RM0351
15
14
13
rw
rw
rw
Bits 31:16 CCR3[31:16]: High Capture/Compare 3 value (on TIM2 and TIM5)
Bits 15:0 CCR3[15:0]: Low Capture/Compare value
If channel CC3 is configured as output:
CCR3 is the value to be loaded in the actual capture/compare 3 register (preload value).
It is loaded permanently if the preload feature is not selected in the TIMx_CCMR2 register (bit
OC3PE). Else the preload value is copied in the active capture/compare 3 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 OC3 output.
If channel CC3is configured as input:
CCR3 is the counter value transferred by the last input capture 3 event (IC3).
27.4.16
TIMx capture/compare register 4 (TIMx_CCR4)
Address offset: 0x40
Reset value: 0x0000
31
30
29
rw
rw
rw
15
14
13
rw
rw
rw
Bits 31:16 CCR4[31:16]: High Capture/Compare 4 value (on TIM2 and TIM5)
Bits 15:0 CCR4[15:0]: Low Capture/Compare value
1.
2.
12
11
10
9
rw
rw
rw
rw
28
27
26
25
CCR4[31:16] (depending on timers)
rw
rw
rw
rw
12
11
10
9
rw
rw
rw
rw
if CC4 channel is configured as output (CC4S bits):
CCR4 is the value to be loaded in the actual capture/compare 4 register (preload value).
It is loaded permanently if the preload feature is not selected in the TIMx_CCMR2
register (bit OC4PE). Else the preload value is copied in the active capture/compare 4
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 OC4 output.
if CC4 channel is configured as input (CC4S bits in TIMx_CCMR4 register):
CCR4 is the counter value transferred by the last input capture 4 event (IC4).
DocID024597 Rev 3
General-purpose timers (TIM2/TIM3/TIM4/TIM5)
8
7
6
5
CCR3[15:0]
rw
rw
rw
rw
24
23
22
21
rw
rw
rw
rw
8
7
6
5
CCR4[15:0]
rw
rw
rw
rw
4
3
2
1
rw
rw
rw
rw
20
19
18
17
rw
rw
rw
rw
4
3
2
1
rw
rw
rw
rw
0
rw
16
rw
0
rw
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