IXP2400 Intel, IXP2400 Datasheet - Page 14
IXP2400
Manufacturer Part Number
IXP2400
Description
Manufacturer
Intel
Datasheet
1.IXP2400.pdf
(126 pages)
Specifications of IXP2400
Operating Supply Voltage (typ)
1.3/1.5/2.5/3.3V
Mounting
Surface Mount
Operating Temperature (max)
85C
Operating Temperature (min)
-40C
Operating Temperature Classification
Industrial
Lead Free Status / Rohs Status
Not Compliant
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Intel
2.3.1
14
Figure 6. Microengine Block Diagram
®
IXP2400 Network Processor
Lm_addr_1
Lm_addr_0
NN_Data_In
CRC_Remainder
Control Store
The Control Store is a RAM, which holds the program that the ME executes. It holds 4096
instructions, each of which is 40 bits wide. It is initialized by an external device (for example, the
internal Intel XScale core.) The Control Store can optionally be protected by parity against soft
errors.
CRC Unit
S_Push
Local
Mem
640
CSRs
Local
d
e
c
o
d
e
(Shift, Add, Subtract, Multiply Logicals,
(A Bank)
GPRs
128
Find First Bit, CAM)
A_Operand
D_Pull
XFER
128
Out
D
Execution
Datapath
(B Bank)
GPRs
128
ALU_Out
S_Pull
XFER
128
Out
S
B_Operand
Neighbor
Next
128
XFER
128
In
D
D_Push
T_Index
NN_Get
XFER
128
In
S
Control
Data
S_Push
NN_Data_Out
Immed
Dest
A_Src
B_Src
Control
Store
A9813-01
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