MSP430F5259 datasheet(27/107 Pages) TI1

27 / 107 page

MSP430F5259, MSP430F5258, MSP430F5257, MSP430F5256

MSP430F5255, MSP430F5254, MSP430F5253, MSP430F5252

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SLAS903A – MAY 2013 – REVISED JULY 2013

DMA Controller (Link to user's guide)

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 ADC10_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 14. DMA Trigger Assignments(1)

CHANNEL

TRIGGER

DMAREQ

TA0CCR0 CCIFG

TA0CCR2 CCIFG

TA1CCR0 CCIFG

TA1CCR2 CCIFG

TA2CCR0 CCIFG

TA2CCR2 CCIFG

TB0CCR0 CCIFG

TB0CCR2 CCIFG

UCA2RXIFG

UCA2TXIFG

UCB2RXIFG

UCB2TXIFG

Reserved

UCA0RXIFG

UCA0TXIFG

UCB0RXIFG

UCB0TXIFG

UCA1RXIFG

UCA1TXIFG

UCB1RXIFG

UCB1TXIFG

ADC10IFG0(2)

UCA3RXIFG

UCA3TXIFG

UCB3RXIFG

UCB3TXIFG

MPY ready

DMA2IFG

DMA0IFG

DMA1IFG

DMAE0

(1)

If a reserved trigger source is selected, no trigger is generated.

(2)

Only on devices with ADC; reserved on devices without ADC

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