README.DMA.txt
1Allocation of DMA Streams
2
3DMA1:
4Stream#0: Channel#1 (I2C1_RX) I2C1_DMA_RX_CFG_A i2c-to-AP
5Stream#1: Channel#1 (I2C3_RX) I2C3_DMA_RX_CFG_A i2c-to-ext
6Stream#2: Channel#7 (I2C2_RX) I2C2_DMA_RX_CFG_A i2c-to-sens
7Stream#3: Channel#0 (SPI2_RX) SPI2_DMA_RX_CFG spi-to-sens
8Stream#4: Channel#0 (SPI2_TX) SPI2_DMA_TX_CFG spi-to-sens
9Stream#5: Channel#6 (I2C3_TX) I2C3_DMA_TX_CFG_B i2c-to-sens
10Stream#6: Channel#1 (I2C1_TX) I2C1_DMA_TX_CFG_B i2c-to-AP
11Stream#7: Channel#7 (I2C2_TX) I2C2_DMA_TX_CFG i2c-to-sens
12
13DMA2:
14Stream#0:
15Stream#1:
16Stream#2: Channel#3 (SPI1_RX) SPI1_DMA_RX_CFG_B spi-to-AP
17Stream#3: Channel#2 (I2S5_RX) SPI5_DMA_RX_CFG_A i2s-to-mic
18Stream#4: Channel#2 (I2S5_TX) SPI5_DMA_TX_CFG_A i2s-to-mic
19Stream#5: Channel#3 (SPI1_TX) SPI1_DMA_TX_CFG_B spi-to-AP
20Stream#6:
21Stream#7:
22
README.GPIO.txt
1Allocation of GPIOs and EXTI interrupts
2
3PA0 WAKEUP EXTI0_IRQn
4PA1 WIRQ1
5PA2 SW_USR EXTI2_IRQn (connected to INT_HUM too, but Humidity driver does not use it)
6PA3 WIRQ2
7PA4 SPI1_NSS (slave)
8PA5 SPI1_SCK (slave)
9PA6 SPI1_MISO (slave)
10PA7 SPI1_MOSI (slave)
11PA8 I2C3_SCL
12PA9 UART1_TX
13PA10 UART1_RX
14PA11 EXT_GPIO0 EXTI15_10_IRQn
15PA12 EXT_GPIO1 EXTI15_10_IRQn
16PA13 SWDIO
17PA14 SWCLK
18PA15 INT_BARO EXTI15_10_IRQn
19
20PB0 I2S5_CK
21PB1 INT_ACCG EXTI1_IRQn
22PB2 LED1 (at reset it is used in input as BOOT1)
23PB3 INT_ALS EXTI3_IRQn
24PB4 I2C3_SDA
25PB5 INT_HALL EXTI9_5_IRQn
26PB6 I2C1_SCL (slave)
27PB7 I2C1_SDA (slave)
28PB8 I2S5_SD
29PB9 I2C2_SDA
30PB10 I2C2_SCL
31PB12 SPI2_NSS
32PB13 SPI2_SCK
33PB14 SPI2_MISO
34PB15 SPI2_MOSI
35
36PC13 LED0
37