VCC,LCD_C,CP en,3.6 |
Supply voltage range, charge pump enabled, VLCD ≤ 3.6 V |
LCDCPEN = 1, 0000 < VLCDx ≤ 1111
(charge pump enabled, VLCD ≤ 3.6 V) |
2.2 |
|
3.6 |
V |
VCC,LCD_C,CP en,3.3 |
Supply voltage range, charge pump enabled, VLCD ≤ 3.3 V |
LCDCPEN = 1, 0000 < VLCDx ≤ 1100
(charge pump enabled, VLCD ≤ 3.3 V) |
2.0 |
|
3.6 |
V |
VCC,LCD_C,int. bias |
Supply voltage range, internal biasing, charge pump disabled |
LCDCPEN = 0, VLCDEXT = 0 |
2.4 |
|
3.6 |
V |
VCC,LCD_C,ext. bias |
Supply voltage range, external biasing, charge pump disabled |
LCDCPEN = 0, VLCDEXT = 0 |
2.4 |
|
3.6 |
V |
VCC,LCD_C,VLCDEXT |
Supply voltage range, external LCD voltage, internal or external biasing, charge pump disabled |
LCDCPEN = 0, VLCDEXT = 1 |
2.0 |
|
3.6 |
V |
VLCDCAP/R33 |
External LCD voltage at LCDCAP/R33, internal or external biasing, charge pump disabled |
LCDCPEN = 0, VLCDEXT = 1 |
2.4 |
|
3.6 |
V |
CLCDCAP |
Capacitor on LCDCAP when charge pump enabled |
LCDCPEN = 1, VLCDx > 0000
(charge pump enabled) |
4.7 |
4.7 |
10 |
µF |
fLCD |
LCD frequency range |
fFRAME = 1/(2 × mux) × fLCD
with mux = 1 (static) to 8 |
0 |
|
1024 |
Hz |
fFRAME,4mux |
LCD frame frequency range |
fFRAME,4mux(MAX) = 1/(2 × 4) ×
fLCD(MAX) = 1/(2 × 4) × 1024 Hz |
|
|
128 |
Hz |
fFRAME,8mux |
LCD frame frequency range |
fFRAME,8mux(MAX) = 1/(2 × 4) ×
fLCD(MAX) = 1/(2 × 8) × 1024 Hz |
|
|
64 |
Hz |
fACLK,in |
ACLK input frequency range |
|
30 |
32 |
40 |
kHz |
CPanel |
Panel capacitance |
100-Hz frame frequency |
|
|
10000 |
pF |
VR33 |
Analog input voltage at R33 |
LCDCPEN = 0, VLCDEXT = 1 |
2.4 |
|
VCC + 0.2 |
V |
VR23,1/3bias |
Analog input voltage at R23 |
LCDREXT = 1, LCDEXTBIAS = 1, LCD2B = 0 |
VR13 |
VR03 + 2/3 × (VR33 – VR03) |
VR33 |
V |
VR13,1/3bias |
Analog input voltage at R13 with 1/3 biasing |
LCDREXT = 1, LCDEXTBIAS = 1, LCD2B = 0 |
VR03 |
VR03 + 1/3 × (VR33 – VR03) |
VR23 |
V |
VR13,1/2bias |
Analog input voltage at R13 with 1/2 biasing |
LCDREXT = 1, LCDEXTBIAS = 1, LCD2B = 1 |
VR03 |
VR03 + 1/2 × (VR33 – VR03) |
VR33 |
V |
VR03 |
Analog input voltage at R03 |
R03EXT = 1 |
VSS |
|
|
V |
VLCD – VR03 |
Voltage difference between VLCD and R03 |
LCDCPEN = 0, R03EXT = 1 |
2.4 |
|
VCC + 0.2 |
V |
VLCDREF/R13 |
External LCD reference voltage applied at LCDREF/R13 |
VLCDREFx = 01 |
0.8 |
1.2 |
1.5 |
V |