DocID024597 Rev 3 965/1693
RM0351 General-purpose timers (TIM15/16/17)
1009
28.5 TIM15 registers
Refer to Section 1.1 for a list of abbreviations used in register descriptions.
28.5.1 TIM15 control register 1 (TIM15_CR1)
Address offset: 0x00
Reset value: 0x0000
1514131211109876543210
Res. Res. Res. Res.
UIF RE-
MAP
Res. CKD[1:0] ARPE Res. Res. Res. OPM URS UDIS CEN
rw rw rw rw rw rw rw rw
Bits 15:12 Reserved, must be kept at reset value.
Bit 11 UIFREMAP: UIF status bit remapping
0: No remapping. UIF status bit is not copied to TIMx_CNT register bit 31.
1: Remapping enabled. UIF status bit is copied to TIMx_CNT register bit 31.
Bit 10 Reserved, must be kept at reset value.
Bits 9:8 CKD[1:0]: Clock division
This bitfield indicates the division ratio between the timer clock (CK_INT) frequency and the
dead-time and sampling clock (t
DTS
) used by the dead-time generators and the digital filters
(TIx)
00: t
DTS
= t
CK_INT
01: t
DTS
= 2*t
CK_INT
10: t
DTS
= 4*t
CK_INT
11: Reserved, do not program this value
Bit 7 ARPE: Auto-reload preload enable
0: TIMx_ARR register is not buffered
1: TIMx_ARR register is buffered
Bits 6:4 Reserved, must be kept at reset value.
Bit 3 OPM: One-pulse mode
0: Counter is not stopped at update event
1: Counter stops counting at the next update event (clearing the bit CEN)
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