AT42QT1111-MU Atmel, AT42QT1111-MU Datasheet - Page 28

• Manufacturer Part Number: AT42QT1111-MU
• Description: IC TOUCH SENSOR 11KEY QFN
• Manufacturer: Atmel
• Series: QTouch™r
• Type: Capacitiver

Specifications of AT42QT1111-MU

• Touch Panel Interface: 10, 2-Wire
• Number Of Inputs/keys: 11 Key
• Data Interface: Serial, SPI™
• Voltage Reference: Internal
• Voltage - Supply: 3 V ~ 5.5 V
• Current - Supply: 12mA
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 32-VFQFN Exposed Pad
• Output Type: Logic
• Interface: SPI
• Input Type: Logic
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: AT42QT1111-MU; AT42QT1111-MUTR

7. Setups and Status Information
7.1
Table 7-1.
28
Address
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
0
1
2
3
4
5
6
7
8
9
Introduction
AT42QT1111-MU/AT42QT1111-AU
Memory Map
Function
Device Mode
Guard Key/Comms Options
Detect Integrator (DI)/Drift Hold Time (DHT)
Positive Threshold (PTHR)/Positive Hysterisis (PHYST)
Positive Drift Compensation (PDRIFT)
Positive Recalibration Delay (PRD)
Lower Burst Limit (LBL)
AKS Mask: Keys 8–10
AKS Mask: Keys 0–7
Detect0 PWM “Detect”/PWM “No Detect”
Detect1 PWM “Detect”/PWM “No Detect”
Detect2 PWM “Detect”/PWM “No Detect”
Detect3 PWM “Detect”/PWM “No Detect”
Detect4 PWM “Detect”/PWM “No Detect”
Detect5 PWM “Detect”/PWM “No Detect”
Detect6 PWM “Detect”/PWM “No Detect”
LED Detect Hold Time
LED Fade/Key to LED
LED Latch
Key0 Negative Threshold (NTHR)/Negative Hysterisis (NHYST)
Key1 Negative Threshold (NTHR)/Negative Hysterisis (NHYST)
Key2 Negative Threshold (NTHR)/Negative Hysterisis (NHYST)
Key3 Negative Threshold (NTHR /Negative Hysterisis (NHYST)
Key4 Negative Threshold (NTHR /Negative Hysterisis (NHYST)
Key5 Negative Threshold (NTHR)/Negative Hysterisis (NHYST)
Key6 Negative Threshold (NTHR)/Negative Hysterisis (NHYST)
Key7 Negative Threshold (NTHR)/Negative Hysterisis (NHYST)
Key8 Negative Threshold (NTHR)/Negative Hysterisis (NHYST)
Key9 Negative Threshold (NTHR)/Negative Hysterisis (NHYST)
Key10 NegativeThreshold (NTHR)/Negative Hysterisis (NHYST)
Reserved
Key0 Negative Drift Compensation (NDRIFT)/Negative Recalibration Delay (NRD)
The bytes of the setup table can be written to or read from individually. The setup table and the
corresponding “Set” and “Get” commands are listed in
discontinuity in the “Set” and “Get” commands; 0xAF and 0xEF are not implemented.
Table
Set Command
7-1. Note that there is a
0xAC
0xAD
0x9A
0x9B
0x9C
0x9D
0x9E
0xA0
0xA1
0xA2
0xA3
0xA4
0xA5
0xA6
0xA7
0xA8
0xA9
0xAA
0xAB
0xB0
0x90
0x91
0x92
0x93
0x94
0x95
0x96
0x97
0x98
0x99
0x9F
–
Get Command
9571A–AT42–02/10
0xDA
0xDB
0xDC
0xDD
0xDE
0xDF
0xEA
0xEB
0xEC
0xED
0xD0
0xD1
0xD2
0xD3
0xD4
0xD5
0xD6
0xD7
0xD8
0xD9
0xE0
0xE1
0xE2
0xE3
0xE4
0xE5
0xE6
0xE7
0xE8
0xE9
0xF0
–