参数资料
型号: COREPCIF-OM
厂商: Microsemi SoC
文件页数: 5/156页
文件大小: 0K
描述: IP MODULE COREPCIF
标准包装: 1
系列: *
Introduction
CorePCIF connects memory, FIFO, and processor subsystem resources to the main system via the PCI bus. CorePCIF
is intended for use with a wide variety of peripherals where high-performance data transactions are required. Figure 1
depicts typical system applications using the core. Though CorePCIF can handle any transfer rate, most applications
will operate with zero wait states. When required, wait states can be inserted automatically by a slower peripheral.
CorePCIF can implement Target and/or Master functions. The Target function allows the PCI bus to access memory
devices attached to the CorePCIF backend. The Master function allows CorePCIF to move data between the backend
or internal registers and the PCI bus using the internal DMA engine. The DMA engine can be programmed either from
the PCI bus or directly from the backend.
CorePCIF can be customized. A variety of parameters are provided to easily change features such as memory and I/O
sizes along with the PCI vendor and device IDs. A single top-level core has parameters that enable and disable
functions, allowing a minimal-size core to be implemented for the required functionality. The core consists of four basic
units: the Target controller, the Master controller, the DMA controller, and the backend controller. The backend
controller provides the necessary control for the I/O or memory subsystem, allowing external (to the core) memory and
FIFOs to be directly connected to the core.
FRAMEN
REQ64N
IRDYN
STOPN
DEVSELN
Master Control Signals
Memory Control Signals
System CPU
Memory
ACK64N
TRDYN
SERRN
IDSEL
AD
PAR
PAR64
CBE
PERRN
INTAN
REQN
GNTN
CLK
RSTN
PCI Bus
CorePCIF
Target+Master
Controller
MEM_ADDRESS BUS
MEM_DATA BUS
Subsystem
Master
Bridge
Target
Figure 1 · CorePCIF System Block Diagram
v4.0
5
相关PDF资料
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相关代理商/技术参数
参数描述
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COREPCIF-RMFL 功能描述:IP MODULE 制造商:microsemi corporation 系列:- 零件状态:在售 类型:许可证 应用:- 版本:- 许可长度:- 许可 - 用户明细:- 操作系统:- 配套使用产品/相关产品:Microsemi 器件 媒体分发类型:- 标准包装:1
COREPCIF-UR 功能描述:HW/SW/OTHER 制造商:microsemi corporation 系列:* 零件状态:在售 标准包装:1
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