CY7C63723 CYPRESS [Cypress Semiconductor], CY7C63723 Datasheet
CY7C63723
Manufacturer Part Number
CY7C63723
Description
Manufacturer
CYPRESS [Cypress Semiconductor]
Datasheet
1.CY7C63723.pdf
(3 pages)
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This document describes the errata for the enCoRe™ USB Combination Low-speed USB & PS/2 Periheral Control-
ler / CY7C637xx. Details include errata trigger conditions, available workarounds, and silicon revision applicability.
This document should be used to compare to the datasheet for this device to fully describe the device functionality.
Please contact your local Cypress Sales Representative if you have further questions.
Part Numbers Affected
enCoRe™ USB Combination Low-speed USB & PS/2 Peripheral Controller Qualification Status
Product status: In Production - Qual report: 001406
enCoRe™ USB Combination Low-speed USB & PS/2 Peripheral Controller Errata Summary
The following table defines the errata applicability to available enCoRe™ USB Combination Low-speed USB & PS/2
Peripheral Controller family devices. An "X" indicates that the errata pertains to the selected device.
Note: Errata titles are hyperlinked. Click on table entry to jump to description.
Cypress Semiconductor Corporation
1. Faulty GPIO Interrupt
1. Faulty GPIO Interrupt
March 30, 2004
Errata Document for CY7C637xx / enCoRe™ USB Combination Low-speed USB & PS/2
Peripheral Controller
• PROBLEM DEFINITION
When a falling edge interrupt is enabled for a GPIO pin, reading the GPIO Port 1 coincident to a rising edge
of that GPIO signal may generate a false GPIO interrupt.
Part Number
CY7C63722
CY7C63723
CY7C63743
Items
pin with Falling Edge GPIO
Any Port 0 or Port 1 GPIO
Interrupt Enabled
GPIO Interrupt Signal
Port 1 Read Signal
(See Note 2)
(See Note 1)
•
3901 North First Street
CY7C637xx
X
Interrupt Trigger
Proper GPIO
Device Characteristics
•
Rev Letter
All packages
All packages
All packages
San Jose
False GPIO interrupt
A
on a Rising edge
•
CA 95134
No silicon fix planned.
Errata Revision: **
Fix Status
CY7C637xx
•
408-943-2600
March 2004
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CY7C63723 Summary of contents
Page 1
... Please contact your local Cypress Sales Representative if you have further questions. Part Numbers Affected Part Number CY7C63722 CY7C63723 CY7C63743 enCoRe™ USB Combination Low-speed USB & PS/2 Peripheral Controller Qualification Status Product status: In Production - Qual report: 001406 enCoRe™ USB Combination Low-speed USB & PS/2 Peripheral Controller Errata Summary The following table defines the errata applicability to available enCoRe™ ...
Page 2
When a rising edge interrupt is enabled for a GPIO pin, reading the GPIO Port 1 coincident to a falling edge of that GPIO signal may generated a false GPIO intterupt Any Port 0 or Port 1 GPIO pin with ...
Page 3
Document History Page Document Title: CY7C637xx Rev. A Errata Document Number: 38-17015 Issue REV. ECN NO. Date 1.0 March 14, 2003 1.1 May 1, 2003 ** 215104 See ECN © Cypress Semiconductor Corporation, 2004. The information contained herein is subject ...