MSP430FR6979 Datasheet, PDF (56/163 Pages) Texas Instruments – Mixed-Signal Microcontrollers

MSP430FR6979, MSP430FR69791, MSP430FR6977
MSP430FR6928, MSP430FR6927, MSP430FR69271
SLAS797A – AUGUST 2014 – REVISED MARCH 2015
www.ti.com
Table 5-23. LCD_C Electrical Characteristics
over operating free-air temperature range (unless otherwise noted)
V_LCD,0
V_LCD,1
V_LCD,2
V_LCD,3
V_LCD,4
V_LCD,5
V_LCD,6
V_LCD,7
V_LCD,8
V_LCD,9
V_LCD,10
V_LCD,11
V_LCD,12
V_LCD,13
V_LCD,14
V_LCD,15
V_LCD,7,0.8
PARAMETER
LCD voltage
LCD voltage with external
reference of 0.8 V
V_LCD,7,1.0
LCD voltage with external
reference of 1.0 V
V_LCD,7,1.2
ΔV_LCD
LCD voltage with external
reference of 1.2 V
Voltage difference between
consecutive VLCDx settings
TEST CONDITIONS
VLCDx = 0000, VLCDEXT = 0
LCDCPEN = 1, VLCDx = 0001b
LCDCPEN = 1, VLCDx = 0010b
LCDCPEN = 1, VLCDx = 0011b
LCDCPEN = 1, VLCDx = 0100b
LCDCPEN = 1, VLCDx = 0101b
LCDCPEN = 1, VLCDx = 0110b
LCDCPEN = 1, VLCDx = 0111b
LCDCPEN = 1, VLCDx = 1000b
LCDCPEN = 1, VLCDx = 1001b
LCDCPEN = 1, VLCDx = 1010b
LCDCPEN = 1, VLCDx = 1011b
LCDCPEN = 1, VLCDx = 1100b
LCDCPEN = 1, VLCDx = 1101b
LCDCPEN = 1, VLCDx = 1110b
LCDCPEN = 1, VLCDx = 1111b
LCDCPEN = 1, VLCDx = 0111b,
VLCDREFx = 01b,
V_LCDREF = 0.8 V
LCDCPEN = 1, VLCDx = 0111b,
VLCDREFx = 01b,
V_LCDREF = 1.0 V
LCDCPEN = 1, VLCDx = 0111b,
VLCDREFx = 01b,
V_LCDREF = 1.2 V
ΔV_LCD = V_LCD,x - V_LCD,x-1
with x = 0010b to 1111b
V_CC
2.4 V to 3.6 V
2 V to 3.6 V
2 V to 3.6 V
2 V to 3.6 V
2 V to 3.6 V
2 V to 3.6 V
2 V to 3.6 V
2 V to 3.6 V
2 V to 3.6 V
2 V to 3.6 V
2 V to 3.6 V
2 V to 3.6 V
2 V to 3.6 V
2.2 V to 3.6 V
2.2 V to 3.6 V
2.2 V to 3.6 V
2 V to 3.6 V
2 V to 3.6 V
2.2 V to 3.6 V
I_CC,Peak,CP
Peak supply currents due to
charge pump activities
LCDCPEN = 1, VLCDx = 1111b
external, with decoupling capacitor
on DVCC supply ≥ 1 µF
2.2 V
t_LCD,CP,on
Time to charge C_LCD when
discharged
C_LCD = 4.7 µF, LCDCPEN = 0→1,
VLCDx = 1111b
2.2 V
I_CP,Load
Maximum charge pump load
current
LCDCPEN = 1, VLCDx = 1111b
2.2 V
R_LCD,Seg
LCD driver output impedance,
segment lines
LCDCPEN = 0, I_LOAD = ±10 µA
2.2 V
R_LCD,COM
LCD driver output impedance,
common lines
LCDCPEN = 0, I_LOAD = ±10 µA
2.2 V
MIN
2.49
3.32
40
50
TYP
V_CC
2.60
2.66
2.72
2.78
2.84
2.90
2.96
3.02
3.08
3.14
3.20
3.26
3.32
3.38
3.44
2.96 ×
0.8 V
2.96 ×
1.0 V
2.96 ×
1.2 V
60
600
100
MAX UNIT
2.72
V
3.6
V
V
V
80 mV
µA
500 ms
µA
10 kΩ
10 kΩ
56
Specifications
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MSP430FR69271