FDC37B787-NS Standard Microsystems (SMSC), FDC37B787-NS Datasheet - Page 125

• Manufacturer Part Number: FDC37B787-NS
• Manufacturer: Standard Microsystems (SMSC)

Specifications of FDC37B787-NS

• Pin Count: 128
• Lead Free Status / RoHS Status: Compliant

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