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CY8C24223A, CY8C24423A

Document Number: 001-52469 Rev. *H Page 4 of 50

Analog System

The analog system is composed of six configurable blocks, each

comprised of an opamp circuit allowing the creation of complex

analog signal flows. Analog peripherals are very flexible and can

be customized to support specific application requirements.

Some of the common PSoC analog functions for this device

(most available as user modules) are:

■ ADCs (up to two, with 6- to 14-bit resolution, selectable as

incremental, delta-sigma, or successive approximation register

(SAR))

■ Filters (two- and four-pole band pass, low pass, and notch)

■ Amplifiers (up to two, with selectable gain up to 48x)

■ Instrumentation amplifiers (one with selectable gain up to 93x)

■ Comparators (up to two, with 16 selectable thresholds)

■ DACs (up to two, with 6- to 9-bit resolution)

■ Multiplying DACs (up to two, with 6- to 9-bit resolution)

■ High current output drivers (two with 30-mA drive)

■ 1.3 V reference (as a system resource)

■ DTMF dialer

■ Modulators

■ Correlators

■ Peak detectors

■ Many other topologies possible

Analog blocks are arranged in a column of three, which includes

one continuous time (CT) and two switched capacitor (SC)

blocks, as shown in Figure 2.

Figure 2. Analog System Block Diagram

ACB01

Block Array

Array Input Configuration

ACI1[1:0]

ASD20

ACI0[1:0]

P0[4]

RefInAGNDIn

Reference

Generators

AGNDIn

ASD11

Interface to

Digital System

M8C Interface (Address Bus, Data Bus, Etc.)

Analog Reference

P0[6]

P0[2]

P0[0]

P2[6]

P2[4]

P2[2]

P2[0]

ASD11

ASC22

ACB00

ASC10

P0[7]

P0[5]

P0[3]

P0[1]

P2[3]

P2[1]

RefIn

BandGap

RefHi

RefLo

AGND

1 2 3 4 5 6 7 8 9 ... 50 51

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