ST STM32F101xx User Manual

DMA controller (DMA) RM0008
272/1096 Doc ID 13902 Rev 12
Figure 51. DMA2 request mapping
Tabl e 79 lists the DMA2 requests for each channel.
Table 79. Summary of DMA2 requests for each channel
Peripherals Channel 1 Channel 2 Channel 3 Channel 4 Channel 5
ADC3
(1)
1. ADC3, SDIO and TIM8 DMA requests are available only in high-density and XL-density devices.
ADC3
SPI/I2S3 SPI/I2S3_RX SPI/I2S3_TX
UART4 UART4_RX UART4_TX
SDIO
(1)
SDIO
TIM5
TIM5_CH4
TIM5_TRIG
TIM5_CH3
TIM5_UP
TIM5_CH2 TIM5_CH1
TIM6/
DAC_Channel1
TIM6_UP/
DAC_Channel1
Fixed hardware priority
Channel 3
internal
HW request 3
HIGH PRIORITY
LOW PRIORITY
Peripheral request signals
Channel 2
HW request 2
Channel 1
SW trigger (MEM2MEM bit)
Channel 1 EN bit
HW request 1
Channel 4
HW request 4
DMA2
Channel 5
HW request 5
request
TIM5_CH2
SDIO
TIM5_CH4
TIM8_UP
TIM7_UP/DAC_Channel2
TIM8_CH3
TIM5_TRIG
Channel 2 EN bit
Channel 3 EN bit
Channel 4 EN bit
Channel 5 EN bit
SW trigger (MEM2MEM bit)
SW trigger (MEM2MEM bit)
SW trigger (MEM2MEM bit)
SW trigger (MEM2MEM bit)
SPI/I2S3_RX
TIM8_CH4
TIM5_UP
TIM5_CH3
TIM8_TRIG
TIM8_COM
SPI/I2S3_TX
TIM8_CH1
UART4_RX
TIM6_UP/DAC_Channel1
ADC3
UART4_TX
TIM8_CH2
TIM5_CH1

ST STM32F101xx Specifications

General

Brand	ST
Model	STM32F101xx
Category	Microcontrollers
Language	English