CY8C52LP datasheet(39/114 Pages) CYPRESS

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PSoC® 5LP: CY8C52LP Family

Datasheet

Document Number: 001-84933 Rev. *L

Page 39 of 114

7. Digital Subsystem

The digital programmable system creates application specific

combinations of both standard and advanced digital peripherals

and custom logic functions. These peripherals and logic are then

interconnected to each other and to any pin on the device,

providing a high level of design flexibility and IP security.

The features of the digital programmable system are outlined

here to provide an overview of capabilities and architecture. You

do not need to interact directly with the programmable digital

system at the hardware and register level. PSoC Creator

provides a high level schematic capture graphical interface to

automatically place and route resources similar to PLDs.

The main components of the digital programmable system are:



Universal digital blocks (UDB) - These form the core

functionality of the digital programmable system. UDBs are a

collection of uncommitted logic (PLD) and structural logic

(Datapath) optimized to create all common embedded

peripherals and customized functionality that are application or

design specific.



Universal digital block array - UDB blocks are arrayed within a

matrix of programmable interconnect. The UDB array structure

is homogeneous and allows for flexible mapping of digital

functions onto the array. The array supports extensive and

flexible routing interconnects between UDBs and the digital

system interconnect.



Digital system interconnect (DSI) - Digital signals from UDBs,

fixed function peripherals, I/O pins, interrupts, DMA, and other

system core signals are attached to the DSI to implement full

featured device connectivity. The DSI allows any digital function

to any pin or other feature routability when used with the UDB

array.

Figure 7-1. CY8C52LP Digital Programmable Architecture

7.1 Example Peripherals

The flexibility of the CY8C52LP family’s UDBs and analog blocks

allow you to create a wide range of components (peripherals).

The most common peripherals were built and characterized by

Cypress and are shown in the PSoC Creator component catalog.

However, you may also create your own custom components

using PSoC Creator. Using PSoC Creator, you may also create

their own components for reuse within their organization, for

example sensor interfaces, proprietary algorithms, and display

interfaces.

The number of components available through PSoC Creator is

too numerous to list in the datasheet, and the list is always

growing. An example of a component available for use in

CY8C52LP family, but, not explicitly called out in this datasheet

is the UART component.

7.1.1 Example Digital Components

The following is a sample of the digital components available in

PSoC Creator for the CY8C52LP family. The exact amount of

hardware resources (UDBs, routing, RAM, flash) used by a

component varies with the features selected in PSoC Creator for

the component.



Communications



I2C



UART



SPI



Functions



EMIF



PWMs



Timers



Counters





Logic



NOT



XOR



AND

7.1.2 Example Analog Components

The following is a sample of the analog components available in

PSoC Creator for the CY8C52LP family. The exact amount of

hardware resources (SC/CT blocks, routing, RAM, flash) used

by a component varies with the features selected in PSoC

Creator for the component.



ADC



Successive Approximation (SAR ADC)



DACs



Current



Voltage



PWM



Comparators

Digital Core System

and Fixed Function Peripherals

DSI Routing Interface

Digital Core System

and Fixed Function Peripherals

UDB

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