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NRF52811-QCAA-R7 Datasheet(PDF) 370 Page - Nordic Semiconductor |
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NRF52811-QCAA-R7 Datasheet(HTML) 370 Page - Nordic Semiconductor |
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370 / 444 page  Peripherals TWI slave signal TWI slave pin Direction Output value Drive strength SCL As specified in PSEL.SCL Input Not applicable S0D1 SDA As specified in PSEL.SDA Input Not applicable S0D1 Table 109: GPIO configuration before enabling peripheral 6.26.8 Registers Base address Peripheral Instance Description Configuration 0x40003000 TWIS TWIS0 Two-wire interface slave Table 110: Instances Register Offset Description TASKS_STOP 0x014 Stop TWI transaction TASKS_SUSPEND 0x01C Suspend TWI transaction TASKS_RESUME 0x020 Resume TWI transaction TASKS_PREPARERX 0x030 Prepare the TWI slave to respond to a write command TASKS_PREPARETX 0x034 Prepare the TWI slave to respond to a read command EVENTS_STOPPED 0x104 TWI stopped EVENTS_ERROR 0x124 TWI error EVENTS_RXSTARTED 0x14C Receive sequence started EVENTS_TXSTARTED 0x150 Transmit sequence started EVENTS_WRITE 0x164 Write command received EVENTS_READ 0x168 Read command received SHORTS 0x200 Shortcuts between local events and tasks INTEN 0x300 Enable or disable interrupt INTENSET 0x304 Enable interrupt INTENCLR 0x308 Disable interrupt ERRORSRC 0x4D0 Error source MATCH 0x4D4 Status register indicating which address had a match ENABLE 0x500 Enable TWIS PSEL.SCL 0x508 Pin select for SCL signal PSEL.SDA 0x50C Pin select for SDA signal RXD.PTR 0x534 RXD Data pointer RXD.MAXCNT 0x538 Maximum number of bytes in RXD buffer RXD.AMOUNT 0x53C Number of bytes transferred in the last RXD transaction RXD.LIST 0x540 EasyDMA list type TXD.PTR 0x544 TXD Data pointer TXD.MAXCNT 0x548 Maximum number of bytes in TXD buffer TXD.AMOUNT 0x54C Number of bytes transferred in the last TXD transaction TXD.LIST 0x550 EasyDMA list type ADDRESS[0] 0x588 TWI slave address 0 ADDRESS[1] 0x58C TWI slave address 1 CONFIG 0x594 Configuration register for the address match mechanism ORC 0x5C0 Over-read character. Character sent out in case of an over-read of the transmit buffer. Table 111: Register overview 6.26.8.1 TASKS_STOP Address offset: 0x014 Stop TWI transaction 4454_140 v1.0 370 |
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