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CAP1296 数据表(PDF) 39 Page - Microchip Technology |
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CAP1296 数据表(HTML) 39 Page - Microchip Technology |
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39 / 68 page  2013-2015 Microchip Technology Inc. DS00001569B-page 39 CAP1296 Bit 1 - CS2_INT_EN - Enables the ALERT# pin to be asserted if a touch is detected on CS2 (associated with the CS2 status bit). Bit 0 - CS1_INT_EN - Enables the ALERT# pin to be asserted if a touch is detected on CS1 (associated with the CS1 status bit). 5.12 Repeat Rate Enable Register The Repeat Rate Enable register enables the repeat rate of the sensor inputs as described in Section 4.9.2, "Capacitive Sensor Input Interrupt Behavior". For all bits in this register: • ‘0’ - The repeat rate for the specified sensor input is disabled. It will only generate an interrupt when a touch is detected and when a release is detected (if enabled) no matter how long the touch is held. • ‘1’ (default) - The repeat rate for the specified sensor input is enabled. In the case of a “touch” event, it will gener- ate an interrupt when a touch is detected and a release is detected (as determined by the INT_REL_n bit - see Section 5.6, "Configuration Registers"). In the case of a “press and hold” event, it will generate an interrupt when a touch is detected and at the repeat rate so long as the touch is held. Bit 5 - CS6_RPT_EN - Enables the repeat rate for capacitive touch sensor input 6. Bit 4 - CS5_RPT_EN - Enables the repeat rate for capacitive touch sensor input 5. Bit 3 - CS4_RPT_EN - Enables the repeat rate for capacitive touch sensor input 4. Bit 2 - CS3_RPT_EN - Enables the repeat rate for capacitive touch sensor input 3. Bit 1 - CS2_RPT_EN - Enables the repeat rate for capacitive touch sensor input 2. Bit 0 - CS1_RPT_EN - Enables the repeat rate for capacitive touch sensor input 1. 5.13 Signal Guard Enable Register The Signal Guard Enable register enables the signal guard for the specified sensor inputs as described in Section 4.5.1, "Signal Guard". When the signal guard is enabled, CS3 is disabled. For all bits in this register: • ‘0’ (default) - The signal guard is disabled for the specified sensor input. • ‘1’ - The signal guard is enabled for the specified sensor input. Bit 5 - CS6_SG_EN - Enables the signal guard for capacitive touch sensor input 6. Bit 4 - CS5_SG_EN - Enables the signal guard for capacitive touch sensor input 5. Bit 3 - CS4_SG_EN - Enables the signal guard for capacitive touch sensor input 4. Bit 1 - CS2_SG_EN - Enables the signal guard for capacitive touch sensor input 2. Bit 0 - CS1_SG_EN - Enables the signal guard for capacitive touch sensor input 1. TABLE 5-24: REPEAT RATE ENABLE REGISTER Addr R/W Register B7 B6 B5 B4B3B2B1 B0 Default 28h R/W Repeat Rate Enable -- CS6_ RPT_EN CS5_ RPT_EN CS4_ RPT_EN CS3_ RPT_EN CS2_ RPT_EN CS1_ RPT_EN 3Fh TABLE 5-25: SIGNAL GUARD ENABLE REGISTER Addr R/W Register B7 B6 B5 B4B3B2B1 B0 Default 29h R/W Signal Guard Enable -- CS6_ SG_EN CS5_ SG_EN CS4_ SG_EN - CS2_ SG_EN CS1_ SG_EN 00h |
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