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AXC003 Processor FPGA Overview
DesignWare ARC AXC003 CPU Card User Guide
Version 6323-018
Synopsys, Inc.
May 2017
Table 7
Interrupt Mapping for ARC HS36
Interrupt
#
Interrupt source
Remarks
0
ARC internal interrupt
reset
1
memory error
2
instruction error
16
timer0
17
timer1
18
Reserved
19
20
21
22
23
24
Combined interrupt
from Mainboard
peripherals
The interrupt request is received by the ICTL
module on the Mainboard and the GPIO register
EXT_PORTA[12] on the AXC003 CPU Card.
See
25
Interrupt from interrupt
controller on AXC003
CPU Card
Note that interrupts that are edge-sensitive within
the ICTL should also be cleared at the ICTL
level.
ICTL
bit
Description
Sensitivity
0
Tunnel parity error
level
1
Address decoder
updated
edge
2
UART
level
3
PLL locked
edge
4
PLL unlocked
edge
5
PLL lock error
edge
26
CREG
Interrupt request from AX003 Control Registers