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(b) Now compare the contents to be programmed with the current OTP contents by clicking the
“Compare OTP” button. If the "Contents to be Programmed" and the "Current OTP Contents" are
the same, the dialog below the “Compare OTP” button changes accordingly, as shown below:
The Compare OTP button assumes the "Contents to be Programmed" and "Current OTP Contents"
are the same length. They must match exactly for dialog box to change to “Match”.
After Programming the OTP, the device will be in "TEST" mode until powered down and then
powered up again. This causes increased ICC outside of datasheet specifications. Once power
cycled, the device ICC returns to normal.
10
Related Documentation
TCA8424 Low-Voltage 8x16 Keyboard Scanner with HID over I2C Compliant Interface Datasheet
(
SCDS341
)
30
TCA8424 Evaluation Module
SCDU004 – March 2013
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