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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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R5F10RB8AFP датащи(PDF) 53 Page - Renesas Technology Corp |
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R5F10RB8AFP датащи(HTML) 53 Page - Renesas Technology Corp |
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53 / 76 page  RL78/L12 2. ELECTRICAL SPECIFICATIONS (TARGET) Page 53 of 73 R01DS0157EJ0001 Rev.0.01 2012.02.20 Under development Preliminary document Specifications in this document are tentative and subject to change. Caution The pins mounted depend on the product. Refer to 1.3.1 32-pin products to 1.3.5 64-pin products. 2.5.2 Serial interface IICA (TA = −40 to +85°C, 1.6 V ≤ EVDD = VDD ≤ 5.5 V, VSS = EVSS = 0 V) Standard Mode Fast Mode Fast Mode Plus Parameter Symbol Conditions MIN. MAX. MIN. MAX. MIN. MAX. Unit Fast mode plus: fCLK ≥ 10 MHz 2.7 V ≤ EVDD ≤ 5.5 V 0 1000 kHz Fast mode: fCLK ≥ 3.5 MHz 1.8 V ≤ EVDD ≤ 5.5 V 0 400 kHz SCLA0 clock frequency fSCL Normal mode: fCLK ≥ 1 MHz 1.6 V ≤ EVDD ≤ 5.5 V 0 100 kHz Setup time of restart condition Note 1 tSU:STA 4.7 0.6 0.26 μs Hold time tHD:STA 4.0 0.6 0.26 μs Hold time when SCLA0 = “L” tLOW 4.7 1.3 0.5 μs Hold time when SCLA0 = “H” tHIGH 4.0 0.6 0.26 μs Data setup time (reception) tSU:DAT 250 100 50 ns Data hold time (transmission) Note 2 tHD:DAT 0 3.45 0 0.9 0 μs Setup time of stop condition tSU:STO 4.0 0.6 0.26 μs Bus-free time tBUF 4.7 1.3 0.5 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 wait state is inserted in the ACK (acknowledge) timing. 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. Standard mode: Cb = 400 pF, Rb = 2.7 k Ω Fast mode: Cb = 320 pF, Rb = 1.1 k Ω Fast mode plus: Cb = 120 pF, Rb = 1.1 k Ω IICA serial transfer timing tLOW tLOW tHIGH tHD:STA Stop condition Start condition Restart condition Stop condition tSU:DAT tSU:STA tSU:STO tHD:STA tHD:DAT SCL0 SDA0 |
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