AT42QT2161-MMU Atmel, AT42QT2161-MMU Datasheet - Page 3

• Manufacturer Part Number: AT42QT2161-MMU
• Description: IC TOUCH SENSOR 16KEY QFN M-MOD
• Manufacturer: Atmel
• Type: Capacitiver

Specifications of AT42QT2161-MMU

• Touch Panel Interface: 8, 2-Wire
• Number Of Inputs/keys: 16 Key, Slider
• Resolution (bits): 10 b
• Data Interface: I²C, Serial
• Voltage Reference: Internal
• Voltage - Supply: 1.8 V ~ 5.5 V
• Current - Supply: 1.14mA
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 28-VFQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

9614A–AT42–08/10
Table 1-1.
Pin
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
Pin Listing (continued)
Function
I
O
OD
GPIO1
I2CA0
I2CA1
SDA
Y0B
Y1B
SCL
RST
Y0A
Y1A
Vdd
Vdd
Vss
X4
X5
Input only
Output only, push-pull
Open drain output
OD
OD
I/O
I/O
I/O
I/O
I/O
I/O
O
O
P
P
P
I
I
I
X matrix drive line / shared GPO X4
X matrix drive line / shared GPO X5
Power
Power
Ground
Y line connection
Y line connection
I
I
Serial Interface Data
Serial Interface Clock
Reset low; has internal 30 k - 60 k
pull-up resistor
Y line connection
Y line connection
General purpose input/output 1
2
2
C-compatible address select
C-compatible address select
I/O
P
Comments
Input and output
Ground or power
AT42QT2161
Leave open or
Connect To...
Leave open
Leave open
Leave open
Leave open
Leave open
Leave open
If Unused,
Vdd
–
–
–
–
–
–
–
–
3