Motorola MC68306 Bedienungsanleitung PDF herunterladen (Seite 74)

MOTOROLA 68K and ColdFire Product Portfolio Overview 67

Section 5

Competitive Analysis

Overview

This section contains information on competitive products and the

Motorola solution.

Advanced Micro

Devices (AMD)

DEVICE

PRODUCT QUALITIES PRODUCT LIMITATIONS

THE MOTOROLA

SOLUTION

2903X

• RISC core

• Surface mount capability

• 4-Kbyte on-chip instruction cache

• Poor DRAM performance

• Lacks on-chip data cache

• Lacks competitive pricing

structure

• 29035 only in 16 MHz

68EC030/040

29005/050

• RISC core

• 17–32 MIPS at 40 MHz

• Floating point support

• MIPS rating is less than an 040 at same

clock frequency

• Poor DRAM performance

68040V

and LC040

29030

• 8-Kbyte I-cache; 4-way set-associative;

4-word block size

• Salable clocking technology

• Programmable bus sizing (16- or 32-bit

DRAM interface)

• Pin-compatible with other 29K family

processors

29035

• 4-Kbyte direct-mapped I-cache

• 16 MHz operating frequency

29040

• Bus and ASIC compatible with AM29030

processor

• On-chip 8 Kbyte I-cache

• On-chip 4 Kbyte data cache with control

of cache capability

• Hardware integer multiplier

• 3.3V power supply with 5V-tolerant I/O

• Flexible on-chip MMU

• Scalable clocking technology

• Support for simple page-mode and inter-

leaved memories

29200 • Performance (RISC vs. CISC)

• Lacks competitive pricing

structure

• Limited integration

• Lacks a low power mode

68340

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