CY8C27643-24PVXI 查看數據表（PDF） - Cypress Semiconductor
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CY8C27643-24PVXI Datasheet PDF : 53 Pages
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CY8C27143, CY8C27243
CY8C27443, CY8C27543, CY8C27643
Additional System Resources
System Resources, some of which have been previously listed,
provide additional capability useful to complete systems.
Additional resources include a multiplier, decimator, switch mode
pump, low voltage detection, and power on reset. Statements
describing the merits of each system resource are below.
■ Digital clock dividers provide three customizable clock
frequencies for use in applications. The clocks can be routed
to both the digital and analog systems. Additional clocks can
be generated using digital PSoC blocks as clock dividers.
■ Multiply accumulate (MAC) provides fast 8-bit multiplier with
32-bit accumulate, to assist in general math and digital filters.
■ The decimator provides a custom hardware filter for digital
signal processing applications including the creation of Delta
Sigma ADCs.
■ The I2C module provides 100 and 400 kHz communication over
two wires. Slave, master, and multi-master modes are all
supported.
■ Low Voltage Detection (LVD) interrupts can signal the appli-
cation of falling voltage levels, while the advanced POR (Power
On Reset) circuit eliminates the need for a system supervisor.
■ An internal 1.3V reference provides an absolute reference for
the analog system, including ADCs and DACs.
■ An integrated switch mode pump (SMP) generates normal
operating voltages from a single 1.2V battery cell, providing a
low cost boost converter.
PSoC Device Characteristics
Depending on your PSoC device characteristics, the digital and
analog systems can have 16, 8, or 4 digital blocks and 12, 6, or
4 analog blocks. The following table lists the resources available
for specific PSoC device groups.The PSoC device covered by
this data sheet is highlighted below.
Table 1. PSoC Device Characteristics
PSoC Part
Number
CY8C29x66
up to
64
4
16 12
4
CY8C27x43
up to
44
2
8 12 4
CY8C24x94
49 1 4 48 2
CY8C24x23
up to
24
1
4 12 2
CY8C24x23A
up to
24
1
4 12 2
CY8C21x34
up to
28
1
4 28 0
CY8C21x23
16 1 4 8 0
CY8C20x34
up to
28
0
0 28 0
4 12 2K 32K
4
12
256
Bytes
16K
2 6 1K 16K
2
6
256
Bytes
4K
2
6
256
Bytes
4K
2
4[1]
512
Bytes
8K
2
4[2]
256
Bytes
4K
0
3[2]
512
Bytes
8K
Getting Started
The quickest way to understand PSoC silicon is to read this data
sheet and then use the PSoC Designer Integrated Development
Environment (IDE). This data sheet is an overview of the PSoC
integrated circuit and presents specific pin, register, and
electrical specifications.
For in depth information, along with detailed programming infor-
mation, see the PSoC® Programmable System-on-Chip™
Technical Reference Manual for CY8C28xxx PSoC devices.
For up to date ordering, packaging, and electrical specification
information, see the latest PSoC device data sheets on the web
at www.cypress.com/psoc.
Application Notes
Application notes are an excellent introduction to the wide variety
of possible PSoC designs. They are located here:
www.cypress.com/psoc. Select Application Notes under the
Documentation tab.
Development Kits
PSoC Development Kits are available online from Cypress at
www.cypress.com/shop and through a growing number of
regional and global distributors, which include Arrow, Avnet,
Digi-Key, Farnell, Future Electronics, and Newark.
Training
Free PSoC technical training (on demand, webinars, and
workshops) is available online at www.cypress.com/training. The
training covers a wide variety of topics and skill levels to assist
you in your designs.
CYPros Consultants
Certified PSoC Consultants offer everything from technical
assistance to completed PSoC designs. To contact or become a
PSoC Consultant go to www.cypress.com/cypros.
Solutions Library
Visit our growing library of solution focused designs at
www.cypress.com/solutions. Here you can find various
application designs that include firmware and hardware design
files that enable you to complete your designs quickly.
Technical Support
For assistance with technical issues, search KnowledgeBase
articles and forums at www.cypress.com/support. If you cannot
find an answer to your question, call technical support at
1-800-541-4736.
Notes
1. Limited analog functionality.
2. Two analog blocks and one CapSense.
Document Number: 38-12012 Rev. *M
Page 4 of 53
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