參數(shù)資料
型號(hào): GCIXP1250-200
英文描述: Microprocessor
中文描述: 微處理器
文件頁數(shù): 10/148頁
文件大?。?/td> 1601K
代理商: GCIXP1250-200
Intel
IXP1250 Network Processor
10
Datasheet
As shown in
Figure 2
,
The IXP1250 interfaces to a maximum of 256 Mbytes of SDRAM over a 64-bit data bus.
A separate 32-bit SRAM bus supports up to 8 Mbytes of SSRAM and 8 Mbytes of BootRom.
The SRAM Bus also supports memory-mapped I/O devices within a 2 Mbyte memory space.
A 32-bit PCI interface supports interfacing with industry-standard PCI devices.
The IX Bus, a flexible 64-bit or dual 32-bit interface, supports attachment of MACs, framers,
custom logic devices, and an additional IXP1250.
An asynchronous serial interface is supported for a debugger console over an RS-232 link.
An IEEE 1149.1 interface is supported for Boundary Scan testing.
Figure 2. System Block Diagram
A8543-01
SSRAM
(8 Mbytes
Max)
BootROM
(8 Mbytes
Max)
Network Interface
Devices
Control and Status
PCI Bus
(33-66Mhz)
SlowPort
Devices
(2 Mbytes
Max)
SDRAM
(256 Mbytes
Max)
32
32
64
Command
Data
Data
Control
IX Bus
64
Data
Network
Another
IXP12xx
Buffer
Serial Interface
JTAG
Intel
IXP1250
Processo
r
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