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DA9220 データシート(PDF) 13 Page - Dialog Semiconductor |
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DA9220 データシート(HTML) 13 Page - Dialog Semiconductor |
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13 / 62 page ![]() DA9220 High-Performance Dual-Channel DC-DC Converter Datasheet Revision 2.1 17-Sep-2020 CFR0011-120-00 13 of 62 © 2020 Dialog Semiconductor 3.8 Timing Characteristics Table 11: I2C Electrical Characteristics Parameter Description Conditions Min Typ Max Unit Electrical Performance tBUS Bus free time between a STOP and START condition 0.5 μs CBUS Bus line capacitive load 150 pF fSCL SCL clock frequency 20 Note 1 1000 kHz tLO_SCL SCL low time 0.5 μs tHI_SCL SCL high time 0.26 μs tRISE SCL and SDA rise time Requirement for input 1000 ns tFALL SCL and SDA fall time Requirement for input 300 ns tSETUP_START Start condition setup time 0.26 μs tHOLD_START Start condition hold time 0.26 μs tSETUP_STOP Stop condition setup time 0.26 μs tDATA Data valid time 0.45 μs tDATA_ACK Data valid acknowledge time 0.45 μs tSETUP_DATA Data setup time 50 ns tHOLD_DATA Data hold time 0 ns Note 1 Minimum clock frequency is limited to 20 kHz if I2C_TIMEOUT is enabled |
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