CY8C20110-LDX2I View Datasheet(PDF) - Cypress Semiconductor
Part Name
Description
MFG CO.
'CY8C20110-LDX2I' PDF : 46 Pages View PDF
CY8C20110, CY8C20180
CY8C20160, CY8C20140
CY8C20142
Table 19. CapSense Express CY8C20110 Errata Summary (continued)
Item Issues/Changes
Description
Fix Status
5
Save to Flash
Save to flash command fails when the sleep
interval is set to 512 or 64 Hz.
No fix will be provided. When using save to flash
follow these steps:
1. Write configuration data to registers with sleep
interval set to 8 or 1 Hz
2. Save the settings to flash
3. Change the sleep interval settings per design
6
False Triggering Dur-
ing Power-Up
If a finger is on the sensor during power-up the
sensor triggers and the baseline gets stuck. This
No fix will be provided. Disable the Averaging Filter
if your design requires a finger on the sensor
only happens when the Averaging Filter is
during power-up.
enabled.
CY8C20140/142/160/180/1A0
This section describes the changes between the firmware revisions ×15 and ×1B in CapSense Express devices
(CY8C20140/142/160/180/1A0). All shipments of samples and production parts with firmware version ×1B will encounter the following
changes from the previous (×15) version of the firmware. Cypress inventory has been rotated to the ×1B firmware by WW35, and all
distributor inventory will be rotated by WW42 of 2008.
Contact your local Cypress Sales Representative if you have questions.
Part Numbers Affected
Part Number
CY8C20140
CY8C20142
CY8C20160
CY8C20180
CY8C201A0
Package Type
All Packages
All Packages
All Packages
All Packages
All Packages
Operating Range
Commercial/Industrial
Commercial/Industrial
Commercial/Industrial
Commercial/Industrial
Commercial/Industrial
Product Status
The CY8C20140/142/160/180/1A0 CapSense Express devices have been qualified and are available in production quantities. From
now on, customers are requested to use the production release of CapSense Express device with x1B firmware version.
CapSense Express CY8C20140/142/160/180/1A0 Errata Summary
The following table defines the errata applicable to Cypress CapSense Express devices.
Table 20. CapSense Express CY8C20140/142/160/180/1A0 Errata Summary
Item
Issues
1
I2C ACK
Description
Reduction of I2C ACK timing response by the
CapSense Express slave.
(Time in Normal Operating Mode)
Fix Status
Worst case Ack timing of 140 µs for all critical
registers (Input, Output, CapSense Global
Parameters, and CapSense Buttons and
Slider Read-back Values). For more
information on critical register I2C timings,
refer to application note AN44208
“CapSense Express - I2C Communication
Timing Analysis”.
2
I2C ACK
Reduction of I2C ACK timing response by the
The CapSense Express device ACK to host
CapSense Express slave.
within 100 µs but is not accessible for any
(Time when executing commands to store configuration
in Flash)
other operation until the configuration is
successfully stored into flash memory, and
the CapSense Express device is ready to
execute the next command. For more
information on I2C timings to store
configuration in Flash, refer to application
note AN44208 “CapSense Express - I2C
Communication Timing Analysis”.
Document Number: 001-54606 Rev. *J
Page 42 of 46
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