Differences

This shows you the differences between two versions of the page.

--- stm32:peripherals:dma_connection [2016/10/06 07:37] – feur
+++ stm32:peripherals:dma_connection [2022/12/28 07:53] (current) – [Periphery/Memory Interface] ruan
@@ Line 2: / Line 2: @@
 Each DMA controller is connected to the rest of the system in a different way. \\
+For memory to memory transfers you should use the DMA controller 2! \\
-\\ {{ahb_bus_matrix.svg?700em}} \\ \\
+\\ {{dma1_matrix.svg?350em}} {{dma2_matrix.svg?350em}} \\ \\
 ===== DMA controller 1 =====
+==== Peripheral Interface ====
-\\ {{?700em}} \\ \\
+On the peripheral interface the following marked peripherals are accessible. \\
+The <color red>red</color> peripherals can request a DMA transfer (see table below). \\
+\\ {{dma1_periphery.svg?350em}} \\ \\
 |< 100% 7em >|
@@ Line 22: / Line 27: @@
 ^ Channel 7 | | TIM6 Up | I2C2 RX | I2C2 RX | USART3 TX | DAC1 | DAC2 | I2C2 TX |
-==== DMA2 ====
+==== Memory Interface ====
+On the memory interface the following marked peripherals are accessible. \\
+\\ {{dma1_memory.svg?350em}} \\ \\
+===== DMA controller 2 =====
+==== Peripheral/Memory Interface ====
+This DMA controller can access the same peripherals on the memory interface as on the peripheral interface. \\
+The <color red>red</color> peripherals can request a DMA transfer (see table below). \\
-\\ {{?700em}} \\ \\
+\\ {{dma2_mem_per.svg?350em}} \\ \\
 |< 100% 7em >|