General-purpose timers (TIM2/TIM3/TIM4) RM0444
690/1390 RM0444 Rev 5
22.4.17 TIMx capture/compare register 2 (TIMx_CCR2)(x = 2 to 4)
Address offset: 0x38
Reset value: 0x0000 0000
22.4.18 TIMx capture/compare register 3 (TIMx_CCR3)(x = 2 to 4)
Address offset: 0x3C
Reset value: 0x0000 0000
Bits 31:16 CCR1[31:16]: High Capture/Compare 1 value (TIM2)
Bits 15:0 CCR1[15:0]: Low Capture/Compare 1 value
If channel CC1 is configured as output:
CCR1 is the value to be loaded in the actual capture/compare 1 register (preload value).
It is loaded permanently if the preload feature is not selected in the TIMx_CCMR1 register
(bit OC1PE). Else the preload value is copied in the active capture/compare 1 register when
an update event occurs.
The active capture/compare register contains the value to be compared to the counter
TIMx_CNT and signaled on OC1 output.
If channel CC1is configured as input:
CCR1 is the counter value transferred by the last input capture 1 event (IC1). The
TIMx_CCR1 register is read-only and cannot be programmed.
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
CCR2[31:16]
rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw
1514131211109876543210
CCR2[15:0]
rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw
Bits 31:16 CCR2[31:16]: High Capture/Compare 2 value (TIM2)
Bits 15:0 CCR2[15:0]: Low Capture/Compare 2 value
If channel CC2 is configured as output:
CCR2 is the value to be loaded in the actual capture/compare 2 register (preload value).
It is loaded permanently if the preload feature is not selected in the TIMx_CCMR1 register
(bit OC2PE). Else the preload value is copied in the active capture/compare 2 register when
an update event occurs.
The active capture/compare register contains the value to be compared to the counter
TIMx_CNT and signalled on OC2 output.
If channel CC2 is configured as input:
CCR2 is the counter value transferred by the last input capture 2 event (IC2). The
TIMx_CCR2 register is read-only and cannot be programmed.
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