MSP430F5522 Datasheet, PDF (29/123 Pages) Texas Instruments – MIXED SIGNAL MICROCONTROLLER

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MSP430F5529, MSP430F5528, MSP430F5527, MSP430F5526
MSP430F5525, MSP430F5524, MSP430F5522, MSP430F5521
MSP430F5519, MSP430F5517, MSP430F5515, MSP430F5514, MSP430F5513
SLAS590L – MARCH 2009 – REVISED MAY 2013
Table 12. System Module Interrupt Vector Registers (continued)
INTERRUPT VECTOR REGISTER
SYSUNIV, User NMI
ADDRESS
019Ah
INTERRUPT EVENT
No interrupt pending
NMIFG
OFIFG
ACCVIFG
BUSIFG
Reserved
VALUE
00h
02h
04h
06h
08h
0Ah to 1Eh
PRIORITY
Highest
Lowest
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 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.
The USB timestamp generator also utilizes the DMA trigger assignments described in Table 13.
TRIGGER
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
Table 13. DMA Trigger Assignments⁽¹⁾
0
DMAREQ
TA0CCR0 CCIFG
TA0CCR2 CCIFG
TA1CCR0 CCIFG
TA1CCR2 CCIFG
TA2CCR0 CCIFG
TA2CCR2 CCIFG
TB0CCR0 CCIFG
TB0CCR2 CCIFG
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
UCA0RXIFG
UCA0TXIFG
UCB0RXIFG
UCB0TXIFG
UCA1RXIFG
UCA1TXIFG
UCB1RXIFG
UCB1TXIFG
ADC12IFGx ⁽²⁾
Reserved
Reserved
USB FNRXD
CHANNEL
1
DMAREQ
TA0CCR0 CCIFG
TA0CCR2 CCIFG
TA1CCR0 CCIFG
TA1CCR2 CCIFG
TA2CCR0 CCIFG
TA2CCR2 CCIFG
TB0CCR0 CCIFG
TB0CCR2 CCIFG
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
UCA0RXIFG
UCA0TXIFG
UCB0RXIFG
UCB0TXIFG
UCA1RXIFG
UCA1TXIFG
UCB1RXIFG
UCB1TXIFG
ADC12IFGx ⁽²⁾
Reserved
Reserved
USB FNRXD
2
DMAREQ
TA0CCR0 CCIFG
TA0CCR2 CCIFG
TA1CCR0 CCIFG
TA1CCR2 CCIFG
TA2CCR0 CCIFG
TA2CCR2 CCIFG
TB0CCR0 CCIFG
TB0CCR2 CCIFG
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
UCA0RXIFG
UCA0TXIFG
UCB0RXIFG
UCB0TXIFG
UCA1RXIFG
UCA1TXIFG
UCB1RXIFG
UCB1TXIFG
ADC12IFGx ⁽²⁾
Reserved
Reserved
USB FNRXD
(1) If a reserved trigger source is selected, no Trigger1 is generated.
(2) Only on devices with ADC. Reserved on devices without ADC.
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