CCS/RM46L850: HETDIN

rock

Part Number: RM46L850

Tool/software: Code Composer Studio

PFA. please watch hetdin bit no 15 ,which is set,Can any one guide me why it so? tried hetREG1->DIN=0X00000000; STILL bit 15 =0;

thanks

rock

over 5 years ago

0 QJ Wang over 5 years ago

TI__Guru**** 193226 points

Hello Rock,

1. Please check the pinmux for N2HET1_15 pin, it might be assigned to other functionality.

2. Please check if N2HET1_15 is pulled up on your PCB board. If this signal is pulled up, DIN is 1b always.

0 rock over 5 years ago in reply to QJ Wang

Intellectual 760 points

hello Q J

I have checked other module,i did not get het1_15 involvement. 2. I m using launchxl2-RM46 board. no pin is pulled up. please guide.

for your reference please find attachment.

thanks for reply.

0 QJ Wang over 5 years ago in reply to rock

TI__Guru**** 193226 points

Hello Rock,

The HET has a feature that two HR structures can share the same pin for input capture. If this bit is set, the HR structure N and N+1 are connected to pin N.

In your setting, the pin 15 is shared.

0 rock over 5 years ago in reply to QJ Wang

Intellectual 760 points

Hi Q J

PFA. this is the reason for getting high state at n2het1_15.

thanks

Rock

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CCS/RM46L850: HETDIN