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Advanced-control timers (TIM1&TIM8) RM0008 Bits 7:0 DTG[7:0]: Dead-time generator setup This bit-field defines the duration of the dead-time inserted between the complementary outputs. DT correspond to this duration. DTG[7:5]=0xx => DT=DTG[7:0]x t dtg with t dtg =t DTS . DTG[7:5]=10x => DT=(64+DTG[5:0])xt dtg with T dtg =2xt DTS . DTG[7:5]=110 => DT=(32+DTG[4:0])xt dtg with T dtg =8xt DTS . DTG[7:5]=111 => DT=(32+DTG[4:0])xt dtg with T dtg =16xt DTS . Example if T DTS =125ns (8MHz), dead-time possible values are: 0 to 15875 ns by 125 ns steps, 16 us to 31750 ns by 250 ns steps, 32 us to 63us by 1 us steps, 64 us to 126 us by 2 us steps Note: This bit-field can not be modified as long as LOCK level 1, 2 or 3 has been programmed (LOCK bits in TIMx_BDTR register). 13.4.19 TIM1&TIM8 DMA control register (TIMx_DCR) Address offset: 0x48 Reset value: 0x0000 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Reserved DBL[4:0] Reserved DBA[4:0] Res. rw rw rw rw rw Res. rw rw rw rw rw Bits 15:13 Reserved, always read as 0 Bits 12:8 DBL[4:0]: DMA burst length This 5-bit vector defines the length of DMA transfers (the timer recognizes a burst transfer when a read or a write access is done to the TIMx_DMAR address), i.e. the number of transfers. Transfers can be in half-words or in bytes (see example below). 00000: 1 transfer, 00001: 2 transfers, 00010: 3 transfers, ... 10001: 18 transfers. Example: Let us consider the following transfer: DBL = 7 bytes & DBA = TIM2_CR1. – If DBL = 7 bytes and DBA = TIM2_CR1 represents the address of the byte to be transferred, the address of the transfer should be given by the following equation: (TIMx_CR1 address) + DBA + (DMA index), where DMA index = DBL In this example, 7 bytes are added to (TIMx_CR1 address) + DBA, which gives us the address from/to which the data will be copied. In this case, the transfer is done to 7 registers starting from the following address: (TIMx_CR1 address) + DBA According to the configuration of the DMA Data Size, several cases may occur: – If you configure the DMA Data Size in half-words, 16-bit data will be transferred to each of the 7 registers. – If you configure the DMA Data Size in bytes, the data will aslo be transferred to 7 registers: the first register will contain the first MSB byte, the second register, the first LSB byte and so on. So with the transfer Timer, you also have to specify the size of data transferred by DMA. Bits 7:5 Reserved, always read as 0 316/995 Doc ID 13902 Rev 9
RM0008 Advanced-control timers (TIM1&TIM8) Bits 4:0 DBA[4:0]: DMA base address This 5-bits vector defines the base-address for DMA transfers (when read/write access are done through the TIMx_DMAR address). DBA is defined as an offset starting from the address of the TIMx_CR1 register. Example: 00000: TIMx_CR1, 00001: TIMx_CR2, 00010: TIMx_SMCR, ... 13.4.20 TIM1&TIM8 DMA address for full transfer (TIMx_DMAR) Address offset: 0x4C Reset value: 0x0000 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 DMAB[15:0] rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw Bits 15:0 DMAB[15:0]: DMA register for burst accesses A read or write access to the DMAR register accesses the register located at the address: “(TIMx_CR1 address) + DBA + (DMA index)” in which: TIMx_CR1 address is the address of the control register 1, DBA is the DMA base address configured in TIMx_DCR register, DMA index is the offset automatically controlled by the DMA transfer, depending on the length of the transfer DBL in the TIMx_DCR register. 13.4.21 TIM1&TIM8 register map Table 74. Offset TIM1&TIM8 registers are mapped as 16-bit addressable registers as described in the table below: TIM1&TIM8 register map and reset values Register 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 0x00 0x04 0x08 0x0C 0x10 0x14 CKD CMS TIMx_CR1 Reserved [1:0] [1:0] Reset value 0 0 0 0 0 0 0 0 0 0 ARPE OIS4 OIS3N OIS3 OIS2N OIS2 OIS1N OIS1 TI1S DIR OPM URS UDIS CEN CCDS CCUS Reserved CCPC TIMx_CR2 MMS[2:0] Reserved Reset value 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ETPS TIMx_SMCR ETF[3:0] TS[2:0] SMS[2:0] Reserved [1:0] Reset value 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TIMx_DIER Reserved ETP ECE MSM Reserved TDE COMDE CC4DE CC3DE CC2DE CC1DE UDE BIE TIE COMIE CC4IE CC3IE CC2IE CC1IE UIE Reset value 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 CC4OF CC3OF CC2OF CC1OF Reserved BIF TIF COMIF CC4IF CC3IF CC2IF CC1IF UIF TIMx_SR Reserved Reset value 0 0 0 0 0 0 0 0 0 0 0 0 BG TG COM CC4G CC3G CC2G CC1G UG TIMx_EGR Reserved Reset value 0 0 0 0 0 0 0 0 Doc ID 13902 Rev 9 317/995
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RM0008 Reference manual STM32F101xx
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RM0008 Contents 4.3.1 Slowing down
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RM0008 Contents 7.3.4 APB2 peripher
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RM0008 Contents 10.1 DMA introducti
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RM0008 Contents 12.3.2 DAC output b
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RM0008 Contents 13.4.6 TIM1&TIM8 ev
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RM0008 Contents 15.4.8 TIM6&TIM7 au
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RM0008 Contents 20 Secure digital i
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RM0008 Contents 21.5.2 Endpoint-spe
