8-bit MicrocontrollersのトピックRe: Can the MC9S08SG8 output the clock?

Can the MC9S08SG8 output the clock?

Abner — Thu, 18 Mar 2021 06:52:42 GMT

Does anyone can tell me how to output the clock from the internal clock source of MC9S08SG8 ?

Which register should i use? I want know the detils.

Re: Can the MC9S08SG8 output the clock?

vicentegomez — Sat, 20 Mar 2021 04:25:54 GMT

The SG family does not have a clock out pin, if you want to get the 32KHz from the internal clock this is not possible, but you can use the internal FLL and the TPM module to get a PWM signal on one of the TPM channels, I do not remember if this possible to have 32KHz using the TPM, please check the following code, this is for the SH, the SH has the same modules than the SG

Re: Can the MC9S08SG8 output the clock?

Abner — Mon, 22 Mar 2021 02:06:48 GMT

Thanks for your reply!

In another way,I want to know can i output a signal like the follow picture on MC9S08SG8 PTA1 pin.

Re: Can the MC9S08SG8 output the clock?

vicentegomez — Mon, 22 Mar 2021 22:32:17 GMT

You only can have a PWM signal (square signal), not a clock signal (sine signal)

Have a good day