CY8C21634B, CY8C21534B, CY8C21434B
CY8C21334B, CY8C21234B
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. Table 1 lists the resources available for specific PSoC device groups. The PSoC device covered by this datasheet is
highlighted in Table 1.
Table 1. PSoC Device Characteristics
PSoC Part
Number
Digital
I/O
Digital
Rows
Digital
Blocks
Analog
Inputs
Analog
Analog
Analog
SRAM
Size
Flash
Size
SmartSense
Enabled
Outputs Columns Blocks
CY8C29x66
CY8C28xxx
up to 64
up to 44
4
16
up to 12
up to 44
4
4
12
2 K
1 K
32 K
16 K
–
–
up to 3
up to 12
up to 4
up to 6
up to
12 + 4
[1]
CY8C27x43
CY8C24x94
CY8C24x23A
CY8C23x33
CY8C22x45
CY8C21x45
CY8C21x34
CY8C21x34B
CY8C21x23
CY8C20x34
CY8C20xx6A
up to 44
up to 56
up to 24
up to 26
up to 38
up to 24
up to 28
up to 28
up to 16
up to 28
up to 36
2
1
1
1
2
1
1
1
1
0
0
8
4
4
4
8
4
4
4
4
0
0
up to 12
up to 48
up to 12
up to 12
up to 38
up to 24
up to 28
up to 28
4
2
2
2
0
0
0
0
0
0
0
4
2
2
2
4
4
2
2
2
0
0
12
6
256
1 K
256
256
1 K
512
512
512
256
512
16 K
16 K
4 K
–
–
–
–
–
–
–
Y
–
–
Y
6
4
8 K
[1]
6
16 K
8 K
[1]
6
[1]
4
8 K
[1]
4
8 K
[1]
up to
8
4
4 K
[1,2]
up to 28
up to 36
3
8 K
[1,2]
3
up to
2 K
up to
32 K
Getting Started
For in-depth information, along with detailed programming
CYPros Consultants
details, see the PSoC® Technical Reference Manual.
Certified PSoC consultants offer everything from technical
assistance to completed PSoC designs. To contact or become a
PSoC consultant go to the CYPros Consultants web site.
For up-to-date ordering, packaging, and electrical specification
information, see the latest PSoC device datasheets on the web.
Application Notes
Solutions Library
Cypress application notes are an excellent introduction to the
wide variety of possible PSoC designs.
Visit our growing library of solution focused designs. Here you
can find various application designs that include firmware and
hardware design files that enable you to complete your designs
quickly.
Development Kits
PSoC Development Kits are available online from and through a
growing number of regional and global distributors, which
include Arrow, Avnet, Digi-Key, Farnell, Future Electronics, and
Newark.
Technical Support
Technical support – including a searchable Knowledge Base
articles and technical forums – is also available online. If you
cannot find an answer to your question, call our Technical
Support hotline at 1-800-541-4736.
Training
Free PSoC technical training (on demand, webinars, and
workshops), which is available online via www.cypress.com,
covers a wide variety of topics and skill levels to assist you in
your designs.
Notes
1. Limited analog functionality.
®
2. Two analog blocks and one CapSense .
Document Number: 001-67345 Rev. *A
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