Technical information

7-68
AIC-6915 Ethernet LAN Controller Programmer’s Manual
ForceFunction Register
Type: R/W
Internal Registers Subgroup: PCI Functional Registers
Byte Address: 013Ch - 013Fh
Setting a bit here also sets a bit in the FunctionPresentState register. Since only the
interrupt function is supported, only bit 15 is implemented.
Table 7-86. ForceFunction Register
Bit(s) rw
Reset
Value Description/Function
31:16 r 0
Reserved:
Always reads 0
15 r/w* 0
Intr:
Setting this bit also sets bit 15 in the
F
UNCTION
E
VENT
register,
which causes an interrupt if bit 15 in the
F
UNCTION
I
NTERRUPT
M
ASK
register is set. Writing a 0 has no effect. To clear the interrupt, write a
1 to bit 15 of the
F
UNCTION
E
VENT
register.
14:0 r 0
Reserved:
Always reads 0.