參數(shù)資料
型號(hào): MPC7450RX667LX
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: 32-BIT, 667 MHz, RISC PROCESSOR, CBGA483
封裝: 29 X 29 MM, 3.22 MM HEIGHT, 1.27 MM PITCH, CERAMIC, BGA-483
文件頁(yè)數(shù): 60/60頁(yè)
文件大?。?/td> 1296K
代理商: MPC7450RX667LX
MPC7450 RISC Microprocessor Hardware Specifications
9
Comparison with the MPC7400
SFX (aDd Sub, Shift, Rot, Cmp, Logicals)
1-1
Integer Multiply (32
× 8, 32 × 16, 32 × 32)
3-1, 3-1, 4-2
2-1, 3-2, 5-4
Scalar Float
5-1
3-1
VSFX (Vector Simple)
1-1
VCFX (Vector Complex)
4-1
3-1
VFPU (Vector Float)
4-1
VPER (Vector Permute)
2-1
1-1
MMUs
MMUs (Instruction and Data)
128-Entry, 2-Way
Tablewalk Mechanism
Hardware + Software
Hardware
L1 I Cache/D Cache Features
Size
32K/32K
Associativity
8-Way
Locking Granularity/Style
4-Kbyte/Way
Full Cache
Parity on I Cache
Word
None
Parity on D Cache
Byte
None
Number of D Cache Misses (Load/Store)
5/1
8 (Any Combination)
Data Stream Touch Engines
4 Streams
On-Chip Cache Features
Cache Level
L2
None Besides L1
Size/Associativity
256-Kbyte/8-Way
N/A
Access Width
256 Bits
N/A
Number of 32-Byte Sectors/Line
2
N/A
Parity
Byte
N/A
Off-Chip Cache Support
Cache Level
L3
L2
On-Chip Tag Logical Size
1MB, 2MB
0.5MB, 1MB, 2MB
Associativity
8-Way
2-Way
Number of 32-Byte Sectors/Line
2, 4
1, 2, 4
Off-Chip Data SRAM Support
MSUG2 DDR, LW, PB2
LW, PB2, PB3
Data Path Width
64
Direct Mapped SRAM Sizes
1 Mbyte, 2 Mbytes
0.5 Mbyte, 1 Mbyte,
2Mbytes
Parity
Byte
1 Numbers in parentheses are for 2:1 SRAM.
Table 1. Microarchitecture Comparison (Continued)
Microarchitectural Specs
MPC7450
MPC7400/MPC7410
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