Kontron COMe-bP5020 Manual de usuario descargar pdf (Pagina 40)

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User Guide

COMe-bP5020

Table 26: Address: 0x28D - Board ID Low Byte Register (BIDL)

Table 27: Address: 0x374 - Carrier Interrupt Mode 1 Register (CIM1)

Table 28: Address: 0x375 - Carrier Interrupt Mode 2 Register (CIM2)

Table 29: Address: 0x376 - Board Interrupt 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 identification: 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

RESET00000000

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 00000

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.

1 2 ... 35 36 37 38 39 40 41 42 43 44 45 ... 70 71

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Kontron COMe-bP5020 Manual de usuario Pagina 40

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