參數(shù)資料
型號(hào)： MPC7455
廠(chǎng)商： 飛思卡爾半導(dǎo)體(中國(guó))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(yè)數(shù)： 8/64頁(yè)
文件大?。?/td> 1127K
代理商： MPC7455
MPC7455 RISC Microprocessor Hardware Specifications, Rev. 4.1
8
Freescale Semiconductor
Comparison with the MPC7400, MPC7410, MPC7450, MPC7451, and MPC7441
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
BTIC size, associativity
128-Entry, 4-Way
128-Entry, 4-Way
64-Entry, 4-Way
BHT size
2K-Entry
2K-Entry
512-Entry
Link stack depth
8
8
None
Unresolved branches supported
3
3
2
Branch taken penalty (BTIC hit)
1
1
0
Minimum misprediction penalty
6
6
4
Execution Unit Timings (Latency-Throughput)
Aligned load (integer, float, vector)
3-1, 4-1, 3-1
3-1, 4-1, 3-1
2-1, 2-1, 2-1
Misaligned load (integer, float, vector)
4-2, 5-2, 4-2
4-2, 5-2, 4-2
3-2, 3-2, 3-2
L1 miss, L2 hit latency
9 Data/13 Instruction
9 Data/13 Instruction
9 (11)
1
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
2-1, 3-2, 5-4
Scalar float
5-1
5-1
3-1
VSFX (vector simple)
1-1
1-1
1-1
VCFX (vector complex)
4-1
4-1
3-1
VFPU (vector float)
4-1
4-1
4-1
VPER (vector permute)
2-1
2-1
1-1
MMUs
TLBs (instruction and data)
128-Entry, 2-Way
128-Entry, 2-Way
128-Entry, 2-Way
Tablewalk mechanism
Hardware + Software
Hardware + Software
Hardware
Instruction BATs/data BATs
8/8
4/4
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
Full Cache
Parity on I cache
Word
Word
None
Parity on D cache
Byte
Byte
None
Number of D cache misses (load/store)
5/1
5/1
8 (Any Combination)
Data stream touch engines
4 Streams
4 Streams
4 Streams
On-Chip Cache Features
Table 1. Microarchitecture Comparison (continued)
Microarchitectural Specs
MPC7455/MPC7445
MPC7450/MPC7451/
MPC7441
MPC7400/MPC7410
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MPC7457 RISC Microprocessor Hardware Specifications
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MPC7457 制造商:FREESCALE 制造商全稱(chēng):Freescale Semiconductor, Inc 功能描述:RISC Microprocessor Hardware Specifications
MPC7457EC 制造商:FREESCALE 制造商全稱(chēng):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(xiàn)寬度:32 bit 最大時(shí)鐘頻率:536 MHz 程序存儲(chǔ)器大小:32 KB 數(shù)據(jù) RAM 大小:128 KB 接口類(lèi)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(fēng)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(xiàn)寬度:32 bit 最大時(shí)鐘頻率:536 MHz 程序存儲(chǔ)器大小:32 KB 數(shù)據(jù) RAM 大小:128 KB 接口類(lèi)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(fēng)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(xiàn)寬度:32 bit 最大時(shí)鐘頻率:536 MHz 程序存儲(chǔ)器大小:32 KB 數(shù)據(jù) RAM 大小:128 KB 接口類(lèi)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(fēng)格:SMD/SMT 封裝 / 箱體:FBGA-324
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