CY2XF32 Cypress Semiconductor, CY2XF32 Datasheet - Page 3

• Manufacturer Part Number: CY2XF32
• Description: High Performance CMOS Oscillator
• Manufacturer: Cypress Semiconductor

Programming Description
The CY2XF32 is a programmable device. Before being used in
an application, it must be programmed with the output
frequencies and other variables described in a later section. Two
different device types are available, each with its own
programming flow. They are described below.
Field Programmable CY2XF32F
Field programmable devices are shipped unprogrammed and
must be programmed before being installed on a printed circuit
board (PCB). Customers use CyberClocks™ Online Software to
specify the device configuration and generate a JEDEC
(extension .jed) programming file. Programming of samples and
prototype quantities is available using a Cypress programmer.
Third party vendors manufacture programmers for small to large
volume applications. Cypress’s value added distribution partners
also provide programming services. Field programmable
devices are designated with an “F” in the part number. They are
intended for quick prototyping and inventory reduction. The
CY2XF32 is one time programmable (OTP).
The software is located at
Factory Configured CY2XF32
For ready-to-use devices, the CY2XF32 is available with no field
programming required. All requests are submitted to the local
Cypress Field Application Engineer (FAE) or sales represen-
tative. After the request is processed, the user receives a new
part number, samples, and data sheet with the programmed
values. This part number is used for additional sample requests
and production orders.
Document Number: 001-53147 Rev. *D
www.cyberclocksonline.com.
Programming Variables
Output Frequencies
The CY2XF32 is programmed with up to four independent output
frequencies, which are then selected using the FS0 and FS1
pins. The device can synthesize frequencies to a resolution of
one part per million (ppm), but the actual accuracy of the output
frequency is limited by the accuracy of the integrated reference
crystal.
Pin 1: Output Enable or Power-down (OE/PD#)
Pin 1 is programmed as either Output Enable (OE) or
Power-down (PD#).
Supply Voltage
A programming option optimizes the CY2XF32 for either 2.5 V
or 3.3 V supply voltage. A device programmed for a particular
supply voltage is not guaranteed to meet specifications when
operated at the other voltage.
Industrial versus Commercial Device Performance
Industrial and commercial devices have different internal
crystals. This has a potentially significant impact on performance
levels for applications requiring the lowest possible phase noise.
CyberClocks Online Software displays expected performance
for both options.
Table 5. Device Programming Variables
Output Frequency 0 (Power on default)
Output Frequency 1
Output Frequency 2
Output Frequency 3
Pin 1 Functionality (OE or PD#)
Supply Voltage (2.5 V or 3.3 V)
Temperature Range (Commercial or Industrial)
Variable
CY2XF32
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