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AT42QT1110-AU Datasheet(PDF) 26 Page - ATMEL Corporation

Part # AT42QT1110-AU
Description  11-key QTouch Touch Sensor IC
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Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

AT42QT1110-AU Datasheet(HTML) 26 Page - ATMEL Corporation

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AT42QT1110-MU / AT42QT1110-AU [DATASHEET]
9520J–AT42–05/2013
6.7
Error Keys (0xC5)
This command returns a 2-byte bit-field report indicating the error status of all 11 keys. Note that disabled keys do
not report errors.
KEY_n: 0 = key n status good, 1 = key n in error (where n is 0–10).
6.8
Signal for Key k (0x2k)
This command returns a 2-byte report containing the most recent measured signal for key k. The signal is returned
as a 16-bit number, MSB first.
6.9
Reference for Key k (0x4k)
This command returns a 2-byte report containing the reference signal for key k. The reference is returned as a 16-bit
number, MSB first.
6.10
Status for Key k (0x8k)
This command returns a 1-byte report containing the status for key k.
DETECT: 0ut of detect, 1 = in detect.
LBL: 0 = lower burst limit is good, 1 = lower burst limit has error.
MBL: 0 = maximum burst limit is good, 1 = maximum burst limit has error. The maximum burst limit is fixed at 2048
pulses.
Table 6-5.
Send All Keys Report Format
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Byte 0
KEY_10
KEY_9
KEY_8
Byte 1
KEY_7
KEY_6
KEY_5
KEY_4
KEY_3
KEY_2
KEY_1
KEY_0
Table 6-6.
Signal for Key k Report Format
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Byte 0
Signal MSB
Byte 1
Signal LSB
Table 6-7.
Reference for Key k Report Format
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Byte 0
Reference MSB
Byte 1
Reference LSB
Table 6-8.
Status for Key k Report Format
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Byte 0
DETECT
LBL
MBL
AKS_EN
CAL
KEY_EN


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