EFR32BG12P232F Datasheet, PDF (100/181 Pages) Silicon Laboratories – EFR32BG12 Blue Gecko Bluetooth ®Low Energy SoC Family Data Sheet

4.1.24.2 I2C Fast-mode (Fm)¹
EFR32BG12 Blue Gecko Bluetooth ^®Low Energy SoC Family Data Sheet
Electrical Specifications
Table 4.51. I2C Fast-mode (Fm)¹
Parameter
Symbol
Test Condition
Min
Typ
Max
Unit
SCL clock frequency²
f_SCL
0
—
400
kHz
SCL clock low time
t_LOW
1.3
—
—
μs
SCL clock high time
t_HIGH
0.6
—
—
μs
SDA set-up time
t_{SU_DAT}
100
—
—
ns
SDA hold time³
t_{HD_DAT}
100
—
900
ns
Repeated START condition t_{SU_STA}
set-up time
0.6
—
—
μs
(Repeated) START condition t_{HD_STA}
hold time
0.6
—
—
μs
STOP condition set-up time t_{SU_STO}
0.6
—
—
μs
Bus free time between a
t_BUF
STOP and START condition
1.3
—
—
μs
Note:
1. For CLHR set to 1 in the I2Cn_CTRL register.
2. For the minimum HFPERCLK frequency required in Fast-mode, refer to the I2C chapter in the reference manual.
3. The maximum SDA hold time (t_HD,DAT) needs to be met only when the device does not stretch the low time of SCL (t_LOW).
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