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38 page 
MSP430x461x1, MSP430x461x MIXED SIGNAL MICROCONTROLLER 38 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 electrical characteristics over recommended operating free-air temperature (unless otherwise noted) (continued) LCD_A PARAMETER TEST CONDITIONS VCC MIN TYP MAX UNIT VCC(LCD) Supply voltage (see Note 2) Charge pump enabled (LCDCPEN = 1; VLCDx > 0000) 2.2 3.6 V ICC(LCD) Supply current (see Note 2 ) VLCD(typ)=3 V; LCDCPEN = 1, VLCDx= 1000; all segments on, fLCD = fACLK/32, no LCD connected (see Note 4) TA = 25°C 2.2 V 3 µA CLCD Capacitor on LCDCAP (see Note 1 and Note 3) Charge pump enabled (LCDCPEN = 1; VLCDx > 0000) 4.7 µF fLCD LCD frequency 1.1 kHz VLCDx = 0000 VCC VLCDx = 0001 2.60 VLCDx = 0010 2.66 VLCDx = 0011 2.72 VLCDx = 0100 2.78 VLCDx = 0101 2.84 VLCDx = 0110 2.90 V LCD voltage (see Note 3) VLCDx = 0111 2.96 V VLCD LCD voltage (see Note 3) VLCDx = 1000 3.02 V VLCDx = 1001 3.08 VLCDx = 1010 3.14 VLCDx = 1011 3.20 VLCDx = 1100 3.26 VLCDx = 1101 3.32 VLCDx = 1110 3.38 VLCDx = 1111 3.44 3.60 RLCD LCD driver output impedance VLCD=3 V; CPEN = 1; VLCDx = 1000, ILOAD = 10 µΑ 2.2 V 10 k Ω 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. Segments S0 through S3 are disabled when the LCD charge pump feature is enabled (LCDCPEN = 1) and cannot be used together with the LCD charge pump. In addition, when using segments S0 through S3 with an external LCD voltage supply, VLCD ≤ AVCC. 4. Connecting an actual display will increase the current consumption depending on the size of the LCD. |
