2/24/2008 9T6WP
BCM7405
Preliminary Hardware Data Module
Hardware Signal Descriptions
06/29/07
Bro a d c o m C o rp o r a ti o n
Page 1-106
Pin Definition Notations
Document
7405-1HDM00-R
1
14 - 64 Bit DDR2
SDRAM
DDR3_DQ02
I/O
Ext PU
SSTL
_18
–
D3
DDR DRAM Data bus for
16-bit lane 3
1
14 - 64 Bit DDR2
SDRAM
DDR3_DQ03
I/O
Ext PU
SSTL
_18
–
D4
DDR DRAM Data bus for
16-bit lane 3
1
14 - 64 Bit DDR2
SDRAM
DDR3_DQ04
I/O
Ext PU
SSTL
_18
–
B5
DDR DRAM Data bus for
16-bit lane 3
1
14 - 64 Bit DDR2
SDRAM
DDR3_DQ05
I/O
Ext PU
SSTL
_18
–
D2
DDR DRAM Data bus for
16-bit lane 3
1
14 - 64 Bit DDR2
SDRAM
DDR3_DQ06
I/O
Ext PU
SSTL
_18
–
B4
DDR DRAM Data bus for
16-bit lane 3
1
14 - 64 Bit DDR2
SDRAM
DDR3_DQ07
I/O
Ext PU
SSTL
_18
–
C2
DDR DRAM Data bus for
16-bit lane 3
1
14 - 64 Bit DDR2
SDRAM
DDR3_DQ08
I/O
Ext PU
SSTL
_18
–
E3
DDR DRAM Data bus for
16-bit lane 3
1
14 - 64 Bit DDR2
SDRAM
DDR3_DQ09
I/O
Ext PU
SSTL
_18
–
C5
DDR DRAM Data bus for
16-bit lane 3
1
14 - 64 Bit DDR2
SDRAM
DDR3_DQ10
I/O
Ext PU
SSTL
_18
–
E4
DDR DRAM Data bus for
16-bit lane 3
1
14 - 64 Bit DDR2
SDRAM
DDR3_DQ11
I/O
Ext PU
SSTL
_18
–
E5
DDR DRAM Data bus for
16-bit lane 3
1
14 - 64 Bit DDR2
SDRAM
DDR3_DQ12
I/O
Ext PU
SSTL
_18
–
A4
DDR DRAM Data bus for
16-bit lane 3
1
14 - 64 Bit DDR2
SDRAM
DDR3_DQ13
I/O
Ext PU
SSTL
_18
–
B1
DDR DRAM Data bus for
16-bit lane 3
1
14 - 64 Bit DDR2
SDRAM
DDR3_DQ14
I/O
Ext PU
SSTL
_18
–
C4
DDR DRAM Data bus for
16-bit lane 3
1
14 - 64 Bit DDR2
SDRAM
DDR3_DQ15
I/O
Ext PU
SSTL
_18
–
B2
DDR DRAM Data bus for
16-bit lane 3
1
14 - 64 Bit DDR2
SDRAM
DDR0_DM0
I/O
Ext PU
SSTL
_18
–
AN1
DDR DRAM Data Mask for
16-bit lane 0
1
14 - 64 Bit DDR2
SDRAM
DDR0_DM1
I/O
Ext PU
SSTL
_18
–
AP1
DDR DRAM Data Mask for
16-bit lane 0
1
14 - 64 Bit DDR2
SDRAM
DDR1_DM0
I/O
Ext PU
SSTL
_18
–
Y5
DDR DRAM Data Mask for
16-bit lane 1
1
14 - 64 Bit DDR2
SDRAM
DDR1_DM1
O
Ext PU
SSTL
_18
–
W5
DDR DRAM Data Mask for
16-bit lane 1
1
14 - 64 Bit DDR2
SDRAM
DDR2_DM0
O
Ext PU
SSTL
_18
–
R2
DDR DRAM Data Mask for
16-bit lane 2
1
14 - 64 Bit DDR2
SDRAM
DDR2_DM1
O
Ext PU
SSTL
_18
–
T2
DDR DRAM Data Mask for
16-bit lane 2
1
14 - 64 Bit DDR2
SDRAM
DDR3_DM0
O
Ext PU
SSTL
_18
–
C3
DDR DRAM Data Mask for
16-bit lane 3
1
14 - 64 Bit DDR2
SDRAM
DDR3_DM1
O
Ext PU
SSTL
_18
–
D5
DDR DRAM Data Mask for
16-bit lane 3
1
14 - 64 Bit DDR2
SDRAM
DDR0_DQS0
O
Ext PU
SSTL
_18
–
AM4
DDR DRAM Data Strobe for
16-bit lane 0
Table 1-19: Pin Descriptions (Cont.)
# of
Pins
Orcad Schematic
Block
Label
I/O
Res.
Tol.
(V)
Drv.
(mA)
Loc.
Description