MSP430F673X Datasheet, PDF (70/121 Pages) Texas Instruments – MIXED SIGNAL MICROCONTROLLER

MSP430F673x
MSP430F672x
SLAS731A – DECEMBER 2011 – REVISED APRIL 2012
LCD_C - Recommended Operating Conditions (continued)
PARAMETER
CONDITIONS
C_LCDCAP
Capacitor on LCDCAP when
charge pump enabled
LCDCPEN = 1, VLCDx > 0000
(charge pump enabled)
f_Frame
LCD frame frequency range
f_LCD = 2 × mux × f_FRAME
with mux = 1 (static), 2, 3, 4 up to 8
f_ACLK,in
C_Panel
ACLK input frequency range
Panel capacitance
100-Hz frame frequency
V_R33
Analog input voltage at R33
LCDCPEN = 0, VLCDEXT = 1
V_R23,1/3bias
Analog input voltage at R23
LCDREXT = 1, LCDEXTBIAS = 1,
LCD2B = 0
V_R13,1/3bias
Analog input voltage at R13 with
1/3 biasing
LCDREXT = 1, LCDEXTBIAS = 1,
LCD2B = 0
V_R13,1/2bias
V_R03
V_LCD-V_R03
V_LCDREF/R13
Analog input voltage at R13 with
1/2 biasing
Analog input voltage at R03
Voltage difference between V_LCD
and R03
External LCD reference voltage
applied at LCDREF/R13
LCDREXT = 1, LCDEXTBIAS = 1,
LCD2B = 1
R0EXT = 1
LCDCPEN = 0, R0EXT = 1
VLCDREFx = 01
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MIN
NOM MAX UNIT
4.7
10 µF
0
30
2.4
V_R13
V_R03
V_R03
V_SS
2.4
0.8
100 Hz
32
40 kHz
10000 pF
V_CC+0
.2
V
V_R03 +
2/3×(V_R33- V_R33 V
V_R03)
V_R03 +
1/3×(V_R33- V_R23 V
V_R03)
V_R03 +
1/2×(V_R33- V_R33 V
V_R03)
V
V_CC+0
.2
V
1.2 1.5 V
LCD_C Electrical Characteristics
over operating free-air temperature range (unless otherwise noted)
PARAMETER
TEST CONDITIONS
V_LCD
LCD voltage
VLCDx = 0000, VLCDEXT = 0
LCDCPEN = 1, VLCDx = 0001
LCDCPEN = 1, VLCDx = 0010
LCDCPEN = 1, VLCDx = 0011
LCDCPEN = 1, VLCDx = 0100
LCDCPEN = 1, VLCDx = 0101
LCDCPEN = 1, VLCDx = 0110
LCDCPEN = 1, VLCDx = 0111
LCDCPEN = 1, VLCDx = 1000
LCDCPEN = 1, VLCDx = 1001
LCDCPEN = 1, VLCDx = 1010
LCDCPEN = 1, VLCDx = 1011
LCDCPEN = 1, VLCDx = 1100
LCDCPEN = 1, VLCDx = 1101
LCDCPEN = 1, VLCDx = 1110
LCDCPEN = 1, VLCDx = 1111
I_CC,Peak,CP
Peak supply currents due to
charge pump activities
LCDCPEN = 1, VLCDx = 1111
t_LCD,CP,on
Time to charge C_LCD when
discharged
C_LCD = 4.7µF, LCDCPEN = 0→1,
VLCDx = 1111
I_CP,Load
Maximum charge pump load
current
LCDCPEN = 1, VLCDx = 1111
R_LCD,Seg
R_LCD,COM
LCD driver output impedance,
segment lines
LCD driver output impedance,
common lines
LCDCPEN = 1, VLCDx = 1000,
I_LOAD = ±10µA
LCDCPEN = 1, VLCDx = 1000,
I_LOAD = ±10µA
V_CC
2.4 V to 3.6 V
2 V to 3.6 V
2 V to 3.6 V
2 V to 3.6 V
2 V to 3.6 V
2 V to 3.6 V
2 V to 3.6 V
2 V to 3.6 V
2 V to 3.6 V
2 V to 3.6 V
2 V to 3.6 V
2 V to 3.6 V
2 V to 3.6 V
2.2 V to 3.6 V
2.2 V to 3.6 V
2.2 V to 3.6 V
2.2 V
2.2 V
2.2 V
2.2 V
2.2 V
MIN TYP MAX UNIT
V_CC
V
2.58
2.64
2.71
2.78
2.83
2.90
2.96
3.02
3.07
3.14
3.21
3.27
3.32
3.38
3.44 3.6
400
µA
150 500 ms
50
µA
10 kΩ
10 kΩ
70
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