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HB7121BELECTRONICS Scheda tecnica(PDF) 6 Page - Hynix Semiconductor |
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HB7121BELECTRONICS Scheda tecnica(HTML) 6 Page - Hynix Semiconductor |
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6 / 29 page ![]() HB7121B Electronics Industries Co., Ltd. CMOS IMAGE SENSOR System IC Division With 8-bit ADC This document is a general product description and is subject to change without notice. Hyundai Electronics does not assume any responsibility for use of circuits described. NO patent licenses are implied. DA21991011R_1.0 - 6 - 1999 Hyundai System IC Division PRELIMINARY INPUT / OUTPUT AC CHARACTERISTICS CONTINUE I 2C Bus (Programming Serial Bus) Timing I 2C Bus Interface Timing Parameter Symbol Min. Max. Unit SCK clock frequency f sck 0 400 KHz Time that I 2C bus must be free before a new transmission can start t buf 1.2 us Hold time for a START t hd;sta 1.0 us LOW period of SCK t low 1.2 us HIGH period of SCK t high 1.0 us Setup time for START t su;sta 1.2 us Data hold time t hd;dat 1.3 us Data setup time t su;dat 250 ns Rise time of both SDA and SCK t r 250 ns Fall time of both SDA and SCK t f 300 ns Setup time for STOP t su;sto 1.2 us Capacitive load of each bus lines(SDA,SCK) C b pf SDA SCK stop start tbu f tlow tr thd;sta thd;dat thigh tsu;da t tsu;sta tsu;sto stop start tf thd;sta |
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