Expansion Bus Read (Motorola*, Multiplexed Mode) - Intel IXP45X Developer's Manual

12.4.1.8.11 Motorola*, Multiplexed-Mode Read Access
Figure 139. Expansion Bus Read (Motorola*, Multiplexed Mode)
EX_CLK
EX_CS_N[0]
EX_ADDR[24:0]
EX_BE_N[3:0]
EX_ALE
EX_IOWAIT_N
EX_RD_N
(exp_mot_rnw)
EX_WR_N
(exp_mot_ds_n)
EX_DATA[31:0]
EX_PARITY[3:0]
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Intel IXP45X and Intel IXP46X Product Line of Network Processors
Developer's Manual
676
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Intel IXP45X and Intel
T1 T2
2-5 Cycles 1-4 Cycles
ALE Extended
T T
alepusle ale2valcs
Valid Address
Valid Byte
Valid Address
IXP46X Product Line of Network Processors—Expansion Bus
T3 T4
1-16 Cycles 1-4 Cycles
T
rdsetup
T
rdhold
Valid Data
Valid Parity
Controller
T5
1-16 Cycles
T
recov
B3763-001
August 2006
Order Number: 306262-004US