I - 19Chapter 1 OverviewElectrical Characteristics1-5-2 Operating Conditions*1 tc1, tc2, tc3 : 1/2 of high speed oscillationtc4 : 1/2 of high speed oscillation[ NORMAL mode : fs=fosc/2, SLOW mode : fs=fx/2 ]Figure 1-5-1 Crystal Oscillator 1 Figure 1-5-2 Crystal Oscillator 2OSC1RF10OSC2MN101Cfxtal1C12 C11The feedback resistor is built-in.XIXOMN101Cfxtal2C22 C21The feedback resistor is built-in.RF20Ta=-40 oC to +85 oC VDD =1.8 V to 3.6 V, VSS=0 VPower supply voltagefosc < 20.00 MHzfosc < 10.00 MHzfosc < 4.00 MHzfx = 32.768 kHz5Operation speed *1Crystal osillator 1 Figure 1-5-110111213Crystal osillator 2 Figure 1-5-214151617fs = fosc /22.11.81.83.60.11.8VDD = 1.8 V to 3.6 VV3.63.63.6μs0.50.261.046Minimum instructionexecution timetc17 tc29 tc48 tc3Voltage to maintain RAM data VDD5 During STOP modeVDD = 2.5 V to 3.6 VVDD = 2.1 V to 3.6 VVDD = 1.8 V to 3.6 V3Power supply voltage4VDD1VDD2VDD4122.5VDD3RatingMIN TYP MAX3.6fs = fosc /2fs = fosc /2fs = fosc /2Crystal frequency fxtal1 VDD = 2.5 V to 3.6 V 1.0 20.0 MHzExternal capasitors C 11 47 pFC 12 47Internal feedback resistor R F10 VDD = 3.3 V 1000 kΩCrystal frequency fxtal2 VDD =1.8 V to 3.6 V 32.768 kHzExternal capasitors C 21 22 pFC 22 226.0 MΩInternal feedback resistor R F20 VDD =3.3 VParameter Symbol Conditions Unit