Datasheet

42
9502A–AT42–07/08
AT42QT2160
Figure 9-1. Typical Initialization and Usage
Send setup parameters to set up
QT2160
Reset/Power Up
CHANGE pin
active (low)?
Send Calibrate command
Read all status bytes (Address 2...6)
to restore CHANGE pin to inactive
(high)
Read required Status bytes and other
status bytes that changed, to restore
CHANGE pin to inactive (high).
CHANGE pin
active (low)?
Host processes received status bytes
No
Yes
No
Yes
‘Reset occurred’
bit = 1?
No
Yes