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MB9AAA0N bảng dữ liệu(PDF) 86 Page - SPANSION |
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MB9AAA0N bảng dữ liệu(HTML) 86 Page - SPANSION |
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86 / 109 page ![]() D a t a S h e e t June 30, 2015, MB9AAA0N_DS706-00067-2v0-E 83 CONFIDENTIAL (10) I 2C Timing (VCC = 1.8V to 5.5V, VSS = 0V, TA = - 40C to + 85C) Parameter Symbol Conditions Standard-mode Fast-mode Unit Remarks Min Max Min Max SCL clock frequency fSCL CL = 50 pF, R = (VP/IOL)* 1 0 100 0 400 kHz (Repeated) START condition hold time SDA SCL tHDSTA 4.0 - 0.6 - μs SCL clock L width tLOW 4.7 - 1.3 - μs SCL clock H width tHIGH 4.0 - 0.6 - μs (Repeated) START condition setup time SCL SDA tSUSTA 4.7 - 0.6 - μs Data hold time SCL SDA tHDDAT 0 3.45* 2 0 0.9* 3 μs Data setup time SDA SCL tSUDAT 250 - 100 - ns STOP condition setup time SCL SDA tSUSTO 4.0 - 0.6 - μs Bus free time between STOP condition and START condition tBUF 4.7 - 1.3 - μs Noise filter tSP - 2 tCYCP* 4 - 2 tCYCP* 4 - ns *1: R and CL represent the pull-up resistor and load capacitance of the SCL and SDA lines, respectively. VP indicates the power supply voltage of the pull-up resistor and IOL indicates VOL guaranteed current. *2: The maximum tHDDAT must satisfy that it does not extend at least L period (tLOW) of device's SCL signal. *3: A Fast-mode I 2C bus device can be used on a Standard-mode I2C bus system as long as the device satisfies the requirement of tSUDAT ≥ 250 ns. *4: tCYCP is the APB bus clock cycle time. About the APB bus number which I 2C is connected to, see Block Diagram in this data sheet. To use Standard-mode, set the APB bus clock at 2 MHz or more. To use Fast-mode, set the APB bus clock at 8 MHz or more. SDA SCL |
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