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S7G2 Datasheet(PDF) 42 Page - Renesas Technology Corp |
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S7G2 Datasheet(HTML) 42 Page - Renesas Technology Corp |
42 / 116 page R01DS0262EU0100 Rev.1.00 Page 42 of 113 Feb 23, 2016 S7G2 2. Electrical Characteristics Figure 2.2 Ripple waveform 2.3 AC Characteristics 2.3.1 Frequency Note 1. FCLK must run at a frequency of at least 4 MHz when programming or erasing the flash memory. Note 2. See section 9, Clock Generation Circuit in User's Manual for the relationship between the ICLK, PCLKA, PCLKB, PCLKC, PCLKD, FCLK, and BCLK frequencies. Note 3. When the ADC12 is used, the PCLKC frequency must be at least 1 MHz. Note 1. Programming or erasing the flash memory is disabled in low-speed mode. Note 2. See section 9, Clock Generation Circuit in User's Manual for the relationship between the ICLK, PCLKA, PCLKB, PCLKC, PCLKD, FCLK, and BCLK frequencies. Note 3. When the ADC12 is used, the PCLKC frequency must be set to at least 1 MHz. Table 2.10 Operation frequency value in high-speed mode Item Symbol Min Typ Max Unit Operation frequency System clock (ICLK*2) f - - 240 MHz Peripheral module clock (PCLKA)*2 - - 120 Peripheral module clock (PCLKB)*2 -- 60 Peripheral module clock (PCLKC)*2 -*3 -60 Peripheral module clock (PCLKD)*2 - - 120 Flash interface clock (FCLK)*2 -*1 -60 External bus clock (BCLK)*2 - - 120 EBCLK pin output - - 60 SDCLK pin output VCC ≥ 3.0 V - - 120 Table 2.11 Operation frequency value in low-speed mode Item Symbol Min Typ Max Unit Operation frequency System clock (ICLK)*2 f- - 1 MHz Peripheral module clock (PCLKA)*2 -- 1 Peripheral module clock (PCLKB)*2 -- 1 Peripheral module clock (PCLKC)*2,*3 -*3 -1 Peripheral module clock (PCLKD)*2 -- 1 Flash interface clock (FCLK)*1, *2 -- 1 External bus clock (BCLK) - - 1 EBCLK pin output - - 1 Vr(VCC) VCC 1/fr(VCC) |
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