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NRF52820-QDAA-R Datasheet(PDF) 322 Page - Nordic Semiconductor |
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NRF52820-QDAA-R Datasheet(HTML) 322 Page - Nordic Semiconductor |
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322 / 437 page  Peripherals 6.22.7.30 ADDRESS Address offset: 0x588 Address used in the TWI transfer 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 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 ADDRESS Address used in the TWI transfer 6.22.8 Electrical specification 6.22.8.1 TWIM interface electrical specifications Symbol Description Min. Typ. Max. Units fTWIM,SCL Bit rates for TWIM29 100 400 kbps tTWIM,START Time from STARTRX/STARTTX task to transmission started 1.5 µs 6.22.8.2 Two Wire Interface Master (TWIM) timing specifications Symbol Description Min. Typ. Max. Units tTWIM,SU_DAT Data setup time before positive edge on SCL – all modes 300 ns tTWIM,HD_DAT Data hold time after negative edge on SCL – 100, 250 and 400 kbps 500 ns tTWIM,HD_STA,100kbps TWIM master hold time for START and repeated START condition, 100 kbps 9937.5 ns tTWIM,HD_STA,250kbps TWIM master hold time for START and repeated START condition, 250 kbps 3937.5 ns tTWIM,HD_STA,400kbps TWIM master hold time for START and repeated START condition, 400 kbps 2437.5 ns tTWIM,SU_STO,100kbps TWIM master setup time from SCL high to STOP condition, 100 kbps 5000 ns tTWIM,SU_STO,250kbps TWIM master setup time from SCL high to STOP condition, 250 kbps 2000 ns tTWIM,SU_STO,400kbps TWIM master setup time from SCL high to STOP condition, 400 kbps 1250 ns tTWIM,BUF,100kbps TWIM master bus free time between STOP and START conditions, 100 kbps 5800 ns tTWIM,BUF,250kbps TWIM master bus free time between STOP and START conditions, 250 kbps 2700 ns tTWIM,BUF,400kbps TWIM master bus free time between STOP and START conditions, 400 kbps 2100 ns 29 High bit rates or stronger pull-ups may require GPIOs to be set as High Drive, see GPIO — General purpose input/output on page 127 for more details. 4463_156 v1.0 322 |
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