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CY8C3865LTI-059 Datasheet(PDF) 29 Page - Cypress Semiconductor

Part # CY8C3865LTI-059
Description  Programmable System-on-Chip (PSoC짰)
PDF  129 Pages
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Manufacturer  CYPRESS [Cypress Semiconductor]
Direct Link  http://www.cypress.com
Logo CYPRESS - Cypress Semiconductor

CY8C3865LTI-059 Datasheet(HTML) 29 Page - Cypress Semiconductor

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PSoC® 3: CY8C38 Family
Data Sheet
Document Number: 001-11729 Rev. *R
Page 29 of 129
6.2 Power System
The power system consists of separate analog, digital, and I/O supply pins, labeled Vdda, Vddd, and Vddiox, respectively. It also
includes two internal 1.8-V regulators that provide the digital (Vccd) and analog (Vcca) supplies for the internal core logic. The output
pins of the regulators (Vccd and Vcca) and the Vddio pins must have capacitors connected as shown in Figure 6-4. The two Vccd
pins must be shorted together, with as short a trace as possible, and connected to a 1-µF ±10-percent X5R capacitor. The power
system also contains a sleep regulator, an I2C regulator, and a hibernate regulator.
Figure 6-4. PSoC Power System
Note The two Vccd pins must be connected together with as short a trace as possible. A trace under the device is recommended, as
shown in Figure 2-6 on page 10.
Vssd
Vddio0
Vssa
Vcca
Vdda
Digital
Regulators
Analog
Regulator
Analog
Domain
Digital
Domain
I2C
Regulator
Sleep
Regulator
Hibernate
Regulator
I/O Supply
I/O Supply
I/O Supply
I/O Supply
.
Vddio2
Vddio0
Vddio3
Vddio1
0.1 µF
0.1 µF
0.1 µF
0.1 µF
Vddd
Vddd
1 µF
1 µF
Vdda
0.1 µF
0.1 µF
0.1 µF
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