at42qt2160 ATMEL Corporation, at42qt2160 Datasheet - Page 36

• Manufacturer Part Number: at42qt2160
• Description: Qslide?, 16-key Qmatrix? Sensor Ic
• Manufacturer: ATMEL Corporation

8. Setups Block
Setups data is sent from the host to the QT2160 using the
onto this interface. Thus each setup can be accessed by reading/writing the appropriate address. Setups can be accessed
individually or as a block.
Table 8-1.
36
Address
22...37
38...53
54...69
12
13
15
16
17
18
19
20
21
AT42QT2160
Bytes
16
16
16
Setups Table
1
1
1
1
1
1
1
1
1
LP Mode
Burst Repetition
Neg Drift Comp
Pos Drift Comp
Normal DI Limit
Neg recal delay
Drift Hold
Time/Awake
Timeout
Slider Control
Slider Options
Key Control
Neg threshold
Burst Length
Parameter
DHT/AWAKE
RESOLUTIO
NUM_KEYS
KEY_CONT
LP_MODE
Symbol
NDRIFT
PDRIFT
BREP
HYST
NTHR
NDIL
NRD
BL
N
Range
0 - 255
0...127
0...127
0...255
2...255
0, 2...8
1...255
0...255
Valid
1...63
1...31
0...15
0...6
0...3
I
Bits
2
C
8
6
7
7
5
8
8
4
4
3
3
8
8
-compatible interface. The setups block is memory mapped
Scope
Slider
Slider
Slider
Key
16
16
16
16
16
16
16
1
1
1
0 (AKS off)
5 (5 keys)
Default
position)
pulses)
(40.8s)
25 (4s)
25 (4s)
Value
4 (16
255
0 (1
20
10
1
1
5
3
0: SLEEP mode (no capacitive
sensing)
1- 255: Low Power mode,
increments in steps of 16ms
Range is 1...63 burst repetitions
Range is in 0.16s increments, 1 =
0.16s/reference level
Range is in 0.16s increments, 1 =
0.16s/reference level
Normal DI limit: take the operand
and add 2 to get the value
Range is in 0.16s increments; 0 =
infinite; default = 40.8s
Range is {infinite, 0.16...40.8s}
Range in 0.2s increments; default
= 4s
0...8: hysteresis for slider’s
reported position
0: disables slider mode
2...8: number of keys in slider
Slider Keys start at X0 and are on
Y0
Resolution of reported slider touch
position
8 bits (0) to 2 bits (6)
0: AKS disabled
1...3: AKS groups
0: Key disabled
1...255: Burst length = BL x 4
Description
9502A–AT42–07/08
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