Package content and description

AN4229

12/26

DocID024112 Rev 1

Figure 4. Demonstration architecture

The STM322xG-EVAL and STM324xG-EVAL evaluation boards (referred as “EVAL boards”

hereafter) demonstrate the following main features:

•

G.711, G.726, IMA-ADPCM and Speex codecs support

•

Advanced display-based user interface

•

Play and record on SD card and USB

•

Playback features: play, stop, next and previous

•

File information display (title, format, record/play status)

•

Control via joystick (navigation and selection)

and for the STM32F4DISCOVERY board (referred as “DISCOVERY board” hereafter):

•

G.711, G.726, IMA-ADPCM and Speex codecs support

•

LED-based user interface

•

Play and record on USB flash drive only

•

Playback features: play, stop, next and previous

•

Control via MEMS accelerometer and "user" push button