FIQACK
R
Addr.: 0x5000_0018 Default:
0xFFFF_FFFF
Description
Fast interrupt vector register with FIQ acknowledge
Confirmation of fast interrupt request by reading the associated
interrupt vector
Bit No.
Name
Description
2 – 0
FIVEC
Binary code of FIQ number
31 – 3
Vector ID
Valid FIQ vector: always ‘1’.
Default vector: always ‘1’ (also bits 2 – 0).
IRCLVEC
W
Addr.: 0x5000_001C
Default: ----
Description
Interrupt request clear vector
Immediate deletion of an interrupt request in the interrupt request register
Bit No.
Name
Description
3 – 0
IRCLVEC
Binary code of the input number of the request to be deleted
7 unused
MASKALL
R/
W
Addr.: 0x5000_0020
Default: '1'
Description
Mask all Interrupts
Global disable for all IRQ interrupt inputs
Bit No.
Name
Description
0
MASKALL
'0' = Enable all non-masked IRQ interrupt inputs
(consideration given to set mask bits)
'1' = Global disable for all IRQ interrupt inputs
(independent of the interrupt mask)
IRQEND
W
Addr.: 0x5000_0024
Default: ----
Description End-of-interrupt
(IRQ)
Communicates to the IRQ interrupt controller the completion of the interrupt service routine
associated with the current request
Bit No.
Name
Description
Not
used
FIQEND
W
Addr.: 0x5000_0028
Default: ----
Description End-of-interrupt
(FIQ)
Communicates to the FIQ interrupt controller the completion of the interrupt service routine
associated with the fast interrupt request
Bit No.
Name
Description
Not
used
FIQPR0
R/W
Addr.: 0x5000_002C
Default: 0x0000_0007
…
….
FIQPR7
R/W
Addr.: 0x5000_0048
Default: 0x0000_0007
Description
FIQ priority registers
Priority of the fast interrupt request at input FIQ0 to FIQ7 of the FIQ interrupt controller
Bit No.
Name
Description
2 – 0
FIQPR0 to 7
Binary code of the priority
7 – 3
Not used
FIQISR
R
Addr.: 0x5000_004C
Default: 0x0000_0000
Description
FIQ in-service register
Indication of the fast interrupt requests confirmed by the CPU
Bit No.
Name
Description
7 – 0
FIQISR
Inputs 0 to 7 of the FIQ interrupt controller
'0'
= Fast interrupt request not confirmed
'1'
= Fast interrupt request has been confirmed
Copyright © Siemens AG 2007. All rights reserved.
28
ERTEC 200 Manual
Technical data subject to change
Version 1.1.0