Intel IXP42X 用户手册
Intel
®
IXP42X Product Line of Network Processors and IXC1100 Control Plane Processor
September 2006
DM
Order Number: 252480-006US
297
Expansion Bus Controller—Intel
®
IXP42X product line and IXC1100 control plane processors
8.4
Expansion Bus Connections
shows a typical connection for various devices connected on the expansion
bus. Note that GPIO(0) is used as an example, and that your design can use any GPIO
port. Also note that EX_CS2_N and EX_CS7_N are shown as examples, and that your
design can use any EX_CS_N port.
Figure 60.
Expansion Bus Peripheral Connection
B4962 -02
Intel
®
StrataFlash
®
Embedded (P30)
A[23 :0 ]
DQ[15:0]
WE#
0E#
CEx
TI HPI - 8 TMS320UC5409
HBIL
HCNTL[1:0]
HCSEL[1:0]
HINT_N
HCS
HD0 -7
HDS1_ N
H_R/W_ N HRDY
Motorola* MCM6946 SRAM
EN
A[18 :0 ]
DQ[7:0]
G_ n
Intel
®
IXP42X
Product Line /
Intel
Intel
®
IXC1100 Control
Plane Processor
GPIO[15]
EX_ CLK
EX _ADDR[23:0]
EX_DQ[15:0]
EX_WR_N
EX_RD_N
EX_ CS0_N
EX_ CS7_N
EX_ RDY[3]
EX _CS2_N
W_n
EX_ADDR[0 ]
EX_ ADDR[2:1 ]
EX _ADDR[23:22]
GPIO [0]
Ex
p
a
n
s
io
n
B
u
s