Specification Sheet

IMGU Registers
350 Datasheet, Volume 2 of 2
11.14 Interrupt Line (INTRLINE)—Offset 3Ch
Access Method
Default: 0h
11.15 Interrupt Pin (INTRPIN)—Offset 3Dh
This register specifies which interrupt pin this device uses.
Access Method
Default: 1h
Type: CFG
(Size: 8 bits)
Offset: [B:0, D:5, F:0] + 3Ch
7 4 0
0 0 0 0 0 0 0 0
INTCON
Bit
Range
Default &
Access
Field Name (ID): Description
7:0
0h
RW
INTCON: Used to communicate interrupt line routing information.
BIOS Requirement: POST software writes the routing information into this register
as it initializes and configures the system.
The value indicates to which input of the system interrupt controller this device's
interrupt pin is connected.
Type: CFG
(Size: 8 bits)
Offset: [B:0, D:5, F:0] + 3Dh
7 4 0
0 0 0 0 0 0 0 1
INTPIN
Bit
Range
Default &
Access
Field Name (ID): Description
7:0
1h
RO
INTPIN: As a single function device, the IMGU device specifies INTA as its interrupt
pin. 01h=INTA.