Vesper VA1210, Validation Manual

Page: 5 / 12

Vesper - Confidential
5
Test 1 : Measure
OUT = OUTP - OUTM
Test 0 : Measure
OUT = OUTP - OUTM
Hardware Check: How to perform Built-In Self Test (BIST)
To perform BIST Test 0:
•
set MODE pin low
•
write 0x1 to Register 0x6 ( BIST_POL =0, BIST_EN =1 )
• Measure size of square wave at output (
OUT = OUTP - OUTM
)
To perform BIST Test 1:
•
set MODE pin low
•
write 0x3 to Register 0x6 ( BIST_POL =1, BIST_EN =1 )
• Measure size of square wave at output (
OUT = OUTP - OUTM
)
To exit BIST mode:
•
write 0x0 to Register 0x6 ( BIST_POL =0, BIST_EN =0 )
Next, we will explain how to interpret the BIST result.
time
reserved reserved reserved reserved reserved reserved BIST_POL BIST_EN
BIST Test Sequence
I 2 C Register 0x6:
1ms