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WISMO_READY Indication
This signal indicates the status of the WISMO228 after being powered ON. Note that there is an
initial positive pulse of less than 200ms during power ON. Refer to Figure 35: Power‐ON Sequence
for more information regarding the power ON sequence. Once the WISMO228 is properly powered
ON, the WISMO_READY signal will set to HIGH to acknowledge the successful powering ON of
the WISMO228 before it is ready to operate. Likewise, the pin will set to LOW before powering OFF.
Electrical Characteristics
The following table describes the electrical characteristics of the WISMO_READY signal.
Parameters
VOH
VOL
Pin Description
The following table provides the pin description of the WISMO_READY signal.
Pin #
Signal
7
WISMO_READY
WA_DEV_W228_PTS_002
Table 29. Electrical Characteristics of the WISMO_READY Indication
I/O Type
2V8
2V8
Table 30. WISMO_READY Indication Pin Description
I/O
I/O Type
O
2V8
WISMO228 ready indication
Rev 001
Product Technical Specification &
Customer Design Guidelines
Minimum
Typical
2.7
2.8
-
-
Description
Maximum
Unit
2.95
V
0.4
V
Page 76 of 108
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