MicroClock
®
5x2503 Family
Development Kit
User Guide
Introduction
The MicroClock development kit is designed to support the 5x2503 family of MicroClock devices. It provides a convenient way of
verifying, configuring and programming the blank parts for all MicroClock devices. The IDT
Timing Commander™
GUI communicates to
the devices for configuration and frequency validation on the USB mother board via an on-board USB interface. Using additional socket
daughter boards, a validated configuration is used to program blank parts for any of the MicroClock devices.
Table 1. MicroClock Family Products
Product
5X2503
5L2503
Description
1.8V integrated with an internal 26M crystal.
1.8V using an external 26M crystal.
Package
12-DFN
12-DFN
For details of product operation, refer to the product datasheet.
Socket Daughter Board Overview
The MicroClock socket daughter board is ready with all of the necessary components and connections to test the functionality of the
configuration. A blank device is placed in the socket for programming (see
Figure 1).
Figure 1. Socket Daughter Board Overview (socket closed)
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MicroClock
®
5x2503 Family Development Kit User Guide
Table 2. Socket Daughter Board Descriptions
Label Number
1
2
3
4
5
6
7
8
9
10
Device ID
Label Name
Description
Define the evaluation board supports for 5X2503 or 5L2503.
These are test points for single-ended outputs; SE1, SE2, SE3 and
Reference with GND test points in between.
Crystal with 8pF load is populated for 5L2503. For 5X2503; the crystal is
not populated.
A switch jumper to control OE1 function. The default setting is set for OTP
burn
Two LED lights to indicate the OTP burn process.
Additional frequency test connector using SMA for OUT1.
12-pin DFN socket for placing MicroClock blank parts.
Indication for device orientation.
Used to configure the device in different modes (software mode as default
for I
2
C control; hardware mode as output pin control selection).
Probing Notes
26MHz Crystal
Jumper
LEDs
SMA connector for OUT1
Socket
Part Indication
DIP Switch
SMA Connector for PPS Mode on OUT1 SMA connector for PPS mode validation.
Figure 2. Development Kit Boards
(Evaluation socket daughter board combined with a USB mother board)
Socket Daughter Board
USB Mother Board
The socket daughter board for 5x2503, combined with a USB mother board, is used for the purpose of validation and measurement on all
outputs. After a configuration is validated on the USB mother board, the board can be connected along with the specific socket daughter
board for programming on blank parts of MicroClock family devices. Note that blank parts can only be burnt once through the socket
daughter board. The socket daughter board is bundled with a USB mother board. The following description and images are restricted to
the socket daughter board.
On the footprint of the socket daughter board, a pin orientation identifies the position of Pin 1 as shown in
Figure 3.
Align the dot of the
blank part in the socket as pointed. After placing the blank part, secure the socket cover.
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MicroClock
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5x2503 Family Development Kit User Guide
Figure 3. Socket Daughter Board (pin position)
Pin 1 Orientation
Programming Steps
Use programming steps 2 – 7 as described in the
Table 3
to program a configuration into the blank part in the specified socket daughter
board.
Table 3. Programming Steps
Step Number
0
1
2
Step Description
A configuration has been validated and
completed on the development kit.
All intended outputs should be available for
measurement on the USB development kit.
Plug the specified socket daughter board
onto the USB mother board (shown in
Figure 2).
Start Timing Commander software (this step
can be skipped if a configuration is ready in
the personality).
Comments
Configurations should have been validated on the USB mother board
and are ready to proceed for programming on blank parts.
Upon validation of the outputs, “Disconnect” the USB board and
proceed for OTP burn as explained in the following sections.
USB mother board with the socket daughter board provides a
communication channel between the GUI and a blank part in the
socket daughter board.
Launch the Timing Commander GUI software. Load the personality file.
3
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MicroClock
®
5x2503 Family Development Kit User Guide
Table 3. Programming Steps (Cont.)
Step Number
4
Step Description
New settings file (this step can be skipped if
a configuration is ready in the personality).
Comments
Using the Timing Commander GUI, start a new settings file or open a
pre-optimized file.
Click on the chip symbol on the top right corner of the GUI window.
5
Connect to the development kit.
Once connected, new options will be available on a green background
indicating that the USB mother board has successfully connected with
the socket daughter board.
6
—
The configuration will be programmed into the blank part in the socket.
7
Click the “write all” icon.
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MicroClock
®
5x2503 Family Development Kit User Guide
Use the following steps to proceed with the OTP burn.
8. After the chip is connected to the Timing Commander, the main window of configuration is shown (see
Figure 4).
Click the OTP icon
on the left side of personality window.
Figure 4. Personality Main Window
9. After clicking the icon, a new dialogue window will open up (see
Figure 5).
Click “Yes” to proceed with the OTP burn process. Please
note that this process cannot be reverted back.
Figure 5. Proceed to Burn Dialog Window
10. If the OTP burn process is successful, a dialog window with “Success” will appear indicating that the process is completed and the part
has been burnt based on the configuration.
Figure 6. Success Dialog Window
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