MSP430FR6889 Datasheet, PDF (73/176 Pages) Texas Instruments – Mixed-Signal Microcontrollers

www.ti.com
MSP430FR6889, MSP430FR68891, MSP430FR6888, MSP430FR6887
MSP430FR5889, MSP430FR58891, MSP430FR5888, MSP430FR5887
SLASE32A – AUGUST 2014 – REVISED MARCH 2015
6.3.1 Peripherals in LPM3 and LPM4
Most peripherals can be activated to be operational in LPM3 if clocked by ACLK. Some modules are even
operational in LPM4 because they do not require a clock to operate (for example, the comparator).
Activating a peripheral in LPM3 or LPM4 increases the current consumption due to its active supply
current contribution but also due to an additional idle current. To limit the idle current adder certain
peripherals are group together. To achieve optimal current consumption try to use modules within one
group and to limit the number of groups with active modules. The grouping is shown in Table 6-2. Modules
not listed there are either already included in the standard LPM3 current consumption specifications or
cannot be used in LPM3 or LPM4.
The idle current adder is very small at room temperature (25°C) but increases at high temperatures
(85°C). Refer to the I_IDLE current parameters in Section 5.7 for details.
GROUP A
Timer TA0
Comparator
ADC12_B
REF_A
Table 6-2. Peripheral Groups
GROUP B
Timer TA1
Extended Scan Interface
(ESI)
GROUP C
Timer TA2
Timer B0
eUSCI_A0
eUSCI_B0
eUSCI_B1
GROUP D
Timer TA3
LCD_C
eUSCI_A1
Copyright © 2014–2015, Texas Instruments Incorporated
Detailed Description
73
Submit Documentation Feedback
Product Folder Links: MSP430FR6889 MSP430FR68891 MSP430FR6888 MSP430FR6887 MSP430FR5889
MSP430FR58891 MSP430FR5888 MSP430FR5887