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R32C 데이터시트(PDF) 89 Page - Renesas Technology Corp |
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R32C 데이터시트(HTML) 89 Page - Renesas Technology Corp |
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89 / 102 page ![]() REJ03B0297-0100 Rev.1.00 Page 89 of 99 Jul 16, 2010 R32C/116A Group 5. Electrical Characteristics VCC =3.3 V Timing Requirements (VCC = 3.0 to 3.6 V, VSS = 0 V, and Ta =Topr, unless otherwise noted) Note: 1. The value is calculated by the following formulas based on a value SSC set by bits SSC4 to SSC0 in the I2CSSCR register: th(SDA-SCL)S = SSC ÷ 2 × tc(φIIC) + 40 [ns] tsu(SCL-SDA)P = (SSC ÷ 2 + 1) × tc(φIIC) + 40 [ns] tw(SDAH)P = (SSC + 1) × tc(φIIC) + 40 [ns] Table 5.60 Multi-master I2C-bus Interface Symbol Characteristic Value Unit Standard-mode Fast-mode Min. Max. Min. Max. tw(SCLH) MSCL input high level pulse width 600 600 ns tw(SCLL) MSCL input low level pulse width 600 600 ns tr(SCL) MSCL input rise time 1000 300 ns tf(SCL) MSCL input fall time 300 300 ns tr(SDA) MSDA input rise time 1000 300 ns tf(SDA) MSDA input fall time 300 300 ns th(SDA-SCL)S MSCL high level hold time after start condition/restart condition (1) 2 × tc(φIIC) + 40 ns tsu(SCL-SDA)P MSCL high level setup time for restart condition/stop condition (1) 2 × tc(φIIC) + 40 ns tw(SDAH)P MSDA high level pulse width after stop condition (1) 4 × tc(φIIC) + 40 ns tsu(SDA-SCL) MSDA input setup time 100 100 ns th(SCL-SDA) MSDA input hold time 00 ns |
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