CCS/TMS570LS0714: TMS570LS0714 PinOUT Problem..

Ali YOLCU

Part Number: TMS570LS0714

Tool/software: Code Composer Studio

Hello,
During program installation, some pins on the TMS570LS0714 processor continue to output. How to troubleshoot this issue?

mibspiPORT5 - 9U

mibspiPORT5 - 8U

mibspiPORT1 - 0U

mibspiPORT1 - 8U

mibspiPORT1 - 14U

mibspiPORT1 - 1U

over 5 years ago

0 Miro over 5 years ago

TI__Mastermind 21425 points

Hello,

When you enable mibspi driver and use mibspi pins as functional, pin direction (input or output) depends on Master/Slave mode. If you configure pin as GIO then pin direction depends on SPIPC1 register. Ehn pin is configured as GIO and as output then PC3 controls the state of the output (high or low)

0 Ali YOLCU over 5 years ago in reply to Miro

Intellectual 370 points

Hi,

How can I solve this problem?

The pins remain in the open position during code loading.

Isn't there a way to close these pins?

My settings of the pins as in the picture.

0 Miro over 5 years ago in reply to Ali YOLCU

TI__Mastermind 21425 points

Hello,

During reset all I/Os are configured as inputs. According to the Datasheet, MIBSPI5SIMO[0] has internal pull-up. During Reset MIBSPI5SIMO[0] should be high. Once the system reset is released, the I/Os are controlled by the default states of the individual control registers.

0 Ali YOLCU over 5 years ago in reply to Miro

Intellectual 370 points

So is there no way to solve this problem ?

0 Miro over 5 years ago in reply to Ali YOLCU

TI__Mastermind 21425 points

Hello,

Application takes care on terminal status after reset is released. During reset terminal status is stated in Datasheet. You have to consider this while making your design.

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CCS/TMS570LS0714: TMS570LS0714 PinOUT Problem..