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CY8C28445 Datasheet(PDF) 3 Page - Cypress Semiconductor

Part # CY8C28445
Description  PSoC Programmable System-on-Chip
Download  63 Pages
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Manufacturer  CYPRESS [Cypress Semiconductor]
Direct Link  http://www.cypress.com
Logo CYPRESS - Cypress Semiconductor

CY8C28445 Datasheet(HTML) 3 Page - Cypress Semiconductor

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PRELIMINARY
CY8C28xxx
Document Number: 001-48111 Rev. *C
Page 3 of 63
The Analog System
The Analog System is composed of up to 16 configurable analog
blocks, each containing an opamp circuit that allows the creation
of complex analog signal flows. Some devices in this PSoC
family have an analog multiplex bus that can connect to every
GPIO pin. This bus can also connect to the analog system for
analysis with comparators and analog-to-digital converters. It
can be split into two sections for simultaneous dual-channel
processing.
Some of the more common PSoC analog functions (most
available as user modules) are:
Analog-to-digital converters (6 to 14-bit resolution, up to 4,
selectable as Incremental or Delta Sigma)
Dedicated 10-bit SAR ADC with sample rates up to 200 ksps
Synchronized, simultaneous Delta Sigma ADCs (up to 4)
Filters (2 to 8 pole band-pass, low-pass, and notch)
Amplifiers (up to 4, with selectable gain to 48x)
Instrumentation amplifiers (up to 2, with selectable gain to 93x)
Comparators (up to 6, with 16 selectable thresholds)
DACs (up to 4, with 6 to 9-bit resolution)
Multiplying DACs (up to 4, with 6 to 9-bit resolution)
High current output drivers (up to 4 with 30 mA drive)
1.3V reference (as a System Resource)
DTMF Dialer
Modulators
Correlators
Peak detectors
Many other topologies possible
Figure 2. Analog System Block Diagram for CY8C28x45 and
CY8C28x52 Devices
ACC00
ACC01
Block Array
Array Input Configuration
ACI1[1:0]
ACI2[1:0]
ACC02
ACC03
ASC12
ASD13
ASD22
ASC23
ASD20
ACI0[1:0]
ACI3[1:0]
P0[6]
P0[4]
P0[2]
P0[0]
P2[2]
P2[0]
P2[6]
P2[4]
P0[7]
P0[5]
P0[3]
P0[1]
P2[3]
P2[1]
Reference
Generators
AGNDIn
RefIn
Bandgap
RefHi
RefLo
AGND
ASD11
ASC21
ASC10
Interface to
Digital System
M8C Interface (Address Bus, Data Bus, Etc.)
Analog Reference
ACE00
ACE01
ASE10
ASE11
All GPIO
ACI4[1:0]
ACI5[1:0]
[+] Feedback


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