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S3A3 数据表(PDF) 59 Page - Renesas Technology Corp |
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S3A3 数据表(HTML) 59 Page - Renesas Technology Corp |
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59 / 139 page  R01DS0307EU0100 Rev.1.00 Page 59 of 139 Mar 7, 2017 S3A3 2. Electrical Characteristics 2.3.2 Clock Timing Table 2.22 Clock timing (1 of 2) Parameter Symbol Min Typ Max Unit Test conditions EBCLK pin output cycle time VCC = 2.7 V or above tBcyc 83.3 - - ns Figure 2.26 VCC = 1.8 V or above 125 - - VCC = 1.6 V or above 500 - - EBCLK pin output high pulse width VCC = 2.7 V or above tCH 20 - - ns VCC = 1.8 V or above 30 - - VCC = 1.6 V or above 150 - - EBCLK pin output low pulse width VCC = 2.7 V or above tCL 20 - - ns VCC = 1.8 V or above 30 - - VCC = 1.6 V or above 150 - - EBCLK pin output rise time VCC = 2.7 V or above tCr -- 15 ns VCC = 2.4 V or above - - 25 VCC = 1.8 V or above - - 30 VCC = 1.6 V or above - - 50 EBCLK pin output fall time VCC = 2.7 V or above tCf -- 15 ns VCC = 2.4 V or above - - 25 VCC = 1.8 V or above - - 30 VCC = 1.6 V or above - - 50 EXTAL external clock input cycle time tXcyc 50 - - ns Figure 2.27 EXTAL external clock input high pulse width tXH 20 - - ns EXTAL external clock input low pulse width tXL 20 - - ns EXTAL external clock rising time tXr -- 5 ns EXTAL external clock falling time tXf -- 5 ns EXTAL external clock input wait time*1 tEXWT 0.3 - - μs- EXTAL external clock input frequency fEXTAL -- 20 MHz 2.4 ≤ VCC ≤ 5.5 -- 8 1.8 ≤ VCC < 2.4 -- 1 1.6 ≤ VCC < 1.8 Main clock oscillator oscillation frequency fMAIN 1- 20 MHz 2.4 ≤ VCC ≤ 5.5 1- 8 1.8 ≤ VCC < 2.4 1- 4 1.6 ≤ VCC < 1.8 Main clock oscillation stabilization wait time (crystal)*9 tMAINOSCWT -- -*9 ms LOCO clock oscillation frequency fLOCO 27.8528 32.768 37.6832 kHz - LOCO clock oscillation stabilization time tLOCO -- 100 μs Figure 2.28 IWDT-dedicated clock oscillation frequency fILOCO 12.75 15 17.25 kHz - MOCO clock oscillation frequency fMOCO 6.88 9.2MHz - MOCO clock oscillation stabilization time tMOCO -- 1 μs- |
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