AT42QT2161-MMU Atmel, AT42QT2161-MMU Datasheet - Page 39

• 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

Table 7-1.
9614A–AT42–08/10
Address
78
74
75
76
77
–
79
Bytes
Setups Table (continued)
1
1
1
1
2
GPO PWM 1
GPIO PWM 2
PWM Level
GPIO Wake
Common
Change Keys
Parameter
DUTY_CYC
Symbol
k0
GPIO3
GPIO2
GPIO1
GPIO3
GPIO2
GPIO1
X7
X6
X5
X4
X3
X2
X1
X0
–
-
-
-
-
-
-
-
-
-
-
k15
Range
0
Valid
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
-
-
-
-
-
-
-
-
-
-
255
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Bits
16
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
8
1
1
1
1
1
1
1
1
Scope
GPIOs
Key
16
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Default
Value
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0: PWM disabled
1: PWM enabled
If GPIO set to output,
0: PWM disabled
1: PWM enabled
If PWM enabled,
0
250
output
If GPIO set to output,
0: GPIO not read in SLEEP
1: GPIO read in SLEEP
–
10: 100 percent low output
–
255: 100 percent high
Description
AT42QT2161
Page
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