It is implemented by the xCORE-200 series processors, which is marketed as the XL2 series (general purpose), XU2 series (USB), XE2 series (RGMII), and versions with embedded flash.
It is implemented by the xCORE-VOICE processors and xCORE-200 series processors. The latter are marketed as the XL2 series (general purpose), XU2 series (USB), XE2 series (RGMII), and versions with embedded flash.