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NRF52820-QDAA-R Datasheet(PDF) 268 Page - Nordic Semiconductor |
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NRF52820-QDAA-R Datasheet(HTML) 268 Page - Nordic Semiconductor |
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268 / 437 page  Peripherals Register Offset Description PSEL.MOSI 0x510 Pin select for MOSI signal PSEL.CSN 0x514 Pin select for CSN signal PSELSCK 0x508 Pin select for SCK Deprecated PSELMISO 0x50C Pin select for MISO Deprecated PSELMOSI 0x510 Pin select for MOSI Deprecated PSELCSN 0x514 Pin select for CSN Deprecated RXDPTR 0x534 RXD data pointer Deprecated MAXRX 0x538 Maximum number of bytes in receive buffer Deprecated AMOUNTRX 0x53C Number of bytes received in last granted transaction Deprecated RXD.PTR 0x534 RXD data pointer RXD.MAXCNT 0x538 Maximum number of bytes in receive buffer RXD.AMOUNT 0x53C Number of bytes received in last granted transaction RXD.LIST 0x540 EasyDMA list type TXDPTR 0x544 TXD data pointer Deprecated MAXTX 0x548 Maximum number of bytes in transmit buffer Deprecated AMOUNTTX 0x54C Number of bytes transmitted in last granted transaction Deprecated TXD.PTR 0x544 TXD data pointer TXD.MAXCNT 0x548 Maximum number of bytes in transmit buffer TXD.AMOUNT 0x54C Number of bytes transmitted in last granted transaction TXD.LIST 0x550 EasyDMA list type CONFIG 0x554 Configuration register DEF 0x55C Default character. Character clocked out in case of an ignored transaction. ORC 0x5C0 Over-read character Table 84: Register overview 6.17.5.1 TASKS_ACQUIRE Address offset: 0x024 Acquire SPI semaphore Bit number 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 ID A Reset 0x00000000 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ID Access Field Value ID Value Description A W TASKS_ACQUIRE Acquire SPI semaphore Trigger 1 Trigger task 6.17.5.2 TASKS_RELEASE Address offset: 0x028 Release SPI semaphore, enabling the SPI slave to acquire it Bit number 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 ID A Reset 0x00000000 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ID Access Field Value ID Value Description A W TASKS_RELEASE Release SPI semaphore, enabling the SPI slave to acquire it Trigger 1 Trigger task 4463_156 v1.0 268 |
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