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NRF52811-QCAA-R7 bảng dữ liệu(PDF) 294 Page - Nordic Semiconductor |
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NRF52811-QCAA-R7 bảng dữ liệu(HTML) 294 Page - Nordic Semiconductor |
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294 / 444 page  Peripherals Register Offset Description INTENSET 0x304 Enable interrupt INTENCLR 0x308 Disable interrupt ENABLE 0x500 Enable SPIM PSEL.SCK 0x508 Pin select for SCK PSEL.MOSI 0x50C Pin select for MOSI signal PSEL.MISO 0x510 Pin select for MISO signal FREQUENCY 0x524 SPI frequency. Accuracy depends on the HFCLK source selected. RXD.PTR 0x534 Data pointer RXD.MAXCNT 0x538 Maximum number of bytes in receive buffer RXD.AMOUNT 0x53C Number of bytes transferred in the last transaction RXD.LIST 0x540 EasyDMA list type TXD.PTR 0x544 Data pointer TXD.MAXCNT 0x548 Maximum number of bytes in transmit buffer TXD.AMOUNT 0x54C Number of bytes transferred in the last transaction TXD.LIST 0x550 EasyDMA list type CONFIG 0x554 Configuration register ORC 0x5C0 Over-read character. Character clocked out in case and over-read of the TXD buffer. Table 89: Register overview 6.19.5.1 TASKS_START Address offset: 0x010 Start SPI transaction 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_START Start SPI transaction Trigger 1 Trigger task 6.19.5.2 TASKS_STOP Address offset: 0x014 Stop SPI transaction 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_STOP Stop SPI transaction Trigger 1 Trigger task 6.19.5.3 TASKS_SUSPEND Address offset: 0x01C Suspend SPI transaction 4454_140 v1.0 294 |
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