Hardware Design: Circuit Design of DSP TMS320C5509A

Aguilera

Hardware Design: Circuit Design of DSP TMS320C5509A [Copy link]

The C5509A DSP has very few general IO ports, which is not enough compared to the general ARM.

Generally, CPLD is used to expand IO. If CPLD is not used, its IO can be fully utilized.

First, it has 7 general IO ports, but 0, 1, 2, and 3 are not usable. These four IO ports are used for

The power-on startup sequence is to start from the local machine or external FLASH, because the program solidification of 5509 requires

Stored in external FLASH, and moved to internal RAM for execution when the computer is powered on.

Only IO ports 4, 6, and 7 are available.

But don't worry, there are more.

Pin 101 XF is a single pin that can be used as GPIO.

There is also a set of GPIO ports