參數(shù)資料
型號： MPC7457
廠商： 飛思卡爾半導體(中國)有限公司
英文描述： RISC Microprocessor Hardware Specifications
中文描述： RISC微處理器硬件規(guī)格
文件頁數(shù)： 8/68頁
文件大小： 1755K
代理商： MPC7457
MPC7457 RISC Microprocessor Hardware Specifications, Rev. 5
8
Freescale Semiconductor
Comparison with the MPC7455, MPC7445, MPC7450, MPC7451, and MPC7441
Out-of-Order Window Size in Execution Queues
SFX integer units
1 entry
×
3 queues
1 entry
×
3 queues
1 entry
×
3 queues
Vector units
In order, 4 queues
In order, 4 queues
In order, 4 queues
Scalar floating-point unit
In order
In order
In order
Branch Processing Resources
Prediction structures
BTIC, BHT, link stack
BTIC, BHT, link stack
BTIC, BHT, link stack
BTIC size, associativity
128-entry, 4-way
128-entry, 4-way
128-entry, 4-way
BHT size
2K-entry
2K-entry
2K-entry
Link stack depth
8
8
8
Unresolved branches supported
3
3
3
Branch taken penalty (BTIC hit)
1
1
1
Minimum misprediction penalty
6
6
6
Execution Unit Timings (Latency-Throughput)
Aligned load (integer, float, vector)
3-1, 4-1, 3-1
3-1, 4-1, 3-1
3-1, 4-1, 3-1
Misaligned load (integer, float, vector)
4-2, 5-2, 4-2
4-2, 5-2, 4-2
4-2, 5-2, 4-2
L1 miss, L2 hit latency
9 data/13 instruction
9 data/13 instruction
9 data/13 instruction
SFX (aDd Sub, Shift, Rot, Cmp, logicals)
1-1
1-1
1-1
Integer multiply (32
×
8, 32
×
16, 32
×
32)
3-1, 3-1, 4-2
3-1, 3-1, 4-2
3-1, 3-1, 4-2
Scalar float
5-1
5-1
5-1
VSFX (vector simple)
1-1
1-1
1-1
VCFX (vector complex)
4-1
4-1
4-1
VFPU (vector float)
4-1
4-1
4-1
VPER (vector permute)
2-1
2-1
2-1
MMUs
TLBs (instruction and data)
128-entry, 2-way
128-entry, 2-way
128-entry, 2-way
Tablewalk mechanism
Hardware + software
Hardware + software
Hardware + software
Instruction BATs/data BATs
8/8
8/8
4/4
L1 I Cache/D Cache Features
Size
32K/32K
32K/32K
32K/32K
Associativity
8-way
8-way
8-way
Locking granularity
Way
Way
Way
Table 1. Microarchitecture Comparison (continued)
Microarchitectural Specs
MPC7457/MPC7447
MPC7455/MPC7445
MPC7450/MPC7451/
MPC7441
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MPC7457EC 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:RISC Microprocessor Hardware Specifications
MPC745BPX300LE 功能描述:微處理器 - MPU 255 PBGAREV2.8105C RoHS:否 制造商:Atmel 處理器系列:SAMA5D31 核心:ARM Cortex A5 數(shù)據(jù)總線寬度:32 bit 最大時鐘頻率:536 MHz 程序存儲器大小:32 KB 數(shù)據(jù) RAM 大小:128 KB 接口類型:CAN, Ethernet, LIN, SPI,TWI, UART, USB 工作電源電壓:1.8 V to 3.3 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:FBGA-324
MPC745BPX350LE 功能描述:微處理器 - MPU 255 PBGAREV2.8105C RoHS:否 制造商:Atmel 處理器系列:SAMA5D31 核心:ARM Cortex A5 數(shù)據(jù)總線寬度:32 bit 最大時鐘頻率:536 MHz 程序存儲器大小:32 KB 數(shù)據(jù) RAM 大小:128 KB 接口類型:CAN, Ethernet, LIN, SPI,TWI, UART, USB 工作電源電壓:1.8 V to 3.3 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:FBGA-324
MPC745BVT300LE 功能描述:微處理器 - MPU GF REV2.8105C RoHS:否 制造商:Atmel 處理器系列:SAMA5D31 核心:ARM Cortex A5 數(shù)據(jù)總線寬度:32 bit 最大時鐘頻率:536 MHz 程序存儲器大小:32 KB 數(shù)據(jù) RAM 大小:128 KB 接口類型:CAN, Ethernet, LIN, SPI,TWI, UART, USB 工作電源電壓:1.8 V to 3.3 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:FBGA-324
MPC745BVT350LE 功能描述:微處理器 - MPU GF REV2.8105C RoHS:否 制造商:Atmel 處理器系列:SAMA5D31 核心:ARM Cortex A5 數(shù)據(jù)總線寬度:32 bit 最大時鐘頻率:536 MHz 程序存儲器大小:32 KB 數(shù)據(jù) RAM 大小:128 KB 接口類型:CAN, Ethernet, LIN, SPI,TWI, UART, USB 工作電源電壓:1.8 V to 3.3 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:FBGA-324
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