參數(shù)資料
型號(hào)： MSP430F5437IPNR
廠商： TEXAS INSTRUMENTS INC
元件分類： 微控制器/微處理器
英文描述： 16-BIT, FLASH, 25 MHz, RISC MICROCONTROLLER, PQFP80
封裝： GREEN, PLASTIC, LQFP-80
文件頁(yè)數(shù)： 13/99頁(yè)
文件大小： 985K
代理商： MSP430F5437IPNR
MSP430F543x, MSP430F541x
SLAS612C – AUGUST 2009 – REVISED MARCH 2010
www.ti.com
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 7. DMA Trigger Assignments (1)
Channel
Trigger
0
1
2
0
DMAREQ
1
TA0CCR0 CCIFG
2
TA0CCR2 CCIFG
3
TA1CCR0 CCIFG
4
TA1CCR2 CCIFG
5
TB0CCR0 CCIFG
6
TB0CCR2 CCIFG
7
Reserved
8
Reserved
9
Reserved
10
Reserved
11
Reserved
12
Reserved
13
Reserved
14
Reserved
15
Reserved
16
UCA0RXIFG
17
UCA0TXIFG
18
UCB0RXIFG
19
UCB0TXIFG
20
UCA1RXIFG
21
UCA1TXIFG
22
UCB1RXIFG
23
UCB1TXIFG
24
ADC12IFGx
25
Reserved
26
Reserved
27
Reserved
28
Reserved
29
MPY ready
30
DMA2IFG
DMA0IFG
DMA1IFG
31
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.
20
Copyright 2009–2010, Texas Instruments Incorporated
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