at42qt2160 ATMEL Corporation, at42qt2160 Datasheet - Page 23

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

7. Communications Protocol
7.1
9502A–AT42–07/08
Introduction
The device is address mapped. All communications consist of writes to, and reads from,
locations in an 8-bit address map.
Table 7-1.
Address
22...37
38...53
54...69
8...9
10
11
12
13
14
15
16
17
18
19
20
21
70
0
1
2
3
4
5
6
7
Memory Map
Chip ID
Major/minor code version
General Status
Key Status 1
Key Status 2
Slider Touch Position
GPIO Read
Sub-revision
Reserved - 0x00
Calibrate
Reset
LP Mode
Burst Repetition
Reserved - 0x00
Neg Drift Compensation
Pos Drift Compensation
Normal DI Limit
Neg Recal Delay
Drift Hold Time/AWAKE
Slider Control
Slider Options
Key 0 - 15 Key Control
Key 0 - 15 Neg Threshold
Key 0 - 15 Burst Length
GPIO/GPO Drive 1
Table 7-1
Use
shows the address map of QT2160.
AT42QT2160
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Access
Read
Read
Read
Read
Read
Read
Read
-
-
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