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H8SX/1663 Datasheet(PDF) 1126 Page - Renesas Technology Corp |
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H8SX/1663 Datasheet(HTML) 1126 Page - Renesas Technology Corp |
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1126 / 1158 page ![]() Section 25 Electrical Characteristics Rev.1.00 Jun. 07, 2006 Page 1074 of 1102 REJ09B0294-0100 B φ BACK tBRQOD tBRQOD BREQO Figure 25.34 External Bus Request Output Timing 25.3.4 DMAC Timing Table 25.7 DMAC Timing Conditions: V CC = PLLVCC = DrVCC = 3.0 V to 3.6 V, AVCC = 3.0 V to 3.6 V, Vref = 3.0 V to AVCC, V SS = PLLVSS = DrVSS = AVSS = 0 V, Bφ = 8 MHz to 50 MHz, T a = –20°C to +75°C (regular specifications), T a = –40°C to +85°C (wide-range specifications) Item Symbol Min. Max. Unit Test Conditions DREQ setup time t DRQS 20 ns Figure 25.35 DREQ hold time t DRQH 5 ns TEND delay time t TED 15 ns Figure 25.36 DACK delay time 1 t DACD1 15 ns DACK delay time 2 t DACD2 15 ns Figures 25.37, 25.38 B φ DREQ0 to DREQ3 tDRQS tDRQH Figure 25.35 DMAC ( DREQ) Input Timing |
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