參數(shù)資料
型號(hào)： AT42QT1070-SSU
廠商： ATMEL CORP
元件分類： 速度傳感器和接近開關(guān)
英文描述： PROXIMITY SENSOR-CAPACITIVE, 0.6-2.6V, RECTANGULAR, SURFACE MOUNT
封裝： 0.150 INCH, ROHS COMPLIANT, PLASTIC, MS-012AB, SOIC-14
文件頁(yè)數(shù)： 15/38頁(yè)
文件大?。?/td> 509K
代理商： AT42QT1070-SSU
22
9596A–AT42–10/10
AT42QT1070
5.11
Address 53: FastOutDI/Max Cal/Guard Channel
FO: Fast Out DI – when bit 5 is set then a key filters out with an integrator of 4. Could have a DI
in of 100 but filter out with DI of 4 (global setting for all keys).
MAX CAL: if this bit is clear then all keys recalibrate after a Max On Duration timeout, otherwise
only the key with the incorrect timing gets recalibrated.
GUARD CHANNEL: bits 0 – 3 are used to set a key as the guard channel (which gets priority
filtering). Valid values are 0 – 6, with any larger value disabling the guard key feature.
5.12
Address 54: Low Power (LP) Mode
LP MODE: this 8-bit value determines the number of 8 ms intervals between key
measurements. Longer intervals between measurements yield a lower power consumption but
at the expense of a slower response to touch.
Default: 2 (16 ms between key acquisitions)
Table 5-11.
Max On/Guard Channel
Address
b7
b6
b5
b4
b3
b2
b1
b0
53
–
FO
MAX CAL
GUARD CHANNEL
Table 5-12.
LP Mode
Address
b7
b6
b5
b4
b3
b2
b1
b0
54
LOW POWER MODE
Setting
Time
0
8ms
1
8ms
2
16 ms
3
24 ms
4
32 ms
...254
2.032s
255
2.040s
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