Texas Instruments MSP430F643 Series, Manual

Page: 39 / 120

MSP430F6438, MSP430F6436, MSP430F6435, MSP430F6433
www.ti.com SLAS720D – AUGUST 2010 – REVISED DECEMBER 2015
5.35 LCD_B, Recommended Operating Conditions
PARAMETER CONDITIONS MIN NOM MAX UNIT
V
CC,LCD_B,
Supply voltage range, charge pump LCDCPEN = 1, 0000 < VLCDx ≤ 1111
2.2 3.6 V
CP en,3.6
enabled, V
LCD
≤
3.6 V (charge pump enabled, V
LCD
≤
3.6 V)
V
CC,LCD_B,
Supply voltage range, charge pump LCDCPEN = 1, 0000 < VLCDx ≤ 1100
2.0 3.6 V
CP en,3.3
enabled, V
LCD
≤ 3.3 V (charge pump enabled, V
LCD
≤ 3.3 V)
Supply voltage range, internal biasing,
V
CC,LCD_B, int. bias
LCDCPEN = 0, VLCDEXT = 0 2.4 3.6 V
charge pump disabled
V
CC,LCD_B,
Supply voltage range, external biasing,
LCDCPEN = 0, VLCDEXT = 0 2.4 3.6 V
ext. bias
charge pump disabled
Supply voltage range, external LCD
V
CC,LCD_B,
voltage, internal or external biasing, LCDCPEN = 0, VLCDEXT = 1 2.0 3.6 V
VLCDEXT
charge pump disabled
External LCD voltage at LCDCAP/R33,
V
LCDCAP/R33
internal or external biasing, charge LCDCPEN = 0, VLCDEXT = 1 2.4 3.6 V
pump disabled
Capacitor on LCDCAP when charge LCDCPEN = 1, VLCDx > 0000
C
LCDCAP
4.7 4.7 10 µF
pump enabled (charge pump enabled)
f
LCD
= 2 × mux × f
FRAME
f
Frame
LCD frame frequency range 0 100 Hz
(mux = 1 (static), 2, 3, 4)
f
ACLK,in
ACLK input frequency range 30 32 40 kHz
C
Panel
Panel capacitance 100-Hz frame frequency 10000 pF
V
CC
+
V
R33
Analog input voltage at R33 LCDCPEN = 0, VLCDEXT = 1 2.4 V
0.2
LCDREXT = 1, LCDEXTBIAS = 1, V
R03
+ 2/3 ×
V
R23,1/3bias
Analog input voltage at R23 V
R13
V
R33
V
LCD2B = 0 (V
R33
-V
R03
)
Analog input voltage at R13 with 1/3 LCDREXT = 1, LCDEXTBIAS = 1, V
R03
+ 1/3 ×
V
R13,1/3bias
V
R03
V
R23
V
biasing LCD2B = 0 (V
R33
-V
R03
)
Analog input voltage at R13 with 1/2 LCDREXT = 1, LCDEXTBIAS = 1, V
R03
+ 1/2 ×
V
R13,1/2bias
V
R03
V
R33
V
biasing LCD2B = 1 (V
R33
-V
R03
)
V
R03
Analog input voltage at R03 R0EXT = 1 V
SS
V
Voltage difference between V
LCD
and V
CC
+0
V
LCD
-V
R03
LCDCPEN = 0, R0EXT = 1 2.4 V
R03 .2
External LCD reference voltage applied
V
LCDREF/R13
VLCDREFx = 01 0.8 1.2 1.5 V
at LCDREF/R13
Copyright © 2010–2015, Texas Instruments Incorporated
Specifications 39
Submit Documentation Feedback
Product Folder Links: MSP430F6438 MSP430F6436 MSP430F6435 MSP430F6433