Eight-Word Inbound Write With Master Wait States - Intel IXP45X Developer's Manual

Network processors
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Figure 152. Eight-Word Inbound Write
- 0 -
EX_CLK
EX_IXPCS_N
EX_ADDR
ADDR0
EX_RD_N
EX_WR_N
EX_BE_N
EX_BURST
EX_WAIT_N
EX_DATA
EX_PARITY
STATE
IDLE
12.4.5.4

Eight-Word Inbound Write with Master Wait States

Figure 153
other cycle. The Expansion bus controller only captures data on the cycle that
EX_ADDR transitions to the next address. The external master can choose to insert as
many repeat address cycles as desired, however the setup and hold time of EX_ADDR
must be met every cycle.
®
®
Intel
IXP45X and Intel
IXP46X Product Line of Network Processors
Developer's Manual
692
®
Intel
IXP45X and Intel
- 1 -
- 3 -
- 2 -
ADDR1
ADDR2
DATA0
DATA1
PAR0
PAR1
DATA0
DATA0
DATA1
shows an 8-word write in which the master increments EX_ADDR every
®
IXP46X Product Line of Network Processors—Expansion Bus
- 4 -
- 5 -
- 6 -
ADDR3
ADDR4
ADDR5
DATA2
DATA3
DATA4
PAR2
PAR3
PAR4
DATA2
DATA3
DATA4
- 7 -
- 8 -
- 9 -
ADDR6
ADDR7
DATA5
DATA6
DATA7
PAR5
PAR6
PAR7
DATA5
DATA6
DATA7
Order Number: 306262-004US
Controller
- 10 -
IDLE
B4440-01
August 2006

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