PiaRef
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User's Manual
Rev 31/03/16
21
© 2014-2016 Dream S.A.S.
11.8 SAM5704 test
SAM5704 test will test internal chip elements.
To start component test press and hold MINUS switch then also press PLUS switch.
Steps are:
1- Test all P24 2kx24 RAM
2- Test router memory
3- Test all P24 working and start sine wave at 1.5kHz frequency
4- Test all P24 2kx24 ROM
5- Change sine wave frequency to 1.25kHz
6- Test embedded RAM
7- Test 832x16 P16 IRAM
8- Change sine wave frequency to 750Hz
If test is pass, then a full scale, 750Hz, sine wave signal will be generated on main audio L and R output. It could
be useful for checking analog output stage of the product
Warning:
Firmware stays in an endless loop at the end of the test. To recover normal playing mode, product should
be restarted.
