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NRF52820-QDAA-R Datasheet(PDF) 339 Page - Nordic Semiconductor |
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NRF52820-QDAA-R Datasheet(HTML) 339 Page - Nordic Semiconductor |
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339 / 437 page  Peripherals 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 B A Reset 0x00000001 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 1 ID Access Field Value ID Value Description A-B RW ADDRESS[i] (i=0..1) Enable or disable address matching on ADDRESS[i] Disabled 0 Disabled Enabled 1 Enabled 6.23.8.31 ORC Address offset: 0x5C0 Over-read character. Character sent out in case of an over-read of the transmit buffer. 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 A A A A A A 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 RW ORC Over-read character. Character sent out in case of an over- read of the transmit buffer. 6.23.9 Electrical specification 6.23.9.1 TWIS slave timing specifications Symbol Description Min. Typ. Max. Units fTWIS,SCL Bit rates for TWIS30 100 400 kbps tTWIS,START Time from PREPARERX/PREPARETX task to ready to receive/ transmit 1.5 µs tTWIS,SU_DAT Data setup time before positive edge on SCL – all modes 300 ns tTWIS,HD_DAT Data hold time after negative edge on SCL – all modes 500 ns tTWIS,HD_STA,100kbps TWI slave hold time from for START condition (SDA low to SCL low), 100 kbps 5200 ns tTWIS,HD_STA,400kbps TWI slave hold time from for START condition (SDA low to SCL low), 400 kbps 1300 ns tTWIS,SU_STO,100kbps TWI slave setup time from SCL high to STOP condition, 100 kbps 5200 ns tTWIS,SU_STO,400kbps TWI slave setup time from SCL high to STOP condition, 400 kbps 1300 ns tTWIS,BUF,100kbps TWI slave bus free time between STOP and START conditions, 100 kbps 4700 ns tTWIS,BUF,400kbps TWI slave bus free time between STOP and START conditions, 400 kbps 1300 ns 30 High bit rates or stronger pull-ups may require GPIOs to be set as High Drive, see GPIO chapter for more details. 4463_156 v1.0 339 |
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