Apic mode – ADLINK cExpress-BT User Manual
Page 43
cExpress-BT
Page 43
6.3.2. APIC Mode
IRQ#
Typical Intterupt Resource
Connected to Pin
Available
0 System
timer
N/A
No
1 N/A
N/A
No
2 N/A
N/A
No
3
N/A
N/A
Note (1)
4
Serial Port 1 (COM1)
IRQ4 via SERIRQ / PIRQ
Note (1)
5
N/A
N/A
Note (1)
6 N/A
N/A
Note
(1)
7 N/A
N/A
Note
(1)
8
High precision event timer
N/A
No
9 N/A
N/A
Note
(1)
10 N/A
N/A
Note
(1)
11 N/A
N/A
Note
(1)
12
N/A
N/A
Note (1)
13 N/A
N/A
Note
(1)
14 N/A
N/A
Note
(1)
15 N/A
N/A
Note
(1)
16
N/A
PCIE Port 1/2/3/4, eMMC, IGD
Note (1)
17
N/A
PCIE Port 1/2/3/4
Note (1)
18
N/A
PCIE Port 1/2/3/4, SD Device, HSUART
Note (1)
19
N/A
PCIE Port 1/2/3/4, AHCI controller
Note (1)
20
N/A
GbE controller, xHCI controller
Note (1)
21
N/A
Low Power Audio Engine,TXE
Note (1)
22
N/A
Intel HDA
Note (1)
23 N/A
N/A
Note
(1)
Note (1): These IRQs can be used for PCI devices when onboard device is disabled.