Datasheet

MSP430F42x0
MIXED SIGNAL MICROCONTROLLER
SLAS455D − MARCH 2005 − REVISED APRIL 2007
22
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature (unless otherwise
noted) (continued)
wake-up LPM3
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
f = 1 MHz 6
t
d
(
LPM3
)
Delay time
f = 2 MHz
V
CC
= 2.2 V/3 V
6
μs
t
d(LPM3)
Delay
time
f = 3 MHz
V
CC
2.2
V/3
V
6
μs
RAM
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
VRAMh CPU halted (see Note 1) 1.6 V
NOTE 1: This parameter defines the minimum supply voltage when the data in program memory RAM remain unchanged. No program execution
should take place during this supply voltage condition.
LCD_A
PARAMETER TEST CONDITIONS VCC MIN TYP MAX UNIT
V
CC(LCD)
Supply Voltage Range
Charge pump enabled
(LCDCPEN = 1; VLCDx > 0000)
2.2 3.6 V
C
LCD
Capacitor on LCDCAP (see Note 1)
Charge pump enabled
(LCDCPEN = 1; VLCDx > 0000)
4.7 μF
I
CC(LCD)
Average Supply Current (see Note 2)
V
LCD(typ)
=3V; LCDCPEN = 1;
VLCDx= 1000, all segments on
f
LCD
= f
ACLK
/32
no LCD connected (see Note 3)
T
A
= 25°C
2.2 V 3.8 μA
f
LCD
LCD frequency 1.1 kHz
V
LCD
LCD voltage VLCDx = 0000 VCC V
V
LCD
LCD voltage VLCDx = 0001 2.60 V
V
LCD
LCD voltage VLCDx = 0010 2.66 V
V
LCD
LCD voltage VLCDx = 0011 2.72 V
V
LCD
LCD voltage VLCDx = 0100 2.78 V
V
LCD
LCD voltage VLCDx = 0101 2.84 V
V
LCD
LCD voltage VLCDx = 0110 2.90 V
V
LCD
LCD voltage VLCDx = 0111 2.96 V
V
LCD
LCD voltage VLCDx = 1000 3.02 V
V
LCD
LCD voltage VLCDx = 1001 3.08 V
V
LCD
LCD voltage VLCDx = 1010 3.14 V
V
LCD
LCD voltage VLCDx = 1011 3.20 V
V
LCD
LCD voltage VLCDx = 1100 3.26 V
V
LCD
LCD voltage VLCDx = 1101 3.32 V
V
LCD
LCD voltage VLCDx = 1110 3.38 V
V
LCD
LCD voltage VLCDx = 1111 3.44 3.60 V
R
LCD
LCD Driver Output impedance
V
LCD
= 3V; LCDCPEN = 1;
VLCDx = 1000, I
LOAD
= ±10μA
2.2 V 10 kΩ
NOTES: 1. Enabling the internal charge pump with an external capacitor smaller than the minimum specified might damage the device.
2. Refer to the supply current specifications I
(LPM3)
for additional current specifications with the LCD_A module active.
3. Connecting an actual display will increase the current consumption depending on the size of the LCD.