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参数资料
| 型号： | IBM25EMPPC740LFBC4000 |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 32-BIT, 400 MHz, RISC PROCESSOR, CBGA255 |
| 封装： | 21 X 21 MM, 1.27 MM PITCH, CERAMIC, BGA-255 |
| 文件页数： | 48/50页 |
| 文件大小： | 600K |
| 代理商： | IBM25EMPPC740LFBC4000 |
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5/20/99
Version 1.51
PowerPC 740 and PowerPC 750 Datasheet
Page 3
PowerPC 740 and PowerPC 750 Embedded Microprocessor
IBM CMOS 0.20 um Copper Technology EMPPC740L and EMPPC750L
Features
This section summarizes features of the implementation of the PowerPC 750 architecture. Major features 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.
Fixed-point units
- Fixed-point unit 1 (FXU1); multiply, divide, shift, rotate, arithmetic, logical.
- Fixed-point unit 2 (FXU2); shift, rotate, arithmetic, logical.
- Single-cycle arithmetic, shift, rotate, logical.
- Multiply and divide support (multi-cycle).
- Early out multiply.
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| IBM25EMPPC750LCBA4660 | 32-BIT, 466 MHz, RISC PROCESSOR, CBGA360 |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| IBM25EMPPC750LEBA300 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:32-Bit Microprocessor |
| IBM25EMPPC750LEBA333 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:32-Bit Microprocessor |
| IBM25EMPPC750LEBA366 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:32-Bit Microprocessor |
| IBM25EMPPC750LEBA400 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:32-Bit Microprocessor |
| IBM25EMPPC750LEBA466 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:32-Bit Microprocessor |
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