JMB389 Overview
JMB389 JMB389 PCI Express to x1 bo Memory Card Host Controller (SDXC UHS-1 pliant) Overview JMB38X is product family that includes 1394a OHCI and Memory Card Reader Host Controller. They are all 1-lane PCI Express to 1/2-port 1394a and 1-slot bo Memory Card Reader (SD/MMC/MS/xD) Host Controller. The table below shows the brief.