Motorola MC68306 Bedienungsanleitung Seite 84

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MOTOROLA 68K and ColdFire Product Portfolio Overview 77
Toshiba
DEVICE
PRODUCT QUALITIES PRODUCT LIMITATIONS
THE MOTOROLA
SOLUTION
HC000
Competitive pricing structure
Lacks proprietary Toshiba
architecture
Lacks second-source support
network
HC000
Competitive pricing structure
Low performance
Lacks integration
68330
Built-in Centronics
Additional serial channel
Lacks DRAM controller
Limited address space
68306
Built-in Centronics
Lacks DMA
Low CPU performance
Lacks low power mode option
68340
68303
Superior timer
Dedicated motor control
Robust DRAM controller
Only three DMA channels
Low CPU performance
68340
Superior timer
Dedicated motor control
Solid DMA
Limited address space
Weak DRAM controller
68306
68301AF/AFR
12, 16 MHz
3 UARTs
3 timers
100-pin QFP
100-pin RFP
68305F
2-channel UARTs
2 DMA channels
Address decoder
100--pin QFP
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