FIFO width and Depth

Questioner — Tue, 17 Nov 2020 12:20:26 GMT

For SPI mode in MPC5748G we have 4 TX FIFO. So I need to find the width and depth of FIFO

Re: FIFO width and Depth

lukaszadrapa — Wed, 18 Nov 2020 14:32:53 GMT

Hi,

the depth of TX FIFO is 4. Width is 32bits - 16bits of data and 16bits of command.

For more details, see please section "40.5.2.4 Transmit First In First Out (TX FIFO) buffering mechanism" and description of PUSHR register "40.4.7 PUSH TX FIFO Register In Master Mode (DSPIx_PUSHR)" in the reference manual:

https://www.nxp.com/webapp/Download?colCode=MPC5748GRM

Regards,

Lukas

topic Re: FIFO width and Depth in MPC5xxx

FIFO width and Depth

Re: FIFO width and Depth