TMS570LC4357-EP: Multiplexed GIO pins utilization

Keyoor Patel

Part Number: TMS570LC4357-EP

Tool/software:

Hello There,

I am having trouble to configure some of the GPIOs in current microcontroller. In datasheet there is table 4-8 state the GIO ports available on multiple pins (primary and secondary). Can we use both pins simultaneously as a GPIOs for this microcontroller?

If yes then how we can use highlighted B16 FRAYTXEN1 pin as a GPIO while using K2 pin as GIOB[1].

Thanks,

Keyoor

over 1 year ago

0 jagadish gundavarapu over 1 year ago

TI__Guru 69591 points

Hi Keyoor,

Yes, some functionalities will be available on multiple pins. But however, it is not possible to use the same functionality on the multiple pins at the same time.

Please refer my similar issue thread below:

(+) TMS570LS3137: NHET1 pins 21, 23, 25 not working when configured as inputs - Arm-based microcontrollers forum - Arm-based microcontrollers - TI E2E support forums

The same thing applicable for here as well,

I mean, if you didn't enable the GIOB[1] functionality on B16 pin then by default the GIOB[1] functionality will be on the K2 pin, but if you enable the GIOB[1] functionality on the B16 the GIOB[1] functionality on the K2 will get disable and only B16 will act as a GIOB[1] now.

I didn't test this, but i am providing the information based on my previous tastings and observations related to the N2HET functionality. The same thing applicable here as well, please try to test it once and confirm it on your end.

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Thanks & regards,
Jagadish.