w83977ctf Winbond Electronics Corp America, w83977ctf Datasheet - Page 132

• Manufacturer Part Number: w83977ctf
• Description: Winbond I/o
• Manufacturer: Winbond Electronics Corp America

CRF6 (Default 0x00)
CRF7 (Default 0x00)
Bit 7: Reserved. Return zero when read.
Bit 6 - 0: Enable bits of the SMI#/SCI# generation due to the device's IRQ.
These bits enable the generation of an SMI#/SCI# interrupt due to any IRQ of the devices.
SMI#/SCI# logic output = (URBIRQEN and URBIRQSTS) or (URAIRQEN and URAIRQSTS) or
(FDCIRQEN and FDCIRQSTS) or (PRTIRQEN and PRTIRQSTS) or (KBCIRQEN and
KBCIRQSTS) or (MOUIRQEN and MOUIRQSTS) or (URCIRQEN and URCIRQSTS) or
(WDTIRQEN and WDTIRQSTS) or (COMIRQEN and COMIRQSTS) or (GP11IRQEN and
GP11IRQSTS) or (GP10IRQEN and GP10IRQSTS)
Bit 4: KBCIRQEN.
Bit 3: PRTIRQEN.
Bit 2: FDCIRQEN.
Bit 1: URAIRQEN.
Bit 0: URBIRQEN.
Bit 7 - 5: Reserved. Return zero when read.
functions.
Bit 6: URCIRQEN.
Bit 5: MOUIRQEN.
Bit 3: Reserved. Return zero when read.
Bit 4 and Bit 2 - 0:Enable bits of the SMI#/SCI# generation due to the individual GPIO IRQ
Bit 4: WDTIRQEN.
= 0
= 1
= 0
= 1
= 0
= 1
= 0
= 1
= 0
= 1
= 0
= 1
= 0
= 1
= 0
= 1
disable the generation of an SMI#/SCI# interrupt due to UART C's IRQ.
enable the generation of an SMI#/SCI# interrupt due to UART C's IRQ.
disable the generation of an SMI#/SCI# interrupt due to MOUSE's IRQ.
enable the generation of an SMI#/SCI# interrupt due to MOUSE's IRQ.
disable the generation of an SMI#/SCI# interrupt due to KBC's IRQ.
enable the generation of an SMI#/SCI# interrupt due to KBC's IRQ.
disable the generation of an SMI#/SCI# interrupt due to printer port's IRQ.
enable the generation of an SMI#/SCI# interrupt due to printer port's IRQ.
disable the generation of an SMI#/SCI# interrupt due to FDC's IRQ.
enable the generation of an SMI#/SCI# interrupt due to FDC's IRQ.
disable the generation of an SMI#/SCI# interrupt due to UART A's IRQ.
enable the generation of an SMI#/SCI# interrupt due to UART A's IRQ.
disable the generation of an SMI#/SCI# interrupt due to UART B's IRQ.
enable the generation of an SMI#/SCI# interrupt due to UART B's IRQ.
disable the generation of an SMI#/SCI# interrupt due to watch dog timer's IRQ.
enable the generation of an SMI#/SCI# interrupt due to watch dog timer's IRQ.
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Publication Release Date: March 1999
W83977EF/ CTF
PRELIMINARY
Revision A1