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参数资料
| 型号： | IBM25PPC750-DB0M2500 |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 32-BIT, 250 MHz, RISC PROCESSOR, CBGA360 |
| 封装： | 25 X 25 MM, 1.27 MM PITCH, CERAMIC, BGA-360 |
| 文件页数： | 23/42页 |
| 文件大小： | 496K |
| 代理商： | IBM25PPC750-DB0M2500 |
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7/15/99
v 3.2
Datasheet
Page 3
Preliminary Copy
PowerPC 750TM SCM RISC Microprocessor
Features
This section summarizes features of the 750’s implementation of the PowerPC architecture. Major features of
the 750 are as follows.
Branch processing unit
- Four instructions fetched per clock.
- One branch processed per cycle (plus resolving 2 speculations).
- Up to 1 speculative stream in execution, 1 additional speculative stream in fetch.
- 512-entry branch history table (BHT) for dynamic prediction.
- 64-entry, 4-way set associative branch target instruction cache (BTIC) for eliminating branch delay
slots.
Dispatch unit
- Full hardware detection of dependencies (resolved in the execution units).
- Dispatch two instructions to six independent units (system, branch, load/store, xed-point unit 1,
xed-point unit 2, or oating-point).
- Serialization control (predispatch, postdispatch, execution, serialization).
Decode
- Register le access.
- Forwarding control.
- Partial instruction decode.
Load/store unit
- One cycle load or store cache access (byte, half-word, word, double-word).
- Effective address generation.
- Hits under misses (one outstanding miss).
- Single-cycle misaligned access within double word boundary.
- Alignment, zero padding, sign extend for integer register le.
- Floating-point internal format conversion (alignment, normalization).
- Sequencing for load/store multiples and string operations.
- Store gathering.
- Cache and TLB instructions.
- Big- and little-endian byte addressing supported.
- Misaligned little-endian support in hardware.
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相关代理商/技术参数 |
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|---|---|
| IBM25PPC750FL-GR0123V | 制造商:IBM 功能描述:MPU 750XX RISC 32BIT - Trays |
| IBM25PPC750FL-GR0124V | 制造商:IBM 功能描述:MPU 750XX RISC 32BIT - Trays |
| IBM25PPC750FL-GR0133T | 制造商:IBM 功能描述:IBMIBM25PPC750FL-GR0133T CSOI9SG LOGIC P |
| IBM25PPC750FL-GR0133V | 制造商:IBM 功能描述:MPU 750XX RISC 32BIT - Trays |
| IBM25PPC750FL-GR1024T | 制造商:IBM 功能描述: |
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