MSP430X47X3_07 Datasheet, PDF (46/76 Pages) Texas Instruments – MIXED SIGNAL MICROCONTROLLER

MSP430x47x3, MSP430x47x4
MIXED SIGNAL MICROCONTROLLER
SLAS545A − MAY 2007 − REVISED DECEMBER 2007
electrical characteristics over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted) (continued)
USCI (I2C Mode, see Figure 25)
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
t_SP
Set−up time for a repeated START
Data hold time
Data set−up time
Set−up time for STOP
Pulse width of spikes suppressed by
input filter
TEST CONDITIONS
Internal: SMCLK, ACLK
External: UCLK
Duty Cycle = 50% ± 10%
f_SCL ≤ 100kHz
f_SCL > 100kHz
f_SCL ≤ 100kHz
f_SCL > 100kHz
tHD,STA
tSU,STA tHD,STA
VCC
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
tSU,STO
Figure 25. I2C Mode Timing
46
• POST OFFICE BOX 655303 DALLAS, TEXAS 75265