CY8C20110_12 CYPRESS [Cypress Semiconductor], CY8C20110_12 Datasheet - Page 29

• Manufacturer Part Number: CY8C20110_12
• Manufacturer: CYPRESS [Cypress Semiconductor]

Appendix
Examples of Frequently Used I
Document Number: 001-54606 Rev. *G
Note
S. No.
25. The ‘W’ indicates the write transfer and the next byte of data represents the 7-bit I2C address. The I2C address is assumed to be ‘0’ in the above examples. Similarly
1
2
3
4
5
6
7
8
9
‘R’ indicates the read transfer followed by 7-bit address and data byte read operations.
Enter into setup mode
Enter into normal mode
Load factory defaults to RAM
registers
Do a software reset
Save current configuration to
flash
Load factory defaults to RAM
registers and save as user
configuration
Enable GP00 as CapSense
button
Read CapSense button(GP00)
scan results
Read CapSense button status
register
Requirement
2
C Commands
I
2
R 00 RD. RD. RD.
C commands
W 00 A0 08
W 00 A0 07
W 00 A0 02
W 00 A0 08
W 00 A0 06
W 00 A0 01
W 00 A0 08
W 00 A0 02
W 00 A0 01
W 00 A0 06
W 00 A0 08
W 00 06 01
W 00 A0 01
W 00 A0 06
W 00 81 01
W 00 82
W 00 88
R 00 RD
[25]
Enter into setup mode
Do software reset
Enter into setup mode
Load factory defaults to SRAM
Save the configuration to flash. Wait for time specified in
CapSense Express Commands on page
Do software reset
Enter into setup mode
Configuring CapSense buttons
Save the configuration to flash. Wait for time specified in
CapSense Express Commands on page
Do software reset
Select CapSense button for reading scan result
Set the read point to 82h
Consecutive 6 reads get baseline, difference count and raw
count (all two byte each)
Set the read pointer to 88
Reading a byte gets status CapSense inputs
CY8C20160, CY8C20140
CY8C20110, CY8C20180
Comment
17.
17.
CY8C20142
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