FDC37N972 Datasheet, PDF (355/390 Pages) SMSC Corporation – Advanced Notebook I/O Controller with Enhanced Keyboard Control and System Management

ACCESS.BUS TIMING
AB_DATA
t_BUF
t_LOW
t_R
t_F
t_HD;STA
AB_CLK
t_HD;STA
t_HD;DAT
t_HIGH
t_SU;DAT t_SU;STA
t_SU;STO
FIGURE 67 - ACCESS.BUS TIMING
SYMBOL
fSCL
tBUF
tSU;STA
tHD;STA
tLOW
tHIGH
tR
tF
tSU;DAT
tHD;DAT
tSU;STO
TABLE 243 - ACCESS.BUS TIMING PARAMETERS
PARAMETER
MIN. TYP. MAX.
SCL Clock Frequency
100
Bus Free Time
4.7
START Condition Set-Up
4.7
Time
START Condition Hold Time 4.0
SCL LOW Time
4.7
SCL HIGH Time
4.0
SCL and SDA Rise Time
1.0
SCL and SDA Fall Time
0.3
Data Set-Up Time
0.25
Data Hold Time
0
STOP Condition Set-Up Time 4.0
UNIT
kHz
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs
355