CY8C20121 datasheet(21/43 Pages) CYPRESS

Part #	CY8C20121

Description	CapSense Express ??One Button and Two Button Capacitive Controllers

PDF	43 Pages

Scroll/Zoom	100%

Manufacturer	CYPRESS [Cypress Semiconductor]

Direct Link	http://www.cypress.com

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21 / 43 page

CY8C20111, CY8C20121

Document Number: 001-53516 Rev. *G

Page 21 of 43

8.25 CS_READ_BLx

Baseline Value MSB/LSB Registers

Reading from this register returns the 2-byte current baseline value for the selected CapSense input.

8.26 CS_READ_DIFFx

Difference Count Value MSB/LSB Registers

Reading from this register returns the 2-byte current difference count for the selected CapSense input.

8.27 CS_READ_RAWx

Difference Count Value MSB/LSB Registers

Reading from this register returns the 2-byte current raw count value for the selected CapSense input.

CS_READ_BLM: 82h

CS_READ_BLL: 83h

1/2 Button

7654321

Access: FD

R: 00

Bit Name

BL [7:0]

Bit

Name

Description

7:0

BL [7:0]

These bits represent the baseline value.

CS_READ_DIFFM: 82h

CS_READ_DIFFL: 83h

1/2 Button

7654321

Access: FD

R: 00

Bit Name

DIF [7:0]

Bit

Name

Description

7:0

DIF [7:0]

These bits represent the sensor difference count.

CS_READ_RAWM: 82h

CS_READ_RAWL: 83h

1/2 Button

7654321

Access: FD

R: 00

Bit Name

RC [7:0]

Bit

Name

Description

7:0

RC [7:0]

These bits represent the raw count value.

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