lecture-rti - 001 = 2 13 , 010 = 2 14 , , 111 = 2 19 (See...

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Dr. Tao Li 1 RTI triggers interrupt periodically. The periodic rate of generating interrupts is programmable. Has its own vector in the vector table (check the interrupt vector and pseudo-vector mapping table) Enabled by RTIE bit, flag RTIF set at interval specified, and RTIF reset by writing ‘1’ RTI rate generated dividing E-clock by 2 13 = 8192 or more via 3 RTI prescalar bits (RTR2:RTR0), where 000 = off,
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Unformatted text preview: 001 = 2 13 , 010 = 2 14 , , 111 = 2 19 (See HC12 Data Sheet 10.7.2 and 10.7.3 page 118 and 119) Real-Time Interrupt (RTI) Dr. Tao Li 2 ECLK = 2MHz intervals of 500ns 2 13 = 4.096ms (001) up to 125ns 2 19 = 262.144ms(111) ECLK = 4MHz intervals of 250ns 2 13 = 2.048ms (001) up to 250ns 2 19 = 131.072ms (111 ) Real-Time Interrupt (RTI) ECLK...
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This note was uploaded on 11/13/2011 for the course EEL 4744c taught by Professor Staff during the Fall '09 term at University of Florida.

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lecture-rti - 001 = 2 13 , 010 = 2 14 , , 111 = 2 19 (See...

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