Address: 0x28d - board id low byte register (bidl) – Kontron COMe-bP5020 User Manual
Page 40
www.kontron.com
40
User Guide
COMe-bP5020
Table 26: Address: 0x28D - Board ID Low Byte Register (BIDL)
Table 27: Address: 0x374 - Carr ier Inter rupt Mode 1 Register (CIM1)
Table 28: Address: 0x375 - Carr ier Inter rupt Mode 2 Register (CIM2)
Table 29: Address: 0x376 - Board Inter rupt Pending Register 1 (BIPR1)
BIT
7
6
5
4
3
2
1
0
NAME
BIDL
ACCESS
R
RESET
0xC8
BITFIELD
DESCRIPTION
[7:0]
BIDL
Board identif ication: 0xD0C8
0xC8 = COMe-bP5020 (low byte)
BIT
7
6
5
4
3
2
1
0
NAME
IRQ4_MODE
IRQ3_MODE
IRQ2_MODE
IRQ1_MODE
ACCESS
R/W
R/W
R/W
R/W
RESET
00
00
00
00
BITFIELD
DESCRIPTION
[7:6..
1:0]
IRQ[4..1]_MODE
Interrupt mode definition of the COM Express IRQ[4..1]# lines:
00 = edge triggered high-to-low (falling edge)
01 = edge triggered low-to-high (rising edge)
10 = level triggered low-active
11 = level triggered high-active
BIT
7
6
5
4
3
2
1
0
NAME
reserved
IRQ5_MODE
ACCESS
R
R/W
RESET
00 0000
00
BITFIELD
DESCRIPTION
[1:0]
IRQ5_MODE
Interrupt mode definition of the COM Express IRQ5# line:
00 = edge triggered high-to-low (falling edge)
01 = edge triggered low-to-high (rising edge)
10 = level triggered low-active
11 = level triggered high-active
BIT
7
6
5
4
3
2
1
0
NAME
reserved
CE_IRQ5
CE_IRQ4
CE_IRQ3
CE_IRQ2
CE_IRQ1
ACCESS
R
R/W
R/W
R/W
R/W
R/W
RESET
000
0
0
0
0
0
BITFIELD
DESCRIPTION
[4..0]
CE_IRQ[5..1]
COM Express IRQ[5..1] request:
0 = no interrupt requested
1 = interrupt requested (is masked until enabled)
Writing a ‘1’ to this bit resets it to 0.