Intel CONTROLLERS 413808 - Manual (Page 600)

Intel
®
413808 and 413812—Interrupt Controller Unit
Intel ® 413808 and 413812 I/O Controllers in TPER Mode
Developer’s Manual October 2007
600 Order Number: 317805-001US
10.7.14 Interrupt Steering Register 1 — INTSTR1
The Interrupt Steering Register 1 allows system designers to direct any of 32 internal
or external interrupt sources to either one of the two internal interrupt exceptions, FIQ
and IRQ.
When an interrupt is enabled with the INTCTL1 register, this register steers the
interrupt to an internal interrupt exception.
Table 396. Interrupt Steering Register 1 — INTSTR1 (Sheet 1 of 2)
Bit Default Description
31 0
2
Reserved.
30 0
2
Messaging Unit Error Interrupt Steering
0 = Interrupt Directed to Internal IRQ
1 = Interrupt Directed to Internal FIQ
29:28 0
2
Reserved.
27 0
2
Reserved.
26 0
2
Reserved.
25 0
2
Reserved.
24 0
2
Reserved.
23 0
2
ATU Error Interrupt Steering
0 = Interrupt Directed to Internal IRQ
1 = Interrupt Directed to Internal FIQ
22 0
2
ATU Configuration Register Update Interrupt
0 = Interrupt Directed to Internal IRQ
1 = Interrupt Directed to Internal FIQ
21 0
2
Peripheral Bus Interface Unit Error Interrupt Steering
0 = Interrupt Directed to Internal IRQ
1 = Interrupt Directed to Internal FIQ
20 0
2
UART 1 Interrupt Steering
0 = Interrupt Directed to Internal IRQ
1 = Interrupt Directed to Internal FIQ
19 0
2
UART 0 Interrupt Steering
0 = Interrupt Directed to Internal IRQ
1 = Interrupt Directed to Internal FIQ
18:08 0000H Reserved.
07 0
2
XINT15# Interrupt Steering
0 = Interrupt Directed to Internal IRQ
1 = Interrupt Directed to Internal FIQ
06 0
2
XINT14# Interrupt Steering
0 = Interrupt Directed to Internal IRQ
1 = Interrupt Directed to Internal FIQ
Memory
Coprocessor
Attributes
Attributes
28 24 20 16 12 8 4 0 31
rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw
na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na
Attribute Legend:
RV = Reserved
PR = Preserved
RS = Read/Set
RW = Read/Write
RC = Read Clear
RO = Read Only
NA = Not Accessible
Intel XScale ® processor Coprocessor
address
CP6, Page 5, Register 1