Skyworks Solutions Inc Si538X4X-44SKT-DK, ClockBuilder Pro Daughter Board for Field Programmer Dongle

The ClockBuilder Pro Field Programmer when used with ClockBuilder Pro software, makes it simple for systems designers to develop, program and debug any Si534x or Si538x clock device “in-system”, or in one of the convenient QFN sockets. The field programmer supports I²C or SPI interfaces to the host system.
The 44-pin (7x7mm) QFN, or the 64-pin (9x9mm) QFN socket board interfaces through SPI with the field programmer.

Field Programmer Dongle USB Cable
Female-to-Female Ribbon Cable
Female-to-Female Jumper Wires