at42qt1070 ATMEL Corporation, at42qt1070 Datasheet - Page 5

• Manufacturer Part Number: at42qt1070
• Description: Qtouch 7-channel Sensor Ic
• Manufacturer: ATMEL Corporation

Table 1-2.
9596A–AT42–10/10
Pin
10
11
12
13
14
15
16
17
18
19
20
1
2
3
4
5
6
7
8
9
MODE (Vss)
Pin Listings (20-pin VQFN)
(Comms
CHANGE
RESET
Mode)
Name
KEY4
KEY3
KEY2
KEY1
KEY0
KEY6
KEY5
SDA
SCL
Vdd
N/C
N/C
Vss
N/C
N/C
N/C
N/C
(Standalone
MODE (Vdd)
RESET
Mode)
Name
OUT0
OUT4
OUT3
OUT2
OUT1
KEY4
KEY3
KEY2
KEY1
KEY0
Vdd
N/C
N/C
Vss
N/C
N/C
N/C
N/C
O/OD
O/OD
Type
OD
OD
OD
O
O
O
O
O
–
–
P
P
–
–
–
–
I
O
OD
P
I
I
Input only
Output only, push-pull
Open drain output
Ground or power
Description
Key 4
Key 3
Key 2
Key 1
Key 0
Not connected
Not connected
Ground
Power
Not connected
Mode selection pin
Comms Mode – connect to Vss
Standalone Mode – connect to Vdd
Comms Mode – I
Standalone Mode – open drain output for guard
channel
RESET – has internal pull-up 60 k resistor
CHANGE line for controlling the communications
flow
Comms Mode – connect to CHANGE line
Standalone Mode – connects to output
Comms Mode – connect to I
Standalone Mode – connect to output
Comms Mode – connect to Key 6
Standalone Mode – connect to output
Comms Mode – connect to Key 5
Standalone Mode – connect to output
Not connected
Not connected
Not connected
2
C-compatible data line
2
C-compatible clock
AT42QT1070
If Unused,
Connect To...
Open
Open
Open
Open
Open
Open
Open
Open
Open
Open
Open
–
–
–
–
–
–
–
–
–
5