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MSP430F23X Datasheet, PDF (58/93 Pages) Texas Instruments – MIXED SIGNAL MICROCONTROLLER | |||
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MSP430F23x
MSP430F24x(1)
MSP430F2410
SLAS547F â JUNE 2007 â REVISED APRIL 2011
www.ti.com
USCI (I2C Mode)
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted) (see Figure 31)
fUSCI
PARAMETER
USCI input clock frequency
TEST CONDITIONS
Internal: SMCLK, ACLK
External: UCLK
Duty cycle = 50% ± 10%
VCC
MIN TYP MAX UNIT
fSYSTEM MHz
fSCL
tHD,STA
tSU,STA
tHD,DAT
tSU,DAT
tSU,STO
tSP
SCL clock frequency
Hold time (repeated) START
Setup time for a repeated START
Data hold time
Data setup time
Setup time for STOP
fSCL ⤠100 kHz
fSCL > 100 kHz
fSCL ⤠100 kHz
fSCL > 100 kHz
Pulse width of spikes suppressed by input filter
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
0
4
0.6
4.7
0.6
0
250
4
50 150
50 100
400 kHz
µs
µs
ns
ns
µs
600
ns
600
tHD,STA
tSU,STA tHD,STA
SDA
1/fSCL
tSP
SCL
tHD,DAT
tSU,DAT
Figure 31. I2C Mode Timing
tSU,STO
58
Copyright © 2007â2011, Texas Instruments Incorporated
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