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R5F10DMDCLFB 数据表(PDF) 78 Page - Renesas Technology Corp |
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R5F10DMDCLFB 数据表(HTML) 78 Page - Renesas Technology Corp |
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78 / 139 page ![]() RL78/D1A 3. ELECTRICAL SPECIFICATIONS (J GRADE PRODUCT) R01DS0463EJ0120 Rev. 1.20 Page 78 of 135 Mar 31, 2026 3.5.6 Serial interface: simplified I2C operation TA = -40 to +85 °C 2.7 V ≤ EVDD0 = EVDD1 ≤ VDD = ≤ 5.5 V, VSS = EVSS0 = EVSS1 = 0 V Items Symbols Conditions Min. Max. Unit SCL clock frequency fSCL Rb = 3 k Ω, Cb = 100 pF 400 kHz Hold time during SCL = ”L” tLOW Rb = 3 k Ω, Cb = 100 pF 1150 ns Hold time during SCL = ”H” tHIGH Rb = 3 k Ω, Cb = 100 pF 1150 ns Data set up time (reception) tSU;DAT Rb = 3 k Ω, Cb = 100 pF 1/fMCK+85 ns Data hold time (transmission) tHD;DAT Rb = 3 k Ω, Cb = 100 pF 0 305 ns Caution Different voltage between EVDD and VDD is allowed only when LCDM register is initial value. Figure 3-11 simplified I2C connection diagram Figure 3-12. Simplified I2C mode serial transfer timing 1/fSCL tLOW tHIGH SCL SDA tHD:DAT tSU:DAT VIH VIL VIH VIL SCL SCL SDA SDA User's device D1A Rb VDD |
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