General-purpose timers (TIM2/TIM3/TIM4)
Address offset: 0x24
Reset value: 0x0000 0000
31
30
29
rw
rw
rw
15
14
13
rw
rw
rw
Bits 31:16 CNT[31:16]: Most significant part counter value (TIM2)
Bits 15:0 CNT[15:0]: Least significant part of counter value
22.4.13
TIMx counter [alternate] (TIMx_CNT)(x = 2 to 4)
Bit 31 of this register has two possible definitions depending on the value of UIFREMAP in
TIMx_CR1 register:
•
Previous section is for UIFREMAP = 0
•
This section is for UIFREMAP = 1
Address offset: 0x24
Reset value: 0x0000 0000
31
30
29
UIFCPY
rw
rw
rw
15
14
13
rw
rw
rw
Bit 31 UIFCPY: UIF Copy
Bits 30:16 CNT[30:16]: Most significant part counter value (TIM2)
Bits 15:0 CNT[15:0]: Least significant part of counter value
22.4.14
TIMx prescaler (TIMx_PSC)(x = 2 to 4)
Address offset: 0x28
Reset value: 0x0000
15
14
13
rw
rw
rw
688/1390
28
27
26
25
rw
rw
rw
rw
12
11
10
9
rw
rw
rw
rw
28
27
26
25
rw
rw
rw
rw
12
11
10
9
rw
rw
rw
rw
This bit is a read-only copy of the UIF bit of the TIMx_ISR register
12
11
10
9
rw
rw
rw
rw
24
23
22
CNT[31:16]
rw
rw
rw
8
7
6
CNT[15:0]
rw
rw
rw
24
23
22
CNT[30:16]
rw
rw
rw
8
7
6
CNT[15:0]
rw
rw
rw
8
7
6
PSC[15:0]
rw
rw
rw
RM0444 Rev 5
21
20
19
18
rw
rw
rw
rw
5
4
3
2
rw
rw
rw
rw
21
20
19
18
rw
rw
rw
rw
5
4
3
2
rw
rw
rw
rw
5
4
3
2
rw
rw
rw
rw
RM0444
17
16
rw
rw
1
0
rw
rw
17
16
rw
rw
1
0
rw
rw
1
0
rw
rw
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