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Texas Instruments TMS9900: Difference between revisions
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Maximum clock frequency is 3 MHz, often generated from a 48 MHz oscillator using a TIM9904 (74LS362) clock generator, because the CPU requires four non-overlapping clock phases. The shortest instructions require eight clock cycles or 2.7 μs to complete. | Maximum clock frequency is 3 MHz, often generated from a 48 MHz oscillator using a TIM9904 (74LS362) clock generator, because the CPU requires four non-overlapping clock phases. The shortest instructions require eight clock cycles or 2.7 μs to complete. | ||
[[File:TMS9900 pinout.png|thumb|200px|right|Pinout (click to enlarge)]] | [[File:TMS9900 pinout.png|thumb|200px|right|Pinout (click to enlarge)]] | ||
The '''TMS9989''' is an improved 9900 that saw some appication in military hardware. | |||
==Links== | ==Links== | ||