at42qt1060 ATMEL Corporation, at42qt1060 Datasheet - Page 4

• Manufacturer Part Number: at42qt1060
• Description: Qtouch? 6-channel Sensor Ic
• Manufacturer: ATMEL Corporation

1.3
Figure 1-1.
4
Schematic
AT42QT1060
Note: The central pad on the underside of the chip
is a Vss pin and should be connected to ground.
Typical Circuit
Vunreg
IO Port
pins
Change
Voltage Reg
Note:
Suggested regulator manufacturers:
•
•
•
Re
•
•
•
•
•
Figure 1-1
Torex (XC6215 series)
Seiko (S817 series)
BCDSemi (AP2121 series)
Section 3.1 on page
Section 3.2 on page
Section 3.5 on page
Section 5.4 on page
Section 3.3 on page
100k
Rchg
In some systems it may be desirable to connect RST to the master reset signal.
VDD
check the following sections for component values:
100nF
CB1
25
27
26
20
19
22
21
5
6
RST
IO6
IO5
IO4
IO3
IO2
IO1
IO0
CHG
9: Cs capacitors (Cs0 – Cs5)
9: Series resistors (Rs0 – Rs5)
10: Voltage levels
16: SDA, SCL pull-up resistors (not shown)
10: LED traces
QT1060
VDD
18
17
16
4
3
SNS5K
SNS4K
SNS3K
SNS2K
SNS1K
SNS0K
SNS5
SNS4
SNS3
SNS2
SNS1
SNS0
SDA
SCL
Note: Bypass capacitor to be tightly wired
between Vdd and Vss. Follow
from
capacitors.
15
14
13
12
28
10
23
24
11
9
8
7
2
1
regulator manufacturer for input and output
SDA
SCL
Keep these parts
close to the IC
Standalone Mode
Cs5
Cs4
Cs3
Cs2
Cs1
Cs0
23
24
Rs5
Rs4
Rs3
Rs2
Rs0
Rs1
I C-compatible Data
I C
2
2
recommendations
-compatible
VDD
KEY 5
KEY 4
KEY 3
KEY 2
KEY 1
KEY 0
Clock in
9505E–AT42–02/09