CY8C20111 View Datasheet(PDF) - Cypress Semiconductor

Part Name

Description

MFG CO.

CY8C20111

CapSense® Express™ – One Button and Two Button Capacitive Controllers

Cypress Semiconductor 

1 2 3 4 5 6 7 8 9 10 Next

CY8C20111, CY8C20121

Figure 9. Read ACK Time Representation

Format for Register Write and Read

Register write format

Start Slave Addr + W A Reg Addr A

Data

Register read format

Start Slave Addr + W

Start Slave Addr + R

A Reg Addr A

A

Data

A

Stop

Data

Legends

Master

Slave

A – ACK

N – NAK

Registers

Register Conventions

Convention

Description

RW

Register have both read and write access

R

Register have only read access

WPR Write register with pass code

FD

Factory defaults

A

Data

A .....

Data

A .....

Data N Stop

A Stop

Document Number: 001-53516 Rev. *H

Page 9 of 44

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