Taiv, timer_a interrupt vector register – Texas Instruments MSP430x4xx User Manual

Page 232

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Timer_A Registers

12-23

Timer_A

CCIE

Bit 4

Capture/compare interrupt enable. This bit enables the interrupt request of
the corresponding CCIFG flag.
0

Interrupt disabled

1

Interrupt enabled

CCI

Bit 3

Capture/compare input. The selected input signal can be read by this bit.

OUT

Bit 2

Output. For output mode 0, this bit directly controls the state of the output.
0

Output low

1

Output high

COV

Bit 1

Capture overflow. This bit indicates a capture overflow occurred. COV must
be reset with software.
0

No capture overflow occurred

1

Capture overflow occurred

CCIFG

Bit 0

Capture/compare interrupt flag
0

No interrupt pending

1

Interrupt pending

TAIV, Timer_A Interrupt Vector Register

15

14

13

12

11

10

9

8

0

0

0

0

0

0

0

0

r0

r0

r0

r0

r0

r0

r0

r0

7

6

5

4

3

2

1

0

0

0

0

0

TAIVx

0

r0

r0

r0

r0

r−(0)

r−(0)

r−(0)

r0

TAIVx

Bits
15-0

Timer_A Interrupt Vector value

TAIV Contents

Interrupt Source

Interrupt Flag

Interrupt

Priority

00h

No interrupt pending

02h

Capture/compare 1

TACCR1 CCIFG

Highest

04h

Capture/compare 2

TACCR2 CCIFG

06h

Capture/compare 3

TACCR3 CCIFG

08h

Capture/compare 4

TACCR4 CCIFG

0Ah

Timer overflow

TAIFG

0Ch

Reserved

0Eh

Reserved

Lowest

Timer1_A5 only

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