DocID024597 Rev 5 1515/1830
RM0351 Single Wire Protocol Master Interface (SWPMI)
1517
44.6.7 SWPMI Transmit data register (SWPMI_TDR)
Address offset: 0x1C
Reset value: 0x0000 0000
44.6.8 SWPMI Receive data register (SWPMI_RDR)
Address offset: 0x20
Reset value: 0x0000 0000
44.6.9 SWPMI Option register (SWPMI_OR)
Address offset: 0x24
Reset value: 0x0000 0000
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
TD[31:16]
wwwwww w w w w w w w w w w
1514131211109876543210
TD[15:0]
wwwwww w w w w w w w w w w
Bits 31:0 TD[31:0]: Transmit data
Contains the data to be transmitted.
Writing to this register triggers the SOF transmission or the next payload data transmission,
and clears the TXE flag.
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
RD[31:16]
rrrrrr r r r r rrrrrr
1514131211109876543210
RD[15:0]
rrrrrr r r r r rrrrrr
Bits 31:0 RD[31:0]: received data
Contains the received data
Reading this register is clearing the RXNE flag.
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res.
1514131211109876543210
SWP_
CLASS
SWP_
TBYP
rw rw
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