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
312 Order Number: 252480-006US
8.8.8 Motorola* Simplex-Mode Read Access
Figure 70. Expansion-Bus Read (Motorola* Simplex Mode)
EX_CLK
EX_CS_N[0]
EX_ADDR[23:0]
EX_IOWAIT_N
EX_DATA[15:0]
Valid Data
EX_ALE
Valid Address
EX_RD_N
(exp_mot_rnw)
EX_WR_N
(exp_mot_ds_n)
1-4 Cycles 1-4 Cycles 1-16 Cycles 1-4 Cycles 1-16 Cycles
T1 T2 T3 T4 T5
Motorola* Simplex
Read Mode
B4368-01