CAP1106 datasheet(29/48 Pages) MICROCHIP

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 2015 Microchip Technology Inc.

DS00001624B-page 29

CAP1106

6.12

Interrupt Enable Register

The Interrupt Enable register determines whether a sensor pad touch or release (if enabled) causes the interrupt pin to

be asserted.

Bit 5 - CS6_INT_EN - Enables the interrupt pin to be asserted if a touch is detected on CS6 (associated with the CS6

status bit).

• ‘0’ - The interrupt pin will not be asserted if a touch is detected on CS6 (associated with the CS6 status bit).

• ‘1’ (default) - The interrupt pin will be asserted if a touch is detected on CS6 (associated with the CS6 status bit).

Bit 4 - CS5_INT_EN - Enables the interrupt pin to be asserted if a touch is detected on CS5 (associated with the CS5

status bit).

Bit 3 - CS4_INT_EN - Enables the interrupt pin to be asserted if a touch is detected on CS4 (associated with the CS4

status bit).

Bit 2 - CS3_INT_EN - Enables the interrupt pin to be asserted if a touch is detected on CS3 (associated with the CS3

status bit).

Bit 1 - CS2_INT_EN - Enables the interrupt pin to be asserted if a touch is detected on CS2 (associated with the CS2

status bit).

Bit 0 - CS1_INT_EN - Enables the interrupt pin to be asserted if a touch is detected on CS1 (associated with the CS1

status bit).

6.13

Repeat Rate Enable Register

The Repeat Rate Enable register enables the repeat rate of the sensor inputs as described in Section 5.3.1.

Bit 5 - CS6_RPT_EN - Enables the repeat rate for capacitive touch sensor input 6.

• ‘0’ - The repeat rate for CS6 is disabled. It will only generate an interrupt when a touch is detected and when a

release is detected no matter how long the touch is held for.

• ‘1’ (default) - The repeat rate for CS6 is enabled. In the case of a “touch” event, it will generate an interrupt when a

touch is detected and a release is detected (as determined by the INT_REL_n bit - see Section 6.6). 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 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.

TABLE 6-22:

INTERRUPT ENABLE REGISTER

ADDR

R/W

Default

27h

R/W

Interrupt

Enable

CS6_

INT_EN

CS5_

INT_EN

CS4_

INT_EN

CS3_

INT_EN

CS2_

INT_EN

CS1_

INT_EN

3Fh

TABLE 6-23:

REPEAT RATE ENABLE REGISTER

ADDR

R/W

B4B3B2B1

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

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