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
308 Order Number: 252480-006US
8.8.4 Intel® Simplex-Mode Read Access

Figure 66. Expansion-Bus Read (Intel® Simplex Mode)

EX_CLK
EX_CS_N[0]
EX_ADDR[23:0]
Intel® Simplex Read Mode
EX_RD_N

Valid Address

EX_DATA[15:0]
1-4 Cycles 1-4 Cycles 1-16 Cycles 1-4 Cycles 1-16 Cycles

T1 T2 T3 T4 T5

EX_IOWAIT_N
B4364-01

Valid Data