STC micro STC8A8K64D4 Series - M2 M_DMA Transfer Complete Byte Register (DMA_M2 M_DONE); M2 M_DMA Send Address Registers (Dma_M2 M_Txax); M2 M_DMA Receive Address Registers (Dma_M2 M_Rxax)

STC8A8K64D4 Series Manual
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DMA_M2M_AMT
FA03H
DMA_M2M_AMT: Set the number of bytes that need to read and write data.
Note: The actual number of bytes read and written is (DMA_M2M_AMT+1), that is, when
DMA_M2M_AMT is set to 0, 1 byte is read and written, and when DMA_M2M_AMT is set to 255, 256
bytes are read and written.
23.2.5 M2M_DMA transfer complete byte register (DMA_M2M_DONE)
Symbol
Address
B7
B6
B5
B4
B3
B2
B1
B0
DMA_M2M_DONE
FA04H
DMA_M2M_DONE: The number of bytes that have been read and written currently.
23.2.6 M2M_DMA Send Address Registers (DMA_M2M_TXAx)
Symbol
Address
B7
B6
B5
B4
B3
B2
B1
B0
DMA_M2M_TXAH
FA05H
ADDR[15:8]
DMA_M2M_TXAL
FA06H
ADDR[7:0]
DMA_M2M_TXA: Set the source address when reading and writing data. Data will be read from this address when
the M2M_DMA operation is performed.
23.2.7 M2M_DMA Receive Address Registers (DMA_M2M_RXAx)
Symbol
Address
B7
B6
B5
B4
B3
B2
B1
B0
DMA_M2M_RXAH
FA07H
ADDR[15:8]
DMA_M2M_RXAL
FA08H
ADDR[7:0]
DMA_M2M_RXA: Set the target address when reading and writing data. Data will be written from this address when
the M2M_DMA operation is performed.