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CAP1133 Datasheet(PDF) 19 Page - Microchip Technology |
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CAP1133 Datasheet(HTML) 19 Page - Microchip Technology |
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19 / 63 page  2015 Microchip Technology Inc. DS00001625B-page 19 CAP1133 6.0 REGISTER DESCRIPTION The registers shown in Table 6-1 are accessible through the communications protocol. An entry of ‘-’ indicates that the bit is not used and will always read ‘0’. TABLE 6-1: REGISTER SET IN HEXADECIMAL ORDER Register Address R/W Register Name Function Default Value Page 00h R/W Main Control Controls general power states and power dissipation 00h Page 21 02h R General Status Stores general status bits 00h Page 22 03h R Sensor Input Status Returns the state of the sampled capacitive touch sensor inputs 00h Page 22 04h R LED Status Stores status bits for LEDs 00h Page 22 0Ah R Noise Flag Status Stores the noise flags for sensor inputs 00h Page 23 10h R Sensor Input 1 Delta Count Stores the delta count for CS1 00h Page 23 11h R Sensor Input 2 Delta Count Stores the delta count for CS2 00h Page 23 12h R Sensor Input 3 Delta Count Stores the delta count for CS3 00h Page 23 1Fh R/W Sensitivity Control Controls the sensitivity of the threshold and delta counts and data scaling of the base counts 2Fh Page 24 20h R/W Configuration Controls general functionality 20h Page 25 21h R/W Sensor Input Enable Controls whether the capacitive touch sensor inputs are sampled 07h Page 26 22h R/W Sensor Input Configura- tion Controls max duration and auto-repeat delay for sensor inputs operating in the full power state A4h Page 27 23h R/W Sensor Input Configura- tion 2 Controls the MPRESS controls for all sensor inputs 07h Page 28 24h R/W Averaging and Sam- pling Config Controls averaging and sampling win- dow 39h Page 28 26h R/W Calibration Activate Forces re-calibration for capacitive touch sensor inputs 00h Page 30 27h R/W Interrupt Enable Enables Interrupts associated with capacitive touch sensor inputs 07h Page 30 28h R/W Repeat Rate Enable Enables repeat rate for all sensor inputs 07h Page 30 2Ah R/W Multiple Touch Configu- ration Determines the number of simultane- ous touches to flag a multiple touch condition 80h Page 31 2Bh R/W Multiple Touch Pattern Configuration Determines the multiple touch pattern (MTP) configuration 00h Page 31 2Dh R/W Multiple Touch Pattern Determines the pattern or number of sensor inputs used by the MTP cir- cuitry 07h Page 32 2Fh R/W Recalibration Configura- tion Determines re-calibration timing and sampling window 8Ah Page 33 30h R/W Sensor Input 1 Thresh- old Stores the delta count threshold to determine a touch for Capacitive Touch Sensor Input 1 40h Page 34 |
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