5.8 Low-Power Mode With LCD Supply Currents (Into VCC) Excluding External Current
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
PARAMETER |
VCC |
TEMPERATURE (TA) |
UNIT |
–40°C |
25°C |
60°C |
85°C |
TYP |
MAX |
TYP |
MAX |
TYP |
MAX |
TYP |
MAX |
ILPM3,XT12
LCD,
ext. bias |
Low-power mode 3 (LPM3) current,12-pF crystal, LCD 4-mux mode, external biasing, excludes SVS(1)(2) |
3.0 V |
0.7 |
|
0.9 |
|
1.5 |
|
3.1 |
|
µA |
ILPM3,XT12
LCD,
int. bias |
Low-power mode 3 (LPM3) current, 12-pF crystal, LCD 4-mux mode, internal biasing, charge pump disabled, excludes SVS(1)(3) |
3.0 V |
2.0 |
|
2.2 |
2.9 |
2.8 |
|
4.4 |
9.3 |
µA |
ILPM3,XT12
LCD,CP |
Low-power mode 3 (LPM3) current,12-pF crystal, LCD 4-mux mode, internal biasing, charge pump enabled, 1/3 bias, excludes SVS(1)(4) |
2.2 V |
5.0 |
|
5.2 |
|
5.8 |
|
7.4 |
|
µA |
3.0 V |
4.5 |
|
4.7 |
|
5.3 |
|
6.9 |
|
(1) Current for watchdog timer clocked by ACLK and RTC clocked by XT1 included. Current for brownout included. SVS disabled (SVSHE = 0).
CPUOFF = 1, SCG0 = 1 SCG1 = 1, OSCOFF = 0 (LPM3),
fXT1 = 32768 Hz, fACLK = fXT1, fMCLK = fSMCLK = 0 MHz
Activating additional peripherals increases the current consumption due to active supply current contribution as well as due to additional idle current - idle current of Group containing LCD module already included. See the idle currents specified for the respective peripheral groups.
(2) LCDMx = 11 (4-mux mode), LCDREXT = 1, LCDEXTBIAS = 1 (external biasing), LCD2B = 0 (1/3 bias), LCDCPEN = 0 (charge pump disabled), LCDSSEL = 0, LCDPREx = 101, LCDDIVx = 00011 (fLCD = 32768 Hz / 32 / 4 = 256 Hz)
Current through external resistors not included (voltage levels are supplied by test equipment).
Even segments S0, S2, ... = 0, odd segments S1, S3, ... = 1. No LCD panel load.
(3) LCDMx = 11 (4-mux mode), LCDREXT = 0, LCDEXTBIAS = 0 (internal biasing), LCD2B = 0 (1/3 bias), LCDCPEN = 0 (charge pump disabled), LCDSSEL = 0, LCDPREx = 101, LCDDIVx = 00011 (fLCD = 32768 Hz / 32 / 4 = 256 Hz)
Even segments S0, S2, ...=0, odd segments S1, S3, ... = 1. No LCD panel load.
(4) LCDMx = 11 (4-mux mode), LCDREXT = 0, LCDEXTBIAS = 0 (internal biasing), LCD2B = 0 (1/3 bias), LCDCPEN = 1 (charge pump enabled), VLCDx = 1000 (VLCD= 3 V typical), LCDSSEL = 0, LCDPREx = 101, LCDDIVx = 00011 (fLCD = 32768 Hz / 32 / 4 = 256 Hz)
Even segments S0, S2, ...=0, odd segments S1, S3, ... = 1. No LCD panel load. CLCDCAP = 10 µF