0.6 (2019–07–25)
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46
Table 5-1 I2C Interface Timing Specification, SF mode
Symbol Parameter Standard-mode Fast-mode Unit
Min. Max Min Max
tR Rise time of
SDA and SCL
signals
- 1000 - 300 ns
tF Fall time of
SDA and SCL
signals
- 300 - 300 ns
fSCL SCL clock
frequency
- 100 - 400 KHz
tLOW LOW period
of the SCL
clock
4.7 - 1.3 - µs
tHIGH HIGH period
of the SCL
clock
4 - 0.6 - µs
tSu;STA Setup time for
START
4.7 - 0.6 - µs
tSu;DAT Setup time for
SDA
250 - 100 - ns
tSu;STO Setup time for
STOP
4 - 0.6 - µs
tHd;STA Hold time for
START
4 - 0.6 - µs
tHd;DAT Hold time for
SDA
0 3.45 0 0.9 µs
tBuf Bus free time
between stop
and start
4.7 - 1.3 - µs
Note
●● Open drain does not support driver strength adjustment.
5.7.2 EMMC/SD Timing Specification
Timing specification for EMMC and SDIO are shown as below.
S905D3 Quick Reference Manual 5 Operating Conditions
Preliminary Version
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