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Intel
®
IXP42X Product Line of Network Processors and IXC1100 Control Plane Processor
September 2006 DM
Order Number: 252480-006US 313
Expansion Bus Controller—Intel
®
IXP42X product line and IXC1100 control plane processors
8.8.9 TI* HPI-8 Write Access
Figure 71. Expansion-Bus Write (TI* HPI-8 Mode)
EX_CLK
EX_CS_N[0]
(hcs_n)
EX_ADDR[23:0]
(hcntl)
EX_RDY_N
(hrdy)
EX_DATA[15:0]
(hdin)
Valid Data
EX_RD_N
(hr_w_n)
Valid Address
T1
T2 T3 T4 T5
EX_ADDR[0]
(hbil)
EX_WR_N
(hds1_n)
3-4 Cycles 3-4 Cycles 2-16 Cycles 2-4 Cycles 1-16 Cycles
HPI-8 Mode Write
Accesses
B4361-01