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CAP1114 датащи(PDF) 57 Page - Microchip Technology |
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CAP1114 датащи(HTML) 57 Page - Microchip Technology |
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57 / 102 page ![]() Multiple Channel Capacitive Touch Sensor and LED Driver Datasheet SMSC CAP1114 57 Revision 1.1 (02-04-11) DATASHEET The Calibration Activate Registers force the respective sensors to be re-calibrated. When a bit is set, the corresponding Capacitive Touch Sensor will be re-calibrated and the bit will be automatically cleared once the re-calibration routine has finished. This calibration routine will update the internal analog controls and gain settings followed by a digital calibration to capture the base count for touch detection. During the re-calibration routine, the sensors will not detect a press for up to 600ms and the Sensor Base Count register values will be invalid. During this time, any press on the corresponding sensors will invalidate the re-calibration. 6.20.1 Calibration Activate - 26h Bit 7 - G_CAL - When set, all sensors in the group are re-calibrated. This bit is automatically cleared once all of the sensors in the group have been re-calibrated successfully. Bit 6 - S7_CAL - When set, the CS7 input is re-calibrated. This bit is automatically cleared once the sensor has been re-calibrated successfully. Bit 5 - S6_CAL - When set, the CS6 input is re-calibrated. This bit is automatically cleared once the sensor has been re-calibrated successfully. Bit 4 - S5_CAL - When set, the CS5 input is re-calibrated. This bit is automatically cleared once the sensor has been re-calibrated successfully. Bit 3 - S4_CAL - When set, the CS4 input is re-calibrated. This bit is automatically cleared once the sensor has been re-calibrated successfully. Bit 2 - S3_CAL - When set, the CS3 input is re-calibrated. This bit is automatically cleared once the sensor has been re-calibrated successfully. Bit 1 - S2_CAL - When set, the CS2 input is re-calibrated. This bit is automatically cleared once the sensor has been re-calibrated successfully. Bit 0 - S1_CAL - When set, the CS1 input is re-calibrated. This bit is automatically cleared once the sensor has been re-calibrated successfully. 6.20.2 Grouped Sensor Calibration Activate - 46h Bit 6 - S14_CAL - When set, the CS14 input is re-calibrated. This bit is automatically cleared once the sensor has been re-calibrated successfully. Bit 5 - S13_CAL - When set, the CS13 input is re-calibrated. This bit is automatically cleared once the sensor has been re-calibrated successfully. Bit 4 - S12_CAL - When set, the CS12 input is re-calibrated. This bit is automatically cleared once the sensor has been re-calibrated successfully. Bit 3 - S11_CAL - When set, the CS11 input is re-calibrated. This bit is automatically cleared once the sensor has been re-calibrated successfully. Bit 2 - S10_CAL - When set, the CS10 input is re-calibrated. This bit is automatically cleared once the sensor has been re-calibrated successfully. Bit 1 - S9_CAL - When set, the CS9 input is re-calibrated. This bit is automatically cleared once the sensor has been re-calibrated successfully. Bit 0 - S8_CAL - When set, the CS8 input is re-calibrated. This bit is automatically cleared once the sensor has been re-calibrated successfully. |
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