ECCN 5E002 TSPA - Technology / Software Publicly Available
CC430F6137, CC430F6135, CC430F6127, CC430F6126, CC430F6125
CC430F5137, CC430F5135, CC430F5133
SLAS554H – MAY 2009 – REVISED SEPTEMBER 2013
www.ti.com
DMA Controller
The DMA controller allows movement of data from one memory address to another without CPU intervention.
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 12. 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
Reserved
Reserved
Reserved
6
Reserved
Reserved
Reserved
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
Reserved
Reserved
Reserved
21
Reserved
Reserved
Reserved
22
Reserved
Reserved
Reserved
23
Reserved
Reserved
Reserved
24
ADC12IFGx
(2)
ADC12IFGx
(2)
ADC12IFGx
(2)
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.
(2)
Only on CC430F613x and CC430F513x. Reserved on CC430F612x.
Watchdog Timer (WDT_A)
The primary function of the watchdog timer is to perform a controlled system restart after a software problem
occurs. If the selected time interval expires, a system reset is generated. If the watchdog function is not needed
in an application, the timer can be configured as an interval timer and can generate interrupts at selected time
intervals.
24
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