MSP430F4796IPZ Datasheet, PDF (56/89 Pages) Texas Instruments – MIXED SIGNAL MICROCONTROLLER

MSP430F47x
MIXED SIGNAL MICROCONTROLLER
SLAS629A -- MARCH 2009 -- REVISED APRIL 2009
electrical characteristics over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted) (continued)
USCI (I²C mode) (see Figure 31)
PARAMETER
f_USCI
f_SCL
t_{HD, STA}
USCI input clock frequency
SCL clock frequency
Hold time (repeated) START
t_{SU, STA}
t_{HD, DAT}
t_{SU, DAT}
t_{SU, STO}
Setup time for a repeated START
Data hold time
Data setup time
Setup time for STOP
TEST CONDITIONS
Internal: SMCLK, ACLK,
External: UCLK,
Duty cycle = 50% ± 10%
f_SCL ≤ 100 kHz
f_SCL > 100 kHz
f_SCL ≤ 100 kHz
f_SCL > 100 kHz
t_SP
Pulse width of spikes suppressed by input filter
tHD,STA
tSU,STA tHD,STA
V_CC
2.2 V/3 V
2.2 V/3 V
2.2 V/3 V
2.2 V/3 V
2.2 V/3 V
2.2 V/3 V
2.2 V/3 V
2.2 V/3 V
2.2 V
3V
MIN TYP MAX UNIT
f_SYSTEM MHz
0
400 kHz
4.0
us
0.6
us
4.7
us
0.6
us
0
ns
250
ns
4.0
us
50 150 600 ns
50 100 600 ns
SDA
1/fSCL
tSP
SCL
tHD,DAT
tSU,DAT
Figure 31. I²C Mode Timing
tSU,STO
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