X5114 Datasheet, PDF (15/40 Pages) Xicor Inc. – System Controller

X5114
IRQ Mask Register (IAM and IBM)
IAM7 IAM6 IAM5 IAM4 IAM3 IAM2 IAM1 IAM0
Nonvolatile
MSB
LSB
IBM7 IBM6 IBM5 IBM4 IBM3 IBM2 IBM1 IBM0
Nonvolatile
MSB
LSB
IAM7-
IAM0
0
1
IBM7-
IBM0
0
1
Port A Interrupt Mask
Enables the Input/Output Error - Fault Mon-
itoring on the corresponding Port A I/O pin
Disables the Input/Output Error - Fault
Monitoring on the corresponding Port A I/O
pin.
Port B Interrupt Mask
Enables the Input/Output Error - Fault Mon-
itoring on the corresponding Port B I/O pin
Disables the Input/Output Error - Fault
Monitoring on the corresponding Port B I/O
pin.
IRQ Error Register (IAE and IBE)
IAE7 IAE6 IAE5 IAE4 IAE3 IAE2 IAE1 IAE0
Volatile (Read only)
MSB
LSB
IBE7 IBE6 IBE5 IBE4 IBE3 IBE2 IBE1 IBE0
Volatile (Read only)
MSB
LSB
IAE7– Interrupt A Error Flags
IAE0
0
no, the Port A I/O has no error (Fault
Monitoring)
1
yes, the Port A I/O has an error (Fault
Monitoring)
IBE7– Interrupt B Error Flags
IBE0
0
no, the Port B I/O has no error (Fault
Monitoring)
1
yes, the Port B I/O has an error (Fault
Monitoring)
IRQ Configuration Register (ICR)
0 ORAB ENFC ERDR EXRE EIOE ENA ENB
Fixed
Nonvolatile
MSB
LSB
ORAB IRQA/IRQB Routing
IRQA and IRQB individually represent Port A
0 and Port B interrupt status and are not ORed
together
1
IRQA and IRQB provide redundancy and are
ORed together
ENFC Failed Command Interrupt configuration
0
disables interrupt generated by Failed Com-
mand
1
enables interrupt generated by Failed Com-
mand
ERDR Receive Data Ready interrupt configuration
0 disables IRQA generated by the RDR flag
1 enables IRQA generated by the RDR flag.
EXRE XRE interrupt configuration
0 disables IRQA generated by XRE flag
1 enables IRQA generated by XRE flag
EIOE Input/Output Error interrupt configuration
0
disables interrupt generated by Input/Output
Error
1
enables interrupt generated by Input/Output
Error
ENA IRQA output configuration
0 disables IRQA interrupt output
1 enables IRQA interrupt output
ENB IRQB output configuration
0 disables IRQB interrupt output
1 enables IRQB interrupt output
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