In the 64-LQFP package, you can get the product at a low cost.UART is possible to transmUART on 4, QUART channels.In terms of packaging, Tray is used.In the present state, this electronic part is Obsolete.Surface Mount is a way to mount it.2.25V~3.6V supply voltage is required to operate it.A few characteristics of Internal Oscillator, Timer/Counter can be found in it.
XR16V564IV-F Features
XR16V564IV-F Applications
There are a lot of MaxLinear, Inc. XR16V564IV-F UARTs applications.