CY8CTST120, CY8CTMG120, CY8CTMA120

September 2008

Silicon Errata for CY8CTST120, CY8CTMG120, and CY8CTMA120

This document describes the errata for the TrueTouch™ devices CY8CTST120, CY8CTMA120, and CY8CTMG120. Details include errata trigger conditions, scope of impact, available workarounds, and silicon revision applicability. Compare this document to the device’s data sheet for a complete functional description.

Contact your local Cypress Sales Representative if you have questions.

Part Numbers Affected

Part Number

Ordering Information

 

 

CY8CTxx120

CY8CTST120-56LFXI

 

 

 

CY8CTST120-56LFXIT

 

 

 

CY8CTST120-00AXI

 

 

 

CY8CTMG120-56LFXI

 

 

 

CY8CTMG120-56LFXIT

 

 

 

CY8CTMG120-00AXI

 

 

 

CY8CTMA120-56LFXI

 

 

 

CY8CTMA120-56LFXIT

 

 

 

CY8CTMA120-00AXI

 

 

Errata Summary

 

The following table defines the errata applicability to available CY8CTxx120 family devices.

Items

Part Number

Silicon Revision

Fix Status

 

 

 

 

[1]. Internal Main Oscillator

CY8CTxx120

A

Silicon fix is planned.

(IMO) tolerance deviation at

 

 

 

temperature extremes

 

 

 

 

 

 

 

[2]. The DP line of the USB

CY8CTxx120

A

Use workaround.

interface may pulse low when

 

 

 

the PSoC device wakes from

 

 

 

sleep, causing an unexpected

 

 

 

wakeup of the host computer

 

 

 

[3]. Invalid Flash reads may

CY8CTxx120

A

Use workaround.

occur if Vdd is pulled to -0.5V

 

 

 

just before power on

 

 

 

 

 

 

 

[4]. PMA Index Register fails

CY8CTxx120

A

Use workaround.

to auto increment with

 

 

 

CPU_Clock set to SysClk/1

 

 

 

(24 MHz)

 

 

 

September 25, 2008

Document No. 001-49038 Rev. **

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Cypress manual Silicon Errata for CY8CTST120, CY8CTMG120, and CY8CTMA120, Part Numbers Affected, Errata Summary

CY8CTMG120, CY8CTST120, CY8CTMA120 specifications

Cypress Semiconductor, a renowned name in the semiconductor and microcontroller market, offers a range of advanced touchscreen controllers, including the CY8CTMA120, CY8CTST120, and CY8CTMG120. These devices are designed to cater to various applications, making touchscreen interfaces more responsive, reliable, and user-friendly.

The CY8CTMA120 is known for its advanced touch sensing capabilities, supporting multiple touch points with high accuracy. This device utilizes Cypress's CapSense technology, which is renowned for its noise immunity and smart filtering, enabling it to distinguish between genuine touches and environmental noise. This makes it suitable for applications requiring high sensitivity, such as consumer electronics and handheld devices.

The CY8CTST120, on the other hand, is targeted at applications that require robust touch performance in harsh environments. It features enhanced moisture and dirt tolerance, crucial for outdoor and industrial applications. The touch controller’s built-in self-test functionality ensures that the system is always operational, providing peace of mind for manufacturers and users alike.

The CY8CTMG120 stands out with its low power consumption, making it ideal for battery-operated devices. This controller combines excellent touch performance with energy efficiency, allowing manufacturers to create long-lasting devices without sacrificing responsiveness. Its flexibility in design also supports various screen sizes and shapes, enabling creative freedom for product designers.

All three controllers leverage Cypress’s SmartSense technology, which automatically adjusts sensitivity based on the environment, ensuring optimal performance. With integrated support for Gestures, the devices enable multi-touch capabilities that enhance user interaction and experience.

Each of these devices is compatible with Cypress’s PSoC Architecture, providing an extra layer of flexibility for developers. They allow for the integration of additional functionalities directly on the chip, reducing the need for external components and simplifying the design process.

Moreover, all models support a wide voltage range, ensuring versatility across various battery types and voltages. Their compact design and ease of integration make them suitable for a wide range of applications, from home automation to automotive interfaces. Overall, the CY8CTMA120, CY8CTST120, and CY8CTMG120 touchscreen controllers exemplify Cypress Semiconductor's commitment to innovation and excellence in touch technology, empowering manufacturers to create intuitive and engaging user interfaces.