CAP1106 datasheet(13/48 Pages) MICROCHIP

Part #	CAP1106

Description	6 Channel Capacitive Touch Sensor

PDF	48 Pages

Scroll/Zoom	100%

Manufacturer	MICROCHIP [Microchip Technology]

Direct Link	http://www.microchip.com

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13 / 48 page

 2015 Microchip Technology Inc.

DS00001624B-page 13

CAP1106

4.5

BC-Link Interface

The BC-Link is a proprietary bus developed to allow communication between a host controller device to a companion

device. This device uses this serial bus to read and write registers and for interrupt processing. The interface uses a

data port concept, where the base interface has an address register, data register and a control register, defined in the

8051’s SFR space.

Refer to documentation for the BC-Link compatible host controller for details on how to access the CAP1106-2 via the

BC-Link Interface.

TABLE 4-7:

BLOCK READ PROTOCOL

Start

Slave

Address

ACK

Address

ACK

Start

Slave

Address

ACK

Data

1->0

0101_000

XXh

1 ->0

0101_000

XXh

ACK

Data

ACK

Data

ACK

Data

ACK

. . .

Data

NACK

Stop

XXh

. . .

XXh

0 -> 1

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