qt1060 Quantum Research Group, qt1060 Datasheet - Page 22

• Manufacturer Part Number: qt1060
• Description: Qtouch? 6-channel Sensor Ic
• Manufacturer: Quantum Research Group

6. Setting Up Procedures
22
AT42QT1060
threshold before that key is registered
D etermine which keys are in the AKS
leaving the SNS pins unconnected in
status register generates a transition
confirmed as having passed the key
Set the number of keys required by
Determine whether a change in the
adjusting the value of the sampling
[Address 30: Detection Integrator ]
Tune the sensitivity of the keys by
corresponding bit in the detection
capacitor, Cs and the negative
measurements that must be
[Address 16 – 21: NTHR]
Determine the number of
[Address 25 : AKS Mask]
[Address 24: Key Mask]
as being in detect .
threshold (NTHR)
To Set Up Keys
on the CHG line.
unused keys.
group .
Determine the active logic level for the
Determine the output level for the I /Os
Determine the duty cycle of the PW M
I/Os that are configured as outputs .
them to be outputs and leave them
configured as outputs will output a
Determine the direction of the I /O
lines. If any lines are unused , set
controlled by their corresponding
[Address 29 : U ser Output Buffer]
[Address 28: Active Level Mask]
that are configured as outputs .
Determine which I /Os that are
Determine which I /Os that are
[Address 27: Detection Mask]
configured as outputs will be
[Address 31 : PW M Level ]
[Address 26 : PW M Mask]
[Address 23: I/O Mask]
To Set Up I/O Lines
capacitive key.
unconnected .
output signal .
PW M signal.
9505D–AT42–12/08