Datasheets for 456 pin functions can be found here. To transfer data, there is a bandwidth of 32b. If the temperature is higher than 85°C, the microprocessor should not operate. It is expected that the CPU will reach a top frequency of 806MHz.
88AP320-C0-BGR2E806-TN11 Features
32b-Bit Data Bus Width
88AP320-C0-BGR2E806-TN11 Applications
There are a lot of Marvell Semiconductor, Inc. 88AP320-C0-BGR2E806-TN11 Microprocessor applications.