CAP1208 datasheet(57/67 Pages) MICROCHIP

57 / 67 page

8-Channel Capacitive Touch Sensor

Datasheet

 2014 Microchip Technology Inc.

DS00001570B-page 57

The Sensor Input Calibration registers hold the 10-bit value that represents the last calibration value.

The value represents the capacitance applied to the internal sensing circuits to balance the

capacitance of the sensor input pad. Minimum (000h) and maximum (3FFh) values indicate analog

calibration failure (see Section 4.4, "Sensor Input Calibration").

5.29

Product ID Register

The Product ID register stores a unique 8-bit value that identifies the device.

5.30

Manufacturer ID Register

The Vendor ID register stores an 8-bit value that represents MCHP.

5.31

Revision Register

The Revision register stores an 8-bit value that represents the part revision.

B7h

Sensor Input 7

Calibration

CAL7_9

CAL7_8

CAL7_7

CAL7_6

CAL7_5

CAL7_4

CAL7_3

CAL7_2

00h

B8h

Sensor Input 8

Calibration

CAL8_9

CAL8_8

CAL8_7

CAL8_6

CAL8_5

CAL8_4

CAL8_3

CAL8_2

00h

B9h

Sensor Input

Calibration

LSB 1

CAL4_1

CAL4_0

CAL3_1

CAL3_0

CAL2_1

CAL2_0

CAL1_1

CAL1_0

00h

BAh

Sensor Input

Calibration

LSB 2

CAL8_1

CAL8_0

CAL7_1

CAL7_0

CAL6_1

CAL6_0

CAL5_1

CAL5_0

00h

Table 5.49 Product ID Register

ADDR

R/W

DEFAULT

FDh

Product ID

CAP1208

01101011

6Bh

Table 5.50 Vendor ID Register

ADDR

R/W

DEFAULT

FEh

Manufacturer ID

011101

5Dh

Table 5.51 Revision Register

ADDR

R/W

DEFAULT

FFh

Revision

00000000

00h

Table 5.48 Sensor Input Calibration Registers (continued)

ADDR

R/W

DEFAULT

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