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R5F10366ASP Datasheet(PDF) 94 Page - Renesas Technology Corp |
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R5F10366ASP Datasheet(HTML) 94 Page - Renesas Technology Corp |
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94 / 114 page  RL78/G12 3. ELECTRICAL SPECIFICATIONS (G: INDUSTRIAL APPLICATIONS TA = –40 to +105°C) R01DS0193EJ0250 Rev.2.50 Jan 17, 2025 Page 94 of 109 3.5.2 Serial interface IICA (TA = –40 to +105°C, 2.4 V ≤ VDD ≤ 5.5 V, VSS = 0 V) Parameter Symbol Conditions HS (high-speed main) mode Unit Standard Mode Fast Mode MIN. MAX. MIN. MAX. SCLA0 clock frequency fSCL Fast mode: fCLK ≥ 3.5 MHz 0 400 kHz Normal mode: fCLK ≥ 1 MHz 0 100 kHz Setup time of restart condition tSU:STA 4.7 0.6 µs Hold timeNote 1 tHD:STA 4.0 0.6 µs Hold time when SCLA0 = “L” tLOW 4.7 1.3 µs Hold time when SCLA0 = “H” tHIGH 4.0 0.6 µs Data setup time (reception) tSU:DAT 250 100 ns Data hold time (transmission)Note 2 tHD:DAT 0 3.45 0 0.9 µs Setup time of stop condition tSU:STO 4.0 0.6 µs Bus-free time tBUF 4.7 1.3 µs Notes 1. The first clock pulse is generated after this period when the start/restart condition is detected. 2. The maximum value (MAX.) of tHD:DAT is during normal transfer and a clock stretch state is inserted in the ACK (acknowledge) timing. Caution Only in the 30-pin products, the values in the above table are applied even when bit 2 (PIOR2) in the peripheral I/O redirection register (PIOR) is 1. At this time, the pin characteristics (IOH1, IOL1, VOH1, VOL1) must satisfy the values in the redirect destination. Remark The maximum value of Cb (communication line capacitance) and the value of Rb (communication line pull-up resistor) at that time in each mode are as follows. Normal mode: Cb = 400 pF, Rb = 2.7 k Ω Fast mode: Cb = 320 pF, Rb = 1.1 k Ω IICA serial transfer timing tLOW tR tHIGH tF tBUF tHD:DAT tSU:DAT tHD:STA tSU:STA tHD:STA tSU:STO SCLA0 SDAA0 Stop condition Start condition Restart condition Stop condition |
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