CY8C201A0_12 CYPRESS [Cypress Semiconductor], CY8C201A0_12 Datasheet - Page 6

• Manufacturer Part Number: CY8C201A0_12
• Manufacturer: CYPRESS [Cypress Semiconductor]

Typical Circuits
Document Number: 001-54607 Rev. *G
Note
6. For low power requirements, if V
I
should not be driven high by the master in this situation. If a port pin or group of port pins of the master can cater to the power supply requirements of the circuit, the
LDO can be avoided.
2
C pull-ups, and LEDs should be from same source such that turning off the V
Figure 5. Circuit 3 – Powering Down CapSense Express Device for Low Power Requirements
Master
(continued)
Host
Or
Output
enable
DD
is to be turned off, the concept mentioned in this section can be used. The requirement is that the V
LDO
CapSense Express
Output
DD
ensures that no signal is applied to the device while it is unpowered. The I
VDD
SDA
SCL
LED
I2C Pull
UPs
DD
s of CapSense Express,
CY8C201A0
BUS
[6]
I2C
Page 6 of 38
2
C signals