CY7C63310, CY7C638xx

27. DC Characteristics (continued)

Parameter

Description

 

 

 

Conditions

 

Min

Typical

Max

Unit

General

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VDI

Differential Input Sensitivity

 

 

 

 

 

0.2

 

 

V

VCM

Differential Input Common Mode

 

 

 

 

 

0.8

 

2.5

V

 

 

Range

 

 

 

 

 

 

 

 

 

 

VSE

Single Ended Receiver Threshold

 

 

 

 

 

0.8

 

2

V

CIN

Transceiver Capacitance

 

 

 

 

 

 

 

 

20

pF

IIO

Hi-Z State Data Line Leakage

0V < VIN < 3.3V

 

–10

 

10

μA

PS/2 Interface

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VOLP

Static Output Low

SDATA or SCLK pins

 

 

 

 

0.4

V

RPS2

Internal PS/2 Pull up Resistance

SDATA, SCLK pins, PS/2 Enabled

 

 

3

 

7

KΩ

General Purpose IO Interface

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RUP

Pull Up Resistance

 

 

 

 

 

 

4

 

12

KΩ

VICR

Input Threshold Voltage Low, CMOS

Low to High edge

 

40%

 

65%

VCC

 

 

mode[8]

 

 

 

 

 

 

 

 

 

 

VICF

Input Threshold Voltage Low, CMOS

High to Low edge

 

30%

 

55%

VCC

 

 

mode[8]

 

 

 

 

 

 

 

 

 

 

VHC

Input Hysteresis Voltage, CMOS

High to low edge

 

3%

 

10%

VCC

 

 

Mode[8]

 

 

 

 

 

 

 

 

 

 

VILTTL

Input Low Voltage, TTL Mode[9]

IO pin Supply = 4.0–5.5V

 

 

 

 

0.8

V

VIHTTL

Input High Voltage, TTL Mode[9]

IO pin Supply = 4.0–5.5V

 

2.0

 

 

V

V

OL1

Output Low Voltage, High Drive[7]

I

OL1

= 50 mA

 

 

 

 

0.8

V

 

 

 

 

 

 

 

 

 

 

V

OL2

Output Low Voltage, High Drive[7]

I

OL1

= 25 mA

 

 

 

 

0.4

V

 

 

 

 

 

 

 

 

 

 

V

OL3

Output Low Voltage, Low Drive[8]

I

OL2

= 8 mA

 

 

 

 

0.4

V

 

 

 

 

 

 

 

 

 

 

V

OH

Output High Voltage[8]

I

OH

= 2 mA

V

CC

– 0.5

 

 

V

 

 

 

 

 

 

 

 

 

 

C

Maximum Load Capacitance[9]

 

 

 

 

 

 

 

 

50

pF

 

LOAD

 

 

 

 

 

 

 

 

 

 

 

28. AC Characteristics

Parameter

Description

Conditions

Min

Typical

Max

Unit

Clock

 

 

 

 

 

 

TECLKDC

External Clock Duty Cycle

 

45

 

55

%

TECLK1

External Clock Frequency

External clock is the source of the

0.187

 

24

MHz

 

 

CPUCLK

 

 

 

 

TECLK2

External Clock Frequency

External clock is not the source of the

0

 

24

MHz

 

 

CPUCLK

 

 

 

 

FIMO1

Internal Main Oscillator Frequency

No USB present

22.8

 

25.2

MHz

FIMO2

Internal Main Oscillator Frequency

With USB present

23.64

 

24.3

MHz

FILO1

Internal Low Power Oscillator

Normal mode

29.44

 

37.12

kHz

FILO2

Internal Low Power Oscillator

Low power mode

35.84

 

47.36

kHz

3.3V Regulator

 

 

 

 

 

VORIP

Output Ripple Voltage

10 Hz to 100 MHz at CLOAD = 1 μF

 

 

200

mVp-p

Notes

7.Available only in CY7C638xx P1.3, P1.4, P1.5, P1.6, P1.7.

8.Except for pins P1.0 and P1.1 in the GPIO mode.

9.Except for pins P1.0 and P1.1.

Document 38-08035 Rev. *K

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Cypress CY7C638xx, CY7C63310 manual AC Characteristics, General Purpose IO Interface, Cpuclk
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CY7C638xx, CY7C63310 specifications

The Cypress CY7C63310 and CY7C638xx series are advanced USB microcontrollers designed for various applications requiring reliable performance and flexibility. These chips are notable for their integration of several key technologies, enabling developers to create innovative electronic designs effortlessly.

The CY7C63310 is a part of the Cypress USB microcontroller family that boasts a fully integrated 8051-compatible microprocessor core. This architecture allows for efficient execution of high-level programming languages like C, enhancing code development efforts. The microcontroller supports USB 2.0 full-speed operation, allowing for high data transfer rates of up to 12 Mbps, essential for applications involving data communication.

One of the standout features of the CY7C63310 is its programmable GPIO (General-Purpose Input/Output) pins, which provide developers with the versatility to configure these pins as inputs, outputs, or alternate functions. This flexibility is particularly advantageous in applications where custom interfaces are essential, such as human-machine interfaces, sensor control, and USB peripherals.

Moreover, the CY7C638xx series presents an even broader array of features. These devices typically support various memory configurations, enabling designers to select from different on-chip RAM and flash memory options. This variety empowers projects requiring a mix of program and data storage capabilities, all while ensuring that performance remains optimal.

Both the CY7C63310 and CY7C638xx series leverage Cypress's EZ-USB technology, which simplifies the process of USB interface implementation. The EZ-USB architecture minimizes the effort associated with USB protocol complexity, allowing developers to focus on the core functionality of their applications.

These microcontrollers also incorporate features such as low-power operation, making them ideal for battery-operated devices. With various power management modes, designers can optimize energy consumption according to the specific needs of their applications.

In terms of connectivity, these chips support multiple interface standards, including SPI, I2C, and UART. These capabilities ensure that developers can easily interface with other components and systems, enhancing the overall utility of the microcontroller.

In summary, the Cypress CY7C63310 and CY7C638xx microcontrollers stand out for their robust features, including integrated USB functionality, flexible GPIO options, and support for various communication protocols. These attributes make them suitable for a wide range of applications, from consumer electronics to industrial automation, making them an excellent choice for developers seeking reliable and adaptable microcontroller solutions.
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