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NRF52810-QFAA-R 데이터시트(PDF) 424 Page - Nordic Semiconductor |
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NRF52810-QFAA-R 데이터시트(HTML) 424 Page - Nordic Semiconductor |
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424 / 483 page ![]() Peripherals 6.23.8 Electrical specification 6.23.8.1 TWIM interface electrical specifications Symbol Description Min. Typ. Max. Units fTWIM,SCL Bit rates for TWIM28 100 400 kbps tTWIM,START Time from STARTRX/STARTTX task to transmission started .. .. .. µs 6.23.8.2 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 – all modes 500 ns tTWIM,HD_STA,100kbps TWIM master hold time for START and repeated START condition, 100 kbps 10000 ns tTWIM,HD_STA,250kbps TWIM master hold time for START and repeated START condition, 250kbps 4000 ns tTWIM,HD_STA,400kbps TWIM master hold time for START and repeated START condition, 400 kbps 2500 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 Figure 112: TWIM timing diagram, 1 byte transaction 28 High bit rates or stronger pull-ups may require GPIOs to be set as High Drive, see GPIO chapter for more details. 4430_161 v1.0 424 |
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