In optical transceiver modules—such as those in the LINK-PP SFP and QSFP family— Microcontroller Units (MCUs) act as the smart core, orchestrating essential monitoring, control, and diagnostics. By ensuring stable operation, MCUs uphold performance and longevity in. Could someone explain to me how to drive a SFP from a microcontroller? Either (a) a UART-over-fiber using SFP and microcontrollers on both ends, or (b) ethernet using SFP from a microcontroller and regular SFP ethernet device on the other end? P. If it matters, the microcontroller is a STM32F446;. This Texas Instruments Reference Design was designed to demonstrate the optical performance of the ONET1151L Laser Driver, the ONET8551T high gain Transimpedance Amplifier (TIA) and the ONET1151P Limiting Amplifier. It is available in a form factor that is compatible with 10. 3125Gbps SFP+ LR. Our customer wants to use SFP modules (1000 Base-SX standard) to send some data to a remote computer. As there is only very little data to be transferred (actually no real need for gigabit), a Cortex-M microcontroller would probably do the job. The design uses Micrel's MIC3003 controller, the 10G DFB/FP laser driver SY88022AL, and any of the following 10G limiting amplifiers: SY88053C/073L. A picture of the fully loaded board is shown on the next page. What Does. Analog Devices supports your MSA compatible optical transceiver designs with best in class products and best in class support.