1. The MSP430F5438A has three timers: TA0, TA1, and TB0.
2. CCR0 uses an interrupt vector alone and has the highest priority. Other CCR1-CCR5 use a common interrupt vector. 3
3, interrupt vector:
#define TIMER1_A1_VECTOR (48 * 2u) /* 0xFFE0 TImer1_A3 CCR1-2, TA1 */
#define TIMER1_A0_VECTOR (49 * 2u) /* 0xFFE2 TImer1_A3 CCR0 */
#define TIMER0_A1_VECTOR (53 * 2u) /* 0xFFEA Timer0_A5 CCR1-4, TA0 */
#define TIMER0_A0_VECTOR (54 * 2u) /* 0xFFEC Timer0_A5 CCR0 */
#define TIMER0_B1_VECTOR (59 * 2u) /* 0xFFF6 Timer0_B7 CCR1-6, TB */
#define TIMER0_B0_VECTOR (60 * 2u) /* 0xFFF8 Timer0_B7 CCR0 */
4, can be referenced when writing code
Interrupt vector name
Interrupt vector
Timer
meaning
Operating register
TIMER1_A1_VECTOR
0xFFE0
TA1
TA1CCR1-2, TA1IFG
Compare match channels 1 and 2, overflow interrupt
TA1CCTL1, TA1CCR1
TA1CCTL2, TA1CCR2
TA1CTL (overflow interrupt)
TIMER1_A0_VECTOR
0xFFE2
TA1
TA1CCR0
Compare Match Channel 0
TA1CCTL0, TA1CCR0
TIMER0_A1_VECTOR
0xFFEA
TA0
TA0CCR1-4, TA0IFG
Compare Match Channels 1 to 4
Overflow interrupt
TA0CCTL1,TA0CCR1
TA0CCTL2,TA0CCR2
TA0CCTL3,TA0CCR3
TA0CCTL4,TA0CCR4
TA0CTL (overflow interrupt)
TIMER0_A0_VECTOR
0xFFEC
TA0
TA0CCR0
Compare Match Channel 0
TA0CCTL0,TA0CCR0
TIMER0_B1_VECTOR
0xFFF6
TB
TBCCR1-6, TBIFG
Compare Match Channels 1 to 6
Overflow interrupt
TIMER0_B0_VECTOR
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