at42qt2100 ATMEL Corporation, at42qt2100 Datasheet - Page 2

• Manufacturer Part Number: at42qt2100
• Description: Qtouch Touch Sensor Ic
• Manufacturer: ATMEL Corporation

1. Pinout and Schematic
1.1
1.2
Table 1-1.
2
Pin
10
11
12
1
2
3
4
5
6
7
8
9
Pinout Configuration
Pin Descriptions
AT42QT2100
Pin Listing
SNSB4
SNSB5
SNSB6
SNSB3
SNSKB2
SNSKB3
SNSKB4
SNSKB5
SNSKB6
SNSKB7
Name
VDD
VSS
(1)
(1)
(1)
(1)
Type
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
P
P
SNSKB3
SNSKB4
SNSKB2
SNSB5
SNSB3
SNSB4
Function
Sense pin. Connect to any CsB + Key
Sense pin. Connect to CsB3
Sense pin. Connect to any CsB + Key
Power
Ground
Sense pin. Connect to any CsB + Key
Sense pin. Connect to CsB4
Sense pin. Connect to CsB5
Sense pin. Connect to any CsB + Key
Sense pin. Connect to any CsB + Key
Sense pin. Connect to any CsB + Key
Sense pin. Connect to CsB6
VDD
VSS
1
2
3
4
5
6
7
8
32 31 30 29 28 27 26 25
9 10 11
QT2100
12
13
14
15
16
24
23
22
21
20
19
18
17
If Unused, Connect To...
SNSKA1
SNSA1
SPREAD
VSS
CHANGE
DRDY
VDD
SCK
Open
Open
Open
Open
Open
Open
Open
Open
Open
Open
9554CX–AT42–11/11
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