MSP430FR5994 Datasheet, PDF (52/166 Pages) Texas Instruments – Mixed-Signal Microcontrollers

MSP430FR5994, MSP430FR59941, MSP430FR5992, MSP430FR5964, MSP430FR5962
SLASE54 – MARCH 2016
www.ti.com
Table 5-22 lists the I²C mode operating characteristics.
Table 5-22. eUSCI (I²C Mode)
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted) (see Figure 5-14)
f_eUSCI
PARAMETER
eUSCI input clock frequency
TEST CONDITIONS
Internal: SMCLK or ACLK,
External: UCLK,
Duty cycle = 50% ±10%
V_CC
MIN TYP MAX UNIT
16 MHz
f_SCL
t_HD,STA
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
f_SCL = 100 kHz
f_SCL > 100 kHz
f_SCL = 100 kHz
f_SCL > 100 kHz
f_SCL = 100 kHz
f_SCL > 100 kHz
UCGLITx = 0
2.2 V, 3.0 V
0
4.0
2.2 V, 3.0 V
0.6
4.7
2.2 V, 3.0 V
0.6
2.2 V, 3.0 V
0
2.2 V, 3.0 V 100
4.0
2.2 V, 3.0 V
0.6
50
400 kHz
µs
µs
ns
ns
µs
250
t_SP
Pulse duration of spikes suppressed by
input filter
UCGLITx = 1
UCGLITx = 2
25
2.2 V, 3.0 V
12.5
125
ns
62.5
UCGLITx = 3
6.3
31.5
UCCLTOx = 1
27
t_TIMEOUT Clock low time-out
UCCLTOx = 2
UCCLTOx = 3
2.2 V, 3.0 V
30
ms
33
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 5-14. I²C Mode Timing
t_SU,STO
52
Specifications
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