ST STM32L4x6

Direct memory access controller (DMA) RM0351
312/1693 DocID024597 Rev 3
10.5.6 DMA channel x memory address register (DMA_CMARx) (x = 1..7,
where x = channel number)
Address offset: 0x14 + 0d20 × (channel number – 1)
Reset value: 0x0000 0000
This register must not be written when the channel is enabled.
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
MA [31:16]
rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw
1514131211109876543210
MA [15:0]
rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw
Bits 31:0 MA[31:0]: Memory address
Base address of the memory area from/to which the data will be read/written.
When MSIZE is 01 (16-bit), the MA[0] bit is ignored. Access is automatically aligned to a half-
word address.
When MSIZE is 10 (32-bit), MA[1:0] are ignored. Access is automatically aligned to a word
address.