ST STM32F100 Series Reference Manual page 264

Advanced-control timer (TIM1)
Bit 12 CC4DE: Capture/Compare 4 DMA request enable
Bit 11 CC3DE: Capture/Compare 3 DMA request enable
Bit 10 CC2DE: Capture/Compare 2 DMA request enable
Bit 9 CC1DE: Capture/Compare 1 DMA request enable
Bit 8 UDE: Update DMA request enable
Bit 7 BIE: Break interrupt enable
Bit 6 TIE: Trigger interrupt enable
Bit 5 COMIE: COM interrupt enable
Bit 4 CC4IE: Capture/Compare 4 interrupt enable
Bit 3 CC3IE: Capture/Compare 3 interrupt enable
Bit 2 CC2IE: Capture/Compare 2 interrupt enable
Bit 1 CC1IE: Capture/Compare 1 interrupt enable
Bit 0 UIE: Update interrupt enable
264/709
0: CC4 DMA request disabled
1: CC4 DMA request enabled
0: CC3 DMA request disabled
1: CC3 DMA request enabled
0: CC2 DMA request disabled
1: CC2 DMA request enabled
0: CC1 DMA request disabled
1: CC1 DMA request enabled
0: Update DMA request disabled
1: Update DMA request enabled
0: Break interrupt disabled
1: Break interrupt enabled
0: Trigger interrupt disabled
1: Trigger interrupt enabled
0: COM interrupt disabled
1: COM interrupt enabled
0: CC4 interrupt disabled
1: CC4 interrupt enabled
0: CC3 interrupt disabled
1: CC3 interrupt enabled
0: CC2 interrupt disabled
1: CC2 interrupt enabled
0: CC1 interrupt disabled
1: CC1 interrupt enabled
0: Update interrupt disabled
1: Update interrupt enabled
RM0041 Rev 6
RM0041