MSP430F673X Datasheet, PDF (69/121 Pages) Texas Instruments – MIXED SIGNAL MICROCONTROLLER

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MSP430F673x
MSP430F672x
SLAS731A – DECEMBER 2011 – REVISED APRIL 2012
eUSCI (I2C Mode)
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted) (see Figure 17)
f_eUSCI
PARAMETER
eUSCI input clock frequency
TEST CONDITIONS
Internal: SMCLK, ACLK
External: UCLK
Duty cycle = 50% ± 10%
V_CC
MIN TYP MAX UNIT
f_SYSTEM MHz
f_SCL
t_HD,STA
t_SU,STA
t_HD,DAT
t_SU,DAT
t_SU,STO
SCL clock frequency
Hold time (repeated) START
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
f_SCL = 100 kHz
f_SCL > 100 kHz
UCGLITx = 0
2 V/3 V
0
5.1
2 V/3 V
1.5
5.1
2 V/3 V
1.4
2 V/3 V
0.4
2 V/3 V
5.0
2 V/3 V
1.3
5.2
2 V/3 V
1.7
75
400 kHz
µs
µs
µs
µs
µs
220 ns
t_SP
Pulse duration of spikes suppressed by input ^{UCGLITx = 1}
filter
UCGLITx = 2
35
2 V/3 V
30
120 ns
60 ns
UCGLITx = 3
20
35 ns
UCCLTOx = 1
30
ms
t_TIMEOUT Clock low timeout
UCCLTOx = 2
UCCLTOx = 3
2 V/3 V
33
ms
37
ms
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 17. I2C Mode Timing
t_SU,STO
LCD_C - Recommended Operating Conditions
PARAMETER
CONDITIONS
MIN
V_{CC,LCD_C,CP en,3.6}
Supply voltage range, charge
pump enabled, V_LCD ≤ 3.6 V
LCDCPEN = 1, 0000 < VLCDx ≤ 1111
(charge pump enabled, V_LCD ≤ 3.6 V)
2.2
V_{CC,LCD_C,CP en,3.3}
Supply voltage range, charge
pump enabled, V_LCD ≤ 3.3 V
LCDCPEN = 1, 0000 < VLCDx ≤ 1100
(charge pump enabled, V_LCD ≤ 3.3 V)
2.0
V_{CC,LCD_C,int. bias}
Supply voltage range, internal
biasing, charge pump disabled
LCDCPEN = 0, VLCDEXT = 0
2.4
V_{CC,LCD_C,ext. bias}
Supply voltage range, external
biasing, charge pump disabled
LCDCPEN = 0, VLCDEXT = 0
2.4
Supply voltage range, external
V_{CC,LCD_C,VLCDEXT} LCD voltage, internal or external LCDCPEN = 0, VLCDEXT = 1
2.0
biasing, charge pump disabled
External LCD voltage at
V_LCDCAP/R33
LCDCAP/R33, internal or external LCDCPEN = 0, VLCDEXT = 1
2.4
biasing, charge pump disabled
NOM MAX UNIT
3.6 V
3.6 V
3.6 V
3.6 V
3.6 V
3.6 V
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