at42qt1060 ATMEL Corporation, at42qt1060 Datasheet - Page 18

• Manufacturer Part Number: at42qt1060
• Description: Qtouch? 6-channel Sensor Ic
• Manufacturer: ATMEL Corporation

Table 6-1.
6.2
6.3
6.4
6.5
18
Note:
Address
40 – 51
52 – 63
Address 0: Chip ID
Address 1: Device Version Number
Address 2: Minor Version Number
Address 4: Detection Status
Res'd = Reserved; only write zero to these bits.
AT42QT1060
Key 0 – 5 Signal
Key 0 – 5 Reference
Internal Register Address Allocation (Continued)
Use
Table 6-2.
Table 6-3.
Table 6-4.
Table 6-5.
MAJOR ID: Reads back as 3
MINOR ID: Reads back as 1
DEVICE VERSION NUMBER: this is the 8-bit firmware version number (0x03).
MINOR VERSION NUMBER: this is the 8-bit minor firmware revision number (0x00).
CAL: a 1 indicates that the QT1060 is currently calibrating.
KEY0 – 5: bits 0 to 5 indicate which keys are in detection, if any; touched keys report as 1,
untouched or disabled keys report as 0.
Address
Address
Address
Address
0
1
2
4
R/W
R
R
Chip ID
Device Version Number
Minor Version Number
Detection Status
CAL
b7
b7
b7
b7
Bit 7
Reserved
b6
b6
b6
b6
MAJOR ID
Bit 6
KEY5
b5
b5
b5
b5
Bit 5
DEVICE VERSION NUMBER
MINOR VERSION NUMBER
KEY4
b4
b4
b4
b4
Bit 4
KEY3
b3
b3
b3
b3
Bit 3
KEY2
b2
b2
b2
b2
MINOR ID
Bit 2
KEY1
b1
b1
b1
b1
Bit 1
9505E–AT42–02/09
KEY0
b0
b0
b0
b0
Bit 0