CY8C21634, CY8C21534

CY8C21434, CY8C21334, CY8C21234

Table 14.

DC Chip-Level Specifications (continued)

 

 

 

 

 

 

 

 

 

 

 

 

Symbol

Description

Min

Typ

Max

Units

Notes

ISB27

Sleep (Mode) Current with POR, LVD, Sleep

–

2.6

4.

μA

Vdd = 2.55V, 0oC ≤ TA ≤ 40oC.

 

Timer, WDT, and internal slow oscillator active.

 

 

 

 

 

 

Mid temperature range.

 

 

 

 

 

ISB

Sleep (Mode) Current with POR, LVD, Sleep

–

2.8

5

μA

Vdd = 3.3V, -40oC ≤ TA ≤ 85oC.

 

Timer, WDT, and internal slow oscillator active.

 

 

 

 

 

VREF

Reference Voltage (Bandgap)

1.28

1.30

1.32

V

Trimmed for appropriate Vdd.

 

 

 

 

 

 

Vdd = 3.0V to 5.25V.

VREF27

Reference Voltage (Bandgap)

1.16

1.30

1.33

V

Trimmed for appropriate Vdd. Vdd =

 

 

 

 

 

 

2.4V to 3.0V.

AGND

Analog Ground

VREF

VREF

VREF

V

 

 

 

- 0.003

 

+ 0.003

 

 

DC General Purpose IO Specifications

The following tables list the guaranteed maximum and minimum specifications for the voltage and temperature ranges: 4.75V to 5.25V and -40°C ≤ TA ≤ 85°C, 3.0V to 3.6V and -40°C ≤ TA ≤ 85°C, or 2.4V to 3.0V and -40°C ≤ TA ≤ 85°C, respectively. Typical parameters apply to 5V, 3.3V, and 2.7V at 25°C and are for design guidance only.

Table 15. 5V and 3.3V DC GPIO Specifications

Symbol

Description

Min

Typ

Max

Units

Notes

RPU

Pull up Resistor

4

5.6

8

kΩ

 

RPD

Pull down Resistor

4

5.6

8

kΩ

 

VOH

High Output Level

Vdd -

–

–

V

IOH = 10 mA, Vdd = 4.75 to 5.25V (8

 

 

1.0

 

 

 

total loads, 4 on even port pins (for

 

 

 

 

 

 

example, P0[2], P1[4]), 4 on odd port

 

 

 

 

 

 

pins (for example, P0[3], P1[5])).

VOL

Low Output Level

–

–

0.75

V

IOL = 25 mA, Vdd = 4.75 to 5.25V (8

 

 

 

 

 

 

total loads, 4 on even port pins (for

 

 

 

 

 

 

example, P0[2], P1[4]), 4 on odd port

 

 

 

 

 

 

pins (for example, P0[3], P1[5])).

VIL

Input Low Level

–

–

0.8

V

Vdd = 3.0 to 5.25.

VIH

Input High Level

2.1

–

 

V

Vdd = 3.0 to 5.25.

VH

Input Hysteresis

–

60

–

mV

 

IIL

Input Leakage (Absolute Value)

–

1

–

nA

Gross tested to 1 μA.

CIN

Capacitive Load on Pins as Input

–

3.5

10

pF

Package and pin dependent.

 

 

 

 

 

 

Temp = 25oC.

COUT

Capacitive Load on Pins as Output

–

3.5

10

pF

Package and pin dependent.

 

 

 

 

 

 

Temp = 25oC.

Table 16. 2.7V DC GPIO Specifications

 

 

 

 

 

 

 

 

 

 

 

 

Symbol

Description

Min

Typ

Max

Units

Notes

RPU

Pull up Resistor

4

5.6

8

kΩ

 

RPD

Pull down Resistor

4

5.6

8

kΩ

 

VOH

High Output Level

Vdd -

–

–

V

IOH = 2.5 mA (6.25 Typ), Vdd = 2.4

 

 

0.4

 

 

 

to 3.0V (16 mA maximum, 50 mA Typ

 

 

 

 

 

 

combined IOH budget).

VOL

Low Output Level

–

–

0.75

V

IOL = 10 mA, Vdd = 2.4 to 3.0V (90

 

 

 

 

 

 

mA maximum combined IOL

 

 

 

 

 

 

budget).

VIL

Input Low Level

–

–

0.75

V

Vdd = 2.4 to 3.0.

Document Number: 38-12025 Rev. *O

 

 

 

 

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Cypress CY8C21334 DC Chip-Level Specifications Symbol Description Min Typ, Agnd, DC General Purpose IO Specifications
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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.
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