參數(shù)資料
型號: MC7455ARX933LF
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 32-BIT, 933 MHz, RISC PROCESSOR, CBGA483
封裝: 29 X 29 MM, 1.27 MM PITCH, CERAMIC, BGA-483
文件頁數(shù): 68/68頁
文件大?。?/td> 1609K
代理商: MC7455ARX933LF
MOTOROLA
MPC7455 RISC Microprocessor Hardware Specifications
9
Comparison with the MPC7400, MPC7410, MPC7450, MPC7451, and MPC7441
VCFX (vector complex)
4-1
3-1
VFPU (vector float)
4-1
VPER (vector permute)
2-1
1-1
MMUs
TLBs (instruction and data)
128-Entry, 2-Way
Tablewalk mechanism
Hardware + Software
Hardware
Instruction BATs/data BATs
8/8
4/4
L1 I Cache/D Cache Features
Size
32K/32K
Associativity
8-Way
Locking granularity
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
L2 tags and controller
only (see off-chip cache
support below)
Size/associativity
256-Kbyte/8-Way
Access width
256 Bits
Number of 32-byte sectors/line
2
Parity
Byte
Off-Chip Cache Support 2
Cache level
L3L3L2
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 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 3
Parity
Byte
Notes:
1. Numbers in parentheses are for 2:1 SRAM.
2. Not implemented on MPC7445 or MPC7441.
3. Private memory feature not implemented on MPC7400.
Table 1. Microarchitecture Comparison (continued)
Microarchitectural Specs
MPC7455/MPC7445
MPC7450/MPC7451/
MPC7441
MPC7400/MPC7410
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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