ST STM32G4 Series Reference Manual page 1175

RM0440
27.6.28 TIMx alternate function register 2 (TIMx_AF2)(x = 1, 8, 20)
Address offset: 0x064
Reset value: 0x0000 0001
31 30 29 28
Res. Res. Res. Res.
15 14 13 12
BK2C BK2C
Res. Res.
MP4P MP3P
rw rw
Bits 31:19 Reserved, must be kept at reset value.
Bits 18:16 OCRSEL[2:0]: ocref_clr source selection
Note: These bits can not be modified as long as LOCK level 1 has been programmed (LOCK
Bits 15:14 Reserved, must be kept at reset value.
Bit 13 BK2CMP4P: tim_brk2_cmp4 input polarity
Note: This bit can not be modified as long as LOCK level 1 has been programmed (LOCK bits
Bit 12 BK2CMP3P: tim_brk2_cmp3 input polarity
Note: This bit can not be modified as long as LOCK level 1 has been programmed (LOCK bits
Bit 11 BK2CMP2P: tim_brk2_cmp2 input polarity
Note: This bit can not be modified as long as LOCK level 1 has been programmed (LOCK bits
27 26 25
Res. Res. Res.
11 10 9
BK2C BK2C BK2IN
MP2P MP1P P
rw rw rw
These bits select the ocref_clr input source.
000: tim_ocref_clr0
001: tim_ocref_clr1
...
111: tim_ocref_clr7
Refer to Section 27.3.2: TIM1/TIM8/TIM20 pins and internal signals
information.
bits in TIMx_BDTR register).
This bit selects the tim_brk2_cmp4 input sensitivity. It must be programmed together with the
BK2P polarity bit.
0: tim_brk2_cmp4 input is active low
1: tim_brk2_cmp4 input is active high
in TIMx_BDTR register).
This bit selects the tim_brk2_cmp3 input sensitivity. It must be programmed together with the
BK2P polarity bit.
0: tim_brk2_cmp3 input is active low
1: tim_brk2_cmp3 input is active high
in TIMx_BDTR register).
This bit selects the tim_brk2_cmp2 input sensitivity. It must be programmed together with the
BK2P polarity bit.
0: tim_brk2_cmp2 input is active low
1: tim_brk2_cmp2 input is active high
in TIMx_BDTR register).
Advanced-control timers (TIM1/TIM8/TIM20)
24 23 22 21
Res. Res. Res. Res.
8 7 6 5
BK2C BK2C BK2C
Res.
MP7E MP6E MP5E
rw rw rw
RM0440 Rev 1
20 19 18
Res. Res. OCRSEL[2:0]
rw
4 3 2
BK2C BK2CMP BK2CMP
MP4E 3E 2E
rw rw rw
for product specific
17 16
rw rw
1 0
BK2CM
BK2INE
P1E
rw rw
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