MSP430F673x
MSP430F672x
SLAS731A –DECEMBER 2011–REVISED APRIL 2012
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MAX UNIT
LCD_C - Recommended Operating Conditions (continued)
PARAMETER
CONDITIONS
MIN
NOM
Capacitor on LCDCAP when
charge pump enabled
LCDCPEN = 1, VLCDx > 0000
(charge pump enabled)
CLCDCAP
fFrame
4.7
10
µF
Hz
fLCD = 2 × mux × fFRAME
with mux = 1 (static), 2, 3, 4 up to 8
LCD frame frequency range
0
100
fACLK,in
CPanel
ACLK input frequency range
Panel capacitance
30
32
40 kHz
100-Hz frame frequency
10000
pF
VCC+0
.2
VR33
Analog input voltage at R33
LCDCPEN = 0, VLCDEXT = 1
2.4
V
VR03
2/3×(VR33
VR03
+
-
)
LCDREXT = 1, LCDEXTBIAS = 1,
LCD2B = 0
VR23,1/3bias
Analog input voltage at R23
VR13
VR33
VR23
VR33
V
V
V
VR03
+
Analog input voltage at R13 with
1/3 biasing
LCDREXT = 1, LCDEXTBIAS = 1,
LCD2B = 0
VR13,1/3bias
VR03
1/3×(VR33
-
)
VR03
VR03
+
Analog input voltage at R13 with
1/2 biasing
LCDREXT = 1, LCDEXTBIAS = 1,
LCD2B = 1
VR13,1/2bias
VR03
1/2×(VR33
-
)
VR03
VR03
Analog input voltage at R03
R0EXT = 1
VSS
2.4
V
V
Voltage difference between VLCD
and R03
VCC+0
.2
VLCD-VR03
LCDCPEN = 0, R0EXT = 1
External LCD reference voltage
applied at LCDREF/R13
VLCDREF/R13
VLCDREFx = 01
0.8
1.2
1.5
V
LCD_C Electrical Characteristics
over operating free-air temperature range (unless otherwise noted)
PARAMETER
TEST CONDITIONS
VCC
MIN
TYP
VCC
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
400
MAX UNIT
VLCD
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
LCDCPEN = 1, VLCDx = 1111
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
V
3.6
µA
ICC,Peak,CP
tLCD,CP,on
ICP,Load
Peak supply currents due to
charge pump activities
Time to charge CLCD when
discharged
CLCD = 4.7µF, LCDCPEN = 0→1,
VLCDx = 1111
2.2 V
2.2 V
2.2 V
2.2 V
150
500
ms
µA
kΩ
kΩ
Maximum charge pump load
current
LCDCPEN = 1, VLCDx = 1111
50
RLCD,Seg
RLCD,COM
LCD driver output impedance,
segment lines
LCDCPEN = 1, VLCDx = 1000,
ILOAD = ±10µA
10
10
LCD driver output impedance,
common lines
LCDCPEN = 1, VLCDx = 1000,
ILOAD = ±10µA
70
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