參數(shù)資料
型號(hào)： MC7448THX1000ND
廠商： FREESCALE SEMICONDUCTOR INC
元件分類(lèi)： 微控制器/微處理器
英文描述： 32-BIT, 1000 MHz, RISC PROCESSOR, CBGA360
封裝： 25 X 25 MM, 2.40 MM HEIGHT, 1.27 MM PITC, CERAMIC, BGA-360
文件頁(yè)數(shù)： 64/66頁(yè)
文件大小： 793K
代理商： MC7448THX1000ND
MPC7448 RISC Microprocessor Hardware Specifications, Rev. 4
Freescale Semiconductor
7
Comparison with the MPC7447A, MPC7447, MPC7445, and MPC7441
Reliability and serviceability
— Parity checking on system bus
— Parity checking on the L1 caches and L2 data tags
— ECC or parity checking on L2 data
3
Comparison with the MPC7447A, MPC7447, MPC7445,
and MPC7441
Table 1 compares the key features of the MPC7448 with the key features of the earlier MPC7447A,
MPC7447, MPC7445, and MPC7441. All are based on the MPC7450 RISC microprocessor and are
architecturally very similar. The MPC7448 is identical to the MPC7447A, but the MPC7448 supports 1
Mbyte of L2 cache with ECC and the use of dynamic frequency switching (DFS) with more bus-to-core
ratios.
Table 1. Microarchitecture Comparison
Microarchitectural Specs
MPC7448
MPC7447A MPC7447 MPC7445 MPC7441
Basic Pipeline Functions
Logic inversions per cycle
18
Pipeline stages up to execute
5
Total pipeline stages (minimum)
7
Pipeline maximum instruction throughput
3 + branch
Pipeline Resources
Instruction buffer size
12
Completion buffer size
16
Renames (integer, float, vector)
16, 16, 16
Maximum Execution Throughput
SFX
3
Vector
2 (any 2 of 4 units)
Scalar floating-point
1
Out-of-Order Window Size in Execution Queues
SFX integer units
1 entry
× 3 queues
Vector units
In order, 4 queues
Scalar floating-point unit
In order
Branch Processing Resources
Prediction structures
BTIC, BHT, link stack
BTIC size, associativity
128-entry, 4-way
BHT size
2K-entry
Link stack depth
8
Unresolved branches supported
3
Branch taken penalty (BTIC hit)
1
Minimum misprediction penalty
6
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MC7448THX1000NX 制造商:FREESCALE 制造商全稱(chēng):Freescale Semiconductor, Inc 功能描述:Hardware Specifications Addendum for the MC7448T xxnnnnmx Series
MC7448THX1267NC 制造商:FREESCALE 制造商全稱(chēng):Freescale Semiconductor, Inc 功能描述:Hardware Specifications Addendum for the MC7448T xxnnnnmx Series
MC7448THX1267ND 功能描述:微處理器 - MPU A8 RV2.2.1 1.1V -40/105C 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
MC7448THX1267NX 制造商:FREESCALE 制造商全稱(chēng):Freescale Semiconductor, Inc 功能描述:Hardware Specifications Addendum for the MC7448T xxnnnnmx Series
MC7448THX1400ND 功能描述:微處理器 - MPU A8 RV2.2.1 1.1V -40/105C 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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