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CAP1028 Datasheet(PDF) 32 Page - SMSC Corporation |
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CAP1028 Datasheet(HTML) 32 Page - SMSC Corporation |
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32 / 71 page  8 Channel Capacitive Touch Sensor with 2 LED Drivers Datasheet Revision 1.1 (08-05-09) 32 SMSC CAP1028 DATASHEET Chapter 5 Register Description The registers shown in Table 5.1 are accessible through the communications protocol. An entry of ‘-’ indicates that the bit is not used and will always read ‘0’. Table 5.1 Register Set in Hexadecimal Order REGISTER ADDRESS R/W REGISTER NAME FUNCTION DEFAULT VALUE PAGE 00h R/W Main Status Control Controls general power states and power dissipation 00h Page 35 03h R Sensor Status Returns the state of the sampeld Capacative Touch Sensor 00h Page 36 04h R LED Status Stores status bits for LEDs 00h Page 36 0Ah R Noise Flag Status Stores the noise flags for sensors 00h Page 37 10h R Sensor 1 Delta Count Stores the delta count for CS1 00h Page 37 11h R Sensor 2 Delta Count Stores the delta count for CS2 00h Page 37 12h R Sensor 3 Delta Count Stores the delta count for CS3 00h Page 37 13h R Sensor 4 Delta Count Stores the delta count for CS4 00h Page 37 14h R Sensor 5 Delta Count Stores the delta count for CS5 00h Page 37 15h R Sensor 6 Delta Count Stores the delta count for CS6 00h Page 37 16h R Sensor 7 Delta Count Stores the delta count for CS7 00h Page 37 17h R Sensor 8 Delta Count Stores the delta count for CS8 00h Page 37 1Fh R/W Sensitivity Control Controls the sensitivity of the threshold and delta counts and data scaling of the base counts 2Fh Page 38 20h R/W Configuration Controls general functionality and LED controls 20h Page 39 21h R/W Sensor Enable Controls whether the Capacitive Touch Sensor inputs are sampled FFh Page 40 22h R/W Sensor Configuration Controls reset delay and auto-repeat delay for sensors operating in the full power state A4h Page 40 23h R/W Sensor Configuration 2 Controls the MPRESS controls for all sensors 07h Page 42 24h R/W Averaging and Sampling Config Controls averaging and sampling window 1Dh Page 42 26h R/W Calibration Activate Activates manual re-calibration for Capacative Touch Sensors FFh Page 44 27h R/W Interrupt Enable Enables Interrupts associated with Capacative Touch Sensors FFh Page 44 |
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