CY8C58LP datasheet(36/122 Pages) CYPRESS

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PRELIMINARY

PSoC® 5LP: CY8C58LP Family

Datasheet

Document Number: 001-84932 Rev. **

Page 36 of 122

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

Universal Digital Blocks (UDBs), fixed function peripherals, I/O

pins, interrupts, DMA, and other system core signals are

attached to the Digital System Interconnect to implement full

featured device connectivity. The DSI allows any digital function

to any pin or other feature routability when used with the

Universal Digital Block array.

Figure 7-1. CY8C58LP Digital Programmable Architecture

7.1 Example Peripherals

The flexibility of the CY8C58LP family’s UDBs and analog blocks

allow the user 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, users may also create their own

custom components using PSoC Creator. Using PSoC Creator,

users 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

CY8C58LP 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 CY8C58LP 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

❐ OR

❐ XOR

❐ AND

7.1.2 Example Analog Components

The following is a sample of the analog components available in

PSoC Creator for the CY8C58LP 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.

■ Amplifiers

❐ TIA

❐ PGA

❐ opamp

■ ADCs

❐ Delta-Sigma

❐ Successive Approximation (SAR)

■ DACs

❐ Current

❐ Voltage

❐ PWM

■ Comparators

■ Mixers

Digital Core System

and Fixed Function Peripherals

DSI Routing Interface

Digital Core System

and Fixed Function Peripherals

UDB

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