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NRF9160-SICA-R7 Datasheet(PDF) 310 Page - Nordic Semiconductor |
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NRF9160-SICA-R7 Datasheet(HTML) 310 Page - Nordic Semiconductor |
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310 / 400 page  Peripherals 6.17.9 Electrical specification 6.17.9.1 TWIM interface electrical specifications Symbol Description Min. Typ. Max. Units fTWIM,SCL Bit rates for TWIM18 100 400 kbps tTWIM,START Time from STARTRX/STARTTX task to transmission started 1.615 µs 6.17.9.2 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 10000 ns tTWIM,HD_STA,250kbps TWIM master hold time for START and repeated START condition, 250 kbps 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 SCL SDA tHD_STA tSU_DAT tHD_DAT 1/fSCL tSU_STO tBUF Figure 95: TWIM timing diagram, 1 byte transaction 18 High bit rates or stronger pull-ups may require GPIOs to be set as High Drive, see GPIO — General purpose input/output on page 97 for more details. 4418_1315 v2.0 310 |
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