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DSPIC30F Datasheet(PDF) 218 Page - Microchip Technology |
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DSPIC30F Datasheet(HTML) 218 Page - Microchip Technology |
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218 / 248 page  dsPIC30F DS70083G-page 216 Preliminary 2004 Microchip Technology Inc. TABLE 23-32: I2C BUS DATA TIMING REQUIREMENTS (SLAVE MODE) AC CHARACTERISTICS Standard Operating Conditions: 2.5V to 5.5V (unless otherwise stated) Operating temperature -40°C ≤ TA ≤ +85°C for Industrial -40 °C ≤ TA ≤ +125°C for Extended Param No. Symbol Characteristic Min Max Units Conditions IS10 T LO:SCL Clock Low Time 100 kHz mode 4.7 — µs Device must operate at a minimum of 1.5 MHz 400 kHz mode 1.3 — µs Device must operate at a minimum of 10 MHz. 1 MHz mode(1) 0.5 — µs— IS11 T HI:SCL Clock High Time 100 kHz mode 4.0 — µs Device must operate at a minimum of 1.5 MHz 400 kHz mode 0.6 — µs Device must operate at a minimum of 10 MHz 1 MHz mode(1) 0.5 — µs— IS20 T F:SCL SDA and SCL Fall Time 100 kHz mode — 300 ns C B is specified to be from 10 to 400 pF 400 kHz mode 20 + 0.1 C B 300 ns 1 MHz mode(1) — 100 ns IS21 T R:SCL SDA and SCL Rise Time 100 kHz mode — 1000 ns C B is specified to be from 10 to 400 pF 400 kHz mode 20 + 0.1 C B 300 ns 1 MHz mode(1) — 300 ns IS25 T SU:DAT Data Input Setup Time 100 kHz mode 250 — ns — 400 kHz mode 100 — ns 1 MHz mode(1) 100 — ns IS26 T HD:DAT Data Input Hold Time 100 kHz mode 0 — ns — 400 kHz mode 0 0.9 µs 1 MHz mode(1) 00.3 µs IS30 T SU:STA Start Condition Setup Time 100 kHz mode 4.7 — µs Only relevant for repeated Start condition 400 kHz mode 0.6 — µs 1 MHz mode(1) 0.25 — µs IS31 T HD:STA Start Condition Hold Time 100 kHz mode 4.0 — µs After this period the first clock pulse is generated 400 kHz mode 0.6 — µs 1 MHz mode(1) 0.25 — µs IS33 T SU:STO Stop Condition Setup Time 100 kHz mode 4.7 — µs— 400 kHz mode 0.6 — µs 1 MHz mode(1) 0.6 — µs IS34 T HD:STO Stop Condition 100 kHz mode 4000 — ns — Hold Time 400 kHz mode 600 — ns 1 MHz mode(1) 250 ns IS40 T AA:SCL Output Valid From Clock 100 kHz mode 0 3500 ns — 400 kHz mode 0 1000 ns 1 MHz mode(1) 0 350 ns IS45 T BF:SDA Bus Free Time 100 kHz mode 4.7 — µs Time the bus must be free before a new transmission can start 400 kHz mode 1.3 — µs 1 MHz mode(1) 0.5 — µs IS50 C B Bus Capacitive Loading — 400 pF — Note 1: Maximum pin capacitance = 10 pF for all I2C pins (for 1 MHz mode only). |
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