Kontron COMe-cP2020 Manual do Utilizador descarregar pdf (Página 67)

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COMe-P2020 User Guide

Table 3-62: 0x351: PCIe Control/Status Register

ACTION D7 D6 D5 D4 D3 D2 D1 D0

READ 0 0 0 LANEREV 0 0 PERST1 PERST0

WRITENUNUNUNUNUNUPERST1PERST0

POWER UP0000000 0

BITFIELD DESCRIPTION

[D0] PERST0 PCIe slot#0 card reset:

'0' = Card reset is not activ

'1' = Card reset is active

Reset is automatically asserted when CPU is in reset state

[D1] PERST1 PCIe slot#1 card reset:

'0' = Card reset is not activ

'1' = Card reset is active

Reset is automatically asserted when CPU is in reset state

[D4] LANEREV PCIe Lane reversal:

'0' = Lane reversal is not active

'1' = Lane reversal is active

Table 3-63: 0x370: Carrier Interrupt Direction Register

ACTION D7 D6 D5 D4 D3 D2 D1 D0

READ 0 0 0 Dir4 Dir3 Dir2 Dir1 Dir0

WRITE NU NU NU Dir4 Dir3 Dir2 Dir1 Dir0

POWER UP0000000 0

BITFIELD DESCRIPTION

[D0] Dir0 IO-Direction of line CON_IRQ[1]#:

'0' = Line is used as Input (and forces automatically UC_IRQ[7]# line when enabled)

'1' = Line is used as Output (and driven by UC_IRQ[7]# line)

[D1] Dir1 IO-Direction of line CON_IRQ[2]#:

'0' = Line is used as Input (and forces automatically UC_IRQ[8]# line when enabled)

'1' = Line is used as Output (and driven by UC_IRQ[8]# line)

[D2] Dir2 IO-Direction of line CON_IRQ[3]#:

'0' = Line is used as Input (and forces automatically UC_IRQ[9]# line when enabled)

'1' = Line is used as Output (and driven by UC_IRQ[9]# line)

[D3] Dir3 IO-Direction of line CON_IRQ[4]#:

'0' = Line is used as Input (and forces automatically UC_IRQ[10]# line when enabled)

'1' = Line is used as Output (and driven by UC_IRQ[10]# line)

[D4] Dir4 IO-Direction of line CON_IRQ[5]#:

'0' = Line is used as Input (and forces automatically UC_IRQ[11]# line when enabled)

'1' = Line is used as Output (and driven by UC_IRQ[11]# line)

N O T I C E

line is used as Input, equivalent *UC_IRQ[11:7]#* line is automatically configured as Output, if

*CON_IRQ[5:1]#* is used as Output, equivalent *UC_IRQ[11:7]#* is configured as Input, for details

see table below:

1 2 ... 62 63 64 65 66 67 68 69 70 71 72 ... 105 106

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