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参数资料
| 型号： | AT42QT1111-AU |
| 厂商： | ATMEL CORP |
| 元件分类： | 速度传感器和接近开关 |
| 英文描述： | PROXIMITY SENSOR-CAPACITIVE, 0-5V, SQUARE, SURFACE MOUNT |
| 封装： | 7 X 7 MM, 1 MM HEIGHT, 0.80 MM PITCH, ROHS COMPLIANT, PLASTIC, MS-026ABA, TQFP-32 |
| 文件页数： | 16/50页 |
| 文件大小： | 637K |
| 代理商： | AT42QT1111-AU |
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9571B–AT42–08/10
AT42QT1111-MU/AT42QT1111-AU
5.4
Reset (0x04)
The Reset command forces the QT1111 to reset. If the setups data is present in the EEPROM,
the setups are loaded into the device. Otherwise default settings are applied.
The host must wait for at least 320 ms for the operation to be completed before communications
can be re-established.
5.5
Sleep (0x05)
The Sleep command puts the device into sleep mode (see Section 4.3 on page 17).
The host must wait for at least 300 s after a low signal is applied to the SS or CHANGE pin to
wake the device before communications can be re-established.
5.6
Store to EEPROM (0x0A)
Stores the current RAM contents to the QT1111’s internal EEPROM. When the device is reset, it
will automatically reload these settings.
The host must wait for at least 200 ms for the operation to be completed before communications
can be re-established.
5.7
Restore from EEPROM (0x0B)
Settings stored in EEPROM are automatically loaded into RAM when the device is reset. If
desired, these settings can be re-loaded into RAM using the “Restore from EEPROM”
command.
The host must wait for at least 150 ms for the operation to be completed before communications
can be re-established.
5.8
Erase EEPROM (0x0C)
This command erases the settings stored in EEPROM and then resets the QT1111. This causes
the QT1111 to revert to its default settings.
The host must wait for at least 50 ms for the operation to be completed before communications
can be re-established.
Note that under the default settings, the CRC is disabled. By erasing the EEPROM, therefore,
the default settings are restored and the QT1111 is put into non-CRC mode regardless of the
previous setting.
5.9
Recover EEPROM (0x0D)
This command “undeletes” the setup data that was previously stored in the device’s EEPROM
and has been erased using the “Erase EEPROM” command.
Note:
If valid settings have not previously been stored in the device EEPROM, the QT1111
continues to operate under the default settings.
The host must wait for at least 50 ms for the operation to be completed before communications
can be re-established.
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