CY3218-CAPEXP1 Cypress Semiconductor Corp, CY3218-CAPEXP1 Datasheet - Page 7

• Manufacturer Part Number: CY3218-CAPEXP1
• Description: KIT CAPSENSE EXPRESS CY8C20110
• Manufacturer: Cypress Semiconductor Corp
• Series: CapSense Express™r

Specifications of CY3218-CAPEXP1

• Sensor Type: Touch, Capacitive
• Interface: I²C, USB
• Voltage - Supply: 0.9 V ~ 1.5 V
• Embedded: Yes, Other
• Utilized Ic / Part: CY8C20110
• Processor To Be Evaluated: CY8C201x
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Sensitivity: -
• Sensing Range: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 428-2043

Note 1.8 V ≤ VDD_I2C ≤ VDD_CE and 2.4 V ≤ VDD_CE ≤ 5.25 V
For low power requirements, if V
Express, I
the device while it is unpowered. The I
pins of the master can cater to the power supply requirements of the circuit, the LDO can be avoided.
Document Number: 001-54606 Rev. *E
2
C pull-ups, and LEDs should be from the same source such that turning off the V
Master
Figure 7. Circuit 4 – Powering Down CapSense Express Device for Low Power Requirements
Host
Or
Output
enable
DD
Figure 6. Circuit 3 – Compatibility with 1.8 V I
is to be turned off, this concept can be used. The requirement is that the V
LDO
2
C signals should not be driven high by the master in this situation. If a port pin or group of port
CapSense Express
Output
VDD
SDA
SCL
LED
2
C Signaling
CY8C20160, CY8C20140
CY8C20110, CY8C20180
DD
ensures that no signal is applied to
I2C Pull
UPs
DDs
CY8C20142
of CapSense
BUS
I2C
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