Intel® IXP42X product line and IXC1100 control plane processors—Expansion Bus Controller
Intel® IXP42X Product Line of Network Processors and IXC1100 Control Plane Processor
DM September 2006
310 Order Number: 252480-006US
8.8.6 Motorola* Multiplexed-Mode Read Access

Figure 68. Expansion-Bus Read (Motorola* Multiplexed Mode)

EX_CLK
EX_CS_N[0]
EX_ADDR[23:0]
EX_DATA[15:0]
EX_ALE
Valid Address
EX_RD_N
(exp_mot_rnw)
EX_WR_N
(exp_mot_ds_n)
2-5 Cycles
ALE Extended 1-4 Cycles 1-16 Cycles 1-4 Cycles 1-16 Cycles
T1 T2 T3 T4 T5
EX_IOWAIT_N
Motorola* Multiplexed
Read Mode
Valid Data
Valid Address
B4366-01