Cirrus Logic CS4955 - Manual (Page 9)

CS4954 CS4955
DS278F6 9
TIMING CHARACTERISTICS
Parameter Symbol Min Typ Max Units
I²C Host Port Timing (Figure 2 )
SCL Frequency Fclk 1000 kHz
Clock Pulse High Time Tsph 0.1 μs
Clock Pulse Low Time Tspl 0.7 μs
Hold Time (Start Cond.) Tsh 100 ns
Setup Time (Start Cond.) Tssu 100 ns
Data Setup Time Tsds 50 ns
Rise Time Tsr 1 μs
Fall Time Tsf 0.3 μs
Setup Time (Stop Cond.) Tss 100 ns
Bus Free Time Tbuf 100 ns
Data Hold Time Tdh 0 ns
SCL Low to Data Out Valid Tvdo 600 ns
Figure 2. I²C Host Port Timing
SDA
SCL
T
bu
T
sh
T
dh
T
ds
T
sh
T
ss
T
ssu
T
si
T
spi
T
sr
T
sph
T
vdo