Adlink cExpress-BT2 Manual do Utilizador Página 27

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cExpress-BT2 Page 27
Signal Pin # Description I/O PU/PD Comment
PCI_AD13
PCI_AD14
PCI_AD15
PCI_AD16
PCI_AD17
PCI_AD18
PCI_AD19
PCI_AD20
PCI_AD21
PCI_AD22
PCI_AD23
PCI_AD24
PCI_AD25
PCI_AD26
PCI_AD27
PCI_AD28
PCI_AD29
PCI_AD30
PCI_AD31
D29
C32
D30
D37
C39
D38
C40
D39
C42
D40
C43
D42
C45
D43
C46
D44
C47
D45
C48
PCI_C/BE0#
PCI_C/BE1#
PCI_C/BE2#
PCI_C/BE3#
D26
C33
C38
C44
PCI bus byte enable lines, active low I/O
3.3V
PCI_DEVSEL# C36 PCI bus Device Select, active low. I/O
3.3V
PU 8k2
3.3V
PCI_FRAME# D36 PCI bus Frame control line, active low. I/O
3.3V
PU 8k2
3.3V
PCI_IRDY# C37 PCI bus Initiator Ready control line, active
low.
I/O
3.3V
PU 8k2
3.3V
PCI_TRDY# D35 PCI bus Target Ready control line, active
low.
I/O
3.3V
PU 8k2
3.3V
PCI_STOP# D34 PCI bus STOP control line, active low, driven
by cycle initiator.
I/O
3.3V
PU 8k2
3.3V
PCI_PAR D32 PCI bus parity I/O
3.3V
PCI_PERR# C34 Parity Error:
An external PCI device drives PERR# when it
receives data that has a parity error.
I/O
3.3V
PU 8k2
3.3V
PCI_REQ0#
PCI_REQ1#
PCI_REQ2#
PCI_REQ3#
C22
C19
C17
D20
PCI bus master request input lines, active
low.
I 3.3V PU 8k2
3.3V
PCI_GNT0#
PCI_GNT1#
PCI_GNT2#
PCI_GNT3#
C20
C18
C16
D19
PCI bus master grant output lines, active low. O 3.3V PCI_GNT[0..3]# are boot strap signals (see note
below)
PCI_RESET# C23 PCI Reset output, active low. O 3.3V
PCI_LOCK# C35 PCI Lock control line, active low. I/O
3.3V
PU 8k2
3.3V
PCI_SERR# D33 System Error: SERR# may be pulsed active
by any PCI device that detects a system error
condition.
I/O
3.3V
PU 8k2
3.3V
PCI_PME# C15 PCI Power Management Event: PCI
peripherals drive PME# to wake system from
low-power states S1–S5.
I
3.3VSB
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