D
Bit-n
GPIO
Q
D
FIGURE 3 - GPIO FUNCTION ILLUSTRATION
0
1
127
GPIO
Configuration
Register bit-2 or 5
(GROUP INT. ENABLE)
GP Group Interrupts (1 or 2)
GPIO
Configuration
Register bit-1
(Polarity)
Note: FIGURE 3 is for illustration
1
0
GPIO
Configuration
Register bit-0
(Input/Output)
GPIO
PIN