Document History | Cypress CY8C21534, CY8C21334, CY8C21634, CY8C21234

CY8C21634, CY8C21534

CY8C21434, CY8C21334, CY8C21234

Document History Page

Document Title: CY8C21234/CY8C21334/CY8C21434/CY8C21534/CY8C21634 PSoC® Programmable System-on-Chip™

Document Number: 38-12025

Revision	ECN No.	Orig. of	Submission	Description of Change
Revision	ECN No.	Change	Date	Description of Change
		Change	Date

**	227340	HMT	See ECN	New silicon and document (Revision **).

*A	235992	SFV	See ECN	Updated Overview and Electrical Spec. chapters, along with revisions to the
				24-pin pinout part. Revised the register mapping tables. Added a SSOP
				28-pin part.
*B	248572	SFV	See ECN	Changed title to include all part #s. Changed 28-pin SSOP from CY8C21434
				to CY8C21534. Changed pin 9 on the 28-pin SSOP from SMP pin to Vss pin.
				Added SMP block to architecture diagram. Update Electrical Specifications.
				Added another 32-pin MLF part: CY8C21634.
*C	277832	HMT	See ECN	Verify data sheet standards from SFV memo. Add Analog Input Mux to appli-
				cable pin outs. Update PSoC Characteristics table. Update diagrams and
				specs. Final.
*D	285293	HMT	See ECN	Update 2.7V DC GPIO spec. Add Reflow Peak Temp. table.

*E	301739	HMT	See ECN	DC Chip-Level Specification changes. Update links to new CY.com Portal.

*F	329104	HMT	See ECN	Re-add pinout ISSP notation. Fix TMP register names. Clarify ADC feature.
				Update Electrical Specifications. Update Reflow Peak Temp. table. Add 32
				MLF E-PAD dimensions. Add ThetaJC to Thermal Impedance table. Fix
				20-pin package order number. Add CY logo. Update CY copyright.
*G	352736	HMT	See ECN	Add new color and logo. Add URL to preferred dimensions for mounting MLF
				packages. Update Transmitter and Receiver AC Digital Block Electrical
				Specifications.
*H	390152	HMT	See ECN	Clarify MLF thermal pad connection info. Replace 16-pin 300-MIL SOIC with
				correct 150-MIL.
*I	413404	HMT	See ECN	Update 32-pin QFN E-Pad dimensions and rev. *A. Update CY branding and
				QFN convention.
*J	430185	HMT	See ECN	Add new 32-pin 5x5 mm 0.60 thickness QFN package and diagram,
				CY8C21434-24LKXI. Update thermal resistance data. Add 56-pin SSOP
				on-chip debug non-production part, CY8C21001-24PVXI. Update typical and
				recommended Storage Temperature per industrial specs. Update copyright
				and trademarks.
*K	677717	HMT	See ECN	Add CapSense SNR requirement reference. Add new Dev. Tool section. Add
				CY8C20x34 to PSoC Device Characteristics table. Add Low Power
				Comparator (LPC) AC/DC electrical spec. tables. Update rev. of 32-Lead (5x5
				mm 0.60 MAX) QFN package diagram.
*L	2147847	UVS/PYRS	02/27/08	Added 32-Pin QFN Sawn pin diagram, package diagram, and ordering infor-
				mation.
*M	2273246	UVS/AESA	04/01/08	Added 32 pin thin sawn package diagram.

*N	2618124	OGNE/PYRS	12/09/08	Added Note in Ordering Information section.
				Changed title from PSoC Mixed-Signal Array to PSoC
				Programmable System-on-Chip
*O	2684145	SNV/AESA	04/06/2009	Updated 32-Pin Sawn QFN package dimension for CY8C21434-24LTXIT
				Updated Getting Started, Development Tools, and Designing with PSoC
				Designer Sections

Document Number: 38-12025 Rev. *O

Page 44 of 45

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CY8C21634, CY8C21534, CY8C21434, CY8C21334, CY8C21234 specifications

The Cypress CY8C21234, CY8C21334, CY8C21434, CY8C21534, and CY8C21634 are members of the PSoC® 1 family of microcontrollers, designed for embedded applications that demand flexibility, integration, and efficiency. These microcontrollers are well-suited for a variety of projects due to their unique characteristics and advanced technologies.

One of the primary features of the PSoC 1 series is the integration of analog and digital components on a single chip. This combination allows for the implementation of complex control algorithms without the need for multiple external components. Each device in this family is equipped with programmable analog blocks capable of interfacing with sensors, as well as digital blocks that facilitate communication with various peripherals.

The CY8C21234 series provides a 16-bit architecture, which enhances performance for processing and control tasks. The microcontrollers boast an operational range of up to 24 MHz, making them suitable for high-speed applications. With up to 16 KB of flash memory, these devices have ample memory for storing program code and user data.

Another key characteristic of the CY8C21234, CY8C21334, CY8C21434, CY8C21534, and CY8C21634 devices is their ease of use. They come with a comprehensive development environment known as PSoC Designer. This software provides a user-friendly interface to configure the device’s hardware resources graphically and allows for seamless integration of custom firmware.

In terms of communication capabilities, these microcontrollers support multiple protocols, including I²C, SPI, and UART, providing versatile interfacing options with other devices. This makes them ideal for applications such as sensor processing, motor control, and portable devices.

Power management is another significant highlight of the PSoC 1 family. The microcontrollers are designed with low-power operation in mind, featuring multiple sleep modes that contribute to extended battery life in portable applications.

Overall, the Cypress CY8C21234, CY8C21334, CY8C21434, CY8C21534, and CY8C21634 microcontrollers are a versatile solution for a wide range of embedded applications, combining programmable analog and digital components, ease of development, and efficient power management in a compact form factor. Their performance and flexibility make them a popular choice among engineers and developers exploring innovative designs.

Cypress CY8C21534, CY8C21334, CY8C21634, CY8C21234, CY8C21434 manual Document History

Models: CY8C21634 CY8C21534 CY8C21434 CY8C21334 CY8C21234

CY8C21634, CY8C21534

Document History Page

SFV

UVS/PYRS

OGNE/PYRS

SNV/AESA

CY8C21634, CY8C21534, CY8C21434, CY8C21334, CY8C21234 specifications