24 ELECTRICAL CHARACTERISTICS300 EPSON S1C17001 TECHNICAL MANUAL24.5 AC Characteristics24.5.1 SPI AC CharacteristicsSPICLK(CPOL = 0)SPICLK(CPOL = 1)SDISDOt SPCKtSDO tSDHtSDSMaster modeUnless otherwise specified: HVDD = 1.65 to 3.6V, LVDD = 1.65 to 2.7V, VSS = 0V, Ta = -40 to 85°CItem Code Min. Typ. Max. UnitsSPICLK cycle time tSPCK 500 nsSDI setup time tSDS 70 nsSDI hold time tSDH 10 nsSDO output delay time tSDO 20 nsSlave modeUnless otherwise specified: HVDD = 1.65 to 3.6V, LVDD = 1.65 to 2.7V, VSS = 0V, Ta = -40 to 85°CItem Code Min. Typ. Max. UnitsSPICLK cycle time tSPCK 500 nsSDI setup time tSDS 10 nsSDI hold time tSDH 10 nsSDO output delay time tSDO 80 ns24.5.2 I2C AC CharacteristicsSCLSDAt SCLtSTH tSDD t SPHUnless otherwise specified: HVDD = 1.65 to 3.6V, LVDD = 1.65 to 2.7V, VSS = 0V, Ta = -40 to 85°CItem Code Min. Typ. Max. UnitsSCL cycle time tSCL 2500 nsStart condition hold time tSTH 1/fSYS nsData output delay time t SDD 1/fSYS nsStop condition hold time t SPH 1/fSYS ns∗ f SYS : System operation clock frequency