MSP430G2333-Q1 Datasheet, PDF (32/62 Pages) Texas Instruments – Automotive Mixed-Signal Microcontroller

MSP430G2333-Q1
SLAS802A – OCTOBER 2013 – REVISED MARCH 2014
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9.26 USCI (I²C Mode)
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted) (see Figure 21)
f_USCI
f_SCL
t_HD,STA
t_SU,STA
t_HD,DAT
t_SU,DAT
t_SU,STO
t_SP
PARAMETER
USCI input clock frequency
SCL clock frequency
Hold time (repeated) START
Setup time for a repeated START
Data hold time
Data setup time
Setup time for STOP
Pulse duration of spikes suppressed
by input filter
TEST CONDITIONS
SMCLK, duty cycle = 50% ± 10%
f_SCL ≤ 100 kHz
f_SCL > 100 kHz
f_SCL ≤ 100 kHz
f_SCL > 100 kHz
V_CC
MIN TYP MAX UNIT
f_SYSTEM MHz
3V
0
400 kHz
4.0
3V
µs
0.6
4.7
3V
µs
0.6
3V
0
ns
3V
250
ns
3V
4.0
µs
3V
50 100
600 ns
SDA
t_HD,STA
t_SU,STA
t_HD,STA
t_BUF
t_LOW
t_HIGH
t_SP
SCL
t_HD,DAT
t_SU,DAT
Figure 21. I²C Mode Timing
t_SU,STO
32
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