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RM0008 Contents 23.5.10 SPI registe
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RM0008 Contents 26.5 USB peripheral
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RM0008 Contents 27.7 Ethernet inter
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RM0008 List of tables List of table
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RM0008 List of tables Table 100. FS
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RM0008 List of tables Table 202. Pa
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RM0008 List of figures Figure 49. D
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RM0008 List of figures preloaded).
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RM0008 List of figures Figure 255.
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RM0008 Documentation conventions 1
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RM0008 Memory and bus architecture
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RM0008 CRC calculation unit 3.3 CRC
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RM0008 Power control (PWR) 4 Power
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RM0008 Power control (PWR) Note: Du
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RM0008 Power control (PWR) 4.3 Low-
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RM0008 Power control (PWR) Table 9.
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RM0008 Power control (PWR) switched
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RM0008 Power control (PWR) Bit 8 DB
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RM0008 Power control (PWR) 4.4.3 PW
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RM0008 Backup registers (BKP) 5.3 B
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RM0008 Backup registers (BKP) Bit 6
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RM0008 Backup registers (BKP) Table
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RM0008 Backup registers (BKP) Table
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RM0008 Low-, medium- and high-densi
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RM0008 Interrupts and events 9 Inte
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RM0008 Interrupts and events Table
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RM0008 Interrupts and events Table
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. RM0008 Interrupts and events 9.2.
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RM0008 Interrupts and events Figure
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RM0008 Interrupts and events 9.3.3
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RM0008 Interrupts and events 9.3.7
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RM0008 DMA controller (DMA) Figure
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RM0008 DMA controller (DMA) Table 5
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RM0008 DMA controller (DMA) 10.4 DM
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RM0008 DMA controller (DMA) 10.4.3
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RM0008 DMA controller (DMA) 10.4.5
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RM0008 DMA controller (DMA) Table 5
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RM0008 Analog-to-digital converter
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RM0008 General-purpose timer (TIMx)
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RM0008 Basic timers (TIM6&TIM7) 15
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RM0008 Basic timers (TIM6&TIM7) Pre
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RM0008 Basic timers (TIM6&TIM7) Fig
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RM0008 Basic timers (TIM6&TIM7) Fig
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RM0008 Basic timers (TIM6&TIM7) 15.
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RM0008 Basic timers (TIM6&TIM7) 15.
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RM0008 Real-time clock (RTC) 16 Rea
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RM0008 Real-time clock (RTC) Figure
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RM0008 Real-time clock (RTC) 16.3.5
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RM0008 Independent watchdog (IWDG)
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RM0008 Window watchdog (WWDG) Figur
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RM0008 Window watchdog (WWDG) 18.6
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RM0008 Serial peripheral interface
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RM0008 Ethernet (ETH): media access
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RM0008 Device electronic signature
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RM0008 Debug support (DBG) Figure 3
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RM0008 Debug support (DBG) JTAG-DP
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RM0008 Debug support (DBG) Bits 31:
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RM0008 Debug support (DBG) Figure 3
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RM0008 Revision history 30 Revision
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RM0008 Index ETH_MACMIIDR . . . . .
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RM0008 Please Read Carefully: Infor
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