at42qt1012 ATMEL Corporation, at42qt1012 Datasheet - Page 2

• Manufacturer Part Number: at42qt1012
• Description: One-channel Toggle-mode Touch Sensor Ic With Power Management Functions
• Manufacturer: ATMEL Corporation

1. Pinout and Schematic
1.1
1.2
2
Pinout Configuration
Pin Descriptions
AT42QT1012
Table 1-1.
Pin
1
2
3
4
5
6
SNSK
OUT
VSS
I
O
Pin Listing
Name
SNSK
TIME
OUT
SNS
Vdd
Vss
1
2
3
Input only
Output only, push-pull
Type
6
5
4
I/O
I/O
O
P
P
I
TIME
VDD
SNS
Output state. To switched circuit and output polarity selection
resistor (Rop)
Supply ground
Sense pin. To Cs capacitor and to sense electrode
Sense pin. To Cs capacitor and multiplier configuration resistor
(Rm). Rm must be fitted and connected to either VSS or VDD.
Power
Timeout configuration pin. Must be connected to either VSS,
VDD, OUT or an RC network.
I/O
P
Input and output
Ground or power
Comments
9543CS–AT42–02/10