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MSP430F5437AIPN Datasheet(PDF) 21 Page - Texas Instruments |
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MSP430F5437AIPN Datasheet(HTML) 21 Page - Texas Instruments |
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21 / 104 page  MSP430F543xA, MSP430F541xA www.ti.com SLAS655B – JANUARY 2010 – REVISED OCTOBER 2010 DMA Controller The DMA controller allows movement of data from one memory address to another without CPU intervention. For example, the DMA controller can be used to move data from the ADC12_A conversion memory to RAM. Using the DMA controller can increase the throughput of peripheral modules. The DMA controller reduces system power consumption by allowing the CPU to remain in sleep mode, without having to awaken to move data to or from a peripheral. Table 9. DMA Trigger Assignments (1) Channel Trigger 0 1 2 0 DMAREQ DMAREQ DMAREQ 1 TA0CCR0 CCIFG TA0CCR0 CCIFG TA0CCR0 CCIFG 2 TA0CCR2 CCIFG TA0CCR2 CCIFG TA0CCR2 CCIFG 3 TA1CCR0 CCIFG TA1CCR0 CCIFG TA1CCR0 CCIFG 4 TA1CCR2 CCIFG TA1CCR2 CCIFG TA1CCR2 CCIFG 5 TB0CCR0 CCIFG TB0CCR0 CCIFG TB0CCR0 CCIFG 6 TB0CCR2 CCIFG TB0CCR2 CCIFG TB0CCR2 CCIFG 7 Reserved Reserved Reserved 8 Reserved Reserved Reserved 9 Reserved Reserved Reserved 10 Reserved Reserved Reserved 11 Reserved Reserved Reserved 12 Reserved Reserved Reserved 13 Reserved Reserved Reserved 14 Reserved Reserved Reserved 15 Reserved Reserved Reserved 16 UCA0RXIFG UCA0RXIFG UCA0RXIFG 17 UCA0TXIFG UCA0TXIFG UCA0TXIFG 18 UCB0RXIFG UCB0RXIFG UCB0RXIFG 19 UCB0TXIFG UCB0TXIFG UCB0TXIFG 20 UCA1RXIFG UCA1RXIFG UCA1RXIFG 21 UCA1TXIFG UCA1TXIFG UCA1TXIFG 22 UCB1RXIFG UCB1RXIFG UCB1RXIFG 23 UCB1TXIFG UCB1TXIFG UCB1TXIFG 24 ADC12IFGx ADC12IFGx ADC12IFGx 25 Reserved Reserved Reserved 26 Reserved Reserved Reserved 27 Reserved Reserved Reserved 28 Reserved Reserved Reserved 29 MPY ready MPY ready MPY ready 30 DMA2IFG DMA0IFG DMA1IFG 31 DMAE0 DMAE0 DMAE0 (1) Reserved DMA triggers may be used by other devices in the family. Reserved DMA triggers will not cause any DMA trigger event when selected. Copyright © 2010, Texas Instruments Incorporated Submit Documentation Feedback 21 |
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