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mcafzap

5969 slower clock

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Am I missing something obvious? To save power I want to run this processor at 1 MHz so I amended the boards.txt in Energia 18 as follows: (see below, the second half). The sketch does work at 8MHz and 16MHz. An related question is this: where is F_CLK specified in an Energia sketch imported into CCStudio?

MSP-EXP430FR5969LP.vid.0=0x2341
MSP-EXP430FR5969LP.pid.0=0x0c9f
MSP-EXP430FR5969LP.name=MSP-EXP430FR5969LP
MSP-EXP430FR5969LP.build.mcu=msp430fr5969
MSP-EXP430FR5969LP.build.f_cpu=8000000L
MSP-EXP430FR5969LP.build.core=msp430
MSP-EXP430FR5969LP.build.variant=MSP-EXP430FR5969LP
MSP-EXP430FR5969LP.build.board=MSP-EXP430FR5969LP
MSP-EXP430FR5969LP.upload.tool=dslite
MSP-EXP430FR5969LP.upload.protocol=dslite
MSP-EXP430FR5969LP.upload.maximum_size=65536
MSP-EXP430FR5969LP.upload.maximum_data_size=2048

MSP-EXP430FR5969LPmhz1.vid.0=0x2341
MSP-EXP430FR5969LPmhz1.pid.0=0x0c9f
MSP-EXP430FR5969LPmhz1.name=MSP-EXP430FR5969LP_1MHz
MSP-EXP430FR5969LPmhz1.build.mcu=msp430fr5969
MSP-EXP430FR5969LPmhz1.build.f_cpu=1000000L
MSP-EXP430FR5969LPmhz1.build.core=msp430
MSP-EXP430FR5969LPmhz1.build.variant=MSP-EXP430FR5969LP
MSP-EXP430FR5969LPmhz1.build.board=MSP-EXP430FR5969LP
MSP-EXP430FR5969LPmhz1.upload.tool=dslite
MSP-EXP430FR5969LPmhz1.upload.protocol=dslite
MSP-EXP430FR5969LPmhz1.upload.maximum_size=65536
MSP-EXP430FR5969LPmhz1.upload.maximum_data_size=2048

sketch_mar29a.ino

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