CY8C21634, CY8C21534

CY8C21434, CY8C21334, CY8C21234

56-Pin Part Pinout

The 56-pin SSOP part is for the CY8C21001 On-Chip Debug (OCD) PSoC device.

Note This part is only used for in-circuit debugging. It is NOT available for production.

Figure 12. CY8C21001 56-Pin PSoC Device

Vss

 

 

1

 

56

 

 

Vdd

 

 

 

 

 

AI, P0[7]

 

 

2

 

55

 

 

P0[6], AI

 

 

 

 

 

AI, P0[5]

 

 

3

 

54

 

 

P0[4], AI

AI, P0[3]

 

 

4

 

53

 

 

P0[2], AI

AI, P0[1]

 

5

 

52

 

 

P0[0], AI

P2[7]

 

6

 

51

 

 

P2[6]

 

 

 

 

 

P2[5]

 

7

 

50

 

 

P2[4]

P2[3]

 

8

 

49

 

 

P2[2]

 

 

 

 

 

P2[1]

 

9

 

48

 

 

P2[0]

 

 

 

 

 

NC

 

10

 

47

 

 

NC

 

 

 

 

 

NC

 

11

 

46

 

 

NC

 

 

 

 

 

NC

 

12

 

45

 

 

P3[2]

 

 

 

 

 

NC

 

13

 

44

 

 

P3[0]

 

 

 

 

 

OCDE

 

14

SSOP

43

 

 

CCLK

 

 

 

 

OCDO

 

15

 

42

 

 

HCLK

 

 

 

 

 

SMP

 

16

 

41

 

 

XRES

 

 

 

 

 

Vss

 

17

 

40

 

 

NC

 

 

 

 

 

Vss

 

18

 

39

 

 

NC

P3[3]

 

19

 

38

 

 

NC

P3[1]

 

20

 

37

 

 

NC

 

 

 

 

 

NC

 

21

 

36

 

 

NC

 

 

 

 

 

NC

 

22

 

35

 

 

NC

 

 

 

 

 

I2C SCL, P1[7]

 

23

 

34

 

 

P1[6]

 

 

 

 

 

I2C SDA, P1[5]

 

24

 

33

 

 

P1[4], EXTCLK

 

 

 

 

 

NC

 

25

 

32

 

 

P1[2]

 

 

 

 

 

P1[3]

 

26

 

31

 

 

P1[0], I2C SDA, SDATA

 

 

 

 

 

SCLK, I2C SCL, P1[1]

 

27

 

30

 

 

NC

 

 

 

 

 

Vss

 

28

 

29

 

 

NC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Table 7. Pin Definitions - CY8C21001 56-Pin (SSOP)

Pin No.

 

Type

 

Pin Name

Description

Digital

 

 

Analog

 

 

 

 

 

1

Power

 

 

 

Vss

Ground connection.

2

IO

 

I

 

P0[7]

Analog column mux input.

3

IO

 

I

 

P0[5]

Analog column mux input and column output.

4

IO

 

I

 

P0[3]

Analog column mux input and column output.

5

IO

 

I

 

P0[1]

Analog column mux input.

6

IO

 

 

 

P2[7]

 

7

IO

 

 

 

P2[5]

 

8

IO

 

I

 

P2[3]

Direct switched capacitor block input.

9

IO

 

I

 

P2[1]

Direct switched capacitor block input.

10

 

 

 

 

NC

No connection.

11

 

 

 

 

NC

No connection.

12

 

 

 

 

NC

No connection.

13

 

 

 

 

NC

No connection.

14

OCD

 

 

 

OCDE

OCD even data IO.

15

OCD

 

 

 

OCDO

OCD odd data output.

16

Power

 

 

 

SMP

Switch Mode Pump (SMP) connection to required external components.

17

Power

 

 

 

Vss

Ground connection.

18

Power

 

 

 

Vss

Ground connection.

Document Number: 38-12025 Rev. *O

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Cypress CY8C21434, CY8C21334, CY8C21634, CY8C21234, CY8C21534 manual OCD Ocde, OCD even data IO, OCD Ocdo, OCD odd data output

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.