CCS/MSP-EXP430FR4133: EXP430FR4133 and EXP430FR6989 SPI communication

Jose Luis Sanchez

Part Number: MSP-EXP430FR4133
Other Parts Discussed in Thread: MSP430FR4133, MSP430FR6989

Tool/software: Code Composer Studio

Hello,

I'm traying to use SPI interface to communicate EXP430FR4133 and EXP430FR6989. I used the demo code: msp430fr413x_euscia0_spi_10.c and msp430fr69xx_euscia0_spi_09.c where MSP430FR6989 is master and MSP430FR4133 is slave.

The clock signal and data output from master are right but the slave (MSP430FR4133) do not answer or respond trash. Attach outputs:

Can anyone help me?

Best regards.

over 4 years ago

0 Bruce McKenney47378 over 4 years ago

Guru 92720 points

On The FR4133 Launchpad, did you remove:

1) The TXD and RXD jumpers from the "bridge" header (J101)? These are connected to P1.0/P1.1

2) the P1.0/LED jumper (JP1)?

This overloading of pins is discussed in the Launchpad User Guide (SLAU595A) Sec 2.2.4

0 Jose Luis Sanchez over 4 years ago in reply to Bruce McKenney47378

Intellectual 490 points

Thanks!! i did remove de P1.0 jumper but not the TXD and RXD.

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CCS/MSP-EXP430FR4133: EXP430FR4133 and EXP430FR6989 SPI communication