TMS320F28335, TMS320F28334, TMS320F28332
TMS320F28235, TMS320F28234, TMS320F28232
SPRS439I–JUNE 2007–REVISED MARCH 2011
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The general operation of the timer is as follows: The 32-bit counter register "TIMH:TIM" is loaded with the
value in the period register "PRDH:PRD". The counter register decrements at the SYSCLKOUT rate of the
C28x. When the counter reaches 0, a timer interrupt output signal generates an interrupt pulse. The
registers listed in Table 4-1 are used to configure the timers. For more information, see the
TMS320x2833x, 2823x System Control and Interrupts Reference Guide (literature number SPRUFB0) .
Table 4-1. CPU-Timers 0, 1, 2 Configuration and Control Registers
NAME
TIMER0TIM
ADDRESS
0x0C00
0x0C01
0x0C02
0x0C03
0x0C04
0x0C05
0x0C06
0x0C07
0x0C08
0x0C09
0x0C0A
0x0C0B
0x0C0C
0x0C0D
0x0C0E
0x0C0F
0x0C10
0x0C11
0x0C12
0x0C13
0x0C14
0x0C15
0x0C16
0x0C17
0x0C18 – 0x0C3F
SIZE (x16)
DESCRIPTION
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
40
CPU-Timer 0, Counter Register
TIMER0TIMH
TIMER0PRD
TIMER0PRDH
TIMER0TCR
Reserved
CPU-Timer 0, Counter Register High
CPU-Timer 0, Period Register
CPU-Timer 0, Period Register High
CPU-Timer 0, Control Register
TIMER0TPR
TIMER0TPRH
TIMER1TIM
TIMER1TIMH
TIMER1PRD
TIMER1PRDH
TIMER1TCR
Reserved
CPU-Timer 0, Prescale Register
CPU-Timer 0, Prescale Register High
CPU-Timer 1, Counter Register
CPU-Timer 1, Counter Register High
CPU-Timer 1, Period Register
CPU-Timer 1, Period Register High
CPU-Timer 1, Control Register
TIMER1TPR
TIMER1TPRH
TIMER2TIM
TIMER2TIMH
TIMER2PRD
TIMER2PRDH
TIMER2TCR
Reserved
CPU-Timer 1, Prescale Register
CPU-Timer 1, Prescale Register High
CPU-Timer 2, Counter Register
CPU-Timer 2, Counter Register High
CPU-Timer 2, Period Register
CPU-Timer 2, Period Register High
CPU-Timer 2, Control Register
TIMER2TPR
TIMER2TPRH
Reserved
CPU-Timer 2, Prescale Register
CPU-Timer 2, Prescale Register High
68
Peripherals
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