Texas Instruments 99/4A - Page 13

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TMC 0430 GRAPHICS ROM KEY FEATURES
• 6144 BYTES MASK PROGRAMMABLE ROM
• 16 BIT ADDRESS REGISTER WITH INCREMENTER
• CHIP SELECT FROM 3 MOST SIGNIFICANT ADDRESS BITS
• INSTRUCTION DECODE FOR FOUR OPERATIONS
- READ BYTE AND INCREMENT
- WRITE HIGH ADDRESS BYTE AND TRANSFER HIGH TO LOW
- READ LOW ADDRESS BYTE
- SPARE TO WRITE RAM OR FROM
• LOW COST P CHANNEL MDS
• Pits CYCLE TIME
• +5, -5 POWER SUPPLIES WITH TTL INTERFACE
• 447.5 KHz CLOCK INPUT
• 16 PIN PACKAGE
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