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| 型號： | IBM25405GP-3BA200C2 |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | RISC PROCESSOR, PBGA456 |
| 封裝： | PLASTIC, BGA-456 |
| 文件頁數(shù)： | 48/48頁 |
| 文件大?。?/td> | 649K |
| 代理商： | IBM25405GP-3BA200C2 |
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PowerPC 405GP Embedded Controller
Advance Information
Data Sheet
galdsh5f
06/15/99 Preliminary
IBM Corporation. All rights reserved.
Use is further subject to the provisions at the end of this document.
Page 9 of 48
Programmable access timing per device
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256 Wait States for non-burst
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32 Burst Wait States for rst access and up to 8 Wait States for subsequent accesses
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Programmable CSon, CSoff relative to address
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Programmable OEon, WEon, WEoff(1 to 4 clocks) relative to CS.
Programmable address mapping
Peripheral Device pacing with external “Ready”
External master interface
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Write posting from external master
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Read prefetching on PLB for external master reads
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Bursting capable from external master
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Allows external master access to all non-EBC PLB slaves
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External master may control EBC slaves for own access and control
DMA Controller
Supports the following transfers:
Memory-to-memory transfers
Buffered peripheral to memory transfers
Buffered memory to peripheral transfers
Four channels
Scatter/Gather capability for programming multiple DMA operations
8-, 16-, 32-bit peripheral support (on-chip peripheral bus and external)
32-bit addressing
Address increment or decrement
Internal 32-byte data buffering capability
Supports internal and external peripherals
Support for memory mapped peripherals
Support for peripherals running on slower frequency buses
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