2/24/2008 9T6WP
Preliminary Hardware Data Module
BCM7405
06/29/07
Hardware Signal Descriptions
Bro a d c o m Co rp o r a ti o n
Document
7405-1HDM00-R
Pin Definition Notations Page 1-109
1
1 - PCI Bus/EBI
PCI_AD23
I/O
Ext PU
3.3
–
AL25
PCI Address / Data bus.
Shared with EBI_ADDR7
1
1 - PCI Bus/EBI
PCI_AD24
I/O
Ext PU
3.3
–
AL26
PCI Address / Data bus.
Shared with EBI_ADDR8
1
1 - PCI Bus/EBI
PCI_AD25
I/O
Ext PU
3.3
–
AK27
PCI Address / Data bus.
Shared with EBI_ADDR9
1
1 - PCI Bus/EBI
PCI_AD26
I/O
Ext PU
3.3
–
AL27
PCI Address / Data bus.
Shared with EBI_ADDR10
1
1 - PCI Bus/EBI
PCI_AD27
I/O
Ext PU
3.3
–
AP28
PCI Address / Data bus.
Shared with EBI_ADDR11
1
1 - PCI Bus/EBI
PCI_AD28
I/O
Ext PU
3.3
–
AM28
PCI Address / Data bus.
Shared with EBI_ADDR12
1
1 - PCI Bus/EBI
PCI_AD29
I/O
Ext PU
3.3
–
AP29
PCI Address / Data bus.
Shared with EBI_ADDR13
1
1 - PCI Bus/EBI
PCI_AD30
I/O
Ext PU
3.3
–
AM29
PCI Address / Data bus.
Shared with EBI_ADDR14
1
1 - PCI Bus/EBI
PCI_AD31
I/O
Ext PU
3.3
–
AN29
PCI Address / Data bus.
Shared with EBI_ADDR15
1
1 - PCI Bus/EBI
PCI_CBE00
I/O
Ext PU
3.3
–
AK20
PCI command/byte enable.
Shared with EBI_ADDR16
1
1 - PCI Bus/EBI
PCI_CBE01
I/O
Ext PU
3.3
–
AM23
PCI command/byte enable.
Shared with EBI_ADDR17
1
1 - PCI Bus/EBI
PCI_CBE02
I/O
Ext PU
3.3
–
AM25
PCI command/byte enable.
Shared with EBI_ADDR18
1
1 - PCI Bus/EBI
PCI_CBE03
I/O
Ext PU
3.3
–
AK26
PCI command/byte enable.
Shared with EBI_ADDR19
1
1 - PCI Bus/EBI
PCI_PAR
I/O
Ext PU
3.3
–
AN24
PCI parity. Shared with
EBI_ADDR20
1
1 - PCI Bus/EBI
PCI_FRAMEb
I/O
Ext PU
3.3
–
AL24
PCI frame
1
1 - PCI Bus/EBI
PCI_TRDYb
I/O
Ext PU
3.3
–
AL23
PCI target ready. Shared
with EBI Target Abort
1
1 - PCI Bus/EBI
PCI_IRDYb
I/O
Ext PU
3.3
–
AK24
PCI initiator ready. Shared
with EBI_ADDR21
1
1 - PCI Bus/EBI
PCI_STOPb
I/O
Ext PU
3.3
–
AN25
PCI stop. Shared with
EBI_ADDR22
1
1 - PCI Bus/EBI
PCI_DEVSEL
b
I/O
Ext PU
3.3
–
AP25
PCI device select. Shared
with EBI_ADDR23
1
1 - PCI Bus/EBI
PCI_CLK_IN
I
–
3.3
–
AL28
PCI input clock
1
1 - PCI Bus/EBI
PCI_PERRb
I/O
Ext PU
3.3
–
AM24
PCI parity error
1
1 - PCI Bus/EBI
PCI_SERRb
I/O
Ext PU
3.3
–
AK23
PCI system error. Shared
with EBI Target error
1
1 - PCI Bus/EBI
PCI_RSTb
O
–
3.3
–
AN30
PCI reset
1
1 - PCI Bus/EBI
PCI_INT_A0
I/O
Ext PU
3.3
–
AM31
PCI interrupt[0] input or PCI
slave mode interrupt output
Table 1-19: Pin Descriptions (Cont.)
# of
Pins
Orcad Schematic
Block
Label
I/O
Res.
Tol.
(V)
Drv.
(mA)
Loc.
Description