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AT32F413
Series Reference Manual
2022.06.27
Page 251
Rev 2.00
14.3.4.19
TMR1 and TMR8 DMA control register (TMRx_ DMACTRL)
Bit
Register
Reset value
Type
Description
Bit 15:13
Reserved
0x0
resd
Kept at its default value.
Bit 12:8
DTB
0x00
rw
DMA transfer bytes
This field defines the number of DMA transfers:
00000: 1 byte 00001: 2 bytes
00010: 3 bytes 00011: 4 bytes
...... ......
10000: 17 bytes 10001: 18 bytes
Bit 7:5
Reserved
0x0
resd
Kept at its default value.
Bit 4: 0
ADDR
0x00
rw
DMA transfer address offset
ADDR is defined as an offset starting from the address of
the TMRx_CTRL1 register:
00000: TMRx_CTRL1
00001: TMRx_CTRL2
00010: TMRx_STCTRL
......
14.3.4.20
TMR1 and TMR8 DMA data register (TMRx_ DMADT)
Bit
Register
Reset value
Type
Description
Bit 15: 0
DMADT
0x0000
rw
DMA data register
A write/read operation to the DMADT register accesses
any TMR register located at the following address:
TMRx peripheral a ADDR*4 to TMRx peripheral
a ADDR*4 + DTB*4