参数资料
型号: ST40RA200XH6E
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 32-BIT, 200 MHz, RISC PROCESSOR, PBGA372
封装: 27 X 27 MM, 2.33 MM HEIGHT, PLASTIC, BGA-372
文件页数: 67/94页
文件大小: 2144K
代理商: ST40RA200XH6E
A Interconnect architecture
ST40RA
A.1
Arbitration schemes
A.1.1
PCI arbiter: (CPU, GPDMA, PCI, EMPI)
The default configuration (after reset) for fixed priority mode has to be in the following priority order:
CPU buffer,
EMPI,
GPDMA,
PCI (PCI master request, although not expected, get served to avoid deadlock).
The priority orders have to be programmable and the latency checking algorithm can be enabled for
GPDMA, PCI, EMPI.
A.1.2
EMI arbiter: (CPU buffer, GPDMA, PCI, EMPI)
The default configuration (after reset) for fixed priority mode has to be in the following priority order:
CPU buffer,
PCI,
EMPI,
GPDMA.
The priority order have to be programmable and the latency checking algorithm can be enabled for
GPDMA, PCI, EMPI.
A.1.3
LMI 1 arbiter: (CPU, GPDMA, PCI, EMPI)
The default configuration (after reset) as to be to work fixed priority mode in the following priority
order:
CPU,
GPDMA and PCI buffer.
The priority orders have to be programmable and the latency checking algorithm can be enabled for
GPDMA, PCI, EMPI.
A.1.4
PER arbiter: (CPU, GPDMA, PCI, EMPI)
The default configuration (after reset) as to be to work fixed priority mode in the following priority
order:
CPU buffer,
PCI,
EMPI,
GPDMA.
The priority order have to be programmable and the latency checking algorithm can be enabled for
GPDMA, PCI, EMPI.
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