MSP430F677X_16 Datasheet, PDF (81/162 Pages) Texas Instruments – Polyphase Metering SoCs

ECCN 5E002 TSPA - Technology / Software Publicly Available
MSP430F677x, MSP430F676x, MSP430F674x
www.ti.com
SLAS768D – SEPTEMBER 2012 – REVISED DECEMBER 2013
LCD_C Recommended Operating Conditions
PARAMETER
CONDITIONS
V_{CC,LCD_C,CP en,3.6}
V_{CC,LCD_C,CP en,3.3}
V_{CC,LCD_C,int. bias}
Supply voltage range,
charge pump enabled,
V_LCD ≤ 3.6 V
LCDCPEN = 1, 0000 < VLCDx ≤ 1111 (charge
pump enabled, V_LCD ≤ 3.6 V)
Supply voltage range,
charge pump enabled,
V_LCD ≤ 3.3 V
LCDCPEN = 1, 0000 < VLCDx ≤ 1100 (charge
pump enabled, V_LCD ≤ 3.3 V)
Supply voltage range,
internal biasing,
LCDCPEN = 0, VLCDEXT = 0
charge pump disabled
V_{CC,LCD_C,ext. bias}
Supply voltage range,
external biasing,
LCDCPEN = 0, VLCDEXT = 0
charge pump disabled
V_{CC,LCD_C,VLCDEXT}
Supply voltage range,
external LCD voltage,
internal or external
biasing, charge pump
disabled
LCDCPEN = 0, VLCDEXT = 1
V_LCDCAP/R33
External LCD voltage
at LCDCAP/R33,
internal or external
biasing, charge pump
disabled
LCDCPEN = 0, VLCDEXT = 1
C_LCDCAP
Capacitor on LCDCAP
when charge pump
enabled
LCDCPEN = 1, VLCDx > 0000 (charge pump
enabled)
f_Frame
LCD frame frequency f_LCD = 2 × mux × f_FRAME with mux = 1 (static), 2,
range
3, 4.
f_ACLK,in
ACLK input frequency
range
C_Panel
V_R33
Panel capacitance
Analog input voltage
at R33
100-Hz frame frequency
LCDCPEN = 0, VLCDEXT = 1
V_R23,1/3bias
Analog input voltage
at R23
LCDREXT = 1, LCDEXTBIAS = 1, LCD2B = 0
V_R13,1/3bias
V_R13,1/2bias
V_R03
V_LCD-V_R03
V_LCDREF/R13
Analog input voltage
at R13 with 1/3
biasing
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 = 0
LCDREXT = 1, LCDEXTBIAS = 1, LCD2B = 1
R0EXT = 1
LCDCPEN = 0, R0EXT = 1
VLCDREFx = 01
MIN
NOM
MAX UNIT
2.2
3.6 V
2.0
3.6 V
2.4
3.6 V
2.4
3.6 V
2.0
3.6 V
2.4
3.6 V
4.7
4.7
10 µF
0
100 Hz
30
32
40 kHz
10000 pF
2.4
V_CC+0.2
V
V_R13
V_R03
V_R03
V_R03 +
2/3*(V_R33
-V_R03)
V_R03 +
1/3*(V_R33
-V_R03)
V_R03 +
1/2*(V_R33
-V_R03)
V_R33
V
V_R23
V
V_R33
V
V_SS
V
2.4
V_CC+0.2
V
0.8
1.2
1.5 V
Copyright © 2012–2013, Texas Instruments Incorporated
Submit Documentation Feedback
81