MPC7441 datasheet(8/56 Pages) NXP

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MPC7447A RISC Microprocessor Hardware Specifications, Rev. 5

Freescale Semiconductor

Comparison with the MPC7447, MPC7445, and MPC7441

BHT size

2K-entry

Link stack depth

Unresolved branches supported

Branch taken penalty (BTIC hit)

Minimum misprediction penalty

Execution Unit Timings (Latency-Throughput)

Aligned load (integer, float, vector)

3-1, 4-1, 3-1

Misaligned load (integer, float, vector)

4-2, 5-2, 4-2

L1 miss, L2 hit latency

9 data/13 instruction

SFX (aDd Sub, Shift, Rot, Cmp, logicals)

1-1

Integer multiply (32

× 8, 32 × 16, 32 × 32)

3-1, 3-1, 4-2

Scalar float

5-1

VSFX (vector simple)

1-1

VCFX (vector complex)

4-1

VFPU (vector float)

4-1

VPER (vector permute)

2-1

MMUs

TLBs (instruction and data)

128-entry, 2-way

Tablewalk mechanism

Hardware + software

Instruction BATs/data BATs

8/8

4/4

L1 I Cache/D Cache Features

Size

32K/32K

Associativity

8-way

Locking granularity

Way

Parity on Instruction cache

Word

Parity on data cache

Byte

Number of data cache misses (load/store)

5/1

Data stream touch engines

4 streams

On-Chip Cache Features

Cache level

Size/associativity

512-Kbyte/8-way

256-Kbyte/8-way

Access width

256 bits

Table 1. Microarchitecture Comparison (continued)

Microarchitectural Specs

MPC7447A

MPC7447

MPC7445

MPC7441

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