Intel i960 Series User Manual

HARDWARE REFERENCE A
3-30
12
Retry Abort Enable:
0 - enable the PCI 9060 to attempt Master Retries indefinitely.
1 - enable the PCI 9060 to treat 256 Master consecutive retries to a Target as a Target
Abort.
Yes Yes 0
13 PCI doorbell interrupt: 0 - not active; 1 - active. Yes No 0
14 PCI abort interrupt: 0 - not active; 1 - active. Yes No 0
15 Local interrupt: 0 - not active; 1 - active. Yes No 0
16 Local interrupt enable: 0 -disable; 1 - enable. Yes Yes 1
17
Local doorbell interrupt enable: 0 -disable; 1 - enable.
Used in conjunction with Local interrupt enable. Clear the Local doorbell interrupt bits
causing the interrupt to clear the interrupt.
Yes Yes 0
18
Local DMA channel 0 interrupt enable: 0 - disable; 1 - enable.
Used in conjunction with Local interrupt enable. Clear the DMA status bits to clear the
interrupt.
Yes Yes 0
19
Local DMA channel 1 interrupt enable: 0 - disable; 1 - enable.
Used in conjunction with Local interrupt enable. Clear the DMA status bits to clear the
interrupt.
Yes Yes 0
20 Local doorbell interrupt: 0 - not active; 1 - active. Yes No 0
21 DMA channel 0 interrupt: 0 - not active; 1 - active. Yes No 0
22 DMA channel 1 interrupt: 0 - not active; 1 - active. Yes No 0
23
BIST interrupt: 0 - not active; 1 - active.
The BIST (built in self test) interrupt is generated by writing a 1 to bit 6 of the PCI
Configuration BIST register. Clearing bit 6 clears the interrupt. Refer to the BIST
register for a description of self test.
Yes No 0
24
Direct Master Bus Master indicator:
0- a Direct Master was not the bus master during a Master or Target abort.
1 - a Direct Master was the bus master during a Master or Target abort.
Yes No 0
25
DMA Channel 0 Bus Master indicator:
0 - DMA Channel 0 was not the bus master during a Master or Target abort.
1 - DMA Channel 0 was the bus master during a Master or Target abort.
Yes No 0
26
DMA Channel 1Bus Master indicator:
0 - DMA Channel 1was not the bus master during a Master or Target abort.
1 - DMA Channel 1was the bus master during a Master or Target abort.
Yes No 0
27
PCI 9060 Target Abort indicator:
0 - no abort.
1 - PCI 9060 generated Target Abort after 256 consecutive Master retries to a Target.
Yes Yes 0
31:28 Not Used Yes No 0
Table 3-33. Interrupt Control/Status (Sheet 2 of 2)
Field Description Read Write
Value
after
Reset
(Cold PC
Reset)

Intel i960 Series Specifications

General

Brand	Intel
Model	i960 Series
Category	Computer Hardware
Language	English