Siemens ERTEC200 User Manual
Page 29
FIQIRR
R
Addr.: 0x5000_0050
Default: 0x0000_0020
Description
FIQ request register
Indication of the fast interrupt request detected with a positive edge
Bit No.
Name
Description
7 – 0
FIQIRR
Inputs 0 to 7 of the FIQ interrupt controller
'0' = No request
'1' = Request is occurred
FIQ_MASKREG
R/W
Addr.: 0x5000_0054
Default: 0x0000_00FF
Description
Interrupt mask register for FIQ
Enable/disable of FIQ interrupt inputs
Bit No.
Name
Description
7 – 0
FIQ_MASKREG
FIQ interrupt input 0 to 7
0' = Interrupt input enabled
'1' = Interrupt input disabled
IRREG
R
Addr.: 0x5000_0058
Default:0x0000_01xx
Description
Interrupt request register
Storage of interrupt requests that have occurred
Bit No.
Name
Description
15 – 0
IRREG
Interrupt input 0 to 15
0=Interrupt request inactive/1=Interrupt request active
Bit 5, 4, 3, 2 depending on GPIO 31, 30, 1, 0
MASKREG
R/W
Addr.: 0x5000_005C
Default: 0x0000_FFFF
Description
Interrupt mask register
Enable/disable of interrupt inputs
Bit No.
Name
Description
15 – 0
MASKREG
Interrupt input 0 to 15
0=Interrupt input enabled/1=Interrupt input disabled
ISREG
R
Addr.: 0x5000_0060
Default: 0x0000_0000
Description In-service
register
Indication of the interrupt requests confirmed by the CPU
Bit No.
Name
Description
15 – 0
ISREG
Interrupt input 0 to 15
0=Interrupt request not confirmed
1=Interrupt request has been confirmed
TRIGREG
R/W
Addr.: 0x5000_0064
Default: 0x0000_0000
Description
Trigger select register
Selection of interrupt detection
Bit No.
Name
Description
15 – 0
TRIGREG
Interrupt input 0 to 15
0=Interrupt detection via edge
1=Interrupt detection via level
EDGEREG
R/W
Addr.: 0x5000_0068
Default: 0x0000_0000
Description
Edge select register
Edge selection for interrupt detection
(only if edge detection is specified for the associated input)
Bit No.
Name
Description
15 – 0
EDGEREG
Interrupt input 0 to 15
0=Interrupt detection via positive edge
1=Interrupt detection via negative edge
Copyright © Siemens AG 2007. All rights reserved.
29
ERTEC 200 Manual
Technical data subject to change Version 1.1.